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Circuit Protection

Circuit Protection devices and components are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Analog Devices, Bourns, Eaton, Phoenix Contact, TDK EPCOS, Littelfuse, Vishay, & more.
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Please view our selection of circuit protection devices below.

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Types of Circuit Protection

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Results: 365,613

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Download Table (.CSV)

Part #

Fuses with Leads - Through Hole 250V .100A BARRIER AMMO

0242.100HAT1
Littelfuse
1: $9.09
1,774In Stock

Mfr. Part No.
0242.100HAT1

Mouser Part No
576-0242.100HAT1

Littelfuse

Fuses with Leads - Through Hole 250V .100A BARRIER AMMO

Datasheet

1,774In Stock

$9.09

$8.39

$7.75

$6.44

Reel

$4.90

View

Min.: 1
Mult.: 1

: 100

Fuse Holder Accessories Fast Acting

0297900.WXNV
Littelfuse
1: $0.415
24,134In Stock
24,000On Order

Mfr. Part No.
0297900.WXNV

Mouser Part No
576-0297900.WXNV

Littelfuse

Fuse Holder Accessories Fast Acting

Datasheet

24,134In Stock

24,000On Order

$0.415

$0.34

$0.323

$0.277

View

Min.: 1
Mult.: 1

Surface Mount Fuses 250VAC 0.8A .1159ohms 464 NANO2

0464.800DR
Littelfuse
1: $2.36
2,281In Stock

Mfr. Part No.
0464.800DR

Mouser Part No
576-0464.800DR

Littelfuse

Surface Mount Fuses 250VAC 0.8A .1159ohms 464 NANO2

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Datasheet

2,281In Stock

Cut Tape

$2.36

$2.09

$1.99

$1.60

View

Reel

$0.955

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Surface Mount Fuses 250VAC 2.5A .0288ohms 464 NANO2

046402.5DR
Littelfuse
1: $1.97
3,942In Stock

Mfr. Part No.
046402.5DR

Mouser Part No
576-046402.5DR

Littelfuse

Surface Mount Fuses 250VAC 2.5A .0288ohms 464 NANO2

Learn More

Datasheet

3,942In Stock

Cut Tape

$1.97

$1.72

$1.62

$1.38

View

Reel

$0.955

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA220CA
Littelfuse
1: $18.66
1,429In Stock

Mfr. Part No.
15KPA220CA

Mouser Part No
576-15KPA220CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

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Datasheet

1,429In Stock

Cut Tape

$18.66

$13.11

$11.45

$10.51

Reel

$10.51

Quote

Min.: 1
Mult.: 1

: 800

Resettable Fuses - PPTC 16V 1812 1.10A POLYFUSE

1812L110/16DR
Littelfuse
1: $0.772
30,503In Stock

Mfr. Part No.
1812L110/16DR

Mouser Part No
576-1812L110/16DR

Littelfuse

Resettable Fuses - PPTC 16V 1812 1.10A POLYFUSE

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Datasheet

30,503In Stock

Cut Tape

$0.772

$0.658

$0.572

$0.539

Reel

$0.353

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

30KPA45CA
Littelfuse
1: $30.56
558In Stock

Mfr. Part No.
30KPA45CA

Mouser Part No
576-30KPA45CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

Learn More

Datasheet

558In Stock

Cut Tape

$30.56

$22.74

$22.42

$19.39

Reel

$19.31

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

30KPA60CA
Littelfuse
1: $28.86
896In Stock
800On Order

Mfr. Part No.
30KPA60CA

Mouser Part No
576-30KPA60CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

Learn More

Datasheet

896In Stock

800On Order

Cut Tape

$28.86

$22.45

$22.41

$20.43

Reel

$19.12

Quote

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes 40Vso 31VAC 78A

5KP40A
Littelfuse
1: $3.50
2,314In Stock
2,400On Order

Mfr. Part No.
5KP40A

Mouser Part No
576-5KP40A

Littelfuse

ESD Protection Diodes / TVS Diodes 40Vso 31VAC 78A

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Datasheet

2,314In Stock

2,400On Order

Cut Tape

$3.50

$2.92

$2.04

$1.41

Reel

$1.41

Min.: 1
Mult.: 1

: 800

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V MS

CG2350MS
Littelfuse
1: $4.52
1,485In Stock

Mfr. Part No.
CG2350MS

Mouser Part No
576-CG2350MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V MS

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Datasheet

1,485In Stock

Cut Tape

$4.52

$4.12

$3.82

$3.13

Reel

$2.17

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Fuse Holder ATO Inline Red Wire

FHAC0003ZXJA
Littelfuse
1: $10.00
884In Stock

Mfr. Part No.
FHAC0003ZXJA

Mouser Part No
576-FHAC0003ZXJA

Littelfuse

Fuse Holder ATO Inline Red Wire

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Datasheet

884In Stock

$10.00

$8.29

$7.22

$5.85

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS600.X
Littelfuse
1: $218.10
93In Stock

Mfr. Part No.
L50QS600.X

Mouser Part No
576-L50QS600.X

Littelfuse

Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

93In Stock

$218.10

$204.39

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS150.V
Littelfuse
1: $218.80
31In Stock

Mfr. Part No.
L70QS150.V

Mouser Part No
576-L70QS150.V

Littelfuse

Industrial & Electrical Fuses 150A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

