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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 High voltage converter VIPER122LSTR STMicroelectronics 1: $1.09 552In Stock 2,500Expected 2027/04/02	Mfr. Part No. VIPER122LSTR Mouser Part No 511-VIPER122LSTR	STMicroelectronics	AC/DC Converters High voltage converter Learn More about STMicroelectronics stm viper122 converter	Datasheet	552In Stock 2,500Expected 2027/04/02	Cut Tape $1.09 $0.785 $0.709 $0.626 Reel $0.52 View $0.586 $0.562 $0.548 $0.508 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SSOP-10			11.5 V	23.5 V	Buck, Flyback	Si	60 kHz	80 %	20 mA	- 40 C	+ 150 C		VIPER122	Reel, Cut Tape, MouseReel
AC/DC Converters Low Power OFF-Line SMPS Primary VIPER12ADIP-E STMicroelectronics 1: $1.29 42In Stock 2,000Expected 2027/04/30	Mfr. Part No. VIPER12ADIP-E Mouser Part No 511-VIPER12ADIP-E	STMicroelectronics	AC/DC Converters Low Power OFF-Line SMPS Primary Learn More about STMicroelectronics stm standard products	Datasheet	42In Stock 2,000Expected 2027/04/30	$1.29 $0.871 $0.761 $0.706 View $0.665 $0.64 $0.62 $0.561 $0.409	Min.: 1 Mult.: 1	Through Hole	DIP-8	730 V	8 W	9 V	38 V		Si	60 kHz	16 %	4.5 mA	- 40 C	+ 150 C		VIPER12A-E	Tube
AC/DC Converters FIXED FREQ VIPER PLUS FAMILY VIPER16HD STMicroelectronics 1: $1.01 94In Stock 2,000On Order	Mfr. Part No. VIPER16HD Mouser Part No 511-VIPER16HD	STMicroelectronics	AC/DC Converters FIXED FREQ VIPER PLUS FAMILY Learn More about STMicroelectronics stm viper16hd high voltage converters	Datasheet	94In Stock 2,000On Order	$1.01 $0.727 $0.616 $0.576 View $0.543 $0.518 $0.50 $0.459 $0.454	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Narrow-16	800 V	9 W	11.5 V	23.5 V	Buck-Boost, Flyback	Si	115 kHz	80 %	1.5 mA	- 40 C	+ 150 C	420 mA	VIPER16	Tube
AC/DC Converters FIXED FREQ VIPER VIPER16HDTR STMicroelectronics 1: $1.90 375In Stock	Mfr. Part No. VIPER16HDTR Mouser Part No 511-VIPER16HDTR	STMicroelectronics	AC/DC Converters FIXED FREQ VIPER Learn More about STMicroelectronics stm viper16hd high voltage converters	Datasheet	375In Stock	Cut Tape $1.90 $1.40 $1.26 $1.12 Reel $0.906 View $1.06 $0.971 $0.968 $0.897 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-Narrow-16	800 V	9 W	11.5 V	11.5 V	Buck-Boost, Flyback	Si	115 kHz	80 %	1.5 mA	- 40 C	+ 150 C	420 mA	VIPER16	Reel, Cut Tape, MouseReel
AC/DC Converters FIXED FREQ VIPER VIPER16LDTR STMicroelectronics 1: $1.00 314In Stock 2,500Expected 2027/04/30	Mfr. Part No. VIPER16LDTR Mouser Part No 511-VIPER16LDTR	STMicroelectronics	AC/DC Converters FIXED FREQ VIPER Learn More about STMicroelectronics stm viper16hd high voltage converters	Datasheet	314In Stock 2,500Expected 2027/04/30	Cut Tape $1.00 $0.722 $0.651 $0.573 View Reel $0.513 $0.536 $0.513 $0.513 MouseReel Available	Min.: 1 Mult.: 1 Max.: 500 : 2,500	SMD/SMT	SOIC-Narrow-16	800 V	9 W	11.5 V	23.5 V	Buck-Boost, Flyback	Si	60 kHz	80 %	1.5 mA	- 40 C	+ 150 C	420 mA	VIPER16	Reel, Cut Tape, MouseReel
