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  3. 山一電機
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Electronic Components and Semiconductors
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山一電機

EstablishmentNovember 1, 1956
capital1008400Ten thousand
number of employees375
addressTokyo/Ota-ku/2-16-2 Nampukata, Tekunopōto Daiju Seimei Building
phone03-3734-0110
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last updated:Jul 08, 2026
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山一電機 Product Lineup

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コネクタ コネクタ
YFLEX(R)(フレキシブル配線板) YFLEX(R)(フレキシブル配線板)
YFLEX(R)(フレキシブル配線板)

YFLEX(R)(フレキシブル配線板)

YFLEX(R)とは低損失の液晶ポリマー(LCP)を絶縁基材に採用した、フレキシブル配線板です。 5G、通信、ミリ波レーダー市場で求められる28Gbps、56Gbpsクラスの高速伝送用途やアンテナ基板用途にも対応可能です。 耐ノイズ、ヒーター、高耐熱、耐油、極薄、高屈曲など各種要求に特化したFPC製品もご提供致します。

High-speed transmission connector system

Cables and connectors with excellent high-frequency characteristics.

The high-speed transmission connector system "HF507 Series" requires connectors capable of high-speed transmission supporting Gbps, along with flexible cables that connect the connectors, for devices such as digital home appliances, car electronics, amusement, and communication networks, which demand excellent high-frequency characteristics. In particular, products that can accommodate high-speed transmission interface standards such as LVDS and HDMI for image device transmission are necessary. The HF507 Series plans to offer products that enable various cable connections via adapters, combined with our excellent impedance-matched cables (YFLEX) that are resistant to unwanted radiation noise, thus providing high-speed transmission systems tailored to various applications.

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Heater FPC

FPC is ideal for curved areas that require anti-fogging and thermal insulation.

【Features】 ■ Generates heat by passing electricity through the conductor. (The conductors are made of two types: stainless steel and copper) ■ Supports flexible shapes ■ Heat distribution according to application ■ Lead wire installation possible ■ Components such as thermistors and fuses can be mounted.

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Oil-resistant FPC

FPC optimal for environments where cutting oil and similar substances are sprayed.

■Strong oil resistance, suppresses sulfur-induced disconnection. ■Maintains conductivity even after being immersed in alkaline + sulfur oil for 100 hours.

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Noise-resistant FPC

FPC that is resistant to noise due to GND enhancement. Total quality assurance is possible when combined with our HF connectors.

【Features】 ■ FPC cable with strong noise resistance ■ Various LCD-IF connector mating cables are also available ■ Custom wiring design available - (impedance matching design, low loss, crosstalk, etc.) ■ Total quality assurance possible when combined with our HF connectors ■ FPC is more resistant to noise compared to discrete wires We provide mating adapters for various LCD-IF connectors assembled with noise-resistant FPC cables. For more detailed information, please feel free to contact us.

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Flexible printed circuit board "High Flex FPC" [Over 10 million bending cycles]

A flexible circuit board that achieved over 10 million bending characteristics at 70℃! It is flexible and excels in bending performance even in high-temperature environments, ensuring high reliability!

The "High Flex FPC" is a flexible printed circuit board (FPC) with bending characteristics that exceed 10 million cycles at 70°C. By using a high Tg (glass transition temperature) coverlay, it suppresses the degradation of bending characteristics at high temperatures. It is flexible and excels in bending performance even in high-temperature environments, offering high reliability. 【Features】 ■ Significantly improved bending characteristics by using rolled copper foil ■ Capable of high-speed transmission of over Gbps with low loss ■ Easy to match characteristic impedance  ・Characteristic impedance value can be matched at differential 100±15Ω *For more details, please request materials or view the PDF data from the download.

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Supports a maximum current of 24A! FPC cable with a thin, lightweight, and highly flexible design.

Thin, lightweight, soft, high-bend large current FPC cable. It achieves space-saving and weight reduction, contributing to increased design flexibility for devices.

The 24A current FPC cable "YFLEX" is a thin, lightweight, soft, and highly flexible high-current FPC cable. It supports a maximum current of 24A, achieving space-saving wiring and weight reduction that is difficult with wire harnesses. Its flexibility allows it to adapt to narrow spaces and movable parts, contributing to greater design freedom for equipment. It can be used in a wide range of applications, including robots, industrial machinery, semiconductor manufacturing equipment, and medical devices. This is an ideal solution for design and development environments that want to balance high-current wiring with compactness and lightweight. 【Applications】 ■ Replacement of power cables for industrial equipment, robots, FA equipment, and automotive devices ■ Prevention of connector disconnection due to vibration and shock ■ Use in movable parts ■ Reduction in the number of cables used due to its thin and lightweight nature ■ Increased freedom in cable placement, such as routing along the sides of enclosures *For more details, please view the PDF data from "Download Catalog" or feel free to contact us.

