セイワ List of Products and Services

The BOURNS "SRN Series" is a semi-shielded power inductor designed based on half-magnetic shielding technology, featuring a compact and thin profile that accommodates a wide range of inductance values. It combines the characteristics of both open-type and shielded-type inductors, making it suitable for switching power supplies in mobile devices, computers, data storage devices, and various home appliances. Additionally, it is also suitable for industrial applications such as LED lighting, control circuits, and GPS. 【Features】 - Compact and thin design, accommodating a wide range of inductance values - Combines the features of both open-type and shielded-type inductors - Compared to open-type inductors, it has noise countermeasures and is smaller with cost advantages than shielded-type inductors of the same size 【Product Lineup (Partial)】 - SRN1060 - SRN2510 - SRN3015 - SRN4026 - SRN6028 *For more details, please refer to the PDF document or feel free to contact us.

The NJ component "MIPSCZ1005_T series" (1.0 x 0.5mm, height 0.75mm max) is a power inductor that achieves miniaturization along with low loss and high DC superimposition characteristics. It contributes to reducing power consumption with high conversion efficiency in high-frequency driven power circuits, and further supports high-density mounting and thinner modules in compact mobile devices and power modules compared to conventional products. To meet our customers' diverse demands, we will continue to harness the potential of ferrite materials and expand the variety of our product lineup. 【Features】 ■ Achieves low loss and excellent DC superimposition characteristics despite being 1005 size ■ Realizes a 40% reduction in mounting area and lower loss compared to the conventional product "MIPSZ1608D" ■ More than 2/3 noise reduction through optimal design ■ Suitable for high-frequency driven power supplies ■ Completely lead-free product, compatible with lead-free solder *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce the "Laminated Power Inductor" from NJ Components that we handle. Starting with the "MIP_D series," which offers a wide variety for power circuits, we also have the "MCP series," suitable for high-frequency and high-current power supplies, and the "MIP_G series," which excels in performance even in a low-profile design. With our unique "material technology," "process technology," and "design technology," we propose power inductors that are ideal for power circuits. 【Features】 - Pursuing and achieving further miniaturization (below 1005 size) and low-profile design (below 0.3mm) - By utilizing our unique high-frequency materials and low-loss materials, as well as CAE design technology, we have realized low-loss laminated power inductors even in high-frequency domains - Contributing to stable circuit operation by achieving low leakage noise - Safe to use even with high input voltage or surge voltage during switching - Providing MCP technology that realizes high current capability while maintaining the strengths of ferrite (NiZn) laminated products *For more details, please refer to the PDF document or feel free to contact us.

The "NexGen GDT25 Series" is an SMD type 2-electrode GDT surge protection device that employs cutting-edge GDT technology, delivering industry-leading performance. Models with nominal DC discharge voltages of 75V, 90V, 350V, and 600V are available. Custom voltage products can also be manufactured within these voltage ranges. Additionally, due to its low capacitance, it is suitable for use in high-speed signal lines and high-frequency applications. For quotes and sample requests, please contact our authorized distributor, Seiwa. 【Features】 ■ Low impulse discharge voltage ■ Low DC discharge voltage ■ Low capacitance ■ Surge performance compatible with various surge waveforms ■ Wide operating temperature range *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce LEOCO, handled by Seiwa Co., Ltd. The company is among the top 100 major connector harness manufacturers and specializes in connector manufacturing, cable, and wire harness processing. They offer a lineup of various USB connectors (including Type-C), HDMI, FPC/PCB board connectors, and also design, develop, and manufacture I/O and waterproof cables in-house. They have many alternative connectors for discontinued products from competitors, providing advantages in terms of quality and cost. 【Business Overview】 ■ Connector manufacturing and cable/wire harness processing *For more details, please refer to the PDF materials or feel free to contact us.

We are introducing alternative products available at LEOCO Corporation. Please use this to help resolve delivery issues. We have the following equivalent products. For details, please download the materials. ■JST■ SHR Series / ZH Series / PH Series / BH Series PHD Series / XH Series / EH Series / VH Series SAN Series / SCN Series / SM Series / EL Series ■Hirose■ DF13 Series / DF14 Series / DF11 Series ■JAE■ IL-Z Series / IL-S Series / IL-G Series The standard delivery time is currently less than 3 months, so stable supply is possible. If you have any other connectors you are having trouble with, please let us know.

