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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 (USD) 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: $2.09 5In Stock 2,000Expected 2027/02/26	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 2027/02/26	$2.09 $1.60 $1.50 $1.35 View $1.30 $1.26 $1.21 $1.13	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: $1.71 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	$1.71 $1.26 $1.08 $1.02 View $0.956 $0.92 $0.89 $0.876 $0.828	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: $1.48 15In Stock 2,500Expected 2027/04/30	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 2027/04/30	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: Fixed frequency 15W high performance off line high voltage con VIPER37HDTR STMicroelectronics 1: $1.60 2,500Expected 2027/08/13	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	2,500Expected 2027/08/13	Cut Tape $1.60 $1.33 $1.05 $0.929 View Reel $0.828 $0.873 $0.84 $0.829 $0.828 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: $2.06 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	$2.06	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: $0.64 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	$0.64	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