Circuit Protection – Mouser Canada

.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 7,541

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Thyristor Surge Protection Devices - TSPD 440V 50A DO214 2L SIDACtor Bi

P4802SALRP
Littelfuse
1: $2.44
4,548In Stock

Mfr. Part #
P4802SALRP

Mouser Part #
576-P4802SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 440V 50A DO214 2L SIDACtor Bi

Learn More

Datasheet

4,548In Stock

Cut Tape

$2.44

$1.55

$1.04

$0.90

Reel

$0.723

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP420E
Littelfuse
1: $4.18
2,594In Stock

Mfr. Part #
TMOV14RP420E

Mouser Part #
576-TMOV14RP420E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

2,594In Stock

$4.18

$2.90

$2.73

$2.33

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP320M
Littelfuse
1: $3.05
4,910In Stock

Mfr. Part #
TMOV20RP320M

Mouser Part #
576-TMOV20RP320M

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

4,910In Stock

$3.05

$2.27

$2.07

$1.86

View

Min.: 1
Mult.: 1

Varistors 30V 14mm Phenolic AEC-Q200 AUMOV

V14P30AUTO
Littelfuse
1: $0.998
5,651In Stock

Mfr. Part #
V14P30AUTO

Mouser Part #
576-V14P30AUTO

Littelfuse

Varistors 30V 14mm Phenolic AEC-Q200 AUMOV

Learn More

Datasheet

5,651In Stock

$0.998

$0.714

$0.642

$0.562

View

Min.: 1
Mult.: 1

Varistors 18V

V18MLE1206NH
Littelfuse
1: $2.87
4,797In Stock

Mfr. Part #
V18MLE1206NH

Mouser Part #
576-V18MLE1206NH

Littelfuse

Varistors 18V

Learn More

Datasheet

4,797In Stock

Cut Tape

$2.87

$1.78

$1.64

$1.35

View

Reel

$0.83

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 250V 220pF

V250LA10P
Littelfuse
1: $0.491
12,843In Stock

Mfr. Part #
V250LA10P

Mouser Part #
576-V250LA10P

Littelfuse

Varistors 250V 220pF

Learn More

Datasheet

12,843In Stock

$0.491

$0.348

$0.315

$0.273

View

Min.: 1
Mult.: 1

Varistors 510VAC 700J 1335V CLAMP 22KAPK 25MM

V25S510P
Littelfuse
1: $4.14
3,370In Stock

Mfr. Part #
V25S510P

Mouser Part #
576-V25S510P

Littelfuse

Varistors 510VAC 700J 1335V CLAMP 22KAPK 25MM

Learn More

Datasheet

3,370In Stock

$4.14

$3.15

$2.99

$2.75

View

Min.: 1
Mult.: 1

Varistors 750V 40kA 2700pF

V481DA40
Littelfuse
1: $80.08
78In Stock

Mfr. Part #
V481DA40

Mouser Part #
576-V481DA40

Littelfuse

Varistors 750V 40kA 2700pF

Learn More

Datasheet

78In Stock

$80.08

$65.27

Min.: 1
Mult.: 1

Varistors 48V 520pF 1210 AEC-Q200 MLA AUTO

V48MLA1210NHAUTO
Littelfuse
1: $1.93
4,194In Stock

Mfr. Part #
V48MLA1210NHAUTO

Mouser Part #
576-V48MLA1210NHAUTO

Littelfuse

Varistors 48V 520pF 1210 AEC-Q200 MLA AUTO

Learn More

Datasheet

4,194In Stock

Cut Tape

$1.93

$1.40

$1.27

$1.12

View

Reel

$0.853

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors 575V 450pF

V575LA80BP
Littelfuse
1: $2.27
7,754In Stock

Mfr. Part #
V575LA80BP

Mouser Part #
576-V575LA80BP

Littelfuse

Varistors 575V 450pF

Learn More

Datasheet

7,754In Stock

$2.27

$1.69

$1.21

$1.20

Min.: 1
Mult.: 1

Varistors 660V 70pF

V660LA10P
Littelfuse
1: $2.75
4,988In Stock

Mfr. Part #
V660LA10P

Mouser Part #
576-V660LA10P

Littelfuse

Varistors 660V 70pF

Learn More

Datasheet

4,988In Stock

$2.75

$1.69

$1.57

$1.29

View

Min.: 1
Mult.: 1

Varistors 4 VAC .4J 22V-CL 100A-P

V8ZA1P
Littelfuse
1: $0.43
7,117In Stock

Mfr. Part #
V8ZA1P

Mouser Part #
576-V8ZA1P

Littelfuse

Varistors 4 VAC .4J 22V-CL 100A-P

Learn More

Datasheet

7,117In Stock

$0.43

$0.339

$0.315

$0.29

$0.278

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 6V 100A SOD123FL RoHS

P0080S4BLRP
Littelfuse
1: $1.96
9,943In Stock

Mfr. Part #
P0080S4BLRP

Mouser Part #
576-P0080S4BLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 6V 100A SOD123FL RoHS