AC/DC Converters Off-Line High Volt Regulator VIPER17HN STMicroelectronics 1: $1.07 1,570In 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	1,570In Stock	$1.07 $0.773 $0.654 $0.616 View $0.577 $0.554 $0.533 $0.512 $0.499	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 High voltage converter VIPER222LSTR STMicroelectronics 1: $1.07 1,241In Stock	Mfr. Part No. VIPER222LSTR Mouser Part No 511-VIPER222LSTR	STMicroelectronics	AC/DC Converters High voltage converter Learn More about STMicroelectronics stmicro viper222 converters	Datasheet	1,241In Stock	Cut Tape $1.07 $0.773 $0.699 $0.629 Reel $0.512 View $0.588 $0.564 $0.55 $0.50 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SSOP-10		11 W	4.5 V	30 V	Buck, Flyback	Si	60 kHz	80 %	1.6 mA	- 40 C	+ 150 C		VIPER222	Reel, Cut Tape, MouseReel
AC/DC Converters Low Power OFF-Line SMPS VIPER22ADIP-E STMicroelectronics 1: $1.45 5In Stock 4,000Expected 2027/07/09	Mfr. Part No. VIPER22ADIP-E Mouser Part No 511-VIPER22ADIP-E	STMicroelectronics	AC/DC Converters Low Power OFF-Line SMPS Learn More about STMicroelectronics stm standard products	Datasheet	5In Stock 4,000Expected 2027/07/09	$1.45 $1.07 $1.04 $1.03	Min.: 1 Mult.: 1	Through Hole	DIP-8	730 V	7 W	9 V	38 V		Si	60 kHz	16 %	4.5 mA	- 40 C	+ 150 C	700 mA	VIPER22ADIP-E	Tube
AC/DC Converters 1050 V High voltage converter VIPER267KDTR STMicroelectronics 1: $1.85 154In Stock 12,500On Order	Mfr. Part No. VIPER267KDTR Mouser Part No 511-VIPER267KDTR	STMicroelectronics	AC/DC Converters 1050 V High voltage converter Learn More about STMicroelectronics stm viper26k converter	Datasheet	154In Stock 12,500On Order On Order Ship Dates Mfr. No: VIPER267KDTR Stock: 154 Can Dispatch Immediately On Order: 5,000 Expected 2027/03/19 7,500 Expected 2027/04/02 Factory Lead Time: 36 Weeks	Cut Tape $1.85 $1.36 $1.24 $1.11 View Reel $1.00 $1.04 $1.00 $1.00 MouseReel Available	Min.: 1 Mult.: 1 Max.: 500 : 2,500	SMD/SMT	SOIC-16	1.05 kV	16 W	11.5 V	23.5 V	Buck, Buck-Boost, Flyback	Si	60 kHz	80 %	2 mA	- 40 C	+ 150 C	700 mA	VIPER26K	Reel, Cut Tape, MouseReel
AC/DC Converters VIPer Plus 800V Fixed freq 115 kHz VIPER26HN STMicroelectronics 1: $1.28 176In Stock 10,000On Order	Mfr. Part No. VIPER26HN Mouser Part No 511-VIPER26HN	STMicroelectronics	AC/DC Converters VIPer Plus 800V Fixed freq 115 kHz Learn More about STMicroelectronics stm viper26 switching converters	Datasheet	176In Stock 10,000On Order On Order Ship Dates Mfr. No: VIPER26HN Stock: 176 Can Dispatch Immediately On Order: 6,000 Expected 2026/09/28 4,000 Expected 2026/11/04 Factory Lead Time: 36 Weeks	$1.28 $0.928 $0.793 $0.757 $0.732	Min.: 1 Mult.: 1 Max.: 250	Through Hole	DIP-7	800 V	18 W	11.5 V	23.5 V		Si	115 kHz	80 %	3.5 mA	- 40 C	+ 150 C		VIPER26	Tube
AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter VIPER27HDTR STMicroelectronics 1: $1.21 250In Stock 20,000On Order	Mfr. Part No. VIPER27HDTR Mouser Part No 511-VIPER27HDTR	STMicroelectronics	AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter Learn More about STMicroelectronics stm viper27 high voltage converters	Datasheet	250In Stock 20,000On Order On Order Ship Dates Mfr. No: VIPER27HDTR Stock: 250 Can Dispatch Immediately On Order: 5,000 Expected 2027/07/09 15,000 Expected 2027/07/16 Factory Lead Time: 39 Weeks	Cut Tape $1.21 $0.89 $0.79 $0.698 $0.654 Reel $0.654 MouseReel Available	Min.: 1 Mult.: 1 Max.: 250 : 2,500	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		VIPER27	Reel, Cut Tape, MouseReel
AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter VIPER27HN STMicroelectronics 1: $1.21 1,822In Stock 6,000On Order	Mfr. Part No. VIPER27HN Mouser Part No 511-VIPER27HN	STMicroelectronics	AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter Learn More about STMicroelectronics stm viper27 high voltage converters	Datasheet	1,822In Stock 6,000On Order On Order Ship Dates Mfr. No: VIPER27HN Stock: 1,822 Can Dispatch Immediately On Order: 2,000 Expected 2027/04/30 4,000 Expected 2027/05/21 Factory Lead Time: 36 Weeks	$1.21 $0.876 $0.742 $0.701 View $0.657 $0.63 $0.602 $0.584 $0.571	Min.: 1 Mult.: 1	Through Hole	DIP-7	800 V	18 W	8.5 V	23.5 V	Flyback	Si	115 kHz	80 %	3.5 mA	- 40 C	+ 150 C		VIPER27	Tube
AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter VIPER27LDTR STMicroelectronics 1: $1.19 146In Stock 2,500Expected 2027/02/26	Mfr. Part No. VIPER27LDTR Mouser Part No 511-VIPER27LDTR	STMicroelectronics	AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter Learn More about STMicroelectronics stm viper27 high voltage converters	Datasheet	146In Stock 2,500Expected 2027/02/26	Cut Tape $1.19 $0.854 $0.77 $0.68 $0.615 Reel $0.615 MouseReel Available	Min.: 1 Mult.: 1 Max.: 250 : 2,500	SMD/SMT	SOIC-Narrow-16	800 V	18 W	8.5 V	23.5 V	Flyback	Si	60 kHz	80 %	2.5 mA	- 40 C	+ 150 C		VIPER27	Reel, Cut Tape, MouseReel
AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter VIPER27LN STMicroelectronics 1: $1.24 155In Stock 6,000On Order	Mfr. Part No. VIPER27LN Mouser Part No 511-VIPER27LN	STMicroelectronics	AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter Learn More about STMicroelectronics stm viper27 high voltage converters	Datasheet	155In Stock 6,000On Order On Order Ship Dates Mfr. No: VIPER27LN Stock: 155 Can Dispatch Immediately On Order: 2,000 Expected 2027/04/30 4,000 Expected 2027/06/25 Factory Lead Time: 40 Weeks	$1.24 $0.894 $0.793 $0.715 View $0.657 $0.63 $0.608 $0.585 $0.572	Min.: 1 Mult.: 1	Through Hole	DIP-7	800 V	18 W	8.5 V	23.5 V	Flyback	Si	60 kHz	80 %	2.5 mA	- 40 C	+ 150 C		VIPER27	Tube
AC/DC Converters Energy Saving Off-line High Voltage Converter VIPER317LDTR STMicroelectronics 1: $1.38 589In Stock	Mfr. Part No. VIPER317LDTR Mouser Part No 511-VIPER317LDTR	STMicroelectronics	AC/DC Converters Energy Saving Off-line High Voltage Converter Learn More about STMicroelectronics stm viper31 high voltage converter	Datasheet	589In Stock	Cut Tape $1.38 $1.01 $0.92 $0.813 View Reel $0.678 $0.762 $0.732 $0.699 $0.678 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	60 kHz	80 %	1.25 mA	- 40 C	+ 150 C	1.2 A	VIPER31	Reel, Cut Tape, MouseReel
