Circuit Protection – Mouser Canada

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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: 7,541

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RoHS Compliant

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Part #

Thyristor Surge Protection Devices - TSPD 5kA 8/20 SURGE RATNG TO-218

P4800MEL
Littelfuse
1: $16.98
250In Stock

Mfr. Part #
P4800MEL

Mouser Part #
576-P4800MEL

Littelfuse

Thyristor Surge Protection Devices - TSPD 5kA 8/20 SURGE RATNG TO-218

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Datasheet

250In Stock

$16.98

$11.21

$9.67

$9.23

$9.21

Min.: 1
Mult.: 1

Varistors SURFACE MOUNT SM20 VARISTORS

V175SM20
Littelfuse
1: $4.39
1,080In Stock

Mfr. Part #
V175SM20

Mouser Part #
576-V175SM20

Littelfuse

Varistors SURFACE MOUNT SM20 VARISTORS

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Datasheet

1,080In Stock

Cut Tape

$4.39

$3.30

$3.02

Reel

$2.72

Min.: 1
Mult.: 1

Reel: 108

Varistors 420V 40kA 6000pF

V421DA40
Littelfuse
1: $62.75
53In Stock

Mfr. Part #
V421DA40

Mouser Part #
576-V421DA40

Littelfuse

Varistors 420V 40kA 6000pF

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Datasheet

53In Stock

$62.75

$58.39

Min.: 1
Mult.: 1

Varistors INDUSTRIAL VARISTOR HIGH ENERGY PCB USE

V551HA40
Littelfuse
1: $37.16
185In Stock

Mfr. Part #
V551HA40

Mouser Part #
576-V551HA40

Littelfuse

Varistors INDUSTRIAL VARISTOR HIGH ENERGY PCB USE

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Datasheet

185In Stock

$37.16

$33.95

$31.56

$28.98

$26.99

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP140E
Littelfuse
1: $3.04
1,800In Stock

Mfr. Part #
TMOV14RP140E

Mouser Part #
576-TMOV14RP140E

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

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Datasheet

1,800In Stock

$3.04

$2.24

$2.04

$1.81

View

Min.: 1
Mult.: 1

Varistors 150 VAC 120J 395V-CL 10KA-PK

V14X150E
Littelfuse
1: $1.72
8,674In Stock

Mfr. Part #
V14X150E

Mouser Part #
576-V14X150E

Littelfuse

Varistors 150 VAC 120J 395V-CL 10KA-PK

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Datasheet

8,674In Stock

$1.72

$1.06

$0.961

$0.784

View

Min.: 1
Mult.: 1

Fuse Holder CLASS J FUSEBLOCK 600V 100A 1P NON-ID

LFJ601001C
Littelfuse
1: $87.17
48In Stock

Mfr. Part #
LFJ601001C

Mouser Part #
576-LFJ601001C

Littelfuse

Fuse Holder CLASS J FUSEBLOCK 600V 100A 1P NON-ID

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Datasheet

48In Stock

$87.17

$72.59

$67.08

$57.55

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 34MM

TMOV34S151MP
Littelfuse
1: $30.73
181In Stock

Mfr. Part #
TMOV34S151MP

Mouser Part #
576-TMOV34S151MP

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 34MM

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Datasheet

181In Stock

$30.73

$28.09

$25.24

$23.15

$22.32

Min.: 1
Mult.: 1

Cartridge Fuses 250V .5A Slo-Blo

0215.500MXP
Littelfuse
1: $2.95
6,225In Stock

Mfr. Part #
0215.500MXP

Mouser Part #
576-0215.500MXP

Littelfuse

Cartridge Fuses 250V .5A Slo-Blo

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Datasheet

6,225In Stock

$2.95

$2.49

$2.29

$1.90

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 10A Slo-Blo

0215010.MXEP
Littelfuse
1: $4.56
3,455In Stock

Mfr. Part #
0215010.MXEP

Mouser Part #
576-0215010.MXEP

Littelfuse

Cartridge Fuses 250V 10A Slo-Blo

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Datasheet

3,455In Stock

$4.56

$4.16

$2.87

$2.47

$2.09

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4.50A

1206L450SLWR
Littelfuse
1: $2.29
3,408In Stock

Mfr. Part #
1206L450SLWR

Mouser Part #
576-1206L450SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4.50A

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Datasheet

3,408In Stock

Cut Tape

$2.29

$2.03

$1.92

$1.72

View

Reel

$1.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Thyristor Surge Protection Devices - TSPD SPSP, 170V, 35A SOIC, 8L, RoHS

B61089BDR
Littelfuse
1: $3.13
9,990In Stock

Mfr. Part #
B61089BDR

Mouser Part #
576-B61089BDR

Littelfuse

Thyristor Surge Protection Devices - TSPD SPSP, 170V, 35A SOIC, 8L, RoHS

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Datasheet

9,990In Stock

Cut Tape

$3.13

$2.01

$1.37

$1.09

$1.00

Reel

$0.959

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD HIGH SURGE 140V 1000A

P1500SDLRP
Littelfuse
1: $2.95
3,486In Stock

Mfr. Part #
P1500SDLRP

Mouser Part #
576-P1500SDLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD HIGH SURGE 140V 1000A

