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onsemi Switching Controllers

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Results: 327

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Manufacturer = onsemi

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Part #

Switching Controllers NCP1239B 100KHZ

NCP1239BD100R2G
onsemi
1: 0,80 €
1 559In Stock

Mfr. Part No.
NCP1239BD100R2G

Mouser Part No
863-NCP1239BD100R2G

onsemi

Switching Controllers NCP1239B 100KHZ

Learn More

Datasheet

1 559In Stock

Cut Tape

0,80 €

0,57 €

0,514 €

0,452 €

Reel

0,452 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 170

: 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: 0,80 €
568In Stock
2 500Expected 25/08/2026

Mfr. Part No.
NCP1239BD65R2G

Mouser Part No
863-NCP1239BD65R2G

onsemi

Switching Controllers NCP1239B 65KHZ

Learn More

Datasheet

568In Stock

2 500Expected 25/08/2026

Cut Tape

0,80 €

0,57 €

0,514 €

0,452 €

View

Reel

0,363 €

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 65KHZ

NCP1239MD65R2G
onsemi
1: 0,791 €
1 084In Stock

Mfr. Part No.
NCP1239MD65R2G

Mouser Part No
863-NCP1239MD65R2G

onsemi

Switching Controllers 65KHZ

Datasheet

1 084In Stock

Cut Tape

0,791 €

0,568 €

0,513 €

0,451 €

View

Reel

0,361 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

1 Output

65 kHz

84 %

- 40 C

+ 125 C

SMD/SMT

SOIC-7

Reel, Cut Tape, MouseReel

Switching Controllers FIXED FREQUENCY CURR ENT M

NCP12400BBBBB2DR2G
onsemi
1: 0,774 €
1 710In Stock

Mfr. Part No.
NCP12400BBBBB2DR2G

Mouser Part No
863-NCP12400BBBBBDRG

onsemi

Switching Controllers FIXED FREQUENCY CURR ENT M

Datasheet

1 710In Stock

Cut Tape

0,774 €

0,557 €

0,502 €

0,441 €

Reel

0,441 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 170

: 2 500

Flyback

1 Output

65 kHz

85 %

12 V

500 mA

- 40 C

+ 125 C

SMD/SMT

SOIC-7

Reel, Cut Tape, MouseReel

Switching Controllers FIXED FREQUENCY CURRENT MODE CONTROLLER FOR FLYBACK CONVERTERS

NCP12400CBAAB0DR2G
onsemi
1: 0,817 €
1 641In Stock

Mfr. Part No.
NCP12400CBAAB0DR2G

Mouser Part No
863-NCP12400CBAAB0DR

onsemi

Switching Controllers FIXED FREQUENCY CURRENT MODE CONTROLLER FOR FLYBACK CONVERTERS

