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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Output Voltage	Output Power	Supply Voltage - Min	Supply Voltage - Max	Topology	Technology	Switching Frequency	Duty Cycle - Max	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Output Current	Series	Packaging
AC/DC Converters ViperPlus Fixed Freq 800V 30mQ 265 Vac VIPER37HE STMicroelectronics 1: £1.57 5In Stock 2,000Expected 23/04/2027	Mfr. Part No. VIPER37HE Mouser Part No 511-VIPER37HE	STMicroelectronics	AC/DC Converters ViperPlus Fixed Freq 800V 30mQ 265 Vac Learn More about STMicroelectronics stm viper37 offline converters	Datasheet	5In Stock 2,000Expected 23/04/2027	£1.57 £1.20 £1.13 £1.01 View £0.978 £0.943 £0.908 £0.849	Min.: 1 Mult.: 1	Through Hole	SDIP-10	800 V	18 W	8.5 V	23.5 V	Flyback	Si	115 kHz	80 %	3.5 mA	- 40 C	+ 150 C		VIPER37	Tube
AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert VIPER012HS STMicroelectronics 1: £1.84 984In Stock	Mfr. Part No. VIPER012HS Mouser Part No 511-VIPER012HS	STMicroelectronics	AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert Learn More about STMicroelectronics viper01 converters	Datasheet	984In Stock	£1.84 £1.37 £1.26 £1.12 View £1.06 £1.02 £0.995 £0.934 £0.908	Min.: 1 Mult.: 1	SMD/SMT	SSOP-10			4.5 V	30 V	Buck, Buck-Boost, Flyback	Si	120 kHz	80 %	1 mA	- 40 C	+ 150 C	240 mA	VIPER01	Tube
AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter VIPER38HE STMicroelectronics 1: £2.78 1,067In Stock	Mfr. Part No. VIPER38HE Mouser Part No 511-VIPER38HE	STMicroelectronics	AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter Learn More about STMicroelectronics stm viper38 high voltage converters	Datasheet	1,067In Stock	£2.78 £2.10 £1.82 £1.75 View £1.65 £1.59 £1.55 £1.49 £1.47	Min.: 1 Mult.: 1	Through Hole	SDIP-10	800 V	18 W	8.5 V	23.5 V	Flyback	Si	115 kHz	80 %	3.5 mA	- 40 C	+ 150 C		VIPER38	Tube
AC/DC Converters Energy saving off-line high voltage converter VIPER013BLSTR STMicroelectronics 1: £0.736 2,245In Stock	Mfr. Part No. VIPER013BLSTR Mouser Part No 511-VIPER013BLSTR	STMicroelectronics	AC/DC Converters Energy saving off-line high voltage converter Learn More about STMicroelectronics viper01 converters	Datasheet	2,245In Stock	Cut Tape £0.736 £0.404 £0.375 £0.346 £0.339 Reel £0.338 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SSOP-10	5 V	7 W	4.5 V	30 V	Buck, Buck-Boost, Flyback	Si	60 kHz	80 %	850 uA	- 40 C	+ 125 C		VIPER01B	Reel, Cut Tape, MouseReel
AC/DC Converters Off-Line High Volt Regulator VIPER17HN STMicroelectronics 1: £0.803 1,958In Stock	Mfr. Part No. VIPER17HN Mouser Part No 511-VIPER17HN	STMicroelectronics	AC/DC Converters Off-Line High Volt Regulator Learn More about STMicroelectronics stm viper17 switching regulators	Datasheet	1,958In Stock	£0.803 £0.581 £0.491 £0.463 View £0.432 £0.415 £0.40 £0.384 £0.375	Min.: 1 Mult.: 1	Through Hole	DIP-7	800 V	9 W	8.5 V	23.5 V	Flyback	Si	115 kHz	80 %	1.8 mA	- 40 C	+ 150 C	420 mA	VIPER17	Tube
AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert VIPER013HS STMicroelectronics 1: £0.803 Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. VIPER013HS Mouser Part No 511-VIPER013HS	STMicroelectronics	AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert Learn More about STMicroelectronics viper01 converters	Datasheet	Non-Stocked Lead-Time 36 Weeks	£0.803 £0.581 £0.525 £0.463 View £0.433 £0.416 £0.405 £0.379 £0.37	Min.: 1 Mult.: 1	SMD/SMT	SSOP-10			4.5 V	30 V	Buck, Buck-Boost, Flyback	Si	120 kHz	80 %	1 mA	- 40 C	+ 150 C	360 mA	VIPER01	Tube
