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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: 359,647

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Part #

Automotive Fuses POWrFuse BD 275Vac 500Vdc 15A

PF-KB1-15
Bourns
1: $29.13
144In Stock

Mfr. Part No.
PF-KB1-15

Mouser Part No
652-PF-KB1-15

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 15A

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Datasheet

144In Stock

$29.13

$25.83

$25.73

$23.53

Min.: 1
Mult.: 1

Connectorised Surge Protectors Combined Ethernet Surge Protective Device (SPD) and POE 48V injector/splitter

MSP-VM48/RINJ
Citel
1: $208.87
20In Stock

Mfr. Part No.
MSP-VM48/RINJ

Mouser Part No
703-MSP-VM48/RINJ

Citel

Connectorised Surge Protectors Combined Ethernet Surge Protective Device (SPD) and POE 48V injector/splitter

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Datasheet

20In Stock

$208.87

$173.18

$163.44

$163.40

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W,16V 5%, DFN3820A TVS

6DFN16A-M3/I
Vishay Semiconductors
1: $1.01
27,820In Stock

Mfr. Part No.
6DFN16A-M3/I

Mouser Part No
78-6DFN16A-M3/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,16V 5%, DFN3820A TVS

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Datasheet

27,820In Stock

Cut Tape

$1.01

$0.619

$0.397

$0.302

Reel

$0.201

View

Min.: 1
Mult.: 1

: 14,000

ESD Protection Diodes / TVS Diodes 600W,24V 5%, DFN3820A TVS

6DFN24A-M3/I
Vishay Semiconductors
1: $1.01
26,751In Stock

Mfr. Part No.
6DFN24A-M3/I

Mouser Part No
78-6DFN24A-M3/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,24V 5%, DFN3820A TVS

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Datasheet

26,751In Stock

Cut Tape

$1.01

$0.62

$0.398

$0.303

View

Reel

$0.169

Min.: 1
Mult.: 1

: 14,000

ESD Protection Diodes / TVS Diodes 600W,33V 5%, DFN3820A TVS

6DFN33A-M3/I
Vishay Semiconductors
1: $0.979
27,287In Stock

Mfr. Part No.
6DFN33A-M3/I

Mouser Part No
78-6DFN33A-M3/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,33V 5%, DFN3820A TVS

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Datasheet

27,287In Stock

Cut Tape

$0.979

$0.601

$0.386

$0.294

View

Reel

$0.167

Min.: 1
Mult.: 1

: 14,000

ESD Protection Diodes / TVS Diodes MSMP - A 8V

MSMP8.0AHM3/H
Vishay Semiconductors
1: $0.544
44,805In Stock

Mfr. Part No.
MSMP8.0AHM3/H

Mouser Part No
78-MSMP8.0AHM3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes MSMP - A 8V

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Datasheet

44,805In Stock

Cut Tape

$0.544

$0.242

$0.211

$0.158

Reel

$0.092

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,500

ESD Protection Diodes / TVS Diodes T4F - A 43V

T4F43AHM3/H
Vishay Semiconductors
1: $0.626
35,928In Stock

Mfr. Part No.
T4F43AHM3/H

Mouser Part No
78-T4F43AHM3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes T4F - A 43V

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Datasheet

35,928In Stock

Cut Tape

$0.626

$0.295

$0.241

$0.186

Reel

$0.135

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes T4F - A 51V

T4F51AHM3/H
Vishay Semiconductors
1: $0.367
35,790In Stock

Mfr. Part No.
T4F51AHM3/H

Mouser Part No
78-T4F51AHM3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes T4F - A 51V

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Datasheet

35,790In Stock

Cut Tape

$0.367

$0.194

$0.166

$0.136

Reel

$0.118

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 4-Line 3.3V 0.3pF ESD SMF2510N10 Z-Ultra

RCLAMP03354P.C
Semtech
1: $1.62
11,319In Stock

Mfr. Part No.
RCLAMP03354P.C

Mouser Part No
947-RCLAMP03354P.C

Semtech

ESD Protection Diodes / TVS Diodes 4-Line 3.3V 0.3pF ESD SMF2510N10 Z-Ultra

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Datasheet

11,319In Stock

Cut Tape

$1.62

$0.925

$0.792

$0.626

Reel

$0.472

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thermal Cut-offs THERMAL PROTECTOR

RP-1B
Sensata Technologies
1: $47.44
500In Stock

Mfr. Part No.
RP-1B

Mouser Part No
682-RP-1B

Sensata Technologies

Thermal Cut-offs THERMAL PROTECTOR

Datasheet

500In Stock

$47.44

Min.: 1
Mult.: 1

Surface Mount Fuses 260C .200A SMF NANO CLIP VFA

0157.200DR
Littelfuse
1: $4.49
17,837In Stock

Mfr. Part No.
0157.200DR

Mouser Part No
576-0157.200DR

Littelfuse

Surface Mount Fuses 260C .200A SMF NANO CLIP VFA

Datasheet

17,837In Stock

Cut Tape

$4.49

$4.37

$4.31

$4.04

View

Reel

$2.61

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Cartridge Fuses 250V 4A Slo-Blo

