マグプロスト List of Products and Services

We would like to introduce our company's "AC Line Filters/Inductor Choke Coils." We offer a variety of products including AC line filters such as UU, UF, EE, ET, and toroidal types, as well as inductor choke coils including DR, BC, SNDR (SNDRH), and toroidal types. In addition to the catalog listings, we have a wide range of specifications available, including case-mounted versions, so please feel free to contact us for more details. 【Product Lineup】 <Inductor Choke Coils> ■ DR Series ■ BC Series ■ Toroidal Coils ■ SNDR & SNDRH Series 1-6 *For more details, please refer to the PDF materials or feel free to contact us.

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• Inductor Coil

Here is an introduction to the "Transformers" that we handle. We offer a variety of transformers, including general-purpose transformers such as EI, EE, EC (EER), EP, RM, and PQ series, as well as surface mount transformers like EP, EFD & EPC series, and inverter transformers for cold cathode tube drives like UI, EFD & EPC series. In addition to those listed in the catalog, we have a wide range of products available. Please contact us for more details. 【Product Lineup】 <General-purpose Transformers> ■ EI Series ■ EE Series ■ EC (EER) Series ■ EP Series ■ RM Series ■ PQ Series *For more details, please refer to the PDF materials or feel free to contact us.

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The "metallic dust core" is a material suitable for use in the intermediate frequency range of approximately 50Hz to 100kHz. It features excellent DC bias characteristics, high magnetic resistance, and low losses due to eddy currents. Due to these characteristics, it is used in power line filters and high-frequency smoothing coils for switching power supplies. We offer a variety of cores, such as "Sendust core" and "Silicon dust core," allowing us to suggest core materials suitable for your application. 【Features】 ■ Suitable for use in the intermediate frequency range of approximately 50Hz to 100kHz ■ Excellent DC bias characteristics ■ High magnetic resistance and low losses due to eddy currents ■ Used in power line filters and high-frequency smoothing coils for switching power supplies *For more details, please refer to the PDF materials or feel free to contact us.

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"Nano-crystalline soft magnetic materials / Amorphous soft magnetic materials" are suitable for use in the low-frequency range of 50Hz to 1kHz and are ideal materials for miniaturization studies compared to conventional materials. "Fe-based amorphous" has a high saturation magnetic flux density, while "Co-based amorphous" is characterized by low energy loss. "Fe-based nano-crystalline materials" have performance that is positioned in between and can be used in a wide range of fields. There are two types: thin strip materials and pressed powder magnetic core materials, which can be selected according to the application. 【Features】 ■ Suitable for use in the low-frequency range of 50Hz to 1kHz ■ Ideal for miniaturization studies compared to conventional materials ■ Available in two types: thin strip materials and pressed powder magnetic core materials *For more details, please refer to the PDF document or feel free to contact us.

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• Other metal materials

We would like to introduce our "EMI Countermeasure Ferrite Core." Due to its non-conductive nature, insulation treatment is unnecessary. It offers excellent cost performance. Additionally, because of its characteristics suitable for high-frequency applications, it is used as an EMC countermeasure material for terminal noise suppression in the 10MHz to 30MHz range and for a wide range of high-frequency unwanted radiation countermeasures from 30MHz to 500MHz, across various fields. 【Features】 ■ No insulation treatment required due to non-conductive nature ■ Excellent cost performance ■ Characteristics suitable for high-frequency applications ■ Used in a wide range of fields as an EMC countermeasure material for terminal noise suppression and high-frequency unwanted radiation countermeasures *For more details, please refer to the PDF document or feel free to contact us.

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"Ni-Zn ferrite" is a material suitable for use in a wider range of high-frequency areas from 100 kHz to 200 MHz compared to "Mn-Zn ferrite." Additionally, it has a high saturation magnetic flux density, making it ideal for power applications such as high-voltage transformers and DC/DC converter transformers. 【Features】 ■ Suitable for use in high-frequency areas from 100 kHz to 200 MHz ■ Has a high saturation magnetic flux density ■ Ideal for power applications such as high-voltage transformers and DC/DC converter transformers *For more details, please refer to the PDF document or feel free to contact us.

