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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: 359,646

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Part #

ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT

RCLAMP0524S.TCT
Semtech
1: $1.80
70,925In Stock

Mfr. Part No.
RCLAMP0524S.TCT

Mouser Part No
947-RCLAMP0524S.TCT

Semtech

ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT

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Datasheet

70,925In Stock

Cut Tape

$1.80

$1.22

$1.07

$0.922

Reel

$0.698

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Triacs Triacs 40 Amp 600 Volt

TG40E60
SanRex
1: $19.18
7,834In Stock

Mfr. Part No.
TG40E60

Mouser Part No
197-TG40E60

SanRex

Triacs Triacs 40 Amp 600 Volt

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Datasheet

7,834In Stock

$19.18

$13.57

$10.27

$9.34

Quote

Min.: 1
Mult.: 1

Automotive Fuses 30A Low Profile

0895030.Z
Littelfuse
1: $3.56
13,234In Stock

Mfr. Part No.
0895030.Z

Mouser Part No
576-0895030.Z

Littelfuse

Automotive Fuses 30A Low Profile

Datasheet

13,234In Stock

$3.56

$2.07

$1.97

$1.71

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Min.: 1
Mult.: 1

Automotive Fuses STRIP 30 80A W/O HOUSING

156.5610.5801
Littelfuse
1: $1.81
29,320In Stock

Mfr. Part No.
156.5610.5801

Mouser Part No
576-156.5610.5801

Littelfuse

Automotive Fuses STRIP 30 80A W/O HOUSING

Datasheet

29,320In Stock

$1.81

$1.51

$1.39

$1.15

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 20V 2.2A 4 CHANNEL

SP724AHTG
Littelfuse
1: $2.56
114,498In Stock

Mfr. Part No.
SP724AHTG

Mouser Part No
576-SP724AHTG

Littelfuse

ESD Protection Diodes / TVS Diodes 20V 2.2A 4 CHANNEL

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Datasheet

114,498In Stock

Cut Tape

$2.56

$1.44

$1.29

$1.16

View

Reel

$0.997

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Surge Protectors 100V UV/OV & Reverse Prot Cntr w/ Bi-dir

LTC4368IMS-2#PBF
Analog Devices
1: $10.04
9,652In Stock

Mfr. Part No.
LTC4368IMS-2#PBF

Mouser Part No
584-LTC4368IMS2PBF

Analog Devices

Board Mount Surge Protectors 100V UV/OV & Reverse Prot Cntr w/ Bi-dir

Datasheet

9,652In Stock

$10.04

$7.74

$6.96

$6.66

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Min.: 1
Mult.: 1
Max.: 1,000

ESD Protection Diodes / TVS Diodes Complete USB Port Pr ot Device

TPD4S014DSQR
Texas Instruments
1: $2.14
26,644In Stock

Mfr. Part No.
TPD4S014DSQR

Mouser Part No
595-TPD4S014DSQR

Texas Instruments

ESD Protection Diodes / TVS Diodes Complete USB Port Pr ot Device

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Datasheet

26,644In Stock

Cut Tape

$2.14

$1.71

$1.46

$1.33

Reel

$1.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

311P18-06S7R6
TE Connectivity / Measurement Specialties
1: $786.81
41In Stock

Mfr. Part No.
311P18-06S7R6

Mouser Part No
657-311P18-06S7R6

TE Connectivity / Measurement Specialties

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

Datasheet

41In Stock

$786.81

$719.33

$662.61

$621.25

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes Dual, Quad, and Hex High-Speed Different

MAX3208EAUB+T
Analog Devices / Maxim Integrated
1: $7.09
9,993In Stock

Mfr. Part No.
MAX3208EAUB+T

Mouser Part No
700-MAX3208EAUBT

Analog Devices / Maxim Integrated

ESD Protection Diodes / TVS Diodes Dual, Quad, and Hex High-Speed Different

Datasheet

9,993In Stock

Cut Tape

$7.09

$3.94

$3.59

$3.17

Reel

$2.75

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SCRs 20A If; 1200V Vr TO-247AD 3L

VS-30TPS12LHM3
Vishay Semiconductors
1: $8.04
6,642In Stock

Mfr. Part No.
VS-30TPS12LHM3

Mouser Part No
78-VS-30TPS12LHM3

Vishay Semiconductors

SCRs 20A If; 1200V Vr TO-247AD 3L

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Datasheet

6,642In Stock

$8.04

$4.66

$4.04

$3.35

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101

SZSMF33AT1G
Littelfuse
1: $0.898
178,751In Stock

Mfr. Part No.
SZSMF33AT1G

Mouser Part No
863-SZSMF33AT1G

Littelfuse

ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101

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Datasheet

178,751In Stock

Cut Tape

$0.898

$0.484

$0.364

$0.276

Reel

$0.201

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 8-Line TVS Array Low Capacitance

RCLAMP0508M.TBT
Semtech
1: $3.73
35,296In Stock

Mfr. Part No.
RCLAMP0508M.TBT

Mouser Part No
947-RCLAMP0508M.TBT

Semtech

ESD Protection Diodes / TVS Diodes 8-Line TVS Array Low Capacitance

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Datasheet

35,296In Stock

Cut Tape

$3.73

$3.43

$2.11

Reel

$1.94

$1.77

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Circuit Breaker Accessories VARI-DEPTH H&LE MECH 4 SERIES C CB F FRM