AC/DC Converters VIPerPlus family: Zero-power off-line high voltage converter VIPER0PHDTR STMicroelectronics 1: £0.736 2,022In Stock	Mfr. Part No. VIPER0PHDTR Mouser Part No 511-VIPER0PHDTR	STMicroelectronics	AC/DC Converters VIPerPlus family: Zero-power off-line high voltage converter Learn More about STMicroelectronics stm viper0p high voltage converters	Datasheet	2,022In Stock	Cut Tape £0.736 £0.564 £0.521 £0.475 Reel £0.442 View £0.453 £0.443 £0.433 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SIOC-16 Narrow			4.5 V	30 V	Buck, Buck-Boost, Flyback	Si	120 kHz	80 %		- 40 C	+ 150 C		VIPER0P	Reel, Cut Tape, MouseReel
AC/DC Converters Off-Line Volt Conv 800V <50mW Standby VIPER25LDTR STMicroelectronics 1: £0.908 2,267In Stock	Mfr. Part No. VIPER25LDTR Mouser Part No 511-VIPER25LDTR	STMicroelectronics	AC/DC Converters Off-Line Volt Conv 800V <50mW Standby Learn More about STMicroelectronics stm viper25 high voltage converters	Datasheet	2,267In Stock	Cut Tape £0.908 £0.655 £0.593 £0.523 Reel £0.421 View £0.491 £0.471 £0.45 £0.416 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-Narrow-16		20 W	8.5 V	23.5 V	Flyback	Si	136 kHz		3.5 mA	- 40 C	+ 150 C	1.5 A	VIPER25	Reel, Cut Tape, MouseReel
AC/DC Converters Energy Saving Off-line High Voltage Converter VIPER317HDTR STMicroelectronics 1: £2.10 2,413In Stock	Mfr. Part No. VIPER317HDTR Mouser Part No 511-VIPER317HDTR	STMicroelectronics	AC/DC Converters Energy Saving Off-line High Voltage Converter Learn More about STMicroelectronics stm viper31 high voltage converter	Datasheet	2,413In Stock	Cut Tape £2.10 £1.69 £1.58 £1.48 Reel £1.27 View £1.42 £1.41 £1.32 £1.25 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SO-Narrow-16	15 V		4.5 V	30 V	Buck, Buck-Boost, Flyback	Si	132 kHz	80 %	1.25 mA	- 40 C	+ 150 C	1.2 A	VIPER31	Reel, Cut Tape, MouseReel
AC/DC Converters VIPerPlus family: Quasi-resonant high performance off line high voltage converte VIPER35HDTR STMicroelectronics 1: £1.18 1,355In Stock	Mfr. Part No. VIPER35HDTR Mouser Part No 511-VIPER35HDTR	STMicroelectronics	AC/DC Converters VIPerPlus family: Quasi-resonant high performance off line high voltage converte Learn More about STMicroelectronics stm viper35 high voltage converters	Datasheet	1,355In Stock	Cut Tape £1.18 £0.871 £0.78 £0.69 Reel £0.585 View £0.649 £0.623 £0.615 £0.574 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SIOC-16 Narrow	800 V	22 W	8.5 V	23.5 V	Flyback	Si	225 kHz		2 mA	- 40 C	+ 150 C		VIPER35	Reel, Cut Tape, MouseReel
AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter VIPER38HD STMicroelectronics 1: £0.934 1,379In Stock	Mfr. Part No. VIPER38HD Mouser Part No 511-VIPER38HD	STMicroelectronics	AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter Learn More about STMicroelectronics stm viper38 high voltage converters	Datasheet	1,379In Stock	£0.934 £0.674 £0.581 £0.538 View £0.505 £0.485 £0.464 £0.451 £0.44	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Narrow-16	800 V	18 W	8.5 V	23.5 V	Flyback	Si	115 kHz	80 %	3.5 mA	- 40 C	+ 150 C		VIPER38	Tube
AC/DC Converters Energy saving off-line high voltage converter VIPER012BHSTR STMicroelectronics 1: £1.79 2,269In Stock	Mfr. Part No. VIPER012BHSTR Mouser Part No 511-VIPER012BHSTR	STMicroelectronics	AC/DC Converters Energy saving off-line high voltage converter Learn More about STMicroelectronics viper01 converters	Datasheet	2,269In Stock	Cut Tape £1.79 £1.33 £1.21 £1.09 View Reel £0.943 £1.03 £0.995 £0.96 £0.943 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SSOP-10			4.5 VAC	30 VAC	Buck, Buck-Boost, Flyback	Si	120 kHz	80 %	1 mA	- 40 C	+ 150 C	240 mA	VIPER01B	Reel, Cut Tape, MouseReel
