Circuit Protection – Mouser Singapore

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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.

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Types of Circuit Protection

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Results: 7,170

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RoHS Compliant

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Part #

Varistors 35VAC 45VDC 1800pF AEC-Q200

V45MLA1812NRAUTO
Littelfuse
1: $4.15
1,404In Stock

Mfr. Part No.
V45MLA1812NRAUTO

Mouser Part No
576-V45MLA1812NRAUTO

Littelfuse

Varistors 35VAC 45VDC 1800pF AEC-Q200

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Datasheet

1,404In Stock

Cut Tape

$4.15

$2.99

$2.82

$2.41

Reel

$1.75

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors 50VAC 65VDC 1500pF AEC-Q200

V65MLA1812NRAUTO
Littelfuse
1: $4.15
2,543In Stock

Mfr. Part No.
V65MLA1812NRAUTO

Mouser Part No
576-V65MLA1812NRAUTO

Littelfuse

Varistors 50VAC 65VDC 1500pF AEC-Q200

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Datasheet

2,543In Stock

Cut Tape

$4.15

$2.99

$2.82

$2.41

Reel

$1.66

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

0603L175SLYR
Littelfuse
1: $2.56
16,259In Stock

Mfr. Part No.
0603L175SLYR

Mouser Part No
576-0603L175SLYR

Littelfuse

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

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Datasheet

16,259In Stock

Cut Tape

$2.56

$2.00

$1.71

$1.65

View

Reel

$1.16

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A

1206L300SLTHYR
Littelfuse
1: $2.56
49,560In Stock

Mfr. Part No.
1206L300SLTHYR

Mouser Part No
576-1206L300SLTHYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A

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Datasheet

49,560In Stock

Cut Tape

$2.56

$2.35

$1.94

$1.77

View

Reel

$1.09

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 350V 3000A DO214AB RoHS

P3800S3NLRP
Littelfuse
1: $8.96
5,927In Stock

Mfr. Part No.
P3800S3NLRP

Mouser Part No
576-P3800S3NLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 350V 3000A DO214AB RoHS

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Datasheet

5,927In Stock

Cut Tape

$8.96

$5.98

$4.35

$4.13

$3.92

Reel

$3.92

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Cartridge Fuses 250V 4A Slo-Blo

0215004.MXEP
Littelfuse
1: $3.69
12,838In Stock

Mfr. Part No.
0215004.MXEP

Mouser Part No
576-0215004.MXEP

Littelfuse

Cartridge Fuses 250V 4A Slo-Blo

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Datasheet

12,838In Stock

$3.69

$3.50

$2.90

$2.53

View

Min.: 1
Mult.: 1

Fuse Holder CLASS T FUSE BLOCK 600V 60A 3 POLE

LFT600603C
Littelfuse
1: $80.32
1,483In Stock

Mfr. Part No.
LFT600603C

Mouser Part No
576-LFT600603C

Littelfuse

Fuse Holder CLASS T FUSE BLOCK 600V 60A 3 POLE

Datasheet

1,483In Stock

$80.32

$71.69

$66.12

$54.73

$52.32

Min.: 1
Mult.: 1

Varistors HIGH ENERGY PCB USE

V111HB34
Littelfuse
1: $14.84
310In Stock
150Expected 17/8/2026

Mfr. Part No.
V111HB34

Mouser Part No
576-V111HB34

Littelfuse

Varistors HIGH ENERGY PCB USE

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Datasheet

310In Stock

150Expected 17/8/2026

$14.84

$13.26

$12.65

$9.40

Min.: 1
Mult.: 1

Varistors 60VAC 85VDC 1100pF AEC-Q200

V85MLA1812NRAUTO
Littelfuse
1: $4.15
881In Stock
1,000Expected 13/8/2026

Mfr. Part No.
V85MLA1812NRAUTO

Mouser Part No
576-V85MLA1812NRAUTO

Littelfuse

Varistors 60VAC 85VDC 1100pF AEC-Q200

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Datasheet

881In Stock

1,000Expected 13/8/2026

Cut Tape

$4.15

$2.99

$2.82

$2.41

Reel

$1.66

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Cartridge Fuses 250V .8A Slo-Blo

0215.800MXP
Littelfuse
1: $2.43
2,650In Stock

Mfr. Part No.
0215.800MXP

Mouser Part No
576-0215.800MXP

Littelfuse

Cartridge Fuses 250V .8A Slo-Blo

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Datasheet

2,650In Stock

$2.43

$2.18

$2.03

$1.70

View

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 65V 50A DO214 2L SIDACtor Bi

P0722SALRP
Littelfuse
1: $2.35
2,794In Stock

Mfr. Part No.
P0722SALRP

Mouser Part No
576-P0722SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 65V 50A DO214 2L SIDACtor Bi

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Datasheet

2,794In Stock

Cut Tape

$2.35

$1.51

$1.01

$0.881

$0.816

Reel

$0.733

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Thyristor Surge Protection Devices - TSPD 50A 170V

P1800SALRP
Littelfuse
1: $2.15
4,100In Stock

Mfr. Part No.
P1800SALRP

Mouser Part No
576-P1800SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 170V

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Datasheet

4,100In Stock

Cut Tape

$2.15

$1.35

$0.681

$0.592

Reel

$0.592

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Thyristor Surge Protection Devices - TSPD HIGH SURGE 190V 1000A