AC/DC Converters Energy Saving Off-line High Voltage Converter VIPER319LDTR STMicroelectronics 1: $1.49 1,015In Stock 5,000On Order	Mfr. Part No. VIPER319LDTR Mouser Part No 511-VIPER319LDTR	STMicroelectronics	AC/DC Converters Energy Saving Off-line High Voltage Converter Learn More about STMicroelectronics stm viper31 high voltage converter	Datasheet	1,015In Stock 5,000On Order On Order Ship Dates Mfr. No: VIPER319LDTR Stock: 1,015 Can Dispatch Immediately On Order: 2,500 Expected 2027/02/05 2,500 Expected 2027/05/28 Factory Lead Time: 36 Weeks	Cut Tape $1.49 $1.09 $0.983 $0.872 Reel $0.716 View $0.819 $0.787 $0.778 $0.702 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	60 kHz	80 %	1.25 mA	- 40 C	+ 150 C	1.2 A	VIPER31	Reel, Cut Tape, MouseReel
AC/DC Converters VIPerPlus family: Fixed frequency 15W high performance off line high voltage con VIPER37LDTR STMicroelectronics 1: $1.48 15In Stock 2,500Expected 2027/04/02	Mfr. Part No. VIPER37LDTR Mouser Part No 511-VIPER37LDTR	STMicroelectronics	AC/DC Converters VIPerPlus family: Fixed frequency 15W high performance off line high voltage con Learn More about STMicroelectronics stm viper37 offline converters	Datasheet	15In Stock 2,500Expected 2027/04/02	Cut Tape $1.48 $1.08 $0.95 $0.84 View Reel $0.686 $0.789 $0.757 $0.734 $0.686 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-Narrow-16	800 V	18 W	8.5 V	23.5 V	Flyback	Si	60 kHz	80 %	2.5 mA	- 40 C	+ 150 C		VIPER37	Reel, Cut Tape, MouseReel
AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter VIPER38HDTR STMicroelectronics 1: $1.72 49In Stock	Mfr. Part No. VIPER38HDTR Mouser Part No 511-VIPER38HDTR	STMicroelectronics	AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter Learn More about STMicroelectronics stm viper38 high voltage converters	Datasheet	49In Stock	Cut Tape $1.72 $1.27 $1.15 $1.03 Reel $0.847 View $0.961 $0.925 $0.919 $0.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape, MouseReel
AC/DC Converters Fixed VIPer Plus 800V 115kHz 30mW VIPER06HS STMicroelectronics 1: $2.28 29,011Expected 2027/05/28	Mfr. Part No. VIPER06HS Mouser Part No 511-VIPER06HS	STMicroelectronics	AC/DC Converters Fixed VIPer Plus 800V 115kHz 30mW Learn More about STMicroelectronics stm viper06	Datasheet	29,011Expected 2027/05/28	$2.28 $1.67 $1.54 $1.37 View $1.33 $1.31	Min.: 1 Mult.: 1	SMD/SMT	SSO-10	800 V	8 W	11.5 V	23.5 V	Buck, Flyback	Si	115 kHz	80 %	1.6 mA	- 40 C	+ 150 C		VIPER06	Tube
AC/DC Converters 800V Fixed Freq VIPer plus PWM VIPER26HDTR STMicroelectronics 1: $1.19 70,000On Order	Mfr. Part No. VIPER26HDTR Mouser Part No 511-VIPER26HDTR	STMicroelectronics	AC/DC Converters 800V Fixed Freq VIPer plus PWM Learn More about STMicroelectronics stm viper26 switching converters	Datasheet	70,000On Order On Order Ship Dates Mfr. No: VIPER26HDTR Stock: 0 On Order: 10,000 Expected 2027/02/05 10,000 Expected 2027/05/21 17,500 Expected 2027/05/28 32,500 Expected 2027/06/18 Factory Lead Time: 47 Weeks	Cut Tape $1.19 $0.923 $0.775 $0.683 $0.64 Reel $0.64 MouseReel Available	Min.: 1 Mult.: 1 Max.: 250 : 2,500		SOIC-Narrow-16	800 V	18 W	11.5 V	23.5 V		Si	115 kHz		3.5 mA	- 40 C	+ 150 C		VIPER26	Reel, Cut Tape, MouseReel