AC/DC Converters Off-Line Volt Converter VIPER25HD STMicroelectronics 1: £0.826 1,990In Stock	Mfr. Part No. VIPER25HD Mouser Part No 511-VIPER25HD	STMicroelectronics	AC/DC Converters Off-Line Volt Converter Learn More about STMicroelectronics stm viper25 high voltage converters	Datasheet	1,990In Stock	£0.826 £0.589 £0.482 £0.461 View £0.437 £0.418 £0.405 £0.392 £0.387	Min.: 1 Mult.: 1	SMD/SMT	SO-Narrow-16		20 W	8.5 V	23.5 V	Flyback	Si	225 kHz		3.5 mA	- 40 C	+ 150 C	1.5 A	VIPER25	Tube
AC/DC Converters Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT 700V VIPERGAN100WBTR STMicroelectronics 1: £2.52 933In Stock 4,000On Order New Product	Mfr. Part No. VIPERGAN100WBTR Mouser Part No 511-VIPERGAN100WBTR New Product	STMicroelectronics	AC/DC Converters Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT 700V Learn More about STMicroelectronics stm vipergan100 offline high voltage converter	Datasheet	933In Stock 4,000On Order	Cut Tape £2.52 £1.89 £1.74 £1.56 View Reel £1.32 £1.48 £1.47 £1.42 £1.39 £1.32 MouseReel Available	Min.: 1 Mult.: 1 : 4,000															VIPERGAN100	Reel, Cut Tape, MouseReel
AC/DC Converters Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT 700V VIPERGAN100WTR STMicroelectronics 1: £2.52 1,838In Stock New Product	Mfr. Part No. VIPERGAN100WTR Mouser Part No 511-VIPERGAN100WTR New Product	STMicroelectronics	AC/DC Converters Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT 700V Learn More about STMicroelectronics stm vipergan100 offline high voltage converter	Datasheet	1,838In Stock	Cut Tape £2.52 £1.89 £1.74 £1.56 View Reel £1.32 £1.48 £1.47 £1.42 £1.39 £1.32 MouseReel Available	Min.: 1 Mult.: 1 : 4,000															VIPERGAN100	Reel, Cut Tape, MouseReel
AC/DC Converters Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT 700V VIPERGAN50WTR STMicroelectronics 1: £2.22 1,397In Stock New Product	Mfr. Part No. VIPERGAN50WTR Mouser Part No 511-VIPERGAN50WTR New Product	STMicroelectronics	AC/DC Converters Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT 700V Learn More about STMicroelectronics stm vipergan50 converter	Datasheet	1,397In Stock	Cut Tape £2.22 £1.66 £1.52 £1.37 View Reel £1.13 £1.29 £1.27 £1.23 £1.20 £1.13 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	QFN-16		75 W, 100 W	9 V	23 V	Flyback	GaN	240 kHz	50%	3.2 mA	- 40 C	+ 150 C			Reel, Cut Tape, MouseReel
AC/DC Converters Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT 700V VIPERGAN65WTR STMicroelectronics 1: £2.44 4,880In Stock New Product	Mfr. Part No. VIPERGAN65WTR Mouser Part No 511-VIPERGAN65WTR New Product	STMicroelectronics	AC/DC Converters Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT 700V Learn More about STMicroelectronics stm vipergan65 converter	Datasheet	4,880In Stock	Cut Tape £2.44 £1.83 £1.68 £1.52 View Reel £1.32 £1.43 £1.41 £1.38 £1.36 £1.32 MouseReel Available	Min.: 1 Mult.: 1 : 4,000															VIPERGAN65	Reel, Cut Tape, MouseReel
AC/DC Converters Off-Line High Volt Converter VIPER17LD STMicroelectronics 1: £0.849 10,163In Stock	Mfr. Part No. VIPER17LD Mouser Part No 511-VIPER17LD	STMicroelectronics	AC/DC Converters Off-Line High Volt Converter Learn More about STMicroelectronics stm viper17 switching regulators	Datasheet	10,163In Stock	£0.849 £0.614 £0.555 £0.491 View £0.458 £0.44 £0.43 £0.405 £0.40	Min.: 1 Mult.: 1	SMD/SMT	SIOC-16 Narrow	800 V	9 W	8.5 V	23.5 V	Flyback	Si	60 kHz	80 %	1.8 mA	- 40 C	+ 150 C	420 mA	VIPER17	Tube