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The "Mn-Zn ferrite core" is a material suitable for use in the high-frequency range of 100 kHz to 1 MHz. It has excellent low energy loss properties and maintains good magnetic flux density characteristics even in high-temperature environments of around 120°C. Compared to metal-based soft magnetic materials, it is inexpensive, has excellent workability, and can be produced in complex shapes. Due to its high electrical resistance, it is used in a wide range of applications such as general-purpose transformers and choke coils. 【Features】 ■ Material suitable for use in the high-frequency range of 100 kHz to 1 MHz ■ Excellent low energy loss properties ■ Good magnetic flux density characteristics up to high-temperature environments of around 120°C ■ Inexpensive compared to metal-based soft magnetic materials ■ Excellent workability allowing for production in complex shapes *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce our "Iron, Chromium, and Cobalt Magnets." In terms of anisotropy, they have a magnetic flux density comparable to "Neodymium Sintered Magnets." They also excel in thermal environments, making them suitable for use in servo motors, sensors, and measuring instruments. Additionally, due to their excellent strength and resistance to cracking, they can be easily processed for screw holes, which is why they are widely used for detecting the opening and closing of doors and sashes. 【Features】 ■ Comparable magnetic flux density to "Neodymium Sintered Magnets" in terms of anisotropy ■ Excellent thermal environment performance ■ Widely used in servo motors, sensors, and measuring instruments ■ Excellent strength and crack resistance allow for easy screw hole processing ■ Widely used for detecting the opening and closing of doors and sashes *For more details, please refer to the PDF document or feel free to contact us.

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This is an introduction to the "Alnico magnets" that our company handles. In cast and molded products, they are widely used in sensors that operate in harsh thermal environments and in tools subjected to significant external pressure due to their excellent strength. Due to their low coercivity and susceptibility to demagnetization, they are not very suitable for flat shapes. When there is an external magnetic field in an open circuit state, they will be demagnetized due to its influence, so in such cases, we recommend using them in a closed circuit. 【Features】 ■ Stable in thermal environments ■ Excellent strength in cast and molded products ■ Widely used in sensors operating in harsh thermal environments and in tools subjected to significant external pressure *For more details, please refer to the PDF document or feel free to contact us.

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Here is an introduction to the "SmCo Sintered Magnet" that our company handles. It has excellent thermal environmental characteristics, does not rust at all, and has a stable temperature coefficient, making it widely used in automotive components and sensors. 【Features】 ■ Has high magnetic strength ■ Excellent thermal environmental characteristics ■ Does not rust at all ■ Stable temperature coefficient ■ Widely used in automotive components and sensors *For more details, please refer to the PDF document or feel free to contact us.

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Here is an introduction to the "Neodymium Sintered Magnet" that we handle. It can be used in hybrid vehicle engines and is capable of withstanding high temperatures. It contributes to the miniaturization and lightweighting of products by utilizing its strong magnetic force, and is also used in motors and pickup devices. 【Features】 ■ Possesses extremely excellent magnetic force and can withstand high temperatures ■ Flexible response from small lots to mass production ■ Can be manufactured to desired dimensions, and stock items can be provided with short delivery times * We are currently offering product catalogs and problem-solving materials related to magnets. Please feel free to contact us.

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We would like to introduce our "Neodymium Compression Molding Magnet." Since it is produced through a resin curing process and does not undergo sintering treatment, there is no concern about sintering distortion, allowing for a smaller clearance design during assembly. Due to its relatively good magnetic properties, it is widely used in applications such as stepping motors. 【Features】 ■ High magnetic strength ■ Ability to design smaller clearances during assembly ■ Relatively good magnetic properties ■ Widely used in stepping motors and other applications *For more details, please refer to the PDF document or feel free to contact us.

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Here is an introduction to the "Injection Molding Magnets" that our company handles. Since they are injection molded, complex shapes can be produced. Additionally, multiple magnetic materials can be selected, allowing for a wide range of magnetic properties. Due to their resistance to cracking and the ability to create small and insert molded components, they are widely used in precision applications such as precision parts and high-sensitivity sensors. 【Features】 ■ Capable of producing complex shapes ■ Multiple magnetic materials available: Ferrite, NdFeB, SmFeN ■ Wide range of magnetic properties supported ■ Resistant to cracking, capable of small and insert molding ■ Widely used in precision applications such as high-sensitivity sensors *For more details, please refer to the PDF document or feel free to contact us.