AC/DC Converters 800V Off-line QR Switching Regulator ALTAIR05T-800TR STMicroelectronics 1: $3.05 5,000Expected 2027/03/12	Mfr. Part No. ALTAIR05T-800TR Mouser Part No 511-ALTAIR05T-800TR	STMicroelectronics	AC/DC Converters 800V Off-line QR Switching Regulator Learn More about STMicroelectronics stm altair05t 800 regulator	Datasheet	5,000Expected 2027/03/12	Cut Tape $3.05 $2.27 $2.08 $1.87 $1.76 Reel $1.76 MouseReel Available	Min.: 1 Mult.: 1 Max.: 250 : 2,500	SMD/SMT							Si							ALTAIR05T-800	Reel, Cut Tape, MouseReel
AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert VIPER012LSTR STMicroelectronics 1: $1.38 2,499Expected 2027/04/02	Mfr. Part No. VIPER012LSTR Mouser Part No 511-VIPER012LSTR	STMicroelectronics	AC/DC Converters VIPerPlus family: Low voltage energy saving fixed frequency high voltage convert Learn More about STMicroelectronics viper01 converters	Datasheet	2,499Expected 2027/04/02	Cut Tape $1.38 $1.01 $0.908 $0.811 View Reel $0.677 $0.761 $0.73 $0.715 $0.677 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SSOP-10			4.5 V	30 V	Buck, Buck-Boost, Flyback	Si	60 kHz	80 %	850 uA	- 40 C	+ 150 C	240 mA	VIPER01	Reel, Cut Tape, MouseReel
AC/DC Converters Energy saving off-line high voltage converter VIPER115LSTR STMicroelectronics 1: $1.19 4,955Expected 2027/02/12	Mfr. Part No. VIPER115LSTR Mouser Part No 511-VIPER115LSTR	STMicroelectronics	AC/DC Converters Energy saving off-line high voltage converter Learn More about STMicroelectronics stm viper11 hv converter	Datasheet	4,955Expected 2027/02/12	Cut Tape $1.19 $0.922 $0.778 $0.687 View Reel $0.578 $0.644 $0.618 $0.605 $0.578 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SSOP-10			4.5 V	30 V	Buck, Buck-Boost, Flyback	Si	60 kHz	80 %	1.25 mA	- 40 C	+ 125 C		VIPER11	Reel, Cut Tape, MouseReel
AC/DC Converters Energy saving off-line high voltage converter VIPER115XSTR STMicroelectronics 1: $2.07 4,996On Order	Mfr. Part No. VIPER115XSTR Mouser Part No 511-VIPER115XSTR	STMicroelectronics	AC/DC Converters Energy saving off-line high voltage converter Learn More about STMicroelectronics stm viper11 hv converter	Datasheet	4,996On Order	Cut Tape $2.07 $1.52 $1.40 $1.24 View Reel $1.05 $1.17 $1.13 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SSOP-10	5 V	10 W	4.5 V	30 V	Buck, Buck-Boost, Flyback	Si	30 kHz	80 %	1.25 mA	- 40 C	+ 125 C		VIPER11	Reel, Cut Tape, MouseReel
AC/DC Converters Off-Line Converter 800 V PWM Cntrl VIPER17HDTR STMicroelectronics 1: $1.03 9,500Expected 2027/02/19	Mfr. Part No. VIPER17HDTR Mouser Part No 511-VIPER17HDTR	STMicroelectronics	AC/DC Converters Off-Line Converter 800 V PWM Cntrl Learn More about STMicroelectronics stm viper17 switching regulators	Datasheet	9,500Expected 2027/02/19	Cut Tape $1.03 $0.74 $0.668 $0.588 View Reel $0.49 $0.55 $0.528 $0.513 $0.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SIOC-16 Narrow	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	Reel, Cut Tape, MouseReel