High Current Compatible Flexible Circuit Board BigElec
Suitable for incorporation into curved and narrow spaces. It can form high current circuits with a thin shape and low inductance.
Big Elec is a flexible printed circuit board designed for high current wiring, achieving a flat shape and thin profile as an alternative to busbars and wire harnesses. It boasts three remarkable features. 【Feature 1】 Low Inductance Thanks to its unique structure, it achieves lower inductance compared to conventional wires with the same conductor cross-sectional area. When switching high currents at high frequencies, high inductance can cause significant voltage spikes, potentially damaging high current-compatible electronic components. The low inductance of Big Elec reduces voltage spikes, contributing to the reliability of high current-compatible electronic components. 【Feature 2】 Flat Shape and Flexibility Its unique structure allows for a thin conductor, flat shape, and flexibility. It is flatter than traditional wire harnesses and can handle higher currents than conventional flexible printed circuit boards. 【Feature 3】 High Design Freedom It ensures design freedom and usability similar to printed circuit boards. Pattern wiring and external shapes can be customized according to requirements. It also supports the mounting of electronic components and connectors using paste solder.
basic information
Maximum current value: 10A to 100A Maximum dimensions: 480mm × 200mm Supported layers: 2 layers to 8 layers Conductor thickness per layer: up to 100μm thick
Price range
P4
Delivery Time
P4
The price and delivery time will vary depending on the structure, quantity, and specifications.
Applications/Examples of results
【Intended Use】 Secondary batteries Linear/round motors Internal wiring for power supplies 【Track Record】 Semiconductor testing equipment Fiber optic fusion splicers Line lighting Ultrashort pulse lasers Inverters
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【May 21, 2025 - May 23, 2025】Automotive Technology Exhibition 2025 YOKOHAMA: Displaying the high-current flexible circuit board "BigElec" at the booth of Daitron Co., Ltd.
At the "2025 YOKOHAMA Automotive Technology Exhibition," we will be showcasing Yamashita Material Co., Ltd.'s high-current flexible circuit board "BigElec" at Daitron Co., Ltd.'s exhibition booth. This exhibition is one of the largest automotive technology exhibitions in Japan, presenting the latest technologies and products to the world. Dates: May 21 (Wednesday) to May 23 (Friday), 2024 Venue: Pacifico Yokohama Exhibition Booth: 398 (within Daitron's exhibition booth) This is a valuable opportunity to experience innovative technologies. We encourage you to stop by when you visit. For more details about the exhibition, please refer to the following URL: https://www.daitron.co.jp/news/2025/04/expo_aee-yokohama2025.html
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【July 17, 2024 - July 19, 2024】Automotive Technology Exhibition 2024 NAGOYA: Displaying the high current compatible flexible substrate "BigElec" at the booth of Daitron Co., Ltd.
At the "2024 NAGOYA Automotive Technology Exhibition," we will showcase Yamashita Material Co., Ltd.'s high-current flexible substrate "BigElec" at the booth of Daitron Inc. This exhibition is one of the largest technology exhibitions for automotive engineers in Japan, presenting the latest technologies and products to the world. Dates: July 17 (Wednesday) to July 19 (Friday), 2024 Venue: Aichi Sky Expo (Aichi Prefectural International Exhibition Center) Exhibition Booth: 232 (within Daitron's booth) This is a valuable opportunity to experience innovative technologies. We encourage everyone in the Chukyo region to stop by. For more details about the exhibition, please refer to the following URL: https://www.daitron.co.jp/news/2024/04/expo_aee-yokohama2024.html
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Announcement of Yamashita Material's participation in the Electronic Equipment Total Solution Exhibition/JPCA Show 2024 from June 12 to June 14, 2024, showcasing the latest flexible substrates all in one place.
We will be exhibiting at the JPCA Show 2024, the Total Solutions Exhibition for Electronic Devices. At this exhibition, various electronic circuits and mounting technologies used in electronic devices and information communication equipment, as well as new technologies and solutions such as sensors and E-Textiles (wearable technology) that are gaining traction, will be showcased together. By providing and proposing technical information, we aim to contribute to the development of the electronic circuit industry and related sectors. At our booth, we will display our flexible printed circuits (FPC), focusing on low-loss FPC and high-current FPC "BigElec." We invite you to take this opportunity to see our products up close and experience their innovative technology. Dates: From June 12 (Wednesday) to June 14 (Friday), 2024 Venue: Tokyo Big Sight, East Exhibition Hall Exhibition Booth: 4D-11 This is a valuable opportunity to experience innovative technology. We look forward to your visit. For more details about the exhibition, please refer to the following URL: https://www.jpcashow.com/show2024/
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【May 22, 2024 - May 24, 2024】Automotive Technology Exhibition 2024 YOKOHAMA: Displaying the high-current flexible substrate "BigElec" at the booth of Daitron Co., Ltd.
At the "2024 YOKOHAMA Automotive Technology Exhibition," we will be showcasing Yamashita Material Co., Ltd.'s high-current flexible circuit board "BigElec" at Daitron Co., Ltd.'s exhibition booth. This exhibition is one of the largest automotive technology exhibitions in Japan, presenting the latest technologies and products to the world. Dates: From May 22 (Wednesday) to May 24 (Friday), 2024 Venue: Pacifico Yokohama Exhibition Booth: 299 (within Daitron's exhibition booth) This is a valuable opportunity to experience innovative technologies. We hope you will stop by when you visit. For more details about the exhibition, please refer to the following URL: https://www.daitron.co.jp/news/2024/04/expo_aee-yokohama2024.html
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[December 13, 2023 - December 15, 2023] Yamashita Material Announcement of Participation in SEMICON Japan 2023 Special Exhibition "7th FLEX Japan 2023"
We would like to inform you that we will be exhibiting at the special exhibition "7th FLEX Japan 2023" at SEMICON Japan 2023 from December 13 (Wednesday) to December 15 (Friday). FLEX Japan is the only international exhibition in Japan specializing in FHE (Flexible Hybrid Electronics). It will showcase a variety of the latest thin, lightweight, and bendable flexible electronics, as well as hybrid technologies combining rigid silicon semiconductors. Flexible devices can only be fully appreciated through seeing and touching them, which fosters discussion. We would be grateful if you could stop by the Yamashita Material booth during your visit. [Main Exhibits] - Long-term high-temperature durable FPC - Low-loss FPC - Big Elec (high-current FPC) We understand this is a busy time, but we sincerely look forward to your visit.