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Here is an introduction to the "rubber magnet" that our company handles. It is an inexpensive magnet that can be easily bent into a ring shape or cut with scissors, making it highly versatile. While its magnetic strength is not particularly strong, its workability allows it to be widely used in motors and design-related cut-out products. 【Features】 ■ Inexpensive magnet ■ Excellent workability, easily cut and processed ■ Widely used in motors and design-related cut-out products *For more details, please refer to the PDF document or feel free to contact us.

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Here is an introduction to the "ferrite sintered magnets" that our company handles. They have relatively good temperature characteristics and are excellent in rust resistance, oil resistance, and chemical resistance, making them suitable for a variety of applications. They are widely used in everyday goods, sensors, and automotive motors. 【Features】 - Inexpensive magnets - Relatively good temperature characteristics - Excellent rust resistance, oil resistance, and chemical resistance - Widely used in everyday goods, sensors, and automotive motors *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce a case where Magprosto Co., Ltd. solved the issue of "Introduction of Chinese-made magnets" by leveraging our experience in manufacturing isotropic ferrite magnets. 【Customer's Challenge】 - The Japanese manufacturer from whom we had been purchasing magnets for over 10 years ceased production, necessitating the urgent need to secure a new supplier. - We had never purchased Chinese-made magnets before, and there were concerns about small-scale production and quality. 【Solution】 - We selected manufacturers capable of handling small quantities for our customer. - Our staff regularly dispatched to provide thorough guidance from technical support to quality control. - We conducted incoming inspections at our Niigata facility to preemptively address any defective products. - Our production and inspection system was evaluated positively, leading to our adoption from prototype to mass production. For more details, please refer to our catalog or feel free to contact us.

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We would like to introduce a case where Magprosto Co., Ltd. solved the issue related to magnets, specifically "unknown magnet material," by leveraging our experience in manufacturing isotropic ferrite magnets. Even if the material is unknown, it is possible to send the current product to the manufacturer for material identification. Please feel free to consult us. 【Customer's Challenge】 - The end user requested the production of a comparable product. - However, the magnet material was unknown, and they were unsure where to seek advice. 【Solution】 - The current product was sent to a manufacturer in China for material identification, followed by a quotation response. - A manufacturer capable of producing with the existing molds was selected. - Our staff was regularly dispatched to provide thorough guidance from technical support to quality control. - Incoming inspections were conducted at our Niigata office to prevent the delivery of defective products. - Our production and inspection system was evaluated, leading to the adoption from prototype to mass production. For more details, please refer to our catalog or feel free to contact us.

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The booklet "Basic Knowledge of Magnet Production" includes suitable applications for neodymium sintered magnets, SmCo magnets, ferrite sintered magnets, and more. Magprost Co., Ltd. responds to all magnet needs, from prototypes and small lot production orders to mass production, and from product specification planning to commercialization. 【Examples of Magnet Types】 ■ Neodymium Sintered Magnets ■ SmCo Magnets ■ Rubber Magnets ■ Neodymium Compression Molding Magnets ■ Injection Molding Magnets ■ Iron, Chromium, Cobalt Magnets *For details, please request materials or view the PDF data from the download.

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"Alnico cast magnets" are magnets that are stable in thermal environments. In cast products, they excel in strength and do not crack, making them widely used in sensors in harsh thermal environments and tools subjected to high external pressure. Due to their low coercivity and susceptibility to demagnetization, they are not very suitable for flat shapes. When there is an external magnetic field in an open circuit state, they are affected and demagnetized, so it is recommended to use them in a closed circuit in such cases. 【Features】 ○ Stable thermal environment characteristics ○ High strength For more details, please contact us or download the catalog.

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"Iron, chromium, and cobalt magnets" are magnets that have a magnetic flux density comparable to that of neodymium sintered magnets in an anisotropic state. Due to their excellent thermal environment properties, they are widely used in servo motors, sensors, and measuring instruments. They are also used extensively for door and sash opening and closing detection because they are strong and do not crack, allowing for easy screw hole processing. Since they have low coercivity, it is recommended to use them in a closed circuit, especially in environments where reverse magnetic fields occur, such as in motors. 【Features】 ○ High magnetic flux density ○ Excellent thermal environment characteristics ○ High strength For more details, please contact us or download the catalog.