373D958G22
Eaton Electrical
1: $318.87
1In Stock
New Product

Mfr. Part No.
373D958G22

Mouser Part No
504-373D958G22

New Product

Eaton Electrical

Circuit Breaker Accessories VARI-DEPTH H&LE MECH 4 SERIES C CB F FRM

Datasheet

1In Stock

$318.87

$248.27

$232.46

$212.11

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories LG Handle Mech Close Couple Black

LHMCCB
Eaton Electrical
1: $478.31
1In Stock
New Product

Mfr. Part No.
LHMCCB

Mouser Part No
504-LHMCCB

New Product

Eaton Electrical

Circuit Breaker Accessories LG Handle Mech Close Couple Black

Datasheet

1In Stock

$478.31

$367.06

$345.48

$310.31

View

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, SMD, 85C, Self Hold AEC-Q200

SD85ABB
Bourns
1: $3.67
3,758In Stock

Mfr. Part No.
SD85ABB

Mouser Part No
652-SD85ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 85C, Self Hold AEC-Q200

Learn More

Datasheet

3,758In Stock

Cut Tape

$3.67

$3.18

$2.57

$2.18

View

Reel

$1.39

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Circuit Breaker Accessories 1A/1B ALARM SW

MA1L1RPK
Eaton Electrical
1: $778.86
1In Stock
New Product

Mfr. Part No.
MA1L1RPK

Mouser Part No
504-MA1L1RPK

New Product

Eaton Electrical

Circuit Breaker Accessories 1A/1B ALARM SW

1In Stock

$778.86

$573.13

$556.40

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W,28V 5%, SlimSMA BIDIR TVS

SMA6F28CA-M3/H
Vishay Semiconductors
1: $0.938
3,460In Stock
New Product

Mfr. Part No.
SMA6F28CA-M3/H

Mouser Part No
78-SMA6F28CA-M3\H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,28V 5%, SlimSMA BIDIR TVS

Datasheet

3,460In Stock

Cut Tape

$0.938

$0.575

$0.369

$0.28

Reel

$0.215

View

Min.: 1
Mult.: 1

: 3,500

Thermal Cut-offs TCO, High Current, SMD, 55C, Self Hold AEC-Q200

SD55ABB
Bourns
1: $3.20
3,194In Stock

Mfr. Part No.
SD55ABB

Mouser Part No
652-SD55ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 55C, Self Hold AEC-Q200

Learn More

Datasheet

3,194In Stock

Cut Tape

$3.20

$2.95

$2.94

$2.45

View

Reel

$1.39

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Thermal Cut-offs TCO, High Current, Axial Lead, 55C, Self Hold AEC-Q200

AD55ABB
Bourns
1: $2.98
2,467In Stock

Mfr. Part No.
AD55ABB

Mouser Part No
652-AD55ABB

Bourns

Thermal Cut-offs TCO, High Current, Axial Lead, 55C, Self Hold AEC-Q200

Learn More

Datasheet

2,467In Stock

$2.98

$2.75

$2.14

$1.88

View

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, SMD, 82C, non Self Hold AEC-Q200

SD82WBB
Bourns
1: $3.11
4,997In Stock

Mfr. Part No.
SD82WBB

Mouser Part No
652-SD82WBB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 82C, non Self Hold AEC-Q200

Learn More

Datasheet

4,997In Stock

Cut Tape

$3.11

$2.88

$2.87

$2.39

View

Reel

$1.39

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Power Outlet Strips PDU EPO 1U IN: L21-30P 24A 3P OUT: 10X5-

TPC4000-D-LTR
Eaton
1: $5,379.66
1In Stock

Mfr. Part No.
TPC4000-D-LTR

Mouser Part No
545-TPC4000-D-LTR

Eaton

Power Outlet Strips PDU EPO 1U IN: L21-30P 24A 3P OUT: 10X5-

1In Stock

$5,379.66

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses PDF EJO-1 FI 38KV 40E

9F60FPK040
Mersen
1: $8,663.00
1In Stock
New Product

Mfr. Part No.
9F60FPK040

Mouser Part No
737-9F60FPK040

New Product

Mersen

Industrial & Electrical Fuses PDF EJO-1 FI 38KV 40E

Datasheet

1In Stock

$8,663.00

Min.: 1
Mult.: 1

Industrial Surge Protectors TLP410UCUFOAM

TLP410UCUFOAM
Tripp Lite
Restricted Availability

Mfr. Part No.
TLP410UCUFOAM

Mouser Part No
545-TLP410UCUFOAM

Tripp Lite

Industrial Surge Protectors TLP410UCUFOAM

Datasheet

Restricted Availability

ESD Protection Diodes / TVS Diodes 1.5KW,51V 5%,UNIDIR,SMC TVS

1.5SMC51AHE3_A/I
Vishay Semiconductors
1: $1.63
3,481In Stock

Mfr. Part No.
1.5SMC51AHE3_A/I

Mouser Part No
78-1.5SMC51AHE3_A/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1.5KW,51V 5%,UNIDIR,SMC TVS

Learn More

Datasheet

3,481In Stock

Cut Tape

$1.63

$1.02

$0.669

$0.518

Reel

$0.407

View

Min.: 1
Mult.: 1

: 3,500

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW152E60RC
Murata Electronics
1: $0.177
9,800In Stock
New Product

Mfr. Part No.
NCU15XW152E60RC

Mouser Part No
81-NCU15XW152E60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9,800In Stock

$0.177

$0.152

$0.135

$0.11

View

Min.: 1
Mult.: 1

Circuit Protection

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