尾関 List of Products and Services

【Features】 ● This transformer achieves high voltage by separating the secondary side of the transformer. ● By using split windings, it reduces the stray capacitance on the secondary side, resulting in high conversion efficiency. ● In addition to various lineups, mold manufacturing is also possible. ● Resin molding is also available. 【Applications】 For ionizers, UV lamps, and HID lamps. * Ozeki Co., Ltd. is the Japanese sales agent for Smart Coil.

• transformer

**Features** - We can accommodate small lot sizes and design from scratch according to your specifications. - We have extensive design experience, enabling optimal designs. - Heat dissipation performance has improved compared to conventional products. Depending on the specifications, there are cases of approximately 40% improvement based on our track record. - By improving the coupling of internal plates, we have achieved the minimization of leakage inductance. - We have manufacturing experience for capacities ranging from 1 to 20 kW, with secondary side output currents up to 1500 A. - During prototyping, we generally do not require mold costs by utilizing 3D printers and other technologies. - We have achieved overwhelming thinness. **Applications** Mobile phone base stations, power supplies for servers, large industrial equipment, welding machines, surface treatment (plating) equipment, rapid charging stations for electric vehicles, solar power conditioners, semiconductor manufacturing equipment, induction heating devices, etc. *Ozeki Co., Ltd. is the Japanese sales agent for Smart Coil.*

• transformer

**Features** - We propose transformers compatible with various circuit configurations such as flyback, forward, RCC, full bridge, half bridge, push-pull, chopper, and LLC. - We can also offer integrated transformers (transformer + inductor) for LLC power supplies, which have been gaining attention in recent years. - We have pin-type and surface mount types in our lineup. - Custom solutions are available. **Applications** Switching power supplies, UPS, electric vehicles, semiconductor manufacturing equipment, power conditioners, medical devices, communication equipment, lighting equipment, inspection equipment, measuring instruments, power monitors, DC/DC converters, etc. *Ozeki Co., Ltd. is the Japanese sales agent for Smart Coil.*

• transformer

**Features** - This is a single-phase common mode choke coil using a nano-crystal core. - It can handle a rating of 200V and a current of 10-30A. - It achieves miniaturization with a higher permeability than ferrite cores. - It is suitable for use at high temperatures due to its high Curie temperature. - Customization is available. Optimal designs will be made according to the required characteristics. **Applications** - Common mode noise countermeasures for DC power lines and single-phase/three-phase AC power lines. - Conduction/noise countermeasures for signal lines. *Ozeki Co., Ltd. is the Japanese sales agent for Smart Coil.*

• Inductor Coil

**Features** - This is a reactor with an aluminum die-cast case designed for miniaturization. - It suppresses temperature rise as a reactor by transferring heat from the core and coil to the aluminum case. - It uses a high thermal conductivity molded resin, providing excellent heat dissipation. - The molded structure achieves excellent environmental resistance (waterproof, high temperature, high humidity, thermal shock). - To save space, a type that houses multiple reactors in one case is also available. - Custom options such as litz wire are possible. **Applications** Solar power conditioners, energy storage systems, wind power generation, semiconductor manufacturing equipment, charge and discharge devices, rapid chargers, machine tools, UPS, welding machines, surface treatment equipment, non-contact power supply devices. **Capacity** - Single-phase: 4–6 kVA - Three-phase: 10–50 kVA **Core Types** Dust core (FeSi, FeSiAl [Sendust], nanocrystalline), ferrite core, super core. *Ozeki Co., Ltd. is the Japanese sales agent for Smart Coil.*

• Inductor Coil

**Features** - Edgewise winding allows for miniaturization and weight reduction of the product. - Reduces skin effect in high current and high frequency products. - The electric field is evenly distributed, providing good conductivity and low inrush current, resulting in excellent EMC characteristics. - Achieves low loss by using high-efficiency dust cores. - Custom options such as litz wire are available. **Applications** Power conditioners, energy storage systems, robot controllers, rapid chargers, boost reactors for HEV/PHEV, onboard chargers. *Ozeki Co., Ltd. is the Japanese sales agent for Smart Coil.*

• Inductor Coil

【Features】 ● Applied edgewise winding with flat corners to a toroidal low-loss powdered iron core. ● Effective for miniaturization, high efficiency, improved heat dissipation, and reduced EMI. ● Despite being toroidal, it can handle effective currents of up to approximately 100A. ● A culmination of key technologies such as newly developed edgewise winding machines and precision cutting technology for powdered iron cores. ● Customizable. Optimal design will be conducted according to the required characteristics. 【Applications】 ● Step-down choppers, step-up choppers, AC reactors, DC reactors, PFC coils, etc. 【Current Rating】 ● 10 to 100A 【Recommended Carrier Frequency】 ● 10 to 100kHz * Ozeki Co., Ltd. is the sales agent for smart coils in Japan.

• Inductor Coil

LiPOLY Technology is a Taiwanese manufacturer with deep expertise in thermal conductive materials and extensive application experience. Equipped with state-of-the-art laboratories and automated production facilities, we conduct high-precision testing and analysis to ensure the stability and reliability of our products. We offer a wide range of products, including silicone-based thermal conductive heat dissipation sheets boasting the industry's highest thermal conductivity of 24W/m·K, as well as non-silicone materials that are in high demand recently, and insulation materials with a thermal conductivity of 0.009W/m·K. For more details, please visit our website.

• Composite Materials

We have a wide variety of magnetic materials and shapes of iron cores available.

• Steel
• Inductor Coil
• magnet

"Super Core" is a non-oriented electrical steel sheet with excellent high-frequency characteristics, uniquely developed by JFE Steel Corporation. It has achieved a silicon (Si) content of 6.5%, which was previously considered impossible, making low noise, low loss, and high permeability possible. It is being adopted in various fields, including high-frequency reactors, active filters for power factor improvement, and more recently, boost circuits for hybrid vehicles, and its applications are continuing to expand.

• Other electronic parts
• magnet
• Steel

Contactless power supply is expanding its applications from small-capacity devices like electric toothbrushes to automatic guided vehicles (AGVs) and electric vehicles (EVs) with the practical implementation of the new technology "electromagnetic resonance method." This technology requires ferrite cores, and with the expansion of applications and the need for larger capacities, there is a demand for materials that exhibit low loss and high magnetic flux density over a wide temperature range.

• Ferrite Core

We offer materials primarily based on the Mn-Zn system, each with characteristics tailored to meet specific market needs. We have various shapes available, including UU, EI, EE, EER, PQ, toroidal cores, and block cores. We can also provide equivalent products from other companies and accommodate various custom requests.

• Ferrite Core

Dust cores have been widely used for a long time as core materials for high frequencies, but the characteristics of the tiny gaps dispersed within the core can be utilized as chokes for DC power supplies, as well as for filters for motors and dimmers, and many other EMI/RF applications.

• Other electronic parts
• magnet

It is a material with a thickness of 20 to 30 μm, which suppresses eddy currents and achieves low iron loss.

• Other electronic parts
• magnet

The application of bobbinless structure and edgewise winding allows for miniaturization compared to conventional products.

• Inductor Coil

Effective for miniaturization, high efficiency, improved heat dissipation, and EMI reduction. We will perform optimal design according to the required characteristics through custom support.

• Inductor Coil

【Features】 ■ We have a wealth of design experience and can provide optimal designs*. ■ Heat dissipation performance has been improved compared to conventional products. Depending on the specifications, there are cases with approximately 40% improvement based on our track record. ■ By improving the coupling between internal plates, we have achieved the minimization of leakage inductance. ■ We have manufacturing experience for capacities ranging from 1 to 20 kW, with secondary side output currents up to 1,500 A. ■ During prototyping, the use of 3D printers generally eliminates the need for mold costs.

• transformer
• Inductor Coil

This is a toroidal coil uniquely designed by Ozeki using various magnetic materials. We will provide optimal designs tailored to your requirements, including rated current, inductance values, frequency, and quietness. We can accommodate small lots and custom requests. Please feel free to consult us if you have any issues with choke coils. For more details, please contact us.

