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AC/DC Power Supply

Littelfuse AC/DC Power Supply is a commonly used building block in electronic designs. The components in these power supply building blocks need to be reliable and long-lasting, and Littelfuse offers a range of products that fit those requirements. This portfolio of components covers overcurrent and overvoltage protection, the power stage, and output protection. Typical applications for Littelfuse AC/DC Power Supply products include automotive, solar, industrial, manufacturing, and more.

All Results (9,225)

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Part #

Diode Modules 300 Amps 400V

MEK150-04DA
IXYS
1: $47.43
154In Stock

Mfr. Part No.
MEK150-04DA

Mouser Part No
747-MEK150-04DA

IXYS

Diode Modules 300 Amps 400V

Datasheet

154In Stock

$47.43

$41.21

$36.04

Min.: 1
Mult.: 1

Diode Modules DIODE FRED 200V, 356A

MEK350-02DA
IXYS
1: $71.71
308In Stock
6Expected 21/05/2026

Mfr. Part No.
MEK350-02DA

Mouser Part No
747-MEK350-02DA

IXYS

Diode Modules DIODE FRED 200V, 356A

Datasheet

308In Stock

6Expected 21/05/2026

$71.71

$55.40

Quote

Min.: 1
Mult.: 1

Rectifiers 4 Amps 8000V

UGE1112AY4
IXYS
1: $74.80
228In Stock

Mfr. Part No.
UGE1112AY4

Mouser Part No
747-UGE1112AY4

IXYS

Rectifiers 4 Amps 8000V

Datasheet

228In Stock

$74.80

$67.84

$66.21

View

Min.: 1
Mult.: 1

Bridge Rectifiers 190 Amps 1800V

VUO190-18NO7
IXYS
1: $87.12
281In Stock

Mfr. Part No.
VUO190-18NO7

Mouser Part No
747-VUO190-18NO7

IXYS

Bridge Rectifiers 190 Amps 1800V

Learn More

Datasheet

281In Stock

$87.12

$70.07

$70.06

Min.: 1
Mult.: 1

Rectifiers

W8405ZC100
IXYS
1: $651.44
8In Stock

Mfr. Part No.
W8405ZC100

Mouser Part No
747-W8405ZC100

IXYS

Rectifiers

Datasheet

8In Stock

$651.44

$579.98

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A

0402L020SLKR
Littelfuse
1: $2.61
3,894In Stock

Mfr. Part No.
0402L020SLKR

Mouser Part No
576-0402L020SLKR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A

Learn More

Datasheet

3,894In Stock

Cut Tape

$2.61

$2.20

$2.05

$2.04

View

Reel

$1.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .500A

0402L050SLKR
Littelfuse
1: $2.77
3,059In Stock

Mfr. Part No.
0402L050SLKR

Mouser Part No
576-0402L050SLKR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .500A

Learn More

Datasheet

3,059In Stock

Cut Tape

$2.77

$2.38

$2.20

$2.16

View

Reel

$1.35

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1A

0603L100SLYR
Littelfuse
1: $1.64
13,624In Stock

Mfr. Part No.
0603L100SLYR

Mouser Part No
576-0603L100SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1A

Learn More

Datasheet

13,624In Stock

Cut Tape

$1.64

$1.51

$1.26

$1.16

View

Reel

$0.833

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.5A

0603L150SLYR
Littelfuse
1: $1.75
2,572In Stock
4,000Expected 09/03/2026

Mfr. Part No.
0603L150SLYR

Mouser Part No
576-0603L150SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.5A

Learn More

Datasheet

2,572In Stock

4,000Expected 09/03/2026

Cut Tape

$1.75

$1.64

$1.51

$1.26

View

Reel

$0.833

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.75A

0603L175SLYR
Littelfuse
1: $1.64
17,123In Stock

Mfr. Part No.
0603L175SLYR

Mouser Part No
576-0603L175SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.75A

Learn More

Datasheet

17,123In Stock

Cut Tape

$1.64

$1.51

$1.26

$1.16

View

Reel

$0.833

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V 2.0A-HD 50A MAX

0603L200SL-VYR
Littelfuse
1: $1.87
3,314In Stock

Mfr. Part No.
0603L200SL-VYR

Mouser Part No
576-0603L200SL-VYR

Littelfuse

Resettable Fuses - PPTC 6V 2.0A-HD 50A MAX

Learn More

Datasheet

3,314In Stock

Cut Tape

$1.87

$1.55

$1.43

$1.19

View

Reel

$0.833

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V 3.0A-HD 50A SMD

0805L300SLTHYR
Littelfuse
1: $1.91
2,368In Stock

Mfr. Part No.
0805L300SLTHYR

Mouser Part No
576-0805L300SLTHYR

Littelfuse

Resettable Fuses - PPTC 6V 3.0A-HD 50A SMD

Learn More

Datasheet

2,368In Stock

Cut Tape

$1.91

$1.76

$1.46

$1.35

View

Reel

$0.861

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V 4.0A-HD 50A SMD

0805L400SLWR
Littelfuse
1: $1.91
1,629In Stock

Mfr. Part No.
0805L400SLWR

Mouser Part No
576-0805L400SLWR

Littelfuse

Resettable Fuses - PPTC 6V 4.0A-HD 50A SMD

Learn More

Datasheet

1,629In Stock

Cut Tape

$1.91

$1.76

$1.46

$1.35

View

Reel

$0.985

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.50A

1206L150/12SLYR
Littelfuse
1: $2.75
3,055In Stock

Mfr. Part No.
1206L150/12SLYR

Mouser Part No
576-1206L150/12SLYR

Littelfuse

Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.50A

Learn More

Datasheet

3,055In Stock

Cut Tape

$2.75

$2.41

$2.23

$2.15

View

Reel

$1.37

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.50A

1206L150SLYR
Littelfuse
1: $1.70
3,422In Stock

Mfr. Part No.
1206L150SLYR

Mouser Part No
576-1206L150SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.50A

Learn More

Datasheet

3,422In Stock

Cut Tape

$1.70

$1.46

$1.28

$1.22

View

Reel

$0.833

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 12V 3.0A-HD 50A SMD

1206L300/12SLYR
Littelfuse
1: $1.91
2,013In Stock

Mfr. Part No.
1206L300/12SLYR

Mouser Part No
576-1206L300/12SLYR

Littelfuse

Resettable Fuses - PPTC 12V 3.0A-HD 50A SMD

Learn More

Datasheet

2,013In Stock

Cut Tape

$1.91

$1.76

$1.46

$1.35

View

Reel

$0.861

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4A

1206L400SLWR
Littelfuse
1: $1.78
11,834In Stock

Mfr. Part No.
1206L400SLWR

Mouser Part No
576-1206L400SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4A

Learn More

Datasheet

11,834In Stock

Cut Tape

$1.78

$1.71

$1.46

$1.35

View

Reel

$0.985

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 12V 5.0A-HD 50A SMD

1206L500/12SLPR
Littelfuse
1: $1.91
2,848In Stock

Mfr. Part No.
1206L500/12SLPR

Mouser Part No
576-1206L500/12SLPR

Littelfuse

Resettable Fuses - PPTC 12V 5.0A-HD 50A SMD

Learn More

Datasheet

2,848In Stock

Cut Tape

$1.91

$1.76

$1.46

$1.35

Reel

$1.04

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.0KV

CG31.0LTR
Littelfuse
1: $4.43
956In Stock

Mfr. Part No.
CG31.0LTR

Mouser Part No
576-CG31.0LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.0KV

Learn More

Datasheet

956In Stock

Cut Tape

$4.43

$3.68

$3.40

$2.83

View

Reel

$2.05

Min.: 1
Mult.: 1

Reel: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.5KV

CG31.5
Littelfuse
1: $3.98
948In Stock

Mfr. Part No.
CG31.5

Mouser Part No
576-CG31.5

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.5KV

Learn More

Datasheet

948In Stock

$3.98

$3.70

$3.58

$2.81

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 1.5KV NOM

CG31.5L
Littelfuse
1: $3.17
1,976In Stock

Mfr. Part No.
CG31.5L

Mouser Part No
576-CG31.5L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 1.5KV NOM

Learn More

Datasheet

1,976In Stock

$3.17

$2.76

$2.53

$2.29

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 2.0KV NOM

CG32.0L
Littelfuse
1: $3.44
715In Stock

Mfr. Part No.
CG32.0L

Mouser Part No
576-CG32.0L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 2.0KV NOM

Learn More

Datasheet

715In Stock

$3.44

$2.70

$2.62

$2.51

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 2.0KV

CG32.0LTR
Littelfuse
1: $4.04
887In Stock

Mfr. Part No.
CG32.0LTR

Mouser Part No
576-CG32.0LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 2.0KV

Learn More

Datasheet

887In Stock

Cut Tape

$4.04

$3.77

$3.64

$2.86

View

Reel

$2.05

Min.: 1
Mult.: 1

Reel: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 2.5KV NOM

CG32.5L
Littelfuse
1: $3.95
1,982In Stock

Mfr. Part No.
CG32.5L

Mouser Part No
576-CG32.5L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 2.5KV NOM

Learn More

Datasheet

1,982In Stock

$3.95

$3.28

$3.03

$2.51

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 250A 600VAC 300VDC Class T

JLLS250.X
Littelfuse
1: $207.12
14In Stock

Mfr. Part No.
JLLS250.X

Mouser Part No
576-JLLS250.X

Littelfuse

Industrial & Electrical Fuses 250A 600VAC 300VDC Class T

Learn More

Datasheet

14In Stock

$207.12

$176.39

$166.58

$130.36

View

Min.: 1
Mult.: 1

AC/DC Power Supply

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AC/DC Power Supply

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