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: 7,542

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 #

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

1206L300SLTHYR
Littelfuse
1: $2.26
54,467In Stock

Mfr. Part #
1206L300SLTHYR

Mouser Part #
576-1206L300SLTHYR

Littelfuse

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

Learn More

Datasheet

54,467In Stock

Cut Tape

$2.26

$1.97

$1.78

$1.61

View

Reel

$1.13

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Fuse Holder CLASS T FUSE BLOCK 300V 100A 3 POLE

LFT301003CS
Littelfuse
1: $251.49
114In Stock

Mfr. Part #
LFT301003CS

Mouser Part #
576-LFT301003CS

Littelfuse

Fuse Holder CLASS T FUSE BLOCK 300V 100A 3 POLE

Datasheet

114In Stock

$251.49

$226.84

$221.65

Quote

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD SIDACtor LH Bi 734V 250A DO214 2L RoHS

P8002SBLRP
Littelfuse
1: $3.10
3,730In Stock

Mfr. Part #
P8002SBLRP

Mouser Part #
576-P8002SBLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD SIDACtor LH Bi 734V 250A DO214 2L RoHS

Learn More

Datasheet

3,730In Stock

Cut Tape

$3.10

$1.97

$1.31

$1.07

Reel

$0.773

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device

SEP0080Q38CB
Littelfuse
1: $5.61
7,875In Stock

Mfr. Part #
SEP0080Q38CB

Mouser Part #
576-SEP0080Q38CB

Littelfuse

Thyristor Surge Protection Devices - TSPD SEP Ethernet 100A Biasd Protec. Device

Learn More

Datasheet

7,875In Stock

Cut Tape

$5.61

$3.67

$2.57

$2.26

Reel

$1.89

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Varistors 275V 250A 50pF 13 Inch Reel

V430CH8
Littelfuse
1: $1.67
37,051In Stock

Mfr. Part #
V430CH8

Mouser Part #
576-V430CH8

Littelfuse

Varistors 275V 250A 50pF 13 Inch Reel

Learn More

Datasheet

37,051In Stock

Cut Tape

$1.67

$1.40

$1.28

$1.13

View

Reel

$0.845

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

ESD Protection Diodes / TVS Diodes 600W 24V 5% Uni-Directional

SMBJ24A
Littelfuse
1: $0.372
232,175In Stock

Mfr. Part #
SMBJ24A

Mouser Part #
576-SMBJ24A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 24V 5% Uni-Directional

Learn More

Datasheet

232,175In Stock

Cut Tape

$0.372

$0.288

$0.195

$0.183

Reel

$0.124

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Cartridge Fuses 250V 4A Slo-Blo

0215004.MXEP
Littelfuse
1: $4.22
13,894In Stock

Mfr. Part #
0215004.MXEP

Mouser Part #
576-0215004.MXEP

Littelfuse

Cartridge Fuses 250V 4A Slo-Blo

Learn More

Datasheet

13,894In Stock

$4.22

$3.50

$2.84

$2.42

View

Min.: 1
Mult.: 1

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

LFT600603C
Littelfuse
1: $79.89
1,571In Stock

Mfr. Part #
LFT600603C

Mouser Part #
576-LFT600603C

Littelfuse

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

Datasheet

1,571In Stock

$79.89

$72.96

$66.85

$57.43

View

Min.: 1
Mult.: 1

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

P3800S3NLRP
Littelfuse
1: $9.38
6,209In Stock

Mfr. Part #
P3800S3NLRP

Mouser Part #
576-P3800S3NLRP

Littelfuse

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

Learn More

Datasheet

6,209In Stock

Cut Tape

$9.38

$6.29

$4.54

$4.50

Reel

$4.31

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 33V 180A 500pF

V33MLA1206NH
Littelfuse
1: $1.19
56,794In Stock

Mfr. Part #
V33MLA1206NH

Mouser Part #
576-V33MLA1206NH

Littelfuse

Varistors 33V 180A 500pF

Learn More

Datasheet

56,794In Stock

Cut Tape

$1.19

$0.936

$0.879

$0.814

Reel

$0.691

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 42V 14mm Phenolic AEC-Q200 AUMOV

V14P42AUTO
Littelfuse
1: $1.01
7,279In Stock

Mfr. Part #
V14P42AUTO

Mouser Part #
576-V14P42AUTO

Littelfuse

Varistors 42V 14mm Phenolic AEC-Q200 AUMOV

Learn More

Datasheet

7,279In Stock

$1.01

$0.721

$0.648

$0.567

View

Min.: 1
Mult.: 1

Varistors 25V 10mm Phenolic AEC-Q200 AUMOV

V10P25AUTO
Littelfuse
1: $1.01
5,468In Stock

Mfr. Part #
V10P25AUTO

Mouser Part #
576-V10P25AUTO

Littelfuse

Varistors 25V 10mm Phenolic AEC-Q200 AUMOV

Learn More

Datasheet

5,468In Stock

$1.01

$0.71

$0.636

$0.555

View

Min.: 1
Mult.: 1

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

CG31.0
Littelfuse
1: $6.17
810In Stock

Mfr. Part #
CG31.0

Mouser Part #
576-CG31.0

Littelfuse

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

Learn More

Datasheet

810In Stock

$6.17

$5.74

$5.55

$4.36

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.5A

0805L150SLYR
Littelfuse
1: $2.14
6,693In Stock

Mfr. Part #
0805L150SLYR

Mouser Part #
576-0805L150SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.5A