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"SmCo sintered magnets" are magnets that have a magnetic strength second only to neodymium sintered magnets. They excel in thermal environmental characteristics, do not rust at all, and have a stable temperature coefficient, making them widely used in automotive components and sensors. They are somewhat brittle, so caution is needed in environments where external pressure is applied. 【Features】 ○ High magnetic strength ○ Excellent thermal environmental characteristics ○ Rust resistance For more details, please contact us or download the catalog.

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"Neodymium sintered magnets" are magnets with high magnetic strength. Originally, these magnets had issues with heat resistance, but improvements have been made, as evidenced by their use in HV vehicle engines. Leveraging their high magnetic strength, they also contribute to the miniaturization and lightweighting of existing products. They are used in a wide range of applications, including automotive components, motors, and pickup devices. Although they are treated for rust prevention, they are prone to rust. Their heat resistance is also somewhat inferior, so caution is needed in such usage environments. 【Features】 ○ High magnetic strength magnets ○ Improved magnets For more details, please contact us or download the catalog.

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Magnet "Ferrite Sintered Magnet" is completely rust-free and has excellent oil and chemical resistance, making it suitable for a variety of applications. It is widely used in everyday goods, sensors, and automotive motors. Since it is a brittle magnet, care must be taken with its shape. 【Features】 ○ Stable temperature characteristics ○ Rust resistance ○ Chemical resistance ○ Low cost For more details, please contact us or download the catalog.

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Magnet "Ferrite Sintered Magnet" is completely rust-free and excels in oil resistance and chemical resistance, making it suitable for a variety of applications. It is widely used in everyday goods, sensors, and automotive motors. Since it is a brittle magnet, care must be taken with its shape. 【Features】 ○ Stable temperature characteristics ○ Rust resistance ○ Chemical resistance ○ Low cost For more details, please contact us or download the catalog.

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"SmCo sintered magnets" are magnets that have a magnetic strength second only to neodymium sintered magnets. They excel in thermal environmental characteristics, do not rust at all, and have a stable temperature coefficient, making them widely used in automotive components and sensors. However, they are somewhat brittle, so caution is needed in environments where external pressure is applied. 【Features】 ○ High magnetic strength ○ Excellent thermal environmental characteristics ○ Rust resistance For more details, please contact us or download the catalog.

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"Neodymium sintered magnets" are magnets with high magnetic strength. Originally, these magnets had issues with heat resistance, but improvements have been made, as evidenced by their use in HV vehicle engines. Utilizing their high magnetic strength, they also contribute to the miniaturization and lightweighting of existing products. They are used in a wide range of fields, including automotive components, motors, and pickup devices. Although they are treated for rust prevention, they are prone to rust. Their heat resistance is also somewhat inferior, so caution is needed in such usage environments. [Features] ○ High magnetic strength magnets ○ Improved magnets For more details, please contact us or download the catalog.

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"Alnico cast magnets" are magnets that are stable in thermal environments. In cast products, they excel in strength and do not crack, making them widely used in sensors in harsh thermal environments and tools subjected to high external pressure. Due to their low coercivity and susceptibility to demagnetization, they are not very suitable for flat shapes. When there is an external magnetic field in an open circuit state, they are affected and demagnetized, so it is recommended to use them in a closed circuit in such cases. 【Features】 ○ Stable thermal environment characteristics ○ High strength For more details, please contact us or download the catalog.

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"SmCo sintered magnets" are magnets that have the second highest magnetic strength after neodymium sintered magnets. They excel in thermal environmental characteristics, do not rust at all, and have a stable temperature coefficient, making them widely used in automotive components and sensors. However, they are somewhat brittle, so caution is needed in environments where external pressure is applied. 【Features】 ○ High magnetic strength ○ Excellent thermal environmental characteristics ○ Rust resistance For more details, please contact us or download the catalog.

