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	[....] - foundation year      - link: company's data (in Russian)      - link: what happend to this site?      - link: company's portrait (in Russian)	Use Ctrl-F for fast search The colors relate to companies: IDM FABLESS FOUNDRY RIP				disti in Russia & nearby States (as before 24-Feb-2022) (as after 24-Feb-2022}
a
	ABB SEMICONDUCTORS [1988]	High Power Diodes, IGBTs, GTOs, PCTc, BCTs, Thyristors			REP
	ADVANCED POWER ELECTRONICS [1998]	MOSFETs, IGBTs
	ADVANCED POWER TECHNOLOGY [1984] {acquired by Microsemi in 2005}	Power MOSFETs, UF & Schottky Diodes
	ADVANCED SEMICONDUCTOR [1979]	RF Power Transistors				MOUSER
	AEROFLEX [1937] {part of Cobham from 2014}	RadHard Discretes
	ALPHA & OMEGA SEMICONDUCTOR [2000]	MOSFETs, TVSs
	ALPHA INDUSTRIES [1962] {see Skyworks Solutions from 2002}	PIN Diodes, GaAs FETs, PHEMTs
	AMPLEON [2015] {spun-off from NXP}	RF LDMOS & GaN Transistors				ARROW AVNET SILICA EBV DIGI-KEY VISSA
	ANALOGICTECH [1998] {acquired by Skyworks in 2011}	MOSFETs
	ANGSTREM [1963]	IGBTs				GOLDEN GLOBE RADIANT RSP
	ANPEC ELECTRONICS [1997]	MOSFETs
	APD SEMICONDUCTOR [2000] {acqiured by Diodes in 2006}	SBR Schottky Diodes
	APEI [1997] {acquired by Cree in 2015}	SiC Power Modules
	ASC SEMICONDUCTORS [1988]	Diodes
	AVAGO TECHNOLOGIES [2005]  {H-P Semiconductor Div. before 2006} {former Agilent Technologies (SPG)} {merged with Broadcom in 2015} {rebrended to Broadcom Limited in 2016}	UHF Discretes
b
	BKC SEMICONDUCTOR [1985] {acquired by Microsemi in 1998}	Diodes, Zener Diodes
	BOSCH [1886]	Diodes				FUTURE RUTRONIK
	BYD SEMICONDUCTOR [2004] {formerly Shenzhen BYD Microelectronics }	Automotive MOSFETs & IGBTs
	BYTESONIC ELECTRONICS [1984]	Diodes, Rectifiers
c
	CALY TECHNOLOGIES [2014]	SiC Schottky Diodes & Current Limiting Devices
	CAMBRIDGE GAN DEVICES [2016]	GaN HEMTs
	CENTRAL SEMICONDUCTOR [2014]	Bipolar & MOSFET Transistors, JFETs, Diodes, Rectifiers, Triacs				DIGI-KEY FUTURE MOUSER
	CET-MOS [1984]	MOSFETs				RADIOTECH
	CHANGJING ELECTRONICS TECHNOLOGY [2018]	Bipolar Transistors, MOSFETs, Diodes
	CHELTON TELECOM & MICROWAVE [2004] {avionics division of Cobham}	RF Diodes
	CICLON SEMICONDUCTOR DEVICE [2004] {acquired by Texas Instruments in 2009}	MOSFETs & RF LDMOS
	CLIFTON SEMICONDUCTOR [2000] {filed for bankruptcy in 2016}	GaAs Rectifier Diodes
	COBHAM ADVANCED ELECTRONIC SOLUTIONS [1934]	GaN Discretes
	COMCHIP TECHNOLOGY [2000]	smd Diodes, TVSs
	COMPENSATED DEVICES [1974] {acquired by Microsemi in 2001}	Diodes, Rectifiers
	CONCORD SEMICONDUCTOR [????] {acquired by Littelfuse in 2006}	TVS Diodes
