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VIPER26 Fixed Frequency Switching Converters

STMicroelectronics VIPER26 Fixed Frequency Off-Line Converters feature an 800V avalanche ruggedness power section, a PWM controller, user-defined overcurrent limit, and protection against feedback network disconnection. STMicroelectronics VIPER26 Fixed Frequency Off-Line Converters also offer hysteric thermal protection, soft start-up, and safe auto restart after 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	Technology	Switching Frequency	Duty Cycle - Max	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
	AC/DC Converters VIPer Plus 800V Fixed freq 60 kHz VIPER26LD STMicroelectronics 1: $2.48 1,990In Stock	Mfr. Part # VIPER26LD Mouser Part # 511-VIPER26LD	STMicroelectronics	AC/DC Converters VIPer Plus 800V Fixed freq 60 kHz Learn More about STMicroelectronics stm viper26 switching converters	Datasheet	1,990In Stock	$2.48 $1.84 $1.66 $1.50 View $1.41 $1.37 $1.31 $1.28 $1.24	Min.: 1 Mult.: 1			SMD/SMT	SOIC-Narrow-16	800 V	18 W	11.5 V	23.5 V	Si	60 kHz	80 %	2.5 mA	- 40 C	+ 150 C	VIPER26	Tube
	AC/DC Converters VIPer Plus 800V Fixed freq 60 kHz VIPER26LN STMicroelectronics 1: $1.27 A tariff of 38% may be applied if shipping to the United States. 1,391In Stock	Mfr. Part # VIPER26LN Mouser Part # 511-VIPER26LN	STMicroelectronics	AC/DC Converters VIPer Plus 800V Fixed freq 60 kHz Learn More about STMicroelectronics stm viper26 switching converters	Datasheet	1,391In Stock	$1.27 $0.92 $0.804 $0.736 View $0.689 $0.662 $0.632 $0.574 A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1			Through Hole	DIP-7	800 V	18 W	11.5 V	23.5 V	Si	60 kHz	80 %	2.5 mA	- 40 C	+ 150 C	VIPER26	Tube
	AC/DC Converters VIPer Plus 800V Fixed freq 115 kHz VIPER26HN STMicroelectronics 1: $1.21 249In Stock 10,000On Order	Mfr. Part # VIPER26HN Mouser Part # 511-VIPER26HN	STMicroelectronics	AC/DC Converters VIPer Plus 800V Fixed freq 115 kHz Learn More about STMicroelectronics stm viper26 switching converters	Datasheet	249In Stock 10,000On Order On Order Ship Dates Mfr. #: VIPER26HN Stock: 249 Can Ship Immediately On Order: 4,000 Expected 10/26/2026 6,000 Expected 6/8/2027 Factory Lead-Time: 36 Weeks	$1.21 $0.876 $0.742 $0.715 $0.672	Min.: 1 Mult.: 1			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 800V Fixed Freq VIPer plus PWM VIPER26HDTR STMicroelectronics 1: $1.19 70,000On Order	Mfr. Part # VIPER26HDTR Mouser Part # 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. #: VIPER26HDTR Stock: 0 On Order: 10,000 Expected 1/29/2027 10,000 Expected 5/7/2027 17,500 Expected 5/14/2027 32,500 Expected 5/21/2027 Factory Lead-Time: 46 Weeks	Cut Tape $1.19 $0.923 $0.774 $0.683 View Reel $0.574 $0.64 $0.614 $0.601 $0.574 MouseReel Available	Min.: 1 Mult.: 1 : 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 VIPer Plus 800V Fixed freq 115 kHz VIPER26HD STMicroelectronics 1: $1.21 15,985Expected 11/14/2026	Mfr. Part # VIPER26HD Mouser Part # 511-VIPER26HD	STMicroelectronics	AC/DC Converters VIPer Plus 800V Fixed freq 115 kHz Learn More about STMicroelectronics stm viper26 switching converters	Datasheet	15,985Expected 11/14/2026	$1.21 $0.873 $0.765 $0.698 View $0.661 $0.641 $0.619 $0.605 $0.569	Min.: 1 Mult.: 1			SMD/SMT	SOIC-Narrow-16	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 800V Fixed Freq VIPer plus PWM VIPER26LDTR STMicroelectronics 1: $1.19 5,000On Order	Mfr. Part # VIPER26LDTR Mouser Part # 511-VIPER26LDTR	STMicroelectronics	AC/DC Converters 800V Fixed Freq VIPer plus PWM Learn More about STMicroelectronics stm viper26 switching converters	Datasheet	5,000On Order On Order Ship Dates Mfr. #: VIPER26LDTR Stock: 0 On Order: 2,500 Expected 1/29/2027 2,500 Expected 3/12/2027 Factory Lead-Time: 43 Weeks	Cut Tape $1.19 $0.854 $0.77 $0.68 View Reel $0.559 $0.632 $0.606 $0.586 $0.559 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			SMD/SMT	SOIC-Narrow-16	800 V	18 W	11.5 V	23.5 V	Si	115 kHz	80 %	3.5 mA	- 40 C	+ 150 C	VIPER26	Reel, Cut Tape, MouseReel