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"Neodymium sintered magnets" are magnets with high magnetic strength. Originally, these magnets had challenges with heat resistance, but improvements have been made, as evidenced by their use in HV vehicle engines. Utilizing their high magnetic strength, they also play a role in reducing the size and weight of existing products. They are used in a wide range of fields, including automotive components, motors, and pickup devices. Although they undergo anti-rust treatment, they are prone to rust. Their heat resistance is also somewhat inferior, so caution is needed in such usage environments. 【Features】 ○ High magnetic strength magnets ○ Improved magnets For more details, please contact us or download the catalog.

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"Neodymium compression molded magnets" are magnets with high magnetic strength among isotropic magnets. They are produced through a resin curing process and do not undergo sintering treatment, which eliminates concerns about sintering distortion, allowing for smaller clearance designs during assembly. Due to their relatively good magnetic properties, they are widely used in applications such as stepping motors. Although they are treated for rust prevention, they are prone to rust. Their heat resistance is also somewhat inferior, so caution is needed in such usage environments. 【Features】 ○ High magnetic strength among isotropic magnets ○ Minimal distortion allows for precise design ○ Excellent magnetic properties For more details, please contact us or download the catalog.

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Magnet "Ferrite Sintered Magnet" is completely rust-free and excels in oil resistance and chemical resistance, making it suitable for a variety of applications. It is widely used in everyday goods, sensors, and automotive motors. Since it is a brittle magnet, care must be taken with its shape. 【Features】 ○ Stable temperature characteristics ○ Rust resistance ○ Chemical resistance ○ Low cost For more details, please contact us or download the catalog.

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"SmCo sintered magnets" are magnets that have a magnetic strength second only to neodymium sintered magnets. They excel in thermal environmental characteristics, do not rust at all, and have a stable temperature coefficient, making them widely used in automotive components and sensors. They are somewhat brittle, so caution is needed in environments where external pressure is applied. 【Features】 ○ High magnetic strength ○ Excellent thermal environmental characteristics ○ Rust resistance For more details, please contact us or download the catalog.

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Magnet "Ferrite Sintered Magnet" is completely rust-free and has excellent oil resistance and chemical resistance, making it suitable for a variety of applications. It is widely used in everyday goods, sensors, and automotive motors. Since it is a brittle magnet, care must be taken with its shape. 【Features】 ○ Stable temperature characteristics ○ Rust resistance ○ Chemical resistance ○ Low cost For more details, please contact us or download the catalog.

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"Neodymium sintered magnets" are magnets with high magnetic strength. Originally, these magnets had issues with heat resistance, but improvements have been made, as evidenced by their use in HV vehicle engines. Utilizing their high magnetic strength, they also contribute to the miniaturization and lightweighting of existing products. They are used in a wide range of applications, including automotive components, motors, and pickup devices. Although they are treated for rust prevention, they are prone to rust. Their heat resistance is also somewhat inferior, so caution is needed in such usage environments. 【Features】 ○ High magnetic strength magnets ○ Improved magnets For more details, please contact us or download the catalog.

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"Rubber magnets" are highly processable, allowing for easy bending into a ring shape or cutting with scissors. While their magnetic strength is not particularly strong, they are widely used in applications such as motors and design-oriented cut-out products due to their excellent processability. They are less resistant to oil and chemicals, so caution is needed regarding the usage environment. 【Features】 ○ Excellent processability ○ Inexpensive For more details, please contact us or download the catalog.

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"Alnico cast magnets" are magnets that are stable in thermal environments. In cast products, they excel in strength and do not crack, making them widely used in sensors in harsh thermal environments and tools subjected to significant external pressure. Due to their low coercivity and susceptibility to demagnetization, they are not very suitable for flat shapes. When there is an external magnetic field in an open circuit state, they can be demagnetized by its influence, so it is recommended to use them in a closed circuit in such cases. 【Features】 ○ Stable thermal environment characteristics ○ High strength For more details, please contact us or download the catalog.

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"SmCo sintered magnets" are magnets that possess high magnetic strength, second only to neodymium sintered magnets. They excel in thermal environmental characteristics, do not rust at all, and have stable temperature coefficients, making them widely used in automotive components and sensors. However, they are somewhat brittle, so caution is needed in environments where external pressure is applied. 【Features】 ○ High magnetic strength ○ Excellent thermal environmental characteristics ○ Rust resistance For more details, please contact us or download the catalog.