We are introducing alternative products from LEOCO for the PHR series. Please use this to help resolve delivery issues. PHR series ⇒ LEOCO 2010S series PHR-2 ==> 2010S02000 SPH-002T contact ===> 2033T * Covers both SPH-002T-P0.5S and SPH-002T-P0.5L We also have the following equivalent products, so please contact us. ■JST■ SHR series / ZH series / PH series / BH series PHD series / XH series / EH series / VH series SAN series / SCN series / SM series / EL series ■Hirose■ DF13 series / DF14 series / DF11 series ■JAE■ IL-Z series / IL-S series / IL-G series The standard delivery time is currently about 2 months, so stable supply is possible. If you have any other connectors you are having trouble with, please let us know.

We would like to introduce products from BOURNS, a company with production bases around the world and relatively stable delivery times. Since its establishment in 1947, BOURNS has continued to develop a wide variety of electronic components in response to market needs, providing products for a broad range of markets including telecommunications, computers, industrial equipment, automotive, home appliances, medical devices, and audio. You can view a carefully selected Japanese version catalog of popular BOURNS products by downloading the PDF. We also offer a printed version for those who are interested! Please feel free to contact us. 【Featured Products (Excerpt)】 ■ Self-resetting overcurrent protection devices ■ Single fuses ■ Mini circuit breakers ■ High-voltage current switches ■ Gas discharge tubes ■ Hybrid overvoltage protection components ■ TVS diodes ■ Potentiometers ■ Power inductors ■ Sensors and controllers ■ Current sensing resistors 【Table of Contents (Excerpt)】 - Selection guide for various products - Examples of suitable protection circuits by interface - Product proposals for power circuits and communication circuits, from primary to secondary side by block - Cross-reference for various components

It has become very difficult to obtain connectors, especially from Japanese manufacturers. Leoco was established in 1981 and has grown into a world-class connector manufacturer. To date, we have been involved in OEM and ODM development with customers in 26 countries. We have provided design and manufacturing support to world-class companies, and all our products meet international safety standards and their planning requirements. We offer a wide range of connector products with specifications equivalent to those of Japanese manufacturers, ensuring stable supply. Currently, we are providing a cross-reference chart for connector products. 【Items included in the cross-reference chart】 ■ Housing ■ Base-mounted posts ■ Contacts ■ Round terminals ■ Compact crimp connectors *The cross-reference chart can be viewed from the "Download" section. We have products beyond those listed. Please feel free to contact us. Depending on the quantity, we can also accommodate custom products and harness processing.

Due to the recent rapid expansion of demand and the tightening of supply systems, it has become very difficult to obtain semiconductors and electronic components. Therefore, we would like to introduce products from BOURNS, a company with production bases around the world, which offers stable delivery times compared to other manufacturers. While competitors' lead times are extending, our research indicates that we can supply products in about half the time! We also have a wide range of equivalent products to those from other manufacturers, making it easy to consider smooth replacements! In addition, BOURNS offers a variety of components, including protective parts, so we encourage you to consider BOURNS products during this opportunity. (For more details, please refer to the downloadable materials.)

We would like to introduce the products of Niko Semiconductor, which we handle. Niko Semiconductor is a Taiwanese MOSFET manufacturer established in 1998, known for its extensive experience in motherboards made in Taiwan. The product lineup includes low voltage (12V–40V), medium voltage (60V–400V), and high voltage (400V–900V) options, with a wide range of packages available from PDFN and SOT23 to TO252 and TO220. The PDF document below contains the product list. There are also products not listed, so please feel free to contact Seiwa if you have any inquiries. 【Major Products of Niko Semiconductor】 ■MOSFET ■PFC Controllers ■Power ICs *For more details, please refer to the PDF document or feel free to contact us.

■New Product Development ⇒ Launching next-generation semiconductor products ■Quality ⇒ Thorough quality support ■Technical Support ⇒ Providing technology tailored to the needs of each design stage ■Delivery Time ⇒ Please consult with us. Our products are widely adopted for mobile devices, 5G communication equipment, autonomous driving devices, wireless charging equipment, cloud server applications, industrial equipment, and automotive applications. We also have products that can serve as alternatives to those from domestic and international manufacturers, so please feel free to contact us when replacements are needed due to EOL, etc. As a feature of our technical support, our application technology team, composed of members with over 20 years of semiconductor development experience and design expertise accumulated at power supply manufacturers, collaborates to solve technical challenges that may arise during the adoption process (circuit configuration, efficiency, noise, heat generation, etc.) together with our customers. Additionally, we offer a wide range of products from low-voltage to high-voltage (600V - 1500V).

We will create custom speakers tailored to your requests, such as 'not found in other companies,' 'I want the same specifications as discontinued products,' and 'I want one with a harness.' Please feel free to contact us first.