	CONTINENTAL DEVICE INDIA [1864]	Diodes, Bipolar Transistors
	COOLAUDIO [1990]	Transistors
	CREE [1987]  {see Wolfspeed from 2021}	SiC MOSFETs & Schottky Diodes, GaN HEMTs				ARROW COMPEL DIGI-KEY MACRO GROUP MOUSER RICHARDSON RFPD
	CRYSTALONICS [1958]	Diodes, Bipolar & JFET Transistors
	CYSTECH ELECTRONICS [2002]	Diodes, Bipolar Transistors, MOSFETs				PLATAN
d
	DACO SEMICONDUCTOR [1994]	SiC MOSFETs, IGBTs
	DAWIN ELECTRONICS [2001] {acquired by Magnachip in 2012}	IGBT & MOSFET Modules, Thyristors, Rectifiers
	DC COMPONENTS [1992]	Diode Rectifiers, Bridge Rectifiers
	DEAN TECHNOLOGY [1989]	HV Diodes				BETRONIK
	DIODES [1959]	Schottky &Zener Diodes, TVSs, Bipolar Transistors, MOSFETs				ARROW AVNET SILICA FARNELL MOUSER RUTRONIK
	DIOTEC SEMICONDUCTOR [1973] {part of Semikron in 1999-2001}	Diodes, Rectifier Bridges, Transistors, MOSFETs			REP	ELGERTA ELTECH GAMMA-SPb PT ELECTRONICS RCOMP-VP RUTRONIK
	DIRECTED ENERGY [1987] {acquired by Ixys in 2000} {particial managment buyuot in 2018} {acquired by Berkely Nucleonics in 2021}	RF MOSFETs
	DISCRETE SEMICONDUCTOR INDUSTRIES [1985]	Diodes, Transistors, Thyristors
	DYNEX SEMICONDUCTOR [1956] {acquired by CRRC in 2008}	Thyristors, GTOs, IGBTs
e
	EFFICIENT POWER CONVERSION [2007]	GaN Transistors				DIGI-KEY
	EIC SEMICONDUCTOR [1984]	Rectifier Diodes
	ELECTROVIPRYAMITEL [1941]	IGBTs, Thyristors, Triacs, Diodes
	ERIS TECHNOLOGY [1995]	Diodes, Schottky Diodes, Zener Diodes, TVS, MOSFET
	EUPEC [1990] {JV of Siemens and AEG} {merged with Infineon in 2006}	Power Semiconductors
	EXCELICS SEMICONDUCTOR [1995] {see IC Valley now}	FETs				MACRO GROUP
	EXICON [1993]	Audio MOSFETs
f
	FAGOR ELECTRONICA [1966]	Diodes, Zeners, TVSs, Thyristors				ARROW
	FAIRCHILD SEMICONDUCTOR [1957] {acquired by ON Semi in 2015}	JFETs, MOSFETs, Diodes
	FILTRONIC SOLID STATE [1977] {acquired by Teledyne Technologies in 2004} {acquired by RFMD in 2007}	Gunn Diodes, FETs
	FIRST SENSOR [1993] {acquired by TE Connectivity in 2020}	Space Grade Power MOSFETs & HV Diodes
	FORCE-MOS TECHNOLOGY [2006]	Diodes, Transistors, TVS
	FUJI SEMICONDUCTOR [1923] {JV between Siemens and Furukawa Electric}	Diodes, MOSFET's, IGBT's
	FUJITSU MICROELECTRONICS [1935]	MOSFETs				ATeG-INELTEK EBV RUTRONIK
	FUJITSU COMPOUND SEMICONDUCTOR	GaAs FETs, Lasers, Photodiodes
	FULTEC SEMICONDUCTOR [2001] {acquired by Bourns in 2008}	Surge Protectors
	FUXIN JIALONG ELECTRONICS [1965]	Diodes, Thyristors
g
	GALAXY SEMICONDUCTOR [1964]	Diodes, Rectifiers, Transistors
	GAN SYSTEMS [2008] {acquired by Infineon in 2023}	GaN Transistors				ARROW MOUSER
	GENERAL SEMICONDUCTOR [1960] {spun-off from General Instruments in 1997} {acquired by Vishay in 2001}	Schottky & Zener Diodes, TVSs
	GENESIC SEMICONDUCTOR [2002] {acquired by Navitas in 2022}	SiC Diodes, Transistors		@.RU		ARROW DIGI-KEY MOUSER
	GENTRON [????] {acquired by Teledyne Relays in 1996}	MOSFET & IGBT Modules
	GHZ TECHNOLOGY [1991] {acquired by Advanced Power Technology in 2001}	RF & MW Power Transistors
	GLOBAL POWER TECHNOLOGY [2011]	SiC Schottky Diodes
	GOOD-ARK [1990]	Diodes, Rectifiers
	GREAT WALL SEMICONDUCTOR [2002] {acquired by Intersil in 2015}	MOSFETs
	GREEN POWER SEMICONDUCTORS [1998]	Power Diodes, Thyristors, Voltage Suppresors
h
	HEXAWAVE [1991]	GaAs MESFETs
	HITACHI POWER SEMICONUCTORS DEVICE [2013] {spun-off from Hitachi} {acquired by Minebea Mitsumi in 2023}	MOSFETs, IGBTs, Diodes			REP	MT SYSTEMS
	HIVRON [2003]	Power Modules: Diodes, MOSFETs, IGBTs
	HOTTECH SEMICONDUCTOR [1992]	Diodes, Transistors
	HSIN SEMICONDUCTOR [1984]	Bipolar Transistors, TRIACs
	HSMC [????]	Diodes, Transistors
	HUAYUE MICROELECTRONICS [1997]	Diodes, Transistors
	HUAJING RECTIFIER [1992]	Diodes, Thyristors, SSRs
	HUTSON INDUSTRIES [1965]  {stopped operations in 2015}	DIACs, SCRs, TRIACs
	HV COMPONENT ASSOCIATES [1962] {acquired by Dean Technology in 1989}	HV Diodes				BETRONIK
	HY ELECTRONICS [1984]	Diodes, Rectifiers, MOSFETs
i
	INCHARGE SEMICONDUCTOR [1991]	Power Transistors, Diodes, Thyristors
	INFINEON TECHNOLOGIES [1999]   {former Siemens Semiconductor}	MOSFETs & IGBTs			REP	ARROW COMPEL DIGI-KEY EBV FARNELL MOUSER RS RUTRONIK SYMMETRON TME var: EFO
	INNOSCIENCE [2015]	GaN HEMTs
	INTEGRA TECHNOLOGIES [1983]	Microwave & RF Power Transistors				DIGI-KEY
	INTERFET [1982]	JFETs				MOUSER
	INTERNATIONAL RECTIFIER [1947]   {Power Control business purchased by Vishay in 2006} {acquired by Infineon in 2014}	MOSFETs, IGBTs, Power Diodes				ARROW AVNET SILICA EBV EFO RUTRONIK SYMMETRON
	INTERSIL [1967]  {former Harris Semiconductor} {"discrets" acquired by Fairchild in 2001} {acquired by Renesas in 2016}	MOSFETs, Diodes				AVNET SILICA DIGI-KEY FARNELL FUTURE MOUSER RUTRONIK var: ALKON MT-SYSTEM PLANAR
	ISAHAYA ELECTRONICS [1973]	Transistors, Diodes, IGBT-Drivers
	IXYS [1983]  {acquired by Littelfuse in 2017}	MOSFETs, IGBTs, FREDs, Power Modules			REP	ARROW ELTECH MT-SYSTEM SEA
k
	KEC	Transistors, Diodes, FETs, Thyristors
	KIA SEMICONDUCTOR [2005]	MOSFETs, Diodes
	KINGTRONICS [1990]	Diodes & Transistors				AURUM BIAKOM DIK-TRADE MARS COMPONENT PLATAN
	KNOX SEMICONDUCTOR [1974]  {semi-business acqired by Micrometrics in 2005} {part of Aeroflex from 2007}	HiRel Diodes
l
	LEAPERS SEMICONDUCTOR [2019]	SiC & IGBT Modules
	LESHAN RADIO COMPANY [1971]	Diodes, Transistors, Bridge Rectifiers
	LGE [2002]	Diodes, Bipolar & MOS Transistors
	LINEAR SYSTEMS [1986]	Small Signal Discretes, Low Leakage Diodes, Transistors				FINTRONICS
	LITE-ON SEMICONDUCTOR [1990] {acquired by Diodes in 2019}	Diodes, Rectifiers, TVSs
	LUNSURE ELECTRONIC [2003]	Diodes, Bridge Rectifiers
	LZG ELECTRONICS [2005]	Bipolar & MOS Transistors, Diodes
m
	MACMIC SCIENCE & TECHNOLOGY [2006]	MOSFETs, IGBTs, Power Modules
	MACOM [1950] {acquired by AMP from 1981} {part of Tyco from 1999} {acquired by Cobham in 2008} {acquired by John Ocampo in 2009}	RF Power Transistors & Modules			REP	MOUSER RICHARDSON RFPD PT ELECTRONICS
	MAGEPOWER SEMICONDUCTOR {bankruptcy in 2005}	MOSFETs
	MAGNACHIP [2004] {spin-off from Hynix in 2004} {acquired by Wise Road Capital in 2021}	MOSFET & IGBT Transistors
	MASSACHUSETTS BAY TECHNOLOGIES [1999]	RF Diodes
	MATSUKI ELECTRIC [1958]	Diodes, MOSFETs
	MAXPOWER SEMICONDUCTOR [2007] {acquired by Vishay in 2022}	Power MOSFETs
	MDE SEMICONDUCTOR [1987]	Thyristors, TVSs, Varistors
	METELICS [2003] {part of Aeroflex}	RF & PIN & Tunnel Diodes
	MICRO COMMERCIAL COMPONENTS [1991]	Diodes, Transistors, Surge Protectors				ARROW DIGI-KEY FUTURE MOUSER
	MICRO ELECTRONICS	Diodes, Bipolar Transistors
	MICRODIODE ELECTRONICS [2008]	Diodes, Bipolar Transistors, MOSFETs				RU ELECTRONICS
	MICROGAN [2002] {out of business from 2019}	GaN Diodes&Transistors
	MICROMETRICS [1986] {acqired by Aeroflex in 2007}	RF/MW Diodes
	MICROSEMI [1960]  {acquired by Microchip in 2018}	Diodes, Zeners, Bipolar Transistors, MOSFETs				AVNET SILICA QUEST VD MAIS YE
	MICROWAVE TECHNOLOGY [1982] {acquired by Ixys in 2003} {repurchased from Littelfuse by ex-owners in 2019} {acquired by CML Micro in 2023}	GaAs & GaN FETs, Gunn Diodes				CARO DIGI-KEY SEA RFMW
	MINEBEA MITSUMI [1951]	MOSFETs & IGBTs
	MINI-CIRCUITS [1968]	RF Diodes				YE
	MITSUBISHI ELECTRIC SEMICONDUCTORS [1921]	MOSFETs & IGBTs				DACPOL EFO PLATAN SYMMETRON
	MONOLITH SEMICONDUCTOR [2013] {acquired by Littelfuse in 2018}	SiC Diodes & MOSFETs
	MOSEL-VITELIC [1991] {merger of Mosel Electronics and Vitelic}	MOSFETs & IGBTs, FREDs
	MOSPEC SEMICONDUCTORS [1987]	Power Discretes
	MOTOROLA [1928] {spun-off On Semi in 1999 and Freescale in 2003}	RF Transistors, Diodes
	MOXTEK [1986]	JFET Transistors
n
	NAINA SEMICONDUCTOR [1988]	Diodes, Bipolar Transistors
	NAVITAS SEMICONDUCTOR [2014]	GaN FETs				DIGI-KEY