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Magnet "Ferrite Sintered Magnet" is completely rust-free and excels in oil resistance and chemical resistance, making it suitable for a variety of applications. It is widely used in everyday goods, sensors, and automotive motors. Since it is a brittle magnet, care must be taken with its shape. 【Features】 ○ Stable temperature characteristics ○ Rust resistance ○ Chemical resistance ○ Low cost For more details, please contact us or download the catalog.

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"Neodymium sintered magnets" are magnets with high magnetic strength. Originally, these magnets had issues with heat resistance, but improvements have been made, as evidenced by their use in HV vehicle engines. Utilizing their high magnetic strength, they also contribute to the miniaturization and lightweighting of existing products. They are used in a wide range of fields, including automotive components, motors, and pickup devices. Although they are treated for rust prevention, they are prone to rust. Their heat resistance is also somewhat inferior, so caution is needed in such usage environments. 【Features】 ○ High magnetic strength magnets ○ Improved magnets For more details, please contact us or download the catalog.

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Magnet "Ferrite Sintered Magnet" is completely rust-free and has excellent oil and chemical resistance, making it suitable for a variety of applications. It is widely used in everyday goods, sensors, and automotive motors. Since it is a brittle magnet, care must be taken with its shape. 【Features】 ○ Stable temperature characteristics ○ Rust resistance ○ Chemical resistance ○ Low cost For more details, please contact us or download the catalog.

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"Neodymium compression molded magnets" are magnets with high magnetic strength among isotropic magnets. They are produced through resin curing and do not undergo sintering treatment, which eliminates concerns about sintering distortion, allowing for smaller clearance designs during assembly. Due to their relatively good magnetization properties, they are widely used in applications such as stepping motors. Although they are treated for rust prevention, they are magnets that are prone to rust. Their heat resistance is also somewhat inferior, so caution is needed in such usage environments. 【Features】 ○ High magnetic strength among isotropic magnets ○ Minimal distortion allows for precise design ○ Excellent magnetization properties For more details, please contact us or download the catalog.

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"Neodymium sintered magnets" are magnets with high magnetic strength. Originally, these magnets had issues with heat resistance, but improvements have been made, as evidenced by their use in HV vehicle engines. Utilizing their high magnetic strength, they also contribute to the miniaturization and weight reduction of existing products. They are used in a wide range of fields, including automotive components, motors, and pickup devices. Although they are treated for rust prevention, they are prone to rust. Their heat resistance is also somewhat inferior, so caution is needed in such usage environments. [Features] ○ High magnetic strength magnets ○ Improved magnets For more details, please contact us or download the catalog.

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"SmCo sintered magnets" are magnets that have a magnetic strength second only to neodymium sintered magnets. They excel in thermal environmental characteristics, do not rust at all, and have stable temperature coefficients, making them widely used in automotive components and sensors. Due to their somewhat brittle nature, caution is required in environments where external pressure is applied. 【Features】 ○ High magnetic strength ○ Excellent thermal environmental characteristics ○ Rust resistance For more details, please contact us or download the catalog.

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Magnet "Ferrite Sintered Magnet" is completely rust-free and excels in oil resistance and chemical resistance, making it suitable for a variety of applications. It is widely used in everyday goods, sensors, and automotive motors. Since it is a brittle magnet, care must be taken with its shape. 【Features】 ○ Stable temperature characteristics ○ Rust resistance ○ Chemical resistance ○ Low cost For more details, please contact us or download the catalog.

• magnet

"Neodymium sintered magnets" are magnets with high magnetic strength. Originally, these magnets had challenges with heat resistance, but improvements have been made, as evidenced by their adoption in HV vehicle engines. Utilizing their high magnetic strength, they also contribute to the miniaturization and lightweighting of existing products. They are used in a wide range of fields, including automotive components, motors, and pickup devices. Although they are treated for rust prevention, they are prone to rust. Their heat resistance is also somewhat inferior, so caution is needed in such usage environments. 【Features】 ○ High magnetic strength magnets ○ Improved magnets For more details, please contact us or download the catalog.

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