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.

Results: 8
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Description Datasheet Availability Pricing (GBP) 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
onsemi NCP1342ENDCEAD1R2G
onsemi Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER
Datasheet
2,400In Stock
Min.: 1
Mult.: 1
: 2,500

Flyback 1 Output 25 kHz 12 V 800 mA - 40 C + 125 C SMD/SMT Reel, Cut Tape
onsemi NCP1342BMDCDD1R2G
onsemi Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER
Datasheet
4,922In Stock
Min.: 1
Mult.: 1
: 2,500

Reel, Cut Tape
onsemi Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER
Datasheet
2,093In Stock
Min.: 1
Mult.: 1
: 2,500
Flyback 1 Output 500 kHz - 40 C + 125 C SMD/SMT SOIC-9 Reel, Cut Tape
onsemi Switching Controllers HIGH FREQUENCY QUASI-RESO
Datasheet
536In Stock
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
onsemi Switching Controllers HIGH FREQUENCY QUASI
Datasheet
854In Stock
2,500Expected 22/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 250
: 2,500

Flyback 1 Output - 40 C + 125 C SMD/SMT SOIC-9 Reel, Cut Tape, MouseReel
onsemi Switching Controllers HIGH FREQUENCY QUAS I-RESO
Datasheet
1,921In Stock
2,500Expected 21/08/2026
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


onsemi Switching Controllers HIGH FREQUENCY QUASI-RESONANT FLYBACK CONTROLLER
Datasheet
32In Stock
2,500Expected 04/12/2026
Min.: 1
Mult.: 1
: 2,500

Flyback 1 Output 500 kHz 800 mA - 40 C + 125 C SMD/SMT SOIC-9 Reel, Cut Tape
onsemi Switching Controllers HIGH FREQUENCY QUA
Datasheet
1In Stock
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