• Inductor Coil

We will optimally design and propose a reactor tailored to your requirements. Regarding the core materials, we offer various magnetic materials, including JFE Steel's Super Core, and we can propose a reactor that meets your specifications from material selection to structure and manufacturing location.

• Inductor Coil

We offer a lineup of Toho Zinc products that have a proven track record for automotive applications. The biggest feature is that we conduct integrated production from raw materials to finished products based on dust cores manufactured in-house.

• converter
• inverter
• power supply

We handle common mode choke coils as components for EMC and noise countermeasures. ■ A thin type and High-μ type that applies a high-performance "ferrite core" ■ A type that applies a high-performance "nanocrystalline alloy core" contributing to miniaturization We offer these two types.

• Inductor Coil
• EMC countermeasure products

■ Large Single-Phase Transformer Custom options available for input voltage, output voltage, circuit additions, metal cases, etc. ■ Large Three-Phase Transformer Custom options available for star connection, delta connection, Scott connection, metal cases, etc.

• transformer

A switching transformer that widely supports various electronic devices using ferrite cores for all applications.

• Transformers
• Switching Power Supply
• power supply

To meet the demands for higher frequency and miniaturization of power equipment, we have introduced a series of nanocrystalline alloy soft magnetic materials. They are effective for various purposes such as noise reduction, reduction of high-frequency losses, and minimizing noise.

• Inductor Coil
• EMC countermeasure products

To meet the demands for high frequency and miniaturization of power equipment, we have introduced a series of nanocrystalline alloy soft magnetic materials. They are effective for various purposes such as noise reduction, reduction of high-frequency losses, and minimizing noise.

• Steel
• transformer
• Inductor Coil

In response to the demand for high frequency and miniaturization of power equipment, we have introduced a series of nanocrystalline alloy soft magnetic materials. These materials are effective for various purposes such as noise countermeasures, reduction of high-frequency losses, and reduction of noise.

• EMC countermeasure products

Terada's "Teradite" combines high-performance resin adhesive technology, manufacturing know-how, and unique synthesis techniques, bringing together the expertise cultivated in the electronic device industry. It meets a wide range of needs, from traditional epoxy resins to various functional products such as high thermal conductivity, high heat resistance, and flexibility, as well as environmentally friendly resins and the latest UV-curable resins.

• Other polymer materials
• Other consumables

Thermal conductive material using αGEL (Alpha Gel), a very soft gel-like material developed by Taika Co., Ltd., primarily made from silicone.

• Other electronic parts

■Non-silicone material There are no concerns about electrical contact failures or glass fogging caused by siloxane. ■No curing process required Since the curing reaction is already complete, it can be immediately passed to the next process after implementation, allowing for a reduction in man-hours. ■Surface conformability With excellent flexibility, it conforms to deep irregularities and complex shapes, filling gaps between the housing or heat sink and the heat source, thereby improving heat dissipation performance. ■Reduced reaction force There is significant stress relief after implementation and assembly, greatly reducing stress on the housing and circuit board components. ■Low bleed It significantly reduces oil bleed, thereby lowering the risk of contamination.

• Rubber

We offer high-performance DC/DC converters, primarily insulated types manufactured by MOTIEN TECHNOLOGY in Taiwan, with high quality, low prices, and prompt response. In addition to a wide range of standard products, custom solutions are also available.

• Switching Power Supply
• LED Module
• converter

As a non-contact current sensor, it has industry-leading accuracy.

• Sensors

For overseas procurement of metal processing parts, please leave it to Ozeki. Utilizing the experience we have cultivated since the establishment of our Electronic Materials Division (now the Electronic Components Sales Division) in 1983, we select the most suitable processing partners from local overseas companies with manufacturing bases in various regions such as China and Taiwan, according to our customers' requests and project scales, and supply them. Our subsidiary established in Hong Kong in 2001 has local technical staff who can communicate in Japanese, ensuring a robust support system on-site. We provide support from delivery within Japan to local procurement. *For more details, please check our website.*

• cylinder
• shaft
• roller