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VIPer37 Fixed Frequency Offline Converters

STMicroelectronics VIPer37 Fixed Frequency Offline Converters offer an 800V rugged power section, a PWM control, and two levels of overcurrent protection. STMicroelectronics VIPer37 voltage converters also provide overvoltage protection, overload protection, hysteretic thermal protection, soft-start, and safe auto-restart after the removal of any fault condition.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	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	Series	Packaging
	AC/DC Converters ViperPlus Fixed Freq 800V 30mQ 265 Vac VIPER37HE STMicroelectronics 1: £1.57 5In Stock 2,000Expected 29/01/2027	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 29/01/2027	£1.57 £1.22 £1.13 £1.01 View £0.978 £0.934 £0.899 £0.811	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 Fixed Freq 800V 30mQ 265 Vac VIPER37LE STMicroelectronics 1: £1.28 3,224In Stock	Mfr. Part No. VIPER37LE Mouser Part No 511-VIPER37LE	STMicroelectronics	AC/DC Converters ViperPlus Fixed Freq 800V 30mQ 265 Vac Learn More about STMicroelectronics stm viper37 offline converters	Datasheet	3,224In Stock	£1.28 £0.943 £0.811 £0.766 View £0.718 £0.691 £0.668 £0.657 £0.598	Min.: 1 Mult.: 1			Through Hole	SDIP-10	800 V	18 W	8.5 V	23.5 V	Flyback	Si	60 kHz	80 %	2.5 mA	- 40 C	+ 150 C	VIPER37	Tube
	AC/DC Converters VIPerPlus family: Fixed frequency 15W high performance off line high voltage con VIPER37LDTR STMicroelectronics 1: £1.11 15In Stock 2,500Expected 02/04/2027	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 02/04/2027	Cut Tape £1.11 £0.811 £0.713 £0.63 View Reel £0.515 £0.592 £0.568 £0.551 £0.515 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: Fixed frequency 15W high performance off line high voltage con VIPER37HDTR STMicroelectronics 1: £1.20 2,499Expected 20/08/2027	Mfr. Part No. VIPER37HDTR Mouser Part No 511-VIPER37HDTR	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	2,499Expected 20/08/2027	Cut Tape £1.20 £0.995 £0.788 £0.698 View Reel £0.622 £0.656 £0.63 £0.622 £0.622 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	VIPER37	Reel, Cut Tape, MouseReel
	AC/DC Converters VIPerPlus family: Fixed frequency 15W high performance off line high voltage con VIPER37HD STMicroelectronics 1,000: £1.55 Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. VIPER37HD Mouser Part No 511-VIPER37HD	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	Non-Stocked Lead-Time 36 Weeks	£1.55	Min.: 1,000 Mult.: 1,000			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	VIPER37	Tube
	AC/DC Converters VIPerPlus family: Fixed frequency 15W high performance off line high voltage con VIPER37LD STMicroelectronics 2,000: £0.451 Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. VIPER37LD Mouser Part No 511-VIPER37LD	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	Non-Stocked Lead-Time 36 Weeks	£0.451	Min.: 2,000 Mult.: 1,000			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	Tube