- Actron Technology Corporation automotive diodes and voltage regulators
- Aeroflex Microelectronic Solutions
- Alpha Industries now Skyworks Solutions Inc.
- American Microsemiconductor [AMS]
- AMS [American Microsemiconductor]
- ANOVA Technologies Co., Ltd. TVS, Zener & Rectifier diodes
- Anvil Semiconductors Ltd Silicon Carbide (SiC) diodes
- BASiC Semiconductor Ltd. [Shenzhen BASiC Semiconductor Ltd.] SiC power devices, Schottky Diodes, MOSFETs
- Bourns, Inc.
- Bytesonic Corporation
- C&H Technology
- California Micro Devices
- Central Semiconductor Corp.
- CDIL
- CHENMKO
- Compensated Devices [CDI]
• acquired by Microsemi
• Microsemi Corporation acquired by Microchip Technology Inc.
- Cree LED LEDs
• Power and RF Business rebranded as Wolfspeed Inc.
- Cristalonics
- DC Components Co., Ltd.
- Dean Technology, Inc. high voltage diodes
- Digitron Semiconductors diodes
- Diodes, Inc.
- Dionics, Inc.
- Diotec
• check Diotec too! • acquired by Semikron
- EDI [Electronic Devices, Inc.]
- EIC Semiconductors, Inc.
- Emcore
- Eris Technology Corporation
- eupec
- Excelliance MOS Corporation
- Fagor Electronica
- FCI
- Formosa MicroSemi Co., Ltd.
- Foton
- Frontier Electronics
- Fuji Semiconductor Inc.
- G.P.S. Green Power Semiconductors SpA
• now GPS Green Power Solutions Srl
- General Semiconductor
• acquired by Vishay Intertechnology Inc.
- GOOD-ARK Electronics Co., Ltd.
- Goodwork Semiconductor Co., Ltd.
- GPS Green Power Solutions Srl
- Guangdong Shikueswei Industrial Co., Ltd. [Shikues] diodes, TVS, schottky rectifier, transistors, MOSFETs, voltage regulators
- Gulf Semiconductor Ltd.
- HV Component Assoc
- HY ELECTRONIC (CAYMAN) LIMITED, TAIWAN [HYE]
- HY Technology
- HYE [HY ELECTRONIC (CAYMAN) LIMITED, TAIWAN]
- Infinex [owned by Flex Ltd.]
- INSEL Rectifiers India Pvt. Ltd.
- International Semiconductor Inc. [ISI] diodes
• the company has ceased its operation
- ISI [International Semiconductor Inc.]
• the company has ceased its operation
- Jinan Gude Electronic Device Co.
- Jinan Huaxi Semiconductor Co., Ltd.
- Jinan Jifu Semiconductor Co., Ltd.
- KEC
- Knox Semiconductor Inc.
- Lamina Semiconductors International Ltd. diodes
- Lite-On Semiconductor Corporation rectifiers, diodes
• acquired by Diodes Inc.
- Littlefuse
- Luminious Sales International [LSI] rectifiers, diode & thyristor modules
- MCC [Micro Commercial Components Corporation]
- MDE Semiconductors [Micro Device Electronics Inc.] diodes
- MDT [Microwave Device Technology] GaAs & Si diodes, varactors, hyperabrupt varactors, PINs, Gunns, Schottky's and IMPATTs
• acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- MEI Semi Co., Ltd. diodes, transistors
- Metelics diodes, varactors, MIS capacitors
• a subsidiary of Aeroflex Microelectronic Solutions
- Micrometrics
• a subsidiary of Aeroflex Microelectronic Solutions
- Microwave Device Technology [MDT] GaAs & Si diodes, varactors, hyperabrupt varactors, PINs, Gunns, Schottky's and IMPATTs
• acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- Monolith Semiconductor Inc. SIC schottky Diodes, SIC MOSFETs
• acquired by Littlefuse
- MOSPEC
- Mpulse Microwave
- Naina Semiconductor Limited
- NEC Semiconductors USA
• now Renesas Electronics Corporation
- NEC Japan
- NES [New England Semiconductor]
• acquired by Microsemi
• Microsemi Corporation acquired by Microchip Technology Inc.