	NEC ELECTRONICS [2002] {subsidiary of NEC Corp.} {merged with Renesas in 2010}	Bipolar & FET Transistors, Diodes
	NEWPORT WAFER FAB [2017] {built by Inmos in 1982} {belonged later to STM, IR and Infineon} {acquired by Nexperia in 2021}	Compound Discretes Foundry
	NEXPERIA [2017] {spun-off from NXP in 2016}	Diodes, Bipolar Transistors, MOSFETs, TVSs				ARROW AVNET SILICA DIGI-KEY EBV FARNELL MOUSER
	NIHON INTER ELECTRONICS [1957] {acquired by Kyocera in 2015}	Diodes, Thyristors
	NIKO SEMICONDUCTOR [1998]	MOSFETs, SiC Diodes
	NOLETEC [2011]	GaN Transistors				MACRO GROUP
	NORTHROP GRUMMAN [1994] {merger of Northrop and Grumman}	HiRel RF Transistors
	NXP SEMICONDUCTORS [2006]   {spun-off from Philips Semiconductors in 2006}	Diodes, Bipolar Transistors, MOSFETs, Thyristors		@.RU	REP	ARROW AVNET SILICA EBV FARNELL GAMMA-SPb MOUSER SYMMETRON VISSA
o
	ODYSSEY SEMICONDUCTOR [2019]	Vertical GaN FETs
	OKI SEMICONDUCTOR	MOSFETs			REP
	OMNIREL [1985] {subsideary of Zing from 1991} {acquired by IR in 2000}	MOSFETs, IGBTs, Schottky Diodes
	ON SEMICONDUCTOR [1999]   {spun-off from Motorola in 1999}	Diodes, Transistors, Thyristors				ARROW AVNET SILICA DIGI-KEY EBV FARNELL FRAMOS MOUSER MT-SYSTEM
p
	PANJIT [1986]	Diodes, Rectifiers, Schottky & Zener Diodes, TVSs
	PEAK DEVICES [2000] {acquired by Triquint Semiconductor in 2007}	RF Bipolar & LDMOS Transistors
	PHILIPS SEMICONDUCTORS [1953] {see NXP Semiconductors from 2006}	Bipolar Transistors, MOSFETs, Thyristors
	PLANETA [1960]	RF Diodes & Transistors, Thyristors
	POLOVODICE [1964] {acquired by ABB in 2010}	Power Modules, Diodes
	POLYFET RF DEVICES [1988]	RF Power MOSFETs		@.RU		RADIOCOMP
	POSEICO [2001]	Diodes, Thyristors, IGBTs
	POWDEC [2001]	GaN FET Transistors
	POWER INNOVATIONS [1997] {management buyout from TI} {acquired by Bourns in 2000}	Bipolar Transistors, Protection Diodes
	POWEREX [1986] {JV of General Electric and Mitsubishi Electric}	Power Darlingtons, IGBT & MOSFET Modules
	POWERSEM [1985]	Power Modules
	POWERTECH [1968]	Power Bipolar Transistors
	PROTEK DEVICES [1992]	TVSs				ARROW
	PROTON-ELECTROTEX [1996]	Diodes, Thyristors
q
	QPT [2019]	Power GaN Modules
r
	RECTRON [1976]	Diodes, Rectifiers, TVS's, Zeners				YE
	RFHIC [1999]	GaN-on-SiC Transistors				PROSOFT
	ROHM SEMICONDUCTOR [1958]	Digital Transistors, Diodes, MOSFETs			REP	AVNET ABACUS AVNET SILICA DIGI-KEY FARNELL FUTURE GAMMA SPb MOUSER RUTRONIK SYMMETRON
s
	SAMHOP MICROELECTRONICS [1992]	MOSFETs
	SAMWIN [2008]	Diodes, MOSFETs
	SANKEN ELECTRIC [1946]	Diodes, Bipolar & MOSFET Transistors
	SANREX [1982] {subsidary of Sansha Electric}	Power Semiconductors