AC/DC Converters 800V 115kHz Off-Line 50mW at 265Vac VIPER28HD STMicroelectronics 1: £0.826 3,998In Stock	Mfr. Part No. VIPER28HD Mouser Part No 511-VIPER28HD	STMicroelectronics	AC/DC Converters 800V 115kHz Off-Line 50mW at 265Vac Learn More about STMicroelectronics stm viper28 high voltage converters	Datasheet	3,998In Stock	£0.826 £0.589 £0.531 £0.467 View £0.437 £0.418 £0.404 £0.369	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Narrow-16	800 V	20 W	8.5 V	23.5 V	Flyback	Si	115 kHz	80 %	2.5 mA	- 25 C	+ 125 C	1.2 A	VIPER28	Tube
AC/DC Converters SMPS Primary I.C. Low Power Switcher VIPER28LN STMicroelectronics 1: £1.63 1,226In Stock	Mfr. Part No. VIPER28LN Mouser Part No 511-VIPER28LN	STMicroelectronics	AC/DC Converters SMPS Primary I.C. Low Power Switcher Learn More about STMicroelectronics stm viper28 high voltage converters	Datasheet	1,226In Stock	£1.63 £1.33 £1.21 £1.17 View £1.16 £1.15	Min.: 1 Mult.: 1	Through Hole	DIP-7	800 V	20 W	8.5 V	23.5 V	Flyback	Si	60 kHz	80 %	2.5 mA	- 25 C	+ 125 C	1.2 A	VIPER28	Tube
AC/DC Converters Energy saving off-line high voltage converter, 800 V, 370 mA, 60 kHz VIPER113BLSTR STMicroelectronics 1: £1.05 1,956In Stock New Product	Mfr. Part No. VIPER113BLSTR Mouser Part No 511-VIPER113BLSTR New Product	STMicroelectronics	AC/DC Converters Energy saving off-line high voltage converter, 800 V, 370 mA, 60 kHz Learn More about STMicroelectronics stm viper11 hv converter	Datasheet	1,956In Stock	Cut Tape £1.05 £0.766 £0.692 £0.614 Reel £0.514 View £0.576 £0.553 £0.539 £0.502 MouseReel Available	Min.: 1 Mult.: 1 : 2,500															VIPER11B	Reel, Cut Tape, MouseReel
AC/DC Converters Energy saving off-line high voltage converter, 800 V, 480 mA, 60 kHz VIPER114BLSTR STMicroelectronics 1: £1.05 1,962In Stock New Product	Mfr. Part No. VIPER114BLSTR Mouser Part No 511-VIPER114BLSTR New Product	STMicroelectronics	AC/DC Converters Energy saving off-line high voltage converter, 800 V, 480 mA, 60 kHz Learn More about STMicroelectronics stm viper11 hv converter	Datasheet	1,962In Stock	Cut Tape £1.05 £0.766 £0.692 £0.614 Reel £0.514 View £0.576 £0.553 £0.539 £0.502 MouseReel Available	Min.: 1 Mult.: 1 : 2,500															VIPER11B	Reel, Cut Tape, MouseReel
AC/DC Converters 900V Off-Line PWM 0.7A ID 16W RDS REG ALTAIR04-900TR STMicroelectronics 1: £2.48 16,467In Stock	Mfr. Part No. ALTAIR04-900TR Mouser Part No 511-ALTAIR04-900TR	STMicroelectronics	AC/DC Converters 900V Off-Line PWM 0.7A ID 16W RDS REG Learn More about STMicroelectronics stmicroaltair04 900	Datasheet	16,467In Stock	Cut Tape £2.48 £1.86 £1.71 £1.54 Reel £1.26 View £1.46 £1.43 £1.37 £1.23 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT							Si							ALTAIR04-900	Reel, Cut Tape, MouseReel
AC/DC Converters Enhanced High Volt Res CTRL 600V L6699DTR STMicroelectronics 1: £1.92 5,886In Stock	Mfr. Part No. L6699DTR Mouser Part No 511-L6699DTR	STMicroelectronics	AC/DC Converters Enhanced High Volt Res CTRL 600V	Datasheet	5,886In Stock	Cut Tape £1.92 £1.43 £1.31 £1.17 Reel £0.995 View £1.11 £1.07 £1.05 £0.978 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-16	13.3 V		8.85 V	16 V		Si	235 kHz	50 %	3 mA	- 40 C	+ 150 C		L6699	Reel, Cut Tape, MouseReel
AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert VIPER011LS STMicroelectronics 1: £1.82 2,014In Stock	Mfr. Part No. VIPER011LS Mouser Part No 511-VIPER011LS	STMicroelectronics	AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert Learn More about STMicroelectronics viper01 converters	Datasheet	2,014In Stock	£1.82 £1.35 £1.23 £1.10 View £1.03 £1.00 £0.969 £0.943 £0.871	Min.: 1 Mult.: 1	SMD/SMT	SSOP-10			4.5 V	30 V	Buck, Buck-Boost, Flyback	Si	60 kHz	80 %	850 uA	- 40 C	+ 150 C	120 mA	VIPER01	Tube