Datasheet

1 641In Stock

Cut Tape

0,817 €

0,584 €

0,525 €

0,463 €

View

Reel

0,374 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Flyback

1 Output

65 kHz

85 %

12 V

500 mA

- 40 C

+ 125 C

SMD/SMT

SOIC-7

Reel, Cut Tape, MouseReel

Switching Controllers FIXED FREQUENCY CURR ENT M

NCP12400CBBAB0DR2G
onsemi
1: 0,826 €
43In Stock
2 500Expected 12/01/2027

Mfr. Part No.
NCP12400CBBAB0DR2G

Mouser Part No
863-NCP12400CBBABR2G

onsemi

Switching Controllers FIXED FREQUENCY CURR ENT M

Datasheet

43In Stock

2 500Expected 12/01/2027

Cut Tape

0,826 €

0,575 €

0,517 €

0,425 €

View

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Flyback

1 Output

65 kHz

85 %

500 mA

- 40 C

+ 125 C

SMD/SMT

SOIC-7

Reel, Cut Tape, MouseReel

Switching Controllers FIXED FREQUENCY CUR RENT M

NCP12400BBHAA1DR2G
onsemi
1: 0,774 €
1 777In Stock

Mfr. Part No.
NCP12400BBHAA1DR2G

Mouser Part No
863-NCP124BBHAA1DR2G

onsemi

Switching Controllers FIXED FREQUENCY CUR RENT M

Datasheet

1 777In Stock

Cut Tape

0,774 €

0,557 €

0,502 €

0,441 €

View

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

1 Output

100 kHz

85 %

500 mA

- 40 C

+ 150 C

SMD/SMT

SOIC-7

Reel, Cut Tape, MouseReel

Switching Controllers FIXED FREQUENCY CUR RENT M

NCP12400EAHBB0DR2G
onsemi
1: 0,774 €
1 459In Stock

Mfr. Part No.
NCP12400EAHBB0DR2G

Mouser Part No
863-NCP124EAHBB0DR2G

onsemi

Switching Controllers FIXED FREQUENCY CUR RENT M

Datasheet

1 459In Stock

Cut Tape

0,774 €

0,557 €

0,502 €

0,441 €

View

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Flyback

1 Output

65 kHz

85 %

12 V

500 mA

- 40 C

+ 150 C

SMD/SMT

SOIC-7

Reel, Cut Tape, MouseReel

Switching Controllers CURRENT-MODE PWM CONTROLL

NCP12510BSN100T1G
onsemi
1: 0,507 €
260In Stock

Mfr. Part No.
NCP12510BSN100T1G

Mouser Part No
863-NCP12510BSN100T1

onsemi

Switching Controllers CURRENT-MODE PWM CONTROLL

Learn More

Datasheet

260In Stock

Cut Tape

0,507 €

0,359 €

0,322 €

0,28 €

View

Reel

0,214 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Flyback

1 Output

100 kHz

84 %

12 V

500 mA

- 40 C

+ 125 C

SMD/SMT

TSOP-6

Reel, Cut Tape, MouseReel

Switching Controllers CURRENT-MODE PWM CONTROL

NCP12510CSN65T1G
onsemi
1: 0,499 €
3 700In Stock

Mfr. Part No.
NCP12510CSN65T1G

Mouser Part No
863-NCP12510CSN65T1G

onsemi

Switching Controllers CURRENT-MODE PWM CONTROL

Datasheet

3 700In Stock

Cut Tape

0,499 €

0,349 €

0,313 €

0,273 €

Reel

0,219 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Flyback

1 Output

65 kHz

84 %

12 V

500 mA

- 40 C

+ 125 C

SMD/SMT

TSOP-6

Reel, Cut Tape, MouseReel

Switching Controllers OCP AUTO OVP VCC LATCH

NCP1251BSN100T1G
onsemi
1: 0,628 €
2 329In Stock

Mfr. Part No.
NCP1251BSN100T1G

Mouser Part No
863-NCP1251BSN100T1G

onsemi

Switching Controllers OCP AUTO OVP VCC LATCH

Learn More

Datasheet

2 329In Stock

Cut Tape

0,628 €

0,45 €

0,408 €

0,361 €

View

Reel

0,292 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Flyback

1 Output

100 kHz

84 %

500 mA

- 40 C

+ 125 C

SMD/SMT

TSOP-6

Reel, Cut Tape, MouseReel

Switching Controllers OCP AUTO OVP VCC LATCH

NCP1251BSN65T1G
onsemi
1: 0,688 €
266In Stock
6 000Expected 02/10/2026

Mfr. Part No.
NCP1251BSN65T1G

Mouser Part No
863-NCP1251BSN65T1G

onsemi

Switching Controllers OCP AUTO OVP VCC LATCH

Learn More

Datasheet

266In Stock

6 000Expected 02/10/2026

Cut Tape

0,688 €

0,488 €

0,439 €

0,385 €

View

Reel

0,255 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Flyback

1 Output

65 kHz

84 %

500 mA

- 40 C

+ 125 C

SMD/SMT

TSOP-6

Reel, Cut Tape, MouseReel

Switching Controllers PWM Cntlr Crnt Mode

NCP1251CSN65T1G
onsemi