POTENS is a Taiwan-based fabless power semiconductor manufacturer established in 2012. We offer a wide range of high-quality products, including those with a proven track record in automotive applications. This time, we have created a cross-reference for products with high voltage ratings ranging from 600V to 1500V. Please feel free to download it and use it for new or alternative product considerations, EOL consultations, second source preparations, and delivery time measures. In addition to the products listed in the cross-reference, we also offer the following products: <10V to 100V rated MOSFETs> We have over 300 varieties, mainly focusing on CSP MOSFETs and Double Trench structure MOSFETs. <100V to 1000V rated products> We have over 500 varieties, including Double Trench structure MOSFETs, IGBTs, GaN, Super Junctions, and also SiC SBDs. <Products rated above 1000V> We have over 100 varieties, primarily focusing on SiC. *You can check the cross-reference from the "PDF Download" link below. *Please contact us if you would like to request samples.

CHiPLUS is a fabless manufacturer from Taiwan, specializing in Low Power SRAM. They also offer LED drivers and modules for LED lighting. The CS8201 we are introducing this time is an IC for driving GaN FETs. Below are its features: - Configurations related to buck, boost, half-bridge, or full-bridge. - High-side operation with a floating bias voltage of up to 80VDC. - Independent high-side and low-side TTL compatible logic input operation. - Independent shunt output for flexible adjustments. * Indicates the turn-on and turn-off durations for both high-side and low-side.

Chiplus is an SRAM memory design house established in 2002 as part of the publicly listed Helix Technology Group in Taiwan. We mainly manufacture low-power SRAM (64K to 8M), high-speed SRAM, and pseudo SRAM. In 2007, we acquired a Taiwanese LED driver manufacturing company and began selling under the Chiplus brand. Our top-quality products have been adopted by major manufacturers in Japan. We offer a variety of SRAM options. Additionally, we have a lineup of drivers and modules for LED lighting. Please feel free to contact us.

The company's main product is electronic components (crystal devices) that use quartz. There are several types of crystal devices, and the company produces quartz oscillators and quartz oscillators. Among these, the company specializes in SMD (Surface Mount Device) types that use a unique electronic beam hermetic sealing method, focusing on cutting-edge fields such as small portable devices (smartphones, digital cameras, handheld game consoles, etc.), short-range wireless communication (Wi-Fi, Bluetooth, wireless LAN, etc.), car electronics, and medical devices, thereby securing stable profits. At the same time, the company has established the concept of "smaller than anywhere else, smaller to the utmost," consistently leading the industry in product miniaturization.

LEOCO is a connector manufacturer based in Taiwan, established in 1981. We have a track record of transactions with companies in 26 countries worldwide and can provide stable supply with a short lead time of about two months. (Note: Lead times may vary slightly depending on the product, so please contact us for details.) We have a wide range of equivalent connectors from Japanese manufacturers such as JST, Hirose, and Molex, making us ideal for customers considering replacements due to lead time issues. Please feel free to contact us regarding lead times, prices, or inquiries about equivalent products from manufacturers. In addition to connectors, we also offer harness processing, so do not hesitate to consult with us. ★ Sample support is also available.

Potens is a Taiwan-based FAB-less manufacturer established in September 2012. We offer a wide range of products from general low-voltage to high-voltage over 1000V, and we are expanding our lineup with SiC and the trending GaN, as well as a rich selection of equivalent products from other companies! We are engaged in the development of power semiconductor products, with a broad lineup ranging from 10V to 1500V voltage ratings. <10V to 100V rated MOSFETs> We have over 300 varieties, primarily focusing on CSP MOSFETs and Double Trench structure MOSFETs. <100V to 1000V rated> We have over 500 varieties, including Double Trench structure MOSFETs, IGBTs, GaN, Super Junctions, and we also offer SiC SBDs. <Above 1000V rated> We have over 100 varieties, primarily focusing on SiC. We also have products that can serve as alternatives to those from domestic and international manufacturers, so please feel free to contact us if you need replacements due to EOL or other reasons.

The GDT2xxE series features a slim design, achieving space-saving implementation. It offers high surge capacity with a wide range of DC breakdown voltages and 8/20μs waveform ratings. 【Features】 - Fast response speed - Wide temperature range - High surge current rating - Low capacitance and insertion loss - Stable performance - Compact surface mount package - RoHS compliant For additional product characteristics, please refer to the downloadable materials. For quotes and sample requests, please contact the authorized distributor, Seiwa.