Learn More

Datasheet

6,693In Stock

Cut Tape

$2.14

$1.74

$1.53

$1.46

View

Reel

$1.13

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V 5.5A-HD 50A SMD

1210L550SLWR
Littelfuse
1: $2.96
1,770In Stock

Mfr. Part #
1210L550SLWR

Mouser Part #
576-1210L550SLWR

Littelfuse

Resettable Fuses - PPTC 6V 5.5A-HD 50A SMD

Learn More

Datasheet

1,770In Stock

Cut Tape

$2.96

$2.73

$2.26

$2.09

View

Reel

$1.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Industrial & Electrical Fuses 150A 600VAC 300VDC Class T

JLLS150.X
Littelfuse
1: $97.32
29In Stock

Mfr. Part #
JLLS150.X

Mouser Part #
576-JLLS150.X

Littelfuse

Industrial & Electrical Fuses 150A 600VAC 300VDC Class T

Learn More

Datasheet

29In Stock

$97.32

$85.03

$81.79

$78.49

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W 400V 5% Uni-Directional

SMBJ400A
Littelfuse
1: $0.574
23,856In Stock

Mfr. Part #
SMBJ400A

Mouser Part #
576-SMBJ400A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 400V 5% Uni-Directional

Learn More

Datasheet

23,856In Stock

Cut Tape

$0.574

$0.409

$0.308

$0.282

Reel

$0.259

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 9V 3A 0603 POLYFUSE SURF MOUNT

0603L300/9SLYR
Littelfuse
1: $5.84
6,784In Stock

Mfr. Part #
0603L300/9SLYR

Mouser Part #
576-0603L300/9SLYR

Littelfuse

Resettable Fuses - PPTC 9V 3A 0603 POLYFUSE SURF MOUNT

Learn More

Datasheet

6,784In Stock

Cut Tape

$5.84

$4.85

$4.48

$3.72

View

Reel

$2.65

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V 600MA-HD 50A SMD

0603L300SLYR
Littelfuse
1: $2.54
7,032In Stock

Mfr. Part #
0603L300SLYR

Mouser Part #
576-0603L300SLYR

Littelfuse

Resettable Fuses - PPTC 6V 600MA-HD 50A SMD

Learn More

Datasheet

7,032In Stock

Cut Tape

$2.54

$2.34

$1.95

$1.80

View

Reel

$1.13

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 2.60A

1812L260SLPR
Littelfuse
1: $2.54
2,803In Stock

Mfr. Part #
1812L260SLPR

Mouser Part #
576-1812L260SLPR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 2.60A

Learn More

Datasheet

2,803In Stock

Cut Tape

$2.54

$2.34

$1.95

$1.80

View

Reel

$1.13

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.5A

1812L350SLPR
Littelfuse
1: $2.96
7,461In Stock

Mfr. Part #
1812L350SLPR

Mouser Part #
576-1812L350SLPR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.5A

Learn More

Datasheet

7,461In Stock

Cut Tape

$2.96

$2.73

$2.26

$2.09

View

Reel

$1.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.2KV

CG31.2L
Littelfuse
1: $6.14
2,047In Stock

Mfr. Part #
CG31.2L

Mouser Part #
576-CG31.2L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.2KV

Learn More

Datasheet

2,047In Stock

$6.14

$5.10

$4.71

$3.91

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 2.5KV

CG32.5LTR
Littelfuse
1: $6.28
2,000In Stock

Mfr. Part #
CG32.5LTR

Mouser Part #
576-CG32.5LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 2.5KV

Learn More

Datasheet

2,000In Stock

Cut Tape

$6.28

$5.74

$5.30

$4.39

Reel

$2.87

View

Min.: 1
Mult.: 1

Reel: 500

Thyristor Surge Protection Devices - TSPD 30A 8V Baseband Voice-DS1

P0080S1ALRP
Littelfuse
1: $2.46
5,050In Stock

Mfr. Part #
P0080S1ALRP

Mouser Part #
576-P0080S1ALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 30A 8V Baseband Voice-DS1

Learn More

Datasheet

5,050In Stock

Cut Tape

$2.46

$1.57

$1.11

$0.876

Reel

$0.456

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Fuse Holder CLASS J FUSE BLOCK 600V 200A 1 POLE

LFJ602001C
Littelfuse
1: $325.24
15In Stock

Mfr. Part #
LFJ602001C

Mouser Part #
576-LFJ602001C

Littelfuse

Fuse Holder CLASS J FUSE BLOCK 600V 200A 1 POLE

Learn More

Datasheet

15In Stock

$325.24

$273.19

$266.35

View

Min.: 1
Mult.: 1

AC/DC Power Supply

Types of Circuit Protection

Mouser Electronics®

Company

Resources

Support