	SANYO SEMICONDUCTOR [1947]  {acquired by ON Semi in 2010}	MOSFETs
	SAVANTIC ELECTRONICS [????]	Bipolar Transistors
	SCOMES [1954]	Power Modules				SYMMETRON
	SECOS [1998]	Diodes, Transistors
	SEMELAB [1972] {acquired by TT Electronics in 2008}	RF MOSFETs, Super Fast Diodes
	SEMICOA SEMICONDUCTORS {acquired by Microsemi in 2008} {comeback in 2009}	Bipolar Transistors
	SEMICONDUCTOR TECHNOLOGY	Bipolar Transistors, MOSFETs
	SEMIKRON DANFOSS [1951] (merged with Danfoss Silicon Power in 2022}	Diodes, Thyrisrors, MOSFET & IGBT Modules			REP	COMPEL CORPORATION IP INCOMTECH-PROJECT TECHNOSERVICEDRIVE
	SEMIQ [2011] {previously known as Global Power Technologies Group}	SiC Diodes & MOSFETs
	SEMISOUTH LABORATORIES [2001] {closed in 2012}	SiC Diodes
	SEMITRON INDUSTRIES [1963] {part of Crydom from 1998} {acquired by Littelfuse in 2002}	TVSs
	SEMITRONICS [1952]	HiRel Discretes
	SEMTECH [1960]	HiRel Diodes, TVSs				ARROW AVNET DIGI-KEY FUTURE MOUSER QUEST
	SEMTECH ELECTRONICS [2003] {subsidiary of Sino-Tech International}	Diodes & Transistors				RADIOTECH
	SENSITRON SEMICONDUCTOR [1969]	Diodes, Bipolar Transistors, MOSFETs				SD SOLUTIONS
	SHANGHAI SUNRISE ELECTRONICS [1993]	Diodes, Zeners, TVSs
	SHANGLANG ELECTRONIC TECHNOLOGY [2000]	Diodes, Bridge Rectifiers
	SHIKUES [2008]	Diodes, Bridges, TVS, MOSFETs				KONKUR
	SHINDENGEN [1949]	MOSFETs, Bipolar Transistors, Diodes				MOUSER
	SILICONIX [1962] {acquired by Vishay in 1998}	MOSFETs
	SILICON WIRELESS [2000]	Diodes, Rectifiers
	SILIKRON [2007]	MOSFETs, Schottky Diodes, FREDs, TVSs
	SIRECT SEMICONDUCTORS [2002]	Diodes, Transils
	SOLID STATE DEVICES [1967]	Diodes, Transistors, Thyristors, IGBTs, MOSFETs in Ceramic Packages
	SOLITRON DEVICES [1959]	Mil-Grade Diodes, IGBTs, MOSFETs, incl. SiC
	SPECTRIAN [1995] {acquired by Cree in 2000}	RF Transistors
	STANFORD MICRODEVICES [1985] {changed name to Sirenza in 2001} {acquired by RFMD in 2007}	GaAs FETs
	ST MICROELECTRONICS [1987]   {merger of SGS and Thomson Semi} {renamed to STM in 1998}	MOSFETs, Bipolar Transistors, Diodes, TVSs			REP	ARROW DECTEL DIGICOM EBV GAMMA-SPb MASTEK PT ELECTRONICS RUTRONIK SEA VISSA
	STANSON TECHNOLOGY [1981]	MOSFETs, Schottky Diodes
	STARPOWER SEMICONDUCTOR [2005]	IGBT, MOSFET, IPM, FRD & Rectifier modules
	SUMITOMO ELECTRIC DEVICE INNOVATIONS [2000]	GaN HEMTs, GaAs FETs
	SUPERTEX [1976] {acquired by Microchip in 2014}	MOSFETs, IGBTs
	SURGE COMPONENTS [1981]	Diodes, Zener Diodes, ESD & TVS Diodes
	SUSSEX SEMICONDUCTOR [1980]	Transiet Suppressors, Zeners, Rectifiers
t
	TAIWAN SEMICONDUCTOR [1979]	Diodes, Transistors, TVSs				ARROW COMPEL DIGI-KEY EBV FUTURE MICRODIS ULTRAN
