If you are having trouble selecting for filtering, grounding, shielding, or thermal measures, please take a look! Comprehensive catalog now available.
The way energy is utilized is gaining attention, and new electrical products such as solar panels and electric vehicles are continuously emerging in our lives. To ensure that these diverse electrical products obtain EMC standards and perform their intended functions, Seiwa Electric has established a comprehensive technical support system that includes not only a wide variety of product sales but also support for countermeasures in an anechoic chamber, technical seminars, and exhibitions, thereby meeting a broad range of needs. This document features a number of noise countermeasure-related products such as gaskets and ferrite cores. Please take a look when making your selections. ★ We are currently offering a free catalog of noise countermeasure-related products such as gaskets and ferrite cores! [Featured Products] - Filtering measures - Grounding measures - Shielding measures - Thermal measures… *For more details, please download the PDF document or feel free to contact us.
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basic information
Products related to noise countermeasures from Seiwa Electric Please use Seiwa Electric's noise countermeasure materials for EMC measures. E01J Automatic mounting finger E02JC Edge finger E01 Finger E02S Gasket Focused on heat resistance, halogen-free and environmentally friendly options Black types, those pursuing conductivity and corrosion resistance, etc. A wide variety available E02F Non-woven fabric gasket E04 Ferrite core Split type, non-split type, for FFC, for FPC, etc. Various variations available E05 Conductive cloth tape E06A Shielding tube E06P Conductive spiral E07S Ground strap E07PU Plating ground strap E08A Ground clamp E08P Resin conductive clamp E09 High transparency shield window E10 Electromagnetic wave control material E10H Electromagnetic wave control material (thermal conductive type) E12 Conductive silicone rubber E13 Metal foil tape and sheet E14 Vibration damping and anti-vibration products E15 Shield duct E18 Thermal conductive sheet *If you would like a catalog or free samples, please let us know.
Price information
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Applications/Examples of results
In a smart house, there are power conditioners, electric vehicles, power supply devices, LED lighting, computers, digital cameras, printers, air conditioners, televisions, tablet PCs, etc. In electric vehicles, there are car navigation systems, meters, etc. In hospitals, there are dialysis machines, MRI machines, fundus examination devices, ultrasound diagnostic devices, bedside monitors, etc. In convenience stores, there are multifunction printers, kiosk terminals, ATMs, POS terminals, microwaves, etc.
Detailed information
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Split Ferrite Core Split Ferrite Core SRM Type Full lineup from low frequency to high frequency range
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Gasket ○ It is a conductive material with cushioning properties. ○ The cushioning properties of the product enable grounding and shielding enhancement through compression. ○ It can be applied to various applications. ○ It can be easily cut with scissors or similar tools, making it excellent in processability and workability, allowing it to be used in various applications and locations.
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Finger ○ The spring characteristics are excellent and highly durable. ○ Various shapes are available, making it suitable for a wide range of applications. ○ Surface treatment (plating) can suppress electrochemical (galvanic) action.
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Automatic implementation finger ○ A wide variety of options are available. ○ Stored in embossed carrier tape, enabling automatic mounting.
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Shield tube The shield tube is a convenient shielding material that can simultaneously provide EMI shielding and protection for cable wires. It has a simple structure made by laminating aluminum foil and an insulating sheet, but it offers high shielding effectiveness and is extremely easy to install.
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Radio Wave Anechoic Chamber To broadly respond to our customers' noise countermeasure requests, we have equipped a radio wave anechoic chamber and shielded room that comply with the 3-meter method as part of our headquarters' experimental facilities. We conduct electromagnetic interference measurements and countermeasures for various devices and systems, including not only our own products but also those from other companies, accumulating know-how for noise countermeasures. (Unwanted radiation measurements have been possible up to 6GHz since 2009.) We also perform immunity measurements and countermeasures for electrostatic discharge, lightning, and other factors.
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E04RVA GPS Band Noise Countermeasure Components for GHz Band Released The GHz Band Ferrite Core "E04RVA" series is a noise countermeasure component designed for automotive devices, automotive harnesses, high-speed processing equipment, and high-speed communication cables that require noise countermeasures and EMS countermeasures in the GPS band (1.5GHz band). It enables noise countermeasures in the vicinity of 1GHz, which could only be addressed through board-level measures in the past, to be implemented as an add-on while maintaining convenience.
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Noise Countermeasure Component: Split Dust Core Released The split dust core "E04SRR" series can address normal mode noise, which is a concern due to magnetic saturation caused by signal currents. It has excellent saturation resistance characteristics and can be used in devices with high currents, such as inverters and power electronics. Additionally, its split design allows for installation after wiring, making it easy to work with. A dust core is a magnetic core made by covering a powder of magnetic material composed of iron and silicon with an insulating coating and compressing it into a solid form. While conventional ferrite cores use magnetic materials primarily composed of iron oxide and are effective for common mode noise countermeasures, we have now added a dust core that is effective for normal mode noise countermeasures to our lineup.
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Noise Countermeasure Components for Radio Noise Band Launch of Enhanced Noise Countermeasure Nano Crystal Core The enhanced noise countermeasure nano crystal core "E04RKH" series is a noise countermeasure component designed for automotive equipment and automotive harnesses that require noise countermeasures and EMS countermeasures in the radio noise band (1MHz band for AM radio and 100MHz band for FM radio). Compared to conventional ferrite cores and nano crystal cores, it improves the characteristics in the radio noise band and achieves miniaturization and weight reduction of the products.
Company information
Hoshia Electric has established itself as a top manufacturer in various business fields, including information display systems such as road information boards, industrial lighting known for its waterproof and explosion-proof features under the name "Water Pearl," tunnel lighting that began with the full-scale installation in the Kanmon Tunnel, and resin products represented by "Cutting Duct." As a new business, we started the electromagnetic noise countermeasure (EMC) product business in 1997 to address electromagnetic noise issues arising from digital devices. In the LED business, we successfully developed a blue light-emitting diode in April 2002 and a white light-emitting diode in December of the same year. Based on these technologies, we are actively expanding our business in the field of LED lighting fixtures, ranging from roads and tunnels to industrial lighting. On March 9, 2018, Hoshia Electric Co., Ltd. was listed on the First Section of the Tokyo Stock Exchange. In April 2022, we transitioned to the Tokyo Stock Exchange Standard Market. Moving forward, we will continue to leverage our unique creativity and technological capabilities cultivated over the years to develop even more innovative products and strive for business expansion. Back to the roots of manufacturing "From the Kyoto to the world"