1: 0,559 €
3 366In Stock

Mfr. Part No.
NCP1251CSN65T1G

Mouser Part No
863-NCP1251CSN65T1G

onsemi

Switching Controllers PWM Cntlr Crnt Mode

Learn More

Datasheet

3 366In Stock

Cut Tape

0,559 €

0,395 €

0,354 €

0,31 €

Reel

0,243 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Flyback

1 Output

65 kHz

84 %

500 mA

- 40 C

+ 125 C

SMD/SMT

TSOP-6

Reel, Cut Tape, MouseReel

Switching Controllers CURR MDE PWM CNTRLR FWD FLYBCK APPS

NCP1252BDR2G
onsemi
1: 0,765 €
154In Stock
2 500Expected 27/11/2026

Mfr. Part No.
NCP1252BDR2G

Mouser Part No
863-NCP1252BDR2G

onsemi

Switching Controllers CURR MDE PWM CNTRLR FWD FLYBCK APPS

Datasheet

154In Stock

2 500Expected 27/11/2026

Cut Tape

0,765 €

0,537 €

0,482 €

0,425 €

Reel

0,425 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 180

: 2 500

Flyback, Forward

1 Output

500 kHz

80 %

12 V

800 mA

- 40 C

+ 125 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

Switching Controllers NCP1252C PWM CONTROLLER

NCP1252CDR2G
onsemi
1: 0,705 €
88In Stock
2 500Expected 13/10/2026

Mfr. Part No.
NCP1252CDR2G

Mouser Part No
863-NCP1252CDR2G

onsemi

Switching Controllers NCP1252C PWM CONTROLLER

Datasheet

88In Stock

2 500Expected 13/10/2026

Cut Tape

0,705 €

0,495 €

0,445 €

0,387 €

0,36 €

Reel

0,36 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 440

: 2 500

Flyback, Forward

1 Output

500 kHz

65 %

12 V

800 mA

- 40 C

+ 125 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

Switching Controllers Current Mode PWM Offline Controller

NCP1253BSN100T1G
onsemi
1: 0,525 €
1 367In Stock
3 000Expected 06/11/2026

Mfr. Part No.
NCP1253BSN100T1G

Mouser Part No
863-NCP1253BSN100T1G

onsemi

Switching Controllers Current Mode PWM Offline Controller

Learn More

Datasheet

1 367In Stock

3 000Expected 06/11/2026

Cut Tape

0,525 €

0,362 €

0,323 €

0,281 €

View

Reel

0,215 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Flyback

1 Output

100 kHz

84 %

12 V

500 mA

- 40 C

+ 125 C

SMD/SMT

TSOP-6

Reel, Cut Tape, MouseReel

Switching Controllers Current Mode PWM Offline Controller

NCP1253BSN65T1G
onsemi
1: 0,447 €
2 960In Stock

Mfr. Part No.
NCP1253BSN65T1G

Mouser Part No
863-NCP1253BSN65T1G

onsemi

Switching Controllers Current Mode PWM Offline Controller

Learn More

Datasheet

2 960In Stock

Cut Tape

0,447 €

0,313 €

0,28 €

0,243 €

View

Reel

0,19 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Flyback

1 Output

65 kHz

84 %

12 V

500 mA

- 40 C

+ 150 C

SMD/SMT

TSOP-6

Reel, Cut Tape, MouseReel

Switching Controllers CURRENT MODE PWM CONTROLL

NCP12700BDNR2G
onsemi
1: 1,40 €
63In Stock
4 000Expected 29/12/2026

Mfr. Part No.
NCP12700BDNR2G

Mouser Part No
863-NCP12700BDNR2G

onsemi

Switching Controllers CURRENT MODE PWM CONTROLL

Learn More

Datasheet

63In Stock

4 000Expected 29/12/2026

Cut Tape

1,40 €

1,02 €

0,912 €

0,808 €

0,783 €

Reel

0,783 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 510

: 4 000

Flyback, Forward

1 Output

100 kHz to 1 MHz

84 %

12 V

2.8 A

- 40 C

+ 125 C

SMD/SMT

MSOP-10

Reel, Cut Tape, MouseReel

Switching Controllers CURRENT MODE PWM CONTROL

NCP12700BMTTXG
onsemi
1: 1,46 €
170In Stock
11 070On Order

Mfr. Part No.
NCP12700BMTTXG

Mouser Part No
863-NCP12700BMTTXG

onsemi

Switching Controllers CURRENT MODE PWM CONTROL

Learn More

Datasheet

170In Stock

11 070On Order

Cut Tape

1,46 €

1,09 €

0,998 €

0,886 €

View

Reel

0,703 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3 000

: 3 000

Flyback, Forward

1 Output

100 kHz to 1 MHz

84 %

12 V

2.8 A

- 40 C

+ 125 C

SMD/SMT

WQFN-10

Reel, Cut Tape, MouseReel

Switching Controllers HIGH FREQUENCY QUAS I-RESO