	TECCOR ELECTRONICS [1964] {acquired by Littelfuse in 2003}	DIACs, Rectifiers, SCRs, TRIACs, TVSs
	TOPDIODE [1996]	Transistors, Diodes, Zener&Schottky Diodes, TVS Diodes, Bridge Rectifiers
	TOSHIBA ELECTRONIC DEVICES & STORAGE [1875]	MOSFETs & IGBTs			REP	ARROW EBV
	TRANSIC [2006] {established by Volvo} {acquired by Fairchild in 2011}	SiC BJ Transistors
	TRANSPHORM [2007]	GaN Transistors
	TRANSYS ELECTRONICS [1992]	Diodes, SCRs, TVSs, Transistors
	TAILIAN POWER ELECTRON [2006]	Diodes, Thyristirs, Triacs
	TASUND TECHNOLOGY [2012]	Diodes, Transistors, TVS
	TT ELECTRONICS [1906]	RF VDMOS				ARROW FUTURE RADIANT RS TTI
u
	UNISONIC TECHNOLOGIES [1990]	Bipolar Transistors, SCRs, Triacs				ARGUSSOFT
	UNITEDSIC [1999] {part of Dolce Technologies from 2009} {acquired by Qorvo in 2021}	SiC FETs, JFETS & Schottky Diodes				DIGI-KEY MOUSER
	USHA [1962] {left semi-business in 2000}	Bipolar Transistors, Diodes, Thyristors
v
	VBSEMI [2003]	MOSFETs
	VINCOTECH [1996] {acquired by Tyco in 2000} {part of Mitsubishi from 2010}	Power Modules				RICHARDSON RFPD RUTRONIK
	VISHAY INTERTECHNOLOGY [1962]	MOS Transistors, Diodes			REP	ARROW AVNET ABACUS COMPEL EBV ECOMAL ELGERTA FARNELL PT ELECTRONICS PLATAN RUTRONIK SEA SYMMETRON VISSA
	VISIC TECHNOLOGIES [2010]	GaN Power FETs
	VOLTAGE MULTIPLIERS [1980]	Diodes, HV Diodes, Rectifiers, TVSs
w
	WAVICE [2011]	GaN-on-SiC Transistors				YE
	WEEN SEMICONDUCTORS [2015]	Transistors, Diodes, Modules, +SiC				DECTEL GAMMA ING.
	WEIDA SEMICONDUCTOR [2018]	Transistors, MOSFETs, Thyristors, SSRs
	WEITRON TECHNOLOGY [1999]	Diodes & Transistors
	WESTCODE SEMICONDUCTORS [1998] {acquired by Ixys in 2002}	Power Diodes & Thyristors
	WILL SEMICONDUCTOR [2007]	MOSFETs, Schottky Diodes, TVS
	WING SHING INTERNATIONAL [1998]	Diodes & Transistors
	WINSEMI SEMICONDUCTOR [2000]	MOSFETs
	WOLFSPEED [2015] {Power and RF division of Cree before 2015} {RF business sold to MACOM in 2023}	GaN RF Power Discretes, SiC Discretes				ARROW DIGI-KEY FARNELL MACRO GROUP PROCHIP RICHARDSON RFPD
	WON-TOP ELECTRONICS [1992]	Diodes
x
	X-REL SEMICONDUCTOR [1992] {division of EASii IC}	HiTemp Discretes				QUEST
	XINER SEMICONDUCTOR [2013]	IGBT, IPMs, IGBT Modules, Drivers
	XSEMI [2021] {JV of Yageo and Foxconn from 2021}	MOSFETs
y
	YANGJIE ELECTRONIC TECHNOLOGY [2000]	Diodes, Transistors, TVSs				COMPEL PT ELECTRONICS
z
	ZETEX SEMICONDUCTORS [1989] {buy-out from Plessey in 1989} {acquired by Diodes in 2008}	Bipolar Transistors				MICRO-EM
	ZOWIE TECHNOLOGY [1994]	Diodes, Zeners

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