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Suitable for preventing fogging and condensation on camera lenses and other equipment! Heater FPC

FPC is ideal for curved areas that require anti-fogging and thermal insulation.

【Features】 ■ Generates heat by passing electricity through the conductor. (The conductors are made of two types: stainless steel and copper) ■ Supports flexible shapes ■ Heating distribution according to application ■ Lead wire attachment possible ■ Components such as thermistors and fuses can be mounted. If you have any concerns or questions, please feel free to contact us.

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Suitable for preventing the coagulation of liquids such as ink and blood! Heater FPC

FPC is ideal for curved areas that require anti-fogging and thermal insulation.

【Features】 ■ Generates heat by passing electricity through the conductor. (There are two types of conductors: stainless steel and copper) ■ Supports flexible shapes ■ Heating distribution according to application ■ Lead wires can be attached ■ Components such as thermistors and fuses can be mounted. If you have any concerns or questions, please feel free to contact us.

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Suitable for temperature and humidity control! Heater FPC

FPC is optimal for curved areas where anti-fogging and heat retention are necessary.

【Features】 ■ Generates heat by passing electricity through the conductor. (There are two types of conductors: stainless steel and copper) ■ Supports flexible shapes ■ Heating distribution according to application ■ Lead wire installation possible ■ Components such as thermistors and fuses can be mounted. If you have any concerns or questions, please feel free to contact us.

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Suitable for noise countermeasures on LCD main boards! Noise-resistant FPC

FPC that is resistant to noise due to GND enhancement. Total quality assurance is possible when combined with our HF connectors.

【Features】 ■ FPC cable with strong noise resistance ■ Various LCD-IF connector mating cables are also available ■ Custom wiring design available - (impedance matching design, low loss, crosstalk, etc.) ■ Total quality assurance possible in combination with our HF connectors ■ FPC is more resistant to noise compared to discrete wires We provide mating adapters for various LCD-IF connectors assembled with noise-resistant FPC cables. For more detailed information, please feel free to contact us.

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Suitable for noise countermeasures between camera/sensor and circuit board! Noise-resistant FPC

FPC that is resistant to noise due to GND enhancement. Total quality assurance is possible when combined with our HF connectors.

【Features】 ■ FPC cable with strong noise resistance ■ Various LCD-IF connector mating cables are also available ■ Custom wiring design available - (impedance matching design, low loss, crosstalk, etc.) ■ Total quality assurance possible in combination with our HF connectors ■ FPC is more resistant to noise compared to discrete wires We provide mating adapters for various LCD-IF connectors assembled with noise-resistant FPC cables. For more detailed information, please feel free to contact us.

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Transmission above Gbps for LVDS/eDP/MIPI, noise-resistant FPC

FPC that is resistant to noise due to GND enhancement. Total quality assurance is possible when combined with our HF connectors.

【Features】 ■ FPC cable with strong noise resistance ■ Various LCD-IF connector mating cables are also available ■ Custom wiring design available - (impedance matching design, low loss, crosstalk, etc.) ■ Total quality assurance possible in combination with our HF connectors ■ FPC is more resistant to noise compared to discrete wires We provide mating adapters for various LCD-IF connectors assembled with noise-resistant FPC cables. Please feel free to contact us for more detailed information.

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Oil-resistant! For machine tools - Oil-resistant FPC

FPC optimal for environments where cutting oil is being sprayed.

■Strong oil resistance, suppresses sulfur-induced disconnection. ■Maintains conductivity even after being immersed in alkaline + sulfur oil for 100 hours.

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Oil-resistant! For industrial robots - Oil-resistant FPC

FPC optimal for environments where cutting oil and similar substances are sprayed.

■Strong oil resistance and suppression of sulfur-induced disconnection. ■Maintains conductivity even after being immersed in alkaline + sulfur oil for 100 hours.

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Oil-resistant! For automatic transport and FA equipment - Oil-resistant FPC

FPC optimal for environments where cutting oil is being sprayed.

■Strong oil resistance, suppresses sulfur-induced disconnection. ■Maintains conductivity even after being immersed in alkaline + sulfur oil for 100 hours.

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