双信電機 List of Products and Services

The "LC79P Series" is a large-capacity, low-loss type of film capacitor for smoothing applications. It has excellent capacitance accuracy, with minimal changes due to operating temperature, and allows for high-precision design with small initial capacitance deviation. This product is not intended for use with pulse currents or pulse voltages; it is a capacitor specifically designed for smoothing circuit applications. 【Features】 ■ High ripple current tolerance per capacitance allows for miniaturization ■ Unique safety mechanism from Soshin Electric prevents short-circuit mode ■ Long lifespan due to the use of polypropylene film as the dielectric ■ Low inductance due to the structure of the internal electrode plates ■ Customizable mounting shapes for the case and terminals *For more details, please download the PDF or feel free to contact us.

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We would like to introduce our zero-phase reactor core "RC Series." The "RC5000ZZ Series" features core sizes ranging from 38φ to 128φ. It has a structure that is less likely to damage wire insulation due to the use of a resin cover. The "RC5000Y Series" offers core sizes from 45φ to 200φ and achieves high attenuation through the use of Hi-μ material. 【Features of the RC5000ZZ Series】 ■ Core sizes range from 38φ to 128φ ■ Structure that is less likely to damage wire insulation due to the use of a resin cover ■ Strong against vibration due to integrated molding *For more details, please download the PDF or feel free to contact us.

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The "NF-SVB series" is a noise filter for overseas neutral-grounded power supplies. The capacitors inside the filter are safe due to their open failure mode. We also offer the "NF3000C-SWA series," which includes a Y-capacitor disconnection switch for voltage withstand testing. Additionally, it is an SCCR-compliant product (the product name includes the SCCR value). Circuit constant changes for optimization are possible. 【Features】 ■ SCCR-compliant product (the product name includes the SCCR value) - Obtained in combination with a breaker - Can be used with any manufacturer's breaker if it is a Listed certified product ■ High attenuation type for European power supplies ■ The capacitors inside the filter are safe due to their open failure mode *For more details, please download the PDF or feel free to contact us.

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The "HF-SJB Series" is an AC noise filter for power generation and storage systems. It is designed for neutral-grounded power supplies. (In neutral-grounded power supplies, leakage current as described will not flow if there is no phase loss.) The "HF3000C-SJBW Series" is equipped with a Y-capacitor disconnection switch for withstand voltage testing. 【Features】 ■ Achieves 80% miniaturization compared to conventional products in the same class ■ Wide lineup ranging from 300 to 1600A ■ The HF3000C-SJBW Series includes a Y-capacitor disconnection switch for withstand voltage testing ■ Designed for neutral-grounded power supplies *For more details, please download the PDF or feel free to contact us.

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The "HF-SJB Series" is a DC noise filter designed for power generation and storage systems. It achieves a 70% reduction in size compared to conventional products in the same class. The "HF2000E-SJBW Series" is equipped with a Y capacitor disconnection switch for withstand voltage testing. Please feel free to contact us if you have any inquiries. 【Features】 ■ Achieves a 70% reduction in size compared to conventional products in the same class ■ A wide lineup ranging from 300 to 1600A ■ The HF2000E-SJBW Series includes a Y capacitor disconnection switch for withstand voltage testing *For more details, please download the PDF or feel free to contact us.

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The "HF-SZA Series" is a space-saving book-type high attenuation noise filter that complies with SCCR standards. The structure without detachable terminal covers improves workability. Circuit constant changes for optimization are possible. The capacitors inside the filter have an open failure mode, ensuring safety. Three series can be selected based on attenuation characteristics. 【Features】 ■ SCCR compliant ・Obtained in combination with circuit breakers ・Can be used with any manufacturer's breaker if it is a Listed certified product ■ Low leakage current and high attenuation type for domestic power supply ■ The capacitors inside the filter have an open failure mode, ensuring safety *For more details, please download the PDF or feel free to contact us.

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The "NF-VZ series" is a space-saving, low-profile general-purpose noise filter. It is compliant with SCCR standards and can be used in combination with circuit breakers. Any manufacturer's circuit breaker can be used as long as it is a Listed certified product. It can be used in applications such as semiconductor manufacturing equipment, machine tools, general-purpose inverters, servos, power supply devices like CVCF, elevator power supplies, and factory power supplies. 【Features】 ■ SCCR compliant products (products with SCCR values listed) - Can be used in combination with circuit breakers - Any manufacturer's circuit breaker can be used as long as it is a Listed certified product ■ Compact low-profile general-purpose type *For more details, please download the PDF or feel free to contact us.

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The "NF-SVA/SVF Series" is a space-saving book-type general-purpose noise filter. It contributes to effective space utilization in narrow installation areas and devices with high mounting density, as well as miniaturization. Additionally, the structure without detachable terminal covers improves workability. Circuit constant changes for optimization are possible. 【Features】 ■ SCCR compliant products (products with SCCR value indicated are compliant) ・Acquired in combination with circuit breakers ・Can be used with any manufacturer's circuit breaker if it is a Listed certified product ■ Low leakage current type for domestic power supply ■ The capacitors inside the filter have an open failure mode for safety *For more details, please download the PDF or feel free to contact us.

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The "NF-Dx Series" is a compact, high-performance noise filter certified for overvoltage category III. It allows for the selection of series based on application and noise level within the same housing. We offer low leakage current types for domestic power supplies, high attenuation types for overseas neutral-grounded power supplies, saturation-resistant types, and wideband high attenuation types. Additionally, it can be used in applications such as semiconductor manufacturing equipment, machine tools, general-purpose inverters, servos, and power supply devices like CVCF. 【Product Lineup】 ■ NF3000C-DxA Series: Low leakage current type for domestic power supplies ■ NF3000C-DxB Series: High attenuation type for overseas neutral-grounded power supplies ■ NF3000C-DxN Series: Saturation-resistant type ■ NF3000C-DxU Series: Wideband high attenuation type *For more details, please download the PDF or feel free to contact us.

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The "HF-UP Series" is a compact, high-damping noise filter for single-phase two-wire systems. Products in this series can be positioned vertically for current ratings from 5 to 30A. They can be used in semiconductor manufacturing equipment, machine tools, industrial robots, medical electronic devices, general-purpose inverters, CVCF power supplies, elevator power supplies, and factory power supplies. Please feel free to contact us when you need assistance. 【Features】 ■ High-damping type for single-phase power supply ■ Vertical positioning is possible for current ratings from 5 to 30A ■ The UPF series with improved low-frequency characteristics is also available *For more details, please download the PDF or feel free to contact us.

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The "NF-UP Series" is a compact, general-purpose noise filter with a single-phase two-wire configuration. It can be used in semiconductor manufacturing equipment, machine tools, industrial robots, medical electronic devices, general-purpose inverters, power supply devices such as CVCF, elevator power supplies, and factory power supplies. The product features a small resin case design. Please feel free to contact us for inquiries. 【Product Lineup】 ■ General-purpose UP Series ■ High attenuation type: UPH Series ■ Low leakage current type: UPL Series ■ Low-frequency performance improvement type: UPF Series *For more details, please download the PDF or feel free to contact us.

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The "LT-C Series with Circuit Disconnection Mechanism" is a surge absorber that achieves a compact design through the adoption of multi-terminal elements. Even if the SPD element deteriorates or fails, the ZnO circuit disconnection mechanism prevents smoke and fire from the SPD body (failure mode open). Additionally, the built-in ZnO (zinc oxide) element disconnection mechanism eliminates the need for traditional external fuses, contributing to space-saving. 【Features】 ■ Safe design (improved safety) and reduced lightning damage ■ Reliable lightning surge resistance ■ Compact design (effective use of space) ■ Compliance with safety standards *For more details, please download the PDF or feel free to contact us.

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Low inductance, absolute confidence in high frequency and large current! ■ Achieved low inductance through accumulated design know-how! ■ High ripple current tolerance per capacitance allows for miniaturization. ■ Our unique fuse pattern avoids short mode while achieving low heat generation at high currents (patent pending). ■ Using metallized polypropylene film as the dielectric ensures a longer lifespan compared to electrolytic capacitors. * Custom solutions are available. For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials

Our company offers on-site testing for CE marking certification and Korean KCs declaration. We conduct a wide range of investigations, diagnostics, and countermeasures for various noise disturbances, and with our extensive countermeasure know-how, we support noise mitigation. EMC testing can be conducted at the location specified by the customer. We welcome inquiries regarding noise issues, so please feel free to contact us when needed. 【Features】 ■ On-site testing (EMC testing at the site specified by the customer) is available ■ A wide range of investigations, diagnostics, and countermeasures for various noise disturbances ■ On-site testing supported by a team of 7 *For more details, please refer to the related links or feel free to contact us.

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We would like to introduce the "SCCR-compliant noise filter" that we handle. In response to the demands of the North American market and the semiconductor market, we have a lineup of products that have obtained SCCR certification. We offer options such as the book-type L2 stage standard model "HF3000C-SZA" and the L2 stage model "HF3000C-TZA," which supports vertical and horizontal mounting. Please feel free to contact us when you need assistance. 【Product Overview】 ■ SCCR-compliant in combination with circuit breakers, supporting "up to 30kA" To meet the SCCR value, it is necessary to select a Listed certified circuit breaker. ■ Obtained with various noise filters of CISPR11 Class A (general-purpose) / Class B (high attenuation) ■ No separate fuse required (certification tests conducted with circuit breakers) *For more details, please refer to the related links or feel free to contact us.

• Parts and Materials

We would like to introduce the "Hybrid Coupler" that we handle. We offer a diverse lineup of products such as HMD814D-HYB2150, HMD2700A-HYB0850, and HMD6708D-HYB2200. Thanks to our unique materials and structure, these couplers are compact yet capable of handling wide bandwidth and high power, making them suitable for base stations. Please feel free to contact us when you need assistance. 【Lineup (Excerpt)】 ■ Miniaturization through unique materials and structure ■ Wide bandwidth and low insertion loss characteristics ■ Suitable for distribution/synthesis of mid-power/high-power signals ■ Compatible with small cells to macro cells *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

At the Asama Test Lab of Shōshin Electric, we have started a remote EMC measurement service. Using Microsoft TEAMS (or any web conferencing system you prefer), our test engineers will handle everything from equipment setup to measurement while interacting through real-time video. We are equipped with a 10m large anechoic chamber and a shielded room, so please feel free to contact us when needed. 【Features】 ■ Uses Microsoft TEAMS ■ Other web conferencing systems can also be used ■ Interaction via real-time video ■ Support from equipment setup to measurement ■ Equipped with a 10m large anechoic chamber and a shielded room *For more details, please refer to the PDF document or feel free to contact us.

• Measurement and Inspection