P2300SDLRP
Littelfuse
1: $2.86
5,925In Stock

Mfr. Part No.
P2300SDLRP

Mouser Part No
576-P2300SDLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD HIGH SURGE 190V 1000A

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Datasheet

5,925In Stock

Cut Tape

$2.86

$1.82

$1.23

$0.978

$0.896

Reel

$0.828

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Thyristor Surge Protection Devices - TSPD HIGH SURGE 220V 1000A

P2600SDLRP
Littelfuse
1: $2.86
3,317In Stock

Mfr. Part No.
P2600SDLRP

Mouser Part No
576-P2600SDLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD HIGH SURGE 220V 1000A

Learn More

Datasheet

3,317In Stock

Cut Tape

$2.86

$1.82

$1.23

$0.978

$0.896

Reel

$0.828

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Thyristor Surge Protection Devices - TSPD 100A 275V

P3100SBLRP
Littelfuse
1: $2.38
14,081In Stock

Mfr. Part No.
P3100SBLRP

Mouser Part No
576-P3100SBLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 100A 275V

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Datasheet

14,081In Stock

Cut Tape

$2.38

$1.24

$0.87

$0.73

$0.677

Reel

$0.643

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Thyristor Surge Protection Devices - TSPD 3Chp 270V 100A

P3203ABL
Littelfuse
1: $5.94
811In Stock

Mfr. Part No.
P3203ABL

Mouser Part No
576-P3203ABL

Littelfuse

Thyristor Surge Protection Devices - TSPD 3Chp 270V 100A

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Datasheet

811In Stock

$5.94

$3.98

$3.10

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 30A 12V SOT23-5L

SDP0120T023G5RP
Littelfuse
1: $2.04
6,892In Stock

Mfr. Part No.
SDP0120T023G5RP

Mouser Part No
576-SDP0120T023G5RP

Littelfuse

Thyristor Surge Protection Devices - TSPD 30A 12V SOT23-5L

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Datasheet

6,892In Stock

Cut Tape

$2.04

$1.29

$0.857

$0.67

Reel

$0.537

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP420M
Littelfuse
1: $2.79
1,495In Stock

Mfr. Part No.
TMOV14RP420M

Mouser Part No
576-TMOV14RP420M

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

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Datasheet

1,495In Stock

$2.79

$2.07

$1.89

$1.69

View

Min.: 1
Mult.: 1

Varistors 140V 900pF

V140LA10AP
Littelfuse
1: $0.775
6,142In Stock

Mfr. Part No.
V140LA10AP

Mouser Part No
576-V140LA10AP

Littelfuse

Varistors 140V 900pF

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Datasheet

6,142In Stock

$0.775

$0.544

$0.488

$0.427

View

Min.: 1
Mult.: 1

Varistors 26V 100A 190pF

V26MLA0805NT
Littelfuse
1: $0.639
9,367In Stock

Mfr. Part No.
V26MLA0805NT

Mouser Part No
576-V26MLA0805NT

Littelfuse

Varistors 26V 100A 190pF

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Datasheet

9,367In Stock

Cut Tape

$0.639

$0.447

$0.40

$0.347

View

Reel

$0.241

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Thyristor Surge Protection Devices - TSPD 350V 5000A TO218

P3800MEL
Littelfuse
1: $14.05
452In Stock

Mfr. Part No.
P3800MEL

Mouser Part No
576-P3800MEL

Littelfuse

Thyristor Surge Protection Devices - TSPD 350V 5000A TO218

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Datasheet

452In Stock

$14.05

$9.75

$9.44

$8.84

Min.: 1
Mult.: 1

Varistors 175V 20KA SQ 25MM PB FREE 25S

TMOV25SP175M
Littelfuse
1: $7.89
575In Stock

Mfr. Part No.
TMOV25SP175M

Mouser Part No
576-TMOV25SP175M

Littelfuse

Varistors 175V 20KA SQ 25MM PB FREE 25S

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Datasheet

575In Stock

$7.89

$5.56

$5.03

$4.75

View

Min.: 1
Mult.: 1

Varistors 18V 1440pF 1210 AEC-Q200 MLA AUTO

V18MLA1210NHAUTO
Littelfuse
1: $3.32
2,335In Stock

Mfr. Part No.
V18MLA1210NHAUTO

Mouser Part No
576-V18MLA1210NHAUTO

Littelfuse

Varistors 18V 1440pF 1210 AEC-Q200 MLA AUTO

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Datasheet

2,335In Stock

Cut Tape

$3.32

$2.08

$1.96

$1.67

Reel

$1.22

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Varistors DHB Series

V421DHB34
Littelfuse
1: $30.48
115In Stock

Mfr. Part No.
V421DHB34

Mouser Part No
576-V421DHB34

Littelfuse

Varistors DHB Series

Learn More

Datasheet

115In Stock

$30.48

$26.42

$25.34

$20.88

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 100A 220V

P2600EBL
Littelfuse
1: $2.68
7,682In Stock

Mfr. Part No.
P2600EBL

Mouser Part No
576-P2600EBL

Littelfuse

Thyristor Surge Protection Devices - TSPD 100A 220V

Learn More

Datasheet

7,682In Stock

$2.68

$1.70

$1.14

$0.903

View

Min.: 1
Mult.: 1

AC/DC Power Supply

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