0215004.MXEP
Littelfuse
1: $3.30
12,638In Stock

Mfr. Part No.
0215004.MXEP

Mouser Part No
576-0215004.MXEP

Littelfuse

Cartridge Fuses 250V 4A Slo-Blo

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Datasheet

12,638In Stock

$3.30

$3.21

$2.46

$2.30

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 8A Medium Acting

0234008.MXP
Littelfuse
1: $1.69
20,158In Stock
7,000Expected 22/9/2026

Mfr. Part No.
0234008.MXP

Mouser Part No
576-0234008.MXP

Littelfuse

Cartridge Fuses 250V 8A Medium Acting

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Datasheet

20,158In Stock

7,000Expected 22/9/2026

$1.69

$1.52

$1.34

$1.23

View

Min.: 1
Mult.: 1

Surface Mount Fuses 63V High I2T 1206 .500A

0440.500WR
Littelfuse
1: $1.74
31,541In Stock

Mfr. Part No.
0440.500WR

Mouser Part No
576-0440.500WR

Littelfuse

Surface Mount Fuses 63V High I2T 1206 .500A

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Datasheet

31,541In Stock

Cut Tape

$1.74

$1.54

$1.37

$1.20

View

Reel

$0.658

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Cartridge Fuses FUSE 420Vac/dc 5X20 FA PT 20A

0487020.MXEP
Littelfuse
1: $9.48
4,028In Stock

Mfr. Part No.
0487020.MXEP

Mouser Part No
576-0487020.MXEP

Littelfuse

Cartridge Fuses FUSE 420Vac/dc 5X20 FA PT 20A

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Datasheet

4,028In Stock

$9.48

$7.87

$7.26

$6.02

View

Min.: 1
Mult.: 1

Automotive Fuses 60A W/ M6 Holes MIDI

0498060.MXM6
Littelfuse
1: $3.96
10,988In Stock

Mfr. Part No.
0498060.MXM6

Mouser Part No
576-0498060.MXM6

Littelfuse

Automotive Fuses 60A W/ M6 Holes MIDI

Datasheet

10,988In Stock

$3.96

$3.29

$3.03

$2.52

View

Min.: 1
Mult.: 1

Automotive Fuses 100A 48V FUSE STRIP

157.5701.6101
Littelfuse
1: $13.87
3,206In Stock

Mfr. Part No.
157.5701.6101

Mouser Part No
576-157.5701.6101

Littelfuse

Automotive Fuses 100A 48V FUSE STRIP

Datasheet

3,206In Stock

$13.87

$11.52

$10.64

$7.63

View

Min.: 1
Mult.: 1

Fuses with Leads - Through Hole 300V UL TL TR5 LL 1A

38311000000
Littelfuse
1: $1.81
24,073In Stock

Mfr. Part No.
38311000000

Mouser Part No
576-38311000000

Littelfuse

Fuses with Leads - Through Hole 300V UL TL TR5 LL 1A

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Datasheet

24,073In Stock

$1.81

$1.65

$1.44

$1.30

Reel

$0.934

View

Min.: 1
Mult.: 1

: 1,000

ESD Protection Diodes / TVS Diodes TVS 5KW 33V 5%BI DO-214AB TR13 RoHS

5.0SMDJ33CAS-HRA
Littelfuse
1: $42.42
2,510In Stock

Mfr. Part No.
5.0SMDJ33CAS-HRA

Mouser Part No
576-5SMDJ33CAS-HRA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 5KW 33V 5%BI DO-214AB TR13 RoHS

Datasheet

2,510In Stock

Cut Tape

$42.42

$38.50

$32.88

View

Min.: 1
Mult.: 1

Fuse Holder Accessories CLASS J FUSE BLOCK 600V 60A COVER

LFJ60060FBC
Littelfuse
1: $19.45
2,381In Stock

Mfr. Part No.
LFJ60060FBC

Mouser Part No
576-LFJ60060FBC

Littelfuse

Fuse Holder Accessories CLASS J FUSE BLOCK 600V 60A COVER

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Datasheet

2,381In Stock

$19.45

$17.10

$16.40

$14.77

View

Min.: 1
Mult.: 1

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

LFT600603C
Littelfuse
1: $76.83
1,483In Stock

Mfr. Part No.
LFT600603C

Mouser Part No
576-LFT600603C

Littelfuse

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

Datasheet

1,483In Stock

$76.83

$71.69

$66.12

$54.73

$52.32

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 6A 1500 VDC Solar 30kA Photovoltaic

SPXV006.L
Littelfuse
1: $41.15
751In Stock

Mfr. Part No.
SPXV006.L

Mouser Part No
576-SPXV006.L