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Datasheet

3,486In Stock

Cut Tape

$2.95

$1.89

$1.27

$1.01

View

Reel

$0.768

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Thyristor Surge Protection Devices - TSPD 50A 170V

P1800SALRP
Littelfuse
1: $2.13
4,150In Stock

Mfr. Part #
P1800SALRP

Mouser Part #
576-P1800SALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 50A 170V

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Datasheet

4,150In Stock

Cut Tape

$2.13

$0.579

$0.571

Reel

$0.569

$0.548

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

P2300SDLRP
Littelfuse
1: $2.95
6,056In Stock

Mfr. Part #
P2300SDLRP

Mouser Part #
576-P2300SDLRP

Littelfuse

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

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Datasheet

6,056In Stock

Cut Tape

$2.95

$1.89

$1.27

$1.01

Reel

$0.818

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

SDP0120T023G5RP
Littelfuse
1: $2.12
7,017In Stock

Mfr. Part #
SDP0120T023G5RP

Mouser Part #
576-SDP0120T023G5RP

Littelfuse

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

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Datasheet

7,017In Stock

Cut Tape

$2.12

$1.33

$0.881

$0.692

Reel

$0.534

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors THERMALLY PROTECTED VARISTOR 14MM

TMOV14RP420M
Littelfuse
1: $4.54
1,500In Stock

Mfr. Part #
TMOV14RP420M

Mouser Part #
576-TMOV14RP420M

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 14MM

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Datasheet

1,500In Stock

$4.54

$3.16

$2.98

$2.55

View

Min.: 1
Mult.: 1

Varistors THERMALLY PROTECTED VARISTOR 20MM

TMOV20RP275M
Littelfuse
1: $3.05
2,712In Stock

Mfr. Part #
TMOV20RP275M

Mouser Part #
576-TMOV20RP275M

Littelfuse

Varistors THERMALLY PROTECTED VARISTOR 20MM

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Datasheet

2,712In Stock

$3.05

$2.27

$2.07

$1.86

View

Min.: 1
Mult.: 1

Varistors 10V 150A 1600pF

V14MLA1206NH
Littelfuse
1: $2.89
3,208In Stock

Mfr. Part #
V14MLA1206NH

Mouser Part #
576-V14MLA1206NH

Littelfuse

Varistors 10V 150A 1600pF

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Datasheet

3,208In Stock

Cut Tape

$2.89

$1.80

$1.66

$1.35

View

Reel

$0.774

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 26V 100A 190pF

V26MLA0805NT
Littelfuse
1: $0.614
9,367In Stock

Mfr. Part #
V26MLA0805NT

Mouser Part #
576-V26MLA0805NT

Littelfuse

Varistors 26V 100A 190pF

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Datasheet

9,367In Stock

Cut Tape

$0.614

$0.376

$0.325

$0.301

View

Reel

$0.223

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors 35V 100A 600pF 13 Inch Reel

V56CH8
Littelfuse
1: $3.21
4,000In Stock

Mfr. Part #
V56CH8

Mouser Part #
576-V56CH8

Littelfuse

Varistors 35V 100A 600pF 13 Inch Reel

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Datasheet

4,000In Stock

Cut Tape

$3.21

$2.15

$2.04

$1.67

View

Reel

$1.03

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Varistors 660V 200pF

V660LA50AP
Littelfuse
1: $3.62
2,625In Stock

Mfr. Part #
V660LA50AP

Mouser Part #
576-V660LA50AP

Littelfuse

Varistors 660V 200pF

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Datasheet

2,625In Stock

$3.62

$2.47

$2.33

$1.98

View

Min.: 1
Mult.: 1

Varistors 40kA 1050V 40kA 2000pF

V661DA40
Littelfuse
1: $59.83
39In Stock

Mfr. Part #
V661DA40

Mouser Part #
576-V661DA40

Littelfuse

Varistors 40kA 1050V 40kA 2000pF

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Datasheet

39In Stock

$59.83

$54.20

Min.: 1
Mult.: 1

Varistors 1200V 40kA 1800pF

V751DA40
Littelfuse
1: $80.08
34In Stock

Mfr. Part #
V751DA40

Mouser Part #
576-V751DA40

Littelfuse

Varistors 1200V 40kA 1800pF

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Datasheet

34In Stock

$80.08

$61.25

Min.: 1
Mult.: 1

Cartridge Fuses 250V 16A TL HBC

0215016.MRET1P
Littelfuse
1: $3.42
1,920In Stock

Mfr. Part #
0215016.MRET1P

Mouser Part #
576-0215016.MRET1P

Littelfuse

Cartridge Fuses 250V 16A TL HBC

Learn More

Datasheet

1,920In Stock

Cut Tape

$3.42

$3.12

$2.96

$2.39

Reel

$1.55

View

Min.: 1
Mult.: 1

Reel: 1,000

AC/DC Power Supply

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