Musashino Tsukou Co., Ltd. is a company engaged in the design and manufacturing of transformers and reactors. We have been involved in the manufacturing of these transformers and reactors for over 60 years, striving for the development of our unique products and the improvement of technology. The products created through our daily efforts are utilized in various fields, including medical devices. Based on the technology cultivated over our 60-year history, we handle everything from small communication transformers to large three-phase transformers and the assembly of power units. Our Tianjin factory in China, which has been in operation for 25 years, adheres to the founding principle of "small-batch production of a wide variety" and maintains stable quality. We offer custom-made solutions tailored to the usage conditions and product specifications, including small and specially shaped transformers that match the product structure, as well as reactors designed to suppress heat generation. We support the introduction from the specification consideration and design stage. We respond to a wide variety of requests, including the application of overseas safety standards and the reproduction of existing products from other companies. Please feel free to contact us when you need our services.

We would like to introduce the high-voltage silicon carbide (SiC) 1700V high withstand voltage SiC MOSFET relay 'CotoMOS S117X' from Coto Technology, which we handle. It supports a maximum load voltage of 1700 volts and can maintain a maximum current of 170mA, making it a robust solution suitable for managing and controlling high power systems. 【Features】 ■ Excellent thermal conductivity: It has excellent heat dissipation performance, enabling a compact and efficient design solution. ■ High-speed switching: With a turn-on time (TON) of 0.15 ms and a turn-off time (TOFF) of 0.04 ms, it optimizes switching performance and achieves a rapid response time. ■ High efficiency: Switching losses of the relay are reduced, improving operational efficiency and reducing overall energy consumption. ■ Low output capacitance: The SiC relay with an output capacitance of up to 20 pF supports high-speed switching and excellent performance in high-frequency applications.

We would like to introduce the magnetic sensor/switch from Coto Technology, model 'RedRock RR123-1H02-612', handled by Seiwa Corporation. Designed to meet the stringent requirements for magnetic sensing in applications such as medical, industrial, and consumer devices. Examples of applications include magnetic-operated power switch ON/OFF and proximity sensors, making it particularly suitable for battery-powered devices that require low-power magnetic sensors, such as wearable medical devices, asset tracking devices, and electric, water, and gas meters. 【Features】 ■ Ultra-low power consumption ■ Operating voltage range that maximizes battery operation ■ Efficient switching ■ Output latching ■ High magnetic sensitivity ■ Compact package size *For more details, please download the PDF or feel free to contact us.

We would like to introduce the LEOCO company's "Needle Eye Press-Fit Terminal Series" that we handle. Press-fit terminals provide a permanent electrical connection and mechanical retention function without the need for soldering. This connecting method allows for significant process compression compared to traditional solder connections and reduces environmental impact. Additionally, they are designed for solder-free connections to through-holes on printed circuit boards, and the needle eye offers flexible connection methods from pin connections to interfaces. 【Advantages (Partial)】 ■ Compression of manufacturing processes ■ Compatibility with both single pins and connector modules ■ Solder-free board mounting ■ High vertical resistance ■ Reduction of contact resistance *For more details, please download the PDF or feel free to contact us.

We handle Bourns' "current sensing resistors." Resistance values are selected considering the balance between power consumption and voltage output. Factors such as overload/failure conditions, current peaks, and operating temperatures are taken into account. We offer products like "E-beam welded shunt resistors" that have excellent long-term stability and can handle high currents. [Reasons to choose Bourns' shunt resistors] - Extensive AEC-Q200/automotive portfolio - Produced in IATF 16949:2016 certified factories - PPAP compliance available upon request - Shortened product lead times while minimizing engineering costs - Invested in securing raw material inventory to reduce lead times *For more details, please download the PDF or feel free to contact us.

Hitpoint Inc. is a Taiwanese manufacturer established in 1983. For 42 years since its founding, it has built a strong reputation worldwide in buzzers, speakers, and microphones, offering a wide range of buzzers suitable for various applications, including industrial, automotive, railway transportation, and home security. ☆ We also offer equivalent piezo buzzers for discontinued domestic manufacturer products. ☆ * Cross-references can be checked from the "Catalog Download." * Please contact us if you would like samples.

Hitpoint Inc. is a Taiwanese manufacturer established in 1983. For 42 years since its founding, it has built a high reputation worldwide in buzzers, speakers, and microphones, offering a wide range of buzzers for various applications including industrial, automotive, railway transport, and home security. ☆ We also have many equivalent piezo buzzers for discontinued domestic manufacturer products in our lineup. ☆ * Cross-references can be checked from the "Catalog Download." * Please contact us if you would like samples.