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NCP1342 Quasi-Resonant Flyback Controllers

onsemi NCP1342 Quasi-Resonant Flyback Controllers are highly integrated High-Frequency PWM (Pulse Width Modulation) Controllers intended to simplify the design of high-performance off-line power converters. With an integrated active X2 capacitor-discharge feature, the NCP1342 devices enable no-load power consumption below 30mW.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (TWD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Topology	Number of Outputs	Switching Frequency	Output Voltage	Output Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	Packaging
	Switching Controllers HIGH FREQUENCY QUAS I-RESO NCP1342AMDCDAD1R2G onsemi 1: NT$48.76 581In Stock	Mfr. Part # NCP1342AMDCDAD1R2G Mouser Part # 863-NCP1342AMDCDAD2G	onsemi	Switching Controllers HIGH FREQUENCY QUAS I-RESO Learn More about onsemi ncp1342 flyback controller	Datasheet	581In Stock	Cut Tape NT$48.76 NT$35.53 NT$32.19 NT$28.54 Reel NT$22.05 View NT$26.78 NT$25.70 NT$23.55 NT$21.73 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			Flyback	1 Output	3.9 kHz		800 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-9	Reel, Cut Tape, MouseReel
	Switching Controllers HIGH FREQUENCY QUASI-RESO onsemi NCP1342BMDCDD1R2G NCP1342BMDCDD1R2G onsemi 1: NT$45.53 4,861In Stock NRND	Mfr. Part # NCP1342BMDCDD1R2G Mouser Part # 863-CP1342BMDCDD1R2G NRND	onsemi	Switching Controllers HIGH FREQUENCY QUASI-RESO Learn More about onsemi ncp1342 flyback controller	Datasheet	4,861In Stock	Cut Tape NT$45.53 NT$27.10 NT$25.06 NT$22.80 View Reel NT$21.04 NT$21.73 NT$21.08 NT$21.04	Min.: 1 Mult.: 1 : 2,500												Reel, Cut Tape
	Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER onsemi NCP1342ENDCEAD1R2G NCP1342ENDCEAD1R2G onsemi 1: NT$44.81 2,390In Stock	Mfr. Part # NCP1342ENDCEAD1R2G Mouser Part # 863-P1342ENDCEAD1R2G	onsemi	Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER Learn More about onsemi ncp1342 flyback controller	Datasheet	2,390In Stock	Cut Tape NT$44.81 NT$32.59 NT$29.50 NT$26.10 Reel NT$21.47 View NT$24.49 NT$23.48 NT$22.19 NT$21.29	Min.: 1 Mult.: 1 : 2,500			Flyback	1 Output	25 kHz	12 V	800 mA	- 40 C	+ 125 C	SMD/SMT		Reel, Cut Tape
	Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER NCP1342ANDCDAD1R2G onsemi 1: NT$48.76 2,085In Stock	Mfr. Part # NCP1342ANDCDAD1R2G Mouser Part # 863-P1342ANDCDAD1R2G	onsemi	Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER Learn More about onsemi ncp1342 flyback controller	Datasheet	2,085In Stock	Cut Tape NT$48.76 NT$35.53 NT$32.19 NT$28.54 Reel NT$23.09 View NT$26.78 NT$25.70 NT$24.99 NT$22.55	Min.: 1 Mult.: 1 : 2,500			Flyback	1 Output	500 kHz			- 40 C	+ 125 C	SMD/SMT	SOIC-9	Reel, Cut Tape
	Switching Controllers HIGH FREQUENCY QUASI NCP1342AMAACD1R2G onsemi 1: NT$50.55 3,380In Stock	Mfr. Part # NCP1342AMAACD1R2G Mouser Part # 863-NCP1342AMAACD1RG	onsemi	Switching Controllers HIGH FREQUENCY QUASI Learn More about onsemi ncp1342 flyback controller	Datasheet	3,380In Stock	Cut Tape NT$50.55 NT$31.26 NT$28.57 NT$26.35 NT$26.24 Reel NT$22.37 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			Flyback	1 Output				- 40 C	+ 125 C	SMD/SMT	SOIC-9	Reel, Cut Tape, MouseReel
	Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER NCP1342DADBDGD1R2G onsemi 1: NT$45.53 2,532In Stock	Mfr. Part # NCP1342DADBDGD1R2G Mouser Part # 863-P1342DADBDGD1R2G	onsemi	Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER Learn More about onsemi ncp1342 flyback controller	Datasheet	2,532In Stock	Cut Tape NT$45.53 NT$32.98 NT$29.86 NT$26.42 Reel NT$23.34 View NT$24.77 NT$23.80 NT$23.34 NT$21.55	Min.: 1 Mult.: 1 : 2,500			Flyback	1 Output	500 kHz		800 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-9	Reel, Cut Tape
	Switching Controllers HIGH FREQUENCY QUASI-RESO NCP1342DADBDD1R2G onsemi 1: NT$49.47 526In Stock NRND	Mfr. Part # NCP1342DADBDD1R2G Mouser Part # 863-NCP1342DADBDD1R2 NRND	onsemi	Switching Controllers HIGH FREQUENCY QUASI-RESO Learn More about onsemi ncp1342 flyback controller	Datasheet	526In Stock	Cut Tape NT$49.47 NT$35.81 NT$32.41 NT$28.64 View Reel NT$21.94 NT$26.85 NT$25.74 NT$21.94 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			Flyback	1 Output	25 kHz	12 V	800 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-9	Reel, Cut Tape, MouseReel
	Switching Controllers HIGH FREQUENCY QUA NCP1342AMDCCDR2G onsemi 1: NT$45.53 2,481Expected 2/8/2027	Mfr. Part # NCP1342AMDCCDR2G Mouser Part # 863-NCP1342AMDCCDR2G	onsemi	Switching Controllers HIGH FREQUENCY QUA Learn More about onsemi ncp1342 flyback controller	Datasheet	2,481Expected 2/8/2027	Cut Tape NT$45.53 NT$33.20 NT$30.04 NT$26.56 View Reel NT$22.16 NT$24.88 NT$23.88 NT$22.80 NT$22.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			Flyback	1 Output	25 kHz	12 V	800 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel