Switching Controllers – Mouser Mexico

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NCP1239 Switching Controllers

onsemi NCP1239 Switching Controllers are fixed-frequency current-mode controllers featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the V_CC capacitor. These NCP1239 controllers feature a timer-based fault detection circuitry that ensures a quasi-flat overload detection, independent of the input voltage. Typical applications include AC-DC converters for TVs, set-top boxes, and printers offline adapters for notebooks and netbooks.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Topology	Number of Outputs	Switching Frequency	Duty Cycle - Max	Output Voltage	Output Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	Packaging
Switching Controllers NCP1239E 65KHZ NCP1239ED65R2G onsemi 1: $1.29 2,489In Stock	Mfr. Part # NCP1239ED65R2G Mouser Part # 863-NCP1239ED65R2G	onsemi	Switching Controllers NCP1239E 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,489In Stock	Cut Tape $1.29 $0.93 $0.837 $0.736 Reel $0.61 View $0.688 $0.659 $0.638 $0.594 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239D 65KHZ NCP1239DD65R2G onsemi 1: $1.29 2,434In Stock	Mfr. Part # NCP1239DD65R2G Mouser Part # 863-NCP1239DD65R2G	onsemi	Switching Controllers NCP1239D 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,434In Stock	Cut Tape $1.29 $0.93 $0.837 $0.736 Reel $0.61 View $0.688 $0.659 $0.638 $0.594 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239E 100KHZ NCP1239ED100R2G onsemi 1: $1.30 2,165In Stock	Mfr. Part # NCP1239ED100R2G Mouser Part # 863-NCP1239ED100R2G	onsemi	Switching Controllers NCP1239E 100KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,165In Stock	Cut Tape $1.30 $0.931 $0.839 $0.737 View Reel $0.61 $0.689 $0.66 $0.64 $0.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	100 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239G 100KHZ NCP1239GD100R2G onsemi 1: $1.30 2,178In Stock NRND	Mfr. Part # NCP1239GD100R2G Mouser Part # 863-NCP1239GD100R2G NRND	onsemi	Switching Controllers NCP1239G 100KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,178In Stock	Cut Tape $1.30 $0.931 $0.839 $0.737 View Reel $0.61 $0.689 $0.66 $0.64 $0.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	100 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239J 65KHZ NCP1239JD65R2G onsemi 1: $1.29 2,817In Stock NRND	Mfr. Part # NCP1239JD65R2G Mouser Part # 863-NCP1239JD65R2G NRND	onsemi	Switching Controllers NCP1239J 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,817In Stock	Cut Tape $1.29 $0.926 $0.833 $0.733 View Reel $0.606 $0.685 $0.657 $0.636 $0.606 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239C 65KHZ NCP1239CD65R2G onsemi 1: $1.30 2,148In Stock NRND	Mfr. Part # NCP1239CD65R2G Mouser Part # 863-NCP1239CD65R2G NRND	onsemi	Switching Controllers NCP1239C 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,148In Stock	Cut Tape $1.30 $0.931 $0.839 $0.737 View Reel $0.61 $0.689 $0.66 $0.64 $0.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239F 65KHZ NCP1239FD65R2G onsemi 1: $1.30 2,495In Stock	Mfr. Part # NCP1239FD65R2G Mouser Part # 863-NCP1239FD65R2G	onsemi	Switching Controllers NCP1239F 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,495In Stock	Cut Tape $1.30 $0.931 $0.839 $0.737 View Reel $0.556 $0.689 $0.66 $0.64 $0.556 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239L 100KHZ NCP1239LD100R2G onsemi 1: $1.29 2,500In Stock	Mfr. Part # NCP1239LD100R2G Mouser Part # 863-NCP1239LD100R2G	onsemi	Switching Controllers NCP1239L 100KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,500In Stock	Cut Tape $1.29 $0.93 $0.837 $0.736 Reel $0.61 View $0.688 $0.659 $0.638 $0.594	Min.: 1 Mult.: 1 : 2,500	Flyback		100 kHz	84 %		500 mA		+ 150 C	SMD/SMT	SOIC-7	Reel, Cut Tape
Switching Controllers NCP1239A 65KHZ NCP1239AD65R2G onsemi 1: $1.27 11,981In Stock	Mfr. Part # NCP1239AD65R2G Mouser Part # 863-NCP1239AD65R2G	onsemi	Switching Controllers NCP1239A 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	11,981In Stock	Cut Tape $1.27 $0.924 $0.832 $0.732 Reel $0.606 View $0.684 $0.655 $0.634 $0.592 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239K, 65KHZ NCP1239KD65R2G onsemi 1: $1.30 2,505In Stock NRND	Mfr. Part # NCP1239KD65R2G Mouser Part # 863-NCP1239KD65R2G NRND	onsemi	Switching Controllers NCP1239K, 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,505In Stock	Cut Tape $1.30 $0.937 $0.844 $0.742 Reel $0.615 View $0.694 $0.664 $0.644 $0.599 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239B 100KHZ NCP1239BD100R2G onsemi 1: $1.29 1,561In Stock	Mfr. Part # NCP1239BD100R2G Mouser Part # 863-NCP1239BD100R2G	onsemi	Switching Controllers NCP1239B 100KHZ Learn More about onsemi ncp1239 controllers	Datasheet	1,561In Stock	Cut Tape $1.29 $0.93 $0.837 $0.736 Reel $0.61 View $0.688 $0.659 $0.638 $0.594 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	100 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239B 65KHZ NCP1239BD65R2G onsemi 1: $1.29 2,701In Stock	Mfr. Part # NCP1239BD65R2G Mouser Part # 863-NCP1239BD65R2G	onsemi	Switching Controllers NCP1239B 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,701In Stock	Cut Tape $1.29 $0.93 $0.837 $0.736 Reel $0.61 View $0.688 $0.659 $0.638 $0.594 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239I 65KHZ NCP1239ID65R2G onsemi 1: $1.27 2,430In Stock	Mfr. Part # NCP1239ID65R2G Mouser Part # 863-NCP1239ID65R2G	onsemi	Switching Controllers NCP1239I 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	2,430In Stock	Cut Tape $1.27 $0.917 $0.826 $0.725 Reel $0.601 View $0.677 $0.649 $0.628 $0.586 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel, Cut Tape, MouseReel
Switching Controllers NCP1239H 65KHZ NCP1239HD65R2G onsemi 2,500: $0.61 12,500Factory Stock Available NRND	Mfr. Part # NCP1239HD65R2G Mouser Part # 863-NCP1239HD65R2G NRND	onsemi	Switching Controllers NCP1239H 65KHZ Learn More about onsemi ncp1239 controllers	Datasheet	12,500Factory Stock Available More Info Available	Reel $0.61	Min.: 2,500 Mult.: 2,500 : 2,500	Flyback	1 Output	65 kHz	84 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7	Reel

NCP1239 Switching Controllers

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NCP1239 Switching Controllers

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