セイワ List of Products and Services

Optosupply is an LED manufacturer based in Hong Kong. This time, we are introducing a newly released square type ultra-bright LED. < Super Deluxe Power Flux LED> (1) OS5RKAZ141P 【Specifications】 - Emission color: Red - Lens: Water clear (colorless and transparent) - Dimensions: 7.62mm × 7.62mm - Operating voltage: 2.5-2.9V - Luminance: 14,400-18,000mcd - Viewing angle: 40° - Wavelength: 620-630nm - Condition IF: 70mA (2) OSG59LZ141P 【Specifications】 - Emission color: Green - Lens: Water clear (colorless and transparent) - Dimensions: 7.62mm × 7.62mm - Operating voltage: 2.8-3.6V - Luminance: 22,000-25,000mcd - Viewing angle: 40° - Wavelength: 625nm - Condition IF: 70mA We also have color variations in white, yellow, and blue, so you can purchase the color that suits your application.

Amid the ongoing delays due to parts shortages, we recommend considering the replacement with BOURNS' chip ferrite beads and EMI/RFI filters, which can be delivered in a short period. We also have a wide range of equivalent products from other manufacturers, making it easy to consider a smooth replacement! (Please refer to the downloadable material "Equivalent Product Quick Reference.") In addition, BOURNS offers a variety of components, including protective parts, so we encourage you to consider BOURNS products during this opportunity. (For more details, please see the downloadable material "Company Overview.")

Oasis Tech is the first company in Taiwan to provide LED-related products to major Japanese manufacturers. It is an LED manufacturer with sales achievements in many countries, including the United States and Europe. 【Bullet-type LED】 We offer a variety of sizes and emission angles, including 3mm, 5mm, round, concave, oval, rectangular, and super flux LED lamps in various color variations! 【SMD LED】 These can be used in a wide range of applications, such as residential lighting, indoor equipment panels, and backlight sources for mobile phones. 【7-Segment LED/SMD Type】 We can accommodate sizes from 0.2 to 7 inches, meeting diverse demands for home appliance sizes and medical displays. Equipped with a unique special "black mirror/mirror panel screen"◎ With a wide range of products available, we also have alternatives to products from domestic and international manufacturers, so please feel free to contact us when replacement is needed due to EOL, etc. Not only do we offer products from our brochure, but we can also accommodate custom products.

We would like to introduce products from BOURNS, a company with production bases around the world and relatively stable delivery times. Since its establishment in 1947, BOURNS has continued to develop a wide variety of electronic components in response to market needs, providing products for a broad range of markets including telecommunications, computers, industrial equipment, automotive, home appliances, medical devices, and audio. You can view a carefully selected Japanese version catalog of popular BOURNS products by downloading the PDF. We also offer a printed version for those who are interested! Please feel free to contact us. 【Featured Products (Excerpt)】 ■ Self-resetting overcurrent protection devices ■ Single fuses ■ Mini circuit breakers ■ High-voltage current switches ■ Gas discharge tubes ■ Hybrid overvoltage protection components ■ TVS diodes ■ Potentiometers ■ Power inductors ■ Sensors and controllers ■ Current sensing resistors 【Table of Contents (Excerpt)】 - Selection guide for various products - Examples of suitable protection circuits by interface - Product proposals for power circuits and communication circuits, from primary to secondary side by block - Cross-reference for various components

Optosupply is an LED manufacturer based in Hong Kong. This time, we would like to introduce our newly released high-power LED (OSV1XDE5E). With a wavelength of 365nm and a power output reaching 1300mW, it features top-level luminous flux and high energy efficiency. It also excels in UV resistance and can be widely used in industrial applications such as currency detectors, UV curing sensor lights, and photocatalysts. 【Features】 ◎ Top-level luminous flux ◎ High energy efficiency ◎ Excellent UV resistance 【Applications】 Currency detectors UV curing Sensor lights Photocatalysts Other lighting, etc. *Suitable for use only in industrial applications. If you have any questions or requests, please feel free to contact us.

Potens is a Taiwan-based fabless manufacturer established in September 2012. We develop power semiconductor products, offering a wide range from 10V to 1500V voltage ratings. <10V to 100V rated MOSFETs> We have over 300 varieties, primarily focusing on CSP MOSFETs and Double Trench structure MOSFETs. <100V to 1000V rated> We offer over 500 varieties, including Double Trench structure MOSFETs, IGBTs, GaN, Super Junctions, and also have SiC SBDs. <Above 1000V rated> We have over 100 varieties, primarily focusing on SiC. We also have products that can serve as alternatives to those from domestic and international manufacturers, so please feel free to contact us if you need replacements due to EOL or other reasons.

POTENS is a Taiwan-based fabless power semiconductor manufacturer established in 2012. We offer a wide range of high-quality products, including those with a proven track record in automotive applications. This time, we have created a cross-reference for products with high voltage ratings ranging from 600V to 1500V. Please feel free to download it and use it for new or alternative product considerations, EOL consultations, second source preparations, and delivery time measures. In addition to the products listed in the cross-reference, we also offer the following products: <10V to 100V rated MOSFETs> We have over 300 varieties, mainly focusing on CSP MOSFETs and Double Trench structure MOSFETs. <100V to 1000V rated products> We have over 500 varieties, including Double Trench structure MOSFETs, IGBTs, GaN, Super Junctions, and also SiC SBDs. <Products rated above 1000V> We have over 100 varieties, primarily focusing on SiC. *You can check the cross-reference from the "PDF Download" link below. *Please contact us if you would like to request samples.

Optosupply is an LED manufacturer based in Hong Kong. This time, we introduce a two-color flashing bullet-type LED (OSXXXF5A31A). It consists of the same color or two different colors and flashes alternately at 1.5Hz. 【Features】 High brightness LED UV-resistant epoxy Water clear type Two-color flashing type 【Absolute Maximum Ratings】 ■ Power Supply (Voltage): 5 V ■ Duty Cycle (Duty): 1/2 ■ Operating Temperature (Topr): -30 ~ +85 ℃ ■ Storage Temperature (Tstg): -40 ~ +100 ℃ ■ Reflow solder peak temperature (Tsol): 260℃/5sec 【Applications】 Toys and games Audio, etc. If you have any questions or requests, please feel free to contact us.

Bourns has released a new surface mount type DNF package PTVS. It is designed to provide surge protection against induced lightning for applications such as lightning strikes, PoE, BBU, RRU, and high-power DC power supplies. It adopts the industry's first compact DFN package (8mm x 6mm x 2.5mm), significantly reducing the mounting space without compromising protection levels. ■ Features Surge current rating of 12kA, surge capability of 8/20 μs (PTVS2) Surge current rating of 1kA, surge capability of 8/20 μs (PTVS1) Repeated stand-off voltage: 22V to 86V Bidirectional TVS Low clamp voltage under surge Excellent performance across the entire temperature range Surface mount (8 mm x 6 mm x 2.5 mm) RoHS compliant, halogen-free For sample requests, please feel free to contact our authorized distributor, Seiwa.

BOURNS has released an IGBT that combines a gate input with a MOS structure and a bipolar power transistor functioning as an output switch. By adopting TGFS technology, it achieves operational characteristics that reduce the collector-emitter saturation voltage V CE(sat) and minimize switching losses. For sample requests, please feel free to contact Seiwa, the authorized distributor.

Optosupply is an LED manufacturer based in Hong Kong, established in 2001. We can also discuss cost reduction and short delivery times, so please download our materials and utilize them for new product considerations, alternative products, and delivery time measures. <Bullet Type - Tower Type OSXXXX7311F Series> - High brightness and compact LED - Standard beam angle of 1.8mm tower type - UV-resistant epoxy - Operating current: 1-20mA - Water clear type - Model numbers & colors: OSR5PA7311F Red OSO5PA7311F Orange OSY5PA7311F Yellow OSB5DA7311F Blue OSG58A7311F Pure Green OSW54K7311F White OSM54K7311F Warm White <Additionally, we have a wide range of chip-type and 7-segment products, including many equivalents to discontinued domestic manufacturer products.> *For more details, please check the "PDF Download" below. *If you would like samples, please contact us.

This product, developed using Bourns' unique advanced computer simulation technology, is designed to handle the industry's highest level of maximum impulse voltage. It protects circuits from overvoltage with a current rating of 14kA, high-speed response, and a wide temperature range. Its compact size of φ5mm × 7.2mm features a unique coplanarity fit, achieving space reduction and reliable mounting. It is available in four voltage ratings: 75V, 90V, 350V, and 600V. The GDT35 series can replace the Bourns 2036-SM GDT series. 【Specifications】 Dimensions (Diameter × Height mm): 5 × 7.2 Operating Temperature Range: -55℃ to +125℃ Capacitance: 0.7pF DC Breakdown Voltage Range V: 75-600 Nominal 8/20μs Impulse: 14kA@8/20us Maximum 8x20µs Impulse: 20kA@8/20us For quotes and sample requests, please feel free to contact Seiwa, the authorized distributor of Bourns.

Advanced power components are ideal for applications such as converters that require high peak forward surge capability, low forward voltage drop, reduced thermal resistance, and minimized power loss. They achieve high efficiency. SiC Schottky barrier diodes can be used in high-voltage power applications due to their ability to reduce losses and miniaturize components while maintaining high speed and high voltage resistance. ◇ Features - Low power loss, high efficiency - Low reverse leakage current - High peak forward surge current capability (IFSM) - Reduced EMI - Maximum operating TJ up to 175 °C - UL 94V-0 compliant - RoHS compliant, lead-free, halogen-free Available in multiple packages. Suitable for high-frequency switching power supplies. - TO220-2 - TO247-3 - TO252 - DFN8x8

The GDT2xxE series features a slim design, achieving space-saving implementation. It offers high surge capacity with a wide range of DC breakdown voltages and 8/20μs waveform ratings. 【Features】 - Fast response speed - Wide temperature range - High surge current rating - Low capacitance and insertion loss - Stable performance - Compact surface mount package - RoHS compliant For additional product characteristics, please refer to the downloadable materials. For quotes and sample requests, please contact the authorized distributor, Seiwa.

BOURNS has released an IGBT that combines a MOS structure gate input with a bipolar power transistor functioning as an output switch. By adopting TGFS technology, it achieves operational characteristics that reduce the collector-emitter saturation voltage V CE(sat) and minimize switching losses. <Features> - Discrete IGBT integrated with FRD - Advanced Trench Gate Field Stop (TGFS) technology - Low saturation voltage drop (V CE(sat)) - Low switching losses - TO252, TO247, TO247N packages - RoHS compliant - JEDEC standard compliant For sample requests, please feel free to contact our authorized distributor, Seiwa.

Bourns has extensive experience in the design, construction, and supply of reliable AEC-Q200 compliant electronic components. Bourns offers a variety of power inductors to reduce core losses during voltage conversion. Furthermore, Bourns standard electronic components approved for general automotive applications are manufactured in facilities that are fully certified to IATF 16949, tested and certified using the AEC-Q product validation standards for passive components, and provided to customers with selection and approval using PPAP. Bourns automotive-grade power inductors are designed and developed to comply with AEC-Q200. The development of our new products and processes meets or exceeds the requirements established by the latest AIAG revision of the Advanced Product Quality Planning (APQP) process. Bourns has a long history of providing high-quality power inductors that meet the board-level requirements for many automotive applications in the automotive market.

The COTO Technology lead relay, the 5500 series, features high voltage resistance and high rated power, achieving long lifespan through tungsten contacts. It is an ideal product for industrial equipment that uses high voltage, such as medical devices, insulation withstand voltage testing machines, and cable testing equipment. Custom packaging and lead forms are also available. Thanks to COTO's unique technology, it enables hot switching of high-voltage pulses, making it suitable for atrial fibrillation treatment devices (pulse field ablation, PFA).