Learn More

Datasheet

9,943In Stock

Cut Tape

$1.96

$1.23

$0.817

$0.643

Reel

$0.457

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 15V 100A SOD123FL RoHS

P0220S4BLRP
Littelfuse
1: $1.96
4,615In Stock

Mfr. Part #
P0220S4BLRP

Mouser Part #
576-P0220S4BLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 15V 100A SOD123FL RoHS

Learn More

Datasheet

4,615In Stock

Cut Tape

$1.96

$1.23

$0.817

$0.671

Reel

$0.53

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP275EL2T7
Littelfuse
1: $2.86
1,692In Stock

Mfr. Part #
TMOV14RP275EL2T7

Mouser Part #
576-TMOV14RP275EL2T7

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

Learn More

Datasheet

1,692In Stock

Cut Tape

$2.86

$2.10

$1.92

$1.70

Reel

$1.40

View

Min.: 1
Mult.: 1

Reel: 400

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP420M
Littelfuse
1: $3.13
1,283In Stock

Mfr. Part #
TMOV20RP420M

Mouser Part #
576-TMOV20RP420M

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

Learn More

Datasheet

1,283In Stock

$3.13

$2.33

$2.12

$1.90

View

Min.: 1
Mult.: 1

Varistors 250V 20KA SQ 25MM PB FREE 25S

TMOV25SP250M
Littelfuse
1: $7.03
785In Stock

Mfr. Part #
TMOV25SP250M

Mouser Part #
576-TMOV25SP250M

Littelfuse

Varistors 250V 20KA SQ 25MM PB FREE 25S

Learn More

Datasheet

785In Stock

$7.03

$4.96

$4.48

$4.22

View

Min.: 1
Mult.: 1

Varistors 385V 20KA SQ 25MM PB FREE 25S

TMOV25SP385M
Littelfuse
1: $4.44
601In Stock

Mfr. Part #
TMOV25SP385M

Mouser Part #
576-TMOV25SP385M

Littelfuse

Varistors 385V 20KA SQ 25MM PB FREE 25S

Learn More

Datasheet

601In Stock

$4.44

$4.42

$4.27

Quote

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE

V07E25PL2T
Littelfuse
1: $1.32
9,685In Stock

Mfr. Part #
V07E25PL2T

Mouser Part #
576-V07E25PL2T

Littelfuse

Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE

Learn More

Datasheet

9,685In Stock

Cut Tape

$1.32

$0.80

$0.737

$0.589

Reel

$0.358

View

Min.: 1
Mult.: 1

Reel: 1,000

Varistors 300V 10mm Epoxy UltraMOV

V10E300P
Littelfuse
1: $1.37
8,776In Stock

Mfr. Part #
V10E300P

Mouser Part #
576-V10E300P

Littelfuse

Varistors 300V 10mm Epoxy UltraMOV

Learn More

Datasheet

8,776In Stock

$1.37

$0.82

$0.755

$0.605

View

Min.: 1
Mult.: 1

Varistors 40V 14mm Epoxy UltraMOV

V14E40PL1T
Littelfuse
1: $1.89
5,097In Stock

Mfr. Part #
V14E40PL1T

Mouser Part #
576-V14E40PL1T

Littelfuse

Varistors 40V 14mm Epoxy UltraMOV

Learn More

Datasheet

5,097In Stock

Cut Tape

$1.89

$1.15

$1.05

$0.855

Reel

$0.674

View

Min.: 1
Mult.: 1

Reel: 500

Varistors MLV Varistor 18V 0402 ML SERIES STD

V18MLA0402NR
Littelfuse
1: $0.507
14,774In Stock

Mfr. Part #
V18MLA0402NR

Mouser Part #
576-V18MLA0402NH

Littelfuse

Varistors MLV Varistor 18V 0402 ML SERIES STD

Learn More

Datasheet

14,774In Stock

Cut Tape

$0.507

$0.313

$0.269

$0.249

View

Reel

$0.181

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors 250V 40kA 5000pF

V251DA40
Littelfuse
1: $60.89
204In Stock

Mfr. Part #
V251DA40

Mouser Part #
576-V251DA40

Littelfuse

Varistors 250V 40kA 5000pF

Learn More

Datasheet

204In Stock

$60.89

$49.70

Min.: 1
Mult.: 1

Varistors 275V 50kA 9000pF 60mm Disc

V271BA60
Littelfuse
1: $130.46
47In Stock

Mfr. Part #
V271BA60

Mouser Part #
576-V271BA60

Littelfuse

Varistors 275V 50kA 9000pF 60mm Disc

Learn More

Datasheet

47In Stock

$130.46

$111.35

Min.: 1
Mult.: 1

Varistors 30V 1760pF 1210 AEC-Q200 MLA AUTO

V30MLA1210LNHAUTO
Littelfuse
1: $2.03
1,968In Stock

Mfr. Part #
V30MLA1210LNHAUTO

Mouser Part #
576-V30MLA1210LNHAUT

Littelfuse

Varistors 30V 1760pF 1210 AEC-Q200 MLA AUTO

Learn More

Datasheet

1,968In Stock

Cut Tape

$2.03

$1.63

$1.49

$1.32

Reel

$1.01

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

AC/DC Power Supply

Types of Circuit Protection

Mouser Electronics®

Company

Resources

Support