NCP1342AMDCDAD1R2G
onsemi
1: 1,09 €
1 921In Stock
2 500Expected 08/09/2026

Mfr. Part No.
NCP1342AMDCDAD1R2G

Mouser Part No
863-NCP1342AMDCDAD2G

onsemi

Switching Controllers HIGH FREQUENCY QUAS I-RESO

Learn More

Datasheet

1 921In Stock

2 500Expected 08/09/2026

Cut Tape

1,09 €

0,794 €

0,719 €

0,636 €

View

Reel

0,516 €

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 PRIMARY SIDE PWM CONTROLLER FOR LOW POWER OFFLINE SMPS

NCP1362ABDR2G
onsemi
1: 0,783 €
1 775In Stock

Mfr. Part No.
NCP1362ABDR2G

Mouser Part No
863-NCP1362ABDR2G

onsemi

Switching Controllers PRIMARY SIDE PWM CONTROLLER FOR LOW POWER OFFLINE SMPS

Learn More

Datasheet

1 775In Stock

Cut Tape

0,783 €

0,557 €

0,502 €

0,442 €

Reel

0,347 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Flyback

1 Output

140 kHz

- 40 C

+ 125 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

Switching Controllers QUASI-RES CUR MODE CONTRL

NCP1380BDR2G
onsemi
1: 0,894 €
1 158In Stock
5 000Expected 11/09/2026

Mfr. Part No.
NCP1380BDR2G

Mouser Part No
863-NCP1380BDR2G

onsemi

Switching Controllers QUASI-RES CUR MODE CONTRL

Datasheet

1 158In Stock

5 000Expected 11/09/2026

Cut Tape

0,894 €

0,654 €

0,595 €

0,553 €

Reel

0,553 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 140

: 2 500

Flyback

1 Output

65 kHz

13 V

800 mA

- 40 C

+ 125 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

Switching Controllers RESONANT MODE CTRLR DIODE 3.3V

NCP1396ADR2G
onsemi
1: 1,27 €
187In Stock

Mfr. Part No.
NCP1396ADR2G

Mouser Part No
863-NCP1396ADR2G

onsemi

Switching Controllers RESONANT MODE CTRLR DIODE 3.3V

Datasheet

187In Stock

Cut Tape

1,27 €

0,963 €

0,877 €

0,786 €

Reel

0,66 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Half Bridge

2 Output

575 kHz

52 %

600 mV

1 A

- 40 C

+ 125 C

SMD/SMT

SOIC-16

Reel, Cut Tape, MouseReel

Switching Controllers HIGH PERF CURRENT MODE

NCP13992AFDR2G
onsemi
1: 1,79 €
926In Stock

Mfr. Part No.
NCP13992AFDR2G

Mouser Part No
863-NCP13992AFDR2G

onsemi

Switching Controllers HIGH PERF CURRENT MODE

Learn More

Datasheet

926In Stock

Cut Tape

1,79 €

1,32 €

1,20 €

1,08 €

Reel

0,877 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Half Bridge

1 Output

20 kHz to 750 kHz

50 %

15.8 V

1 A

- 55 C

+ 150 C

SMD/SMT

SOIC-16

Reel, Cut Tape, MouseReel

Switching Controllers SEC SIDE SYNC RECT DRV

NCP4304BDR2G
onsemi
1: 1,36 €
56In Stock

Mfr. Part No.
NCP4304BDR2G

Mouser Part No
863-NCP4304BDR2G

onsemi

Switching Controllers SEC SIDE SYNC RECT DRV

Datasheet

56In Stock

Cut Tape

1,36 €

1,01 €

0,903 €

0,808 €

0,71 €

Reel

0,649 €

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Flyback, Forward, Half Bridge

1 Output

500 kHz

50 %

4.5 V

5 A

- 40 C

+ 125 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

onsemi Switching Controllers

Customer Service Office

Company

Resources

Support

1 kHz
3.9 kHz
20 kHz to 750 kHz
22 kHz
22 kHz to 500 kHz
24 kHz to 125 kHz
25 kHz
25 kHz to 700 kHz
30 kHz
39 kHz to 690 kHz
40 kHz
50 kHz
60 kHz
65 kHz
65 kHz to 100 kHz
80 kHz to 110 kHz
80 kHz, 110 kHz
100 kHz
100 kHz to 1 MHz
100 kHz to 500 kHz

8 %
12.5 %
25 %
46 %
47.5 %
48 %
49 %
50 %
52 %
60 %
65 %
72 %
75 %
80 %
83 %
84 %
84.5 %
85 %
90 %
93 %

- 300 mV to 20 V
50 mV
300 mV
600 mV
600 mV to 5.3 V
800 mV
1 V
1.25 V
1.36 V
1.5 V to 5 V
2 V
2.1 V
2.5 V
3 V
3.3 V
3.3 V, 5 V
3.3 V to 21 V
3.5 V
4.5 V
4.8 V

10 uA
52.5 uA
100 uA
110 uA
130 uA
200 uA
800 uA
1 mA
1.2 mA
1.65 mA
2 mA
2.5 mA
4 mA
8 mA
10 mA
40 mA
50 mA
97 mA
100 mA
150 mA

DFN-8
DFNW-10
DIP-7
LSOP-7
MSOP-10
MSOP-8
PDIP-16
PDIP-8
PQFN-35
QFN-20
QFN-24
QFN-28
QFN-32
QFN-40
QFN-48
QFN-52
QFNW-20
QFNW-40
SOIC-10
SOIC-14