31In Stock

$218.80

$183.33

$175.18

$159.50

Min.: 1
Mult.: 1

Fuse Holder Accessories CLASS J FUSE BLOCK 600V 30A COVER

LFJ60030FBC
Littelfuse
1: $13.03
967In Stock
1,070On Order

Mfr. Part No.
LFJ60030FBC

Mouser Part No
576-LFJ60030FBC

Littelfuse

Fuse Holder Accessories CLASS J FUSE BLOCK 600V 30A COVER

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Datasheet

967In Stock

1,070On Order

$13.03

$12.05

$11.78

$9.82

$9.45

Min.: 1
Mult.: 1

Fuse Holder 2 Pole for Class CC Fuse

LPSC0002ZXID
Littelfuse
1: $106.29
267In Stock

Mfr. Part No.
LPSC0002ZXID

Mouser Part No
576-LPSC0002ZXID

Littelfuse

Fuse Holder 2 Pole for Class CC Fuse

Learn More

Datasheet

267In Stock

$106.29

$91.72

$83.60

$68.33

$67.77

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 477V 400W 5% Bi-directional

P4SMA530CA
Littelfuse
1: $0.887
11,678In Stock

Mfr. Part No.
P4SMA530CA

Mouser Part No
576-P4SMA530CA

Littelfuse

ESD Protection Diodes / TVS Diodes 477V 400W 5% Bi-directional

Learn More

Datasheet

11,678In Stock

Cut Tape

$0.887

$0.672

$0.46

$0.363

Reel

$0.259

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Triacs 400V 25A ALTNSTR ISO 80-80-80 mA TO220

Q4025L6TP
Littelfuse
1: $6.85
743In Stock

Mfr. Part No.
Q4025L6TP

Mouser Part No
576-Q4025L6TP

Littelfuse

Triacs 400V 25A ALTNSTR ISO 80-80-80 mA TO220

Datasheet

743In Stock

$6.85

$3.59

$3.27

$3.26

Min.: 1
Mult.: 1

Triacs 600V 8A 10-10-10 mA LED App

Q6008LH1LEDTP
Littelfuse
1: $3.47
3,864In Stock
2,000On Order

Mfr. Part No.
Q6008LH1LEDTP

Mouser Part No
576-Q6008LH1LEDTP

Littelfuse

Triacs 600V 8A 10-10-10 mA LED App

Learn More

Datasheet

3,864In Stock

2,000On Order

$3.47

$1.72

$1.47

$1.31

Min.: 1
Mult.: 1

Triacs 600V 16A 35-35-35 mA

Q6016LH4TP
Littelfuse
1: $5.85
950In Stock

Mfr. Part No.
Q6016LH4TP

Mouser Part No
576-Q6016LH4TP

Littelfuse

Triacs 600V 16A 35-35-35 mA

Learn More

Datasheet

950In Stock

$5.85

$3.76

$2.75

$2.67

Min.: 1
Mult.: 1

Triacs 800V 15A

Q8015L5TP
Littelfuse
1: $6.58
1,567In Stock

Mfr. Part No.
Q8015L5TP

Mouser Part No
576-Q8015L5TP

Littelfuse

Triacs 800V 15A

Learn More

Datasheet

1,567In Stock

$6.58

$4.38

$3.13

Min.: 1
Mult.: 1

Triacs HT Alternistor 800V 16A TO263

QJ8016NH4RP
Littelfuse
1: $7.91
820In Stock

Mfr. Part No.
QJ8016NH4RP

Mouser Part No
576-QJ8016NH4RP

Littelfuse

Triacs HT Alternistor 800V 16A TO263

Learn More

Datasheet

820In Stock

Cut Tape

$7.91

$5.28

$3.79

Reel

$3.46

Min.: 1
Mult.: 1

: 500

SCRs 600V 20A

S6020LTP
Littelfuse
1: $4.65
5,747In Stock
3,000On Order

Mfr. Part No.
S6020LTP

Mouser Part No
576-S6020LTP

Littelfuse

SCRs 600V 20A

Datasheet

5,747In Stock

3,000On Order

$4.65

$2.29

$1.94

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS LEADED SLD 36V

SLD6S36A
Littelfuse
1: $3.15
1,473In Stock

Mfr. Part No.
SLD6S36A

Mouser Part No
576-SLD6S36A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS LEADED SLD 36V

Learn More

Datasheet

1,473In Stock

Cut Tape

$3.15

$2.89

$2.33

Reel

$2.07

$1.84

$1.79

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 17V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S17A
Littelfuse
1: $3.06
1,076In Stock

Mfr. Part No.
SLD8S17A

Mouser Part No
576-SLD8S17A

Littelfuse

ESD Protection Diodes / TVS Diodes 17V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

1,076In Stock

Cut Tape

$3.06

$2.96

$2.67

Reel

$2.12

$2.07

$1.96

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 26V 7kW UNI-DIR SLD8S AEC-Q101

SLD8S26A
Littelfuse
1: $3.40
1,347In Stock

Mfr. Part No.
SLD8S26A

Mouser Part No
576-SLD8S26A

Littelfuse

ESD Protection Diodes / TVS Diodes 26V 7kW UNI-DIR SLD8S AEC-Q101

Learn More

Datasheet

1,347In Stock

Cut Tape

$3.40

$3.07

$2.67

Reel

$1.96

MouseReel Available

Min.: 1
Mult.: 1

: 500

Circuit Protection

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