- Nexperia transistors, diodes, logic and MOSFETs devices
- NIEC [Nihon Inter Electronics Corporation] japaneese only!
• check Nihon Inter Electronics Corporation too!
- Nihon Inter Electronics Corporation [NIEC] japaneese only!
• check Nihon Inter Electronics Corporation too!
- Noise Com Inc.
- NTE Electronics
- NXP Semiconductors
- ON Semiconductor
- Opto Tech Corporation [OPTOTECH] LED & silicon sensor chips
• check Opto Tech Corporation (China) too!
- Panjit
- Paceleader Industrial. Co., Ltd.
- Phenitec Semiconductor Corp. (Japaneese only)
- Philips
• now NXP Semiconductors
- Photron Semiconductor Corp.
- Power Intergration Inc.
- Powerex
- PPC
- PREOBRAZOVATEL
- PROMAX-JOHNTON CORP.
- Pulse Microwave
- Qspeed Semiconductor
• acquired by Power Intergration Inc.
- Rectron
- Rising-Sun Co. [Shaoxing]
- Rohm Semiconductor Inc.
• or Rohm Semiconductor Inc. [Japan] too!
• Multilayer Ceramic Capacitor Product Lines acquired by Murata [Japan]
- Ruttonsha International Rectifier Ltd.
- Sangdest Microelectronic (Nanjing) Co., Ltd. [SMC Diode Solutions Co., Ltd.] diodes, TVS arrays, silicon carbide schottky rectifier
- Sanyo Semiconductor
• acquired by ON Semiconductor
- Semikron
- Shaoxing Rising-Sun Co.
- Shenzhen BASiC Semiconductor Ltd. [BASiC Semiconductor Ltd.] SiC power devices, Schottky Diodes, MOSFETs
- Shenzhen Yangjingwei Electronics Co., Ltd. diodes, transistors, scr, mosfets
- Shenzhen Ying Feng Optoelectronics Co., Ltd. [Ying Feng Optoelectronics] LEDs including Infrared & Ultraviolet diodes
- Shikues [Guangdong Shikueswei Industrial Co., Ltd.] diodes, TVS, schottky rectifier, transistors, MOSFETs, voltage regulators
- Shindengen Japan
• check Shindengen USA • or Shindengen UK too!
- Silicon Power Cube [SPC]
• acquired by Crydom Corporation • a member of Custom Sensors & Technologies [CST]
- SILICON POWER ELECTRONICS
- Silicon Wireless
- Skyworks Solutions Inc.
- SMC Diode Solutions Co., Ltd. [Sangdest Microelectronic (Nanjing) Co., Ltd.]
- Suntan Technology Company Limited
- Surge Components
- Sussex Semiconductor
- Suzhou GOOD-ARK Electronics Co., Ltd.
- SynSemi Inc.
- Taitron Components
- Taiwan GPP Inc. [TGI] Diodes
- Taiwan Semiconductors [TSC]
- Telefunken/Vishay
• check Vishay Intertechnology Inc. too!
- TGI [Taiwan GPP Inc.] Diodes
- Tianjin Zhong-Huan Semiconductor Corp.
- Torex
- Transphorm Inc.
- Transys Electronics
- United Silicon Carbide Inc. [UnitedSiC] SiC FETs, SiC JFETs, schottky diodes, custom SiC
- UnitedSiC [United Silicon Carbide Inc.] SiC FETs, SiC JFETs, schottky diodes, custom SiC
- Velox Semiconductors Gallium Nitride (GaN) diodes
- Vishay Intertechnology Inc.
• check Diodes Incorporated (former Lite-On) for diodes too!
- Voltage Multipliers [VMI]
- Wei Yeu Electronics Co.
- Westcode Semiconductor
• acquired by IXYS Corp.
• IXYS Corp. acquired by Littlefuse Inc.
- Wolfspeed Inc. SiC and GaN Power, RF technologies
- Ying Feng Optoelectronics [Shenzhen Ying Feng Optoelectronics Co., Ltd. ] LEDs including Infrared & Ultraviolet diodes
- Yiow Chie Industrial Co., Ltd.
- Zetex
• acquired by Diodes Inc.
- Zhonghuan Semiconductor Corporation
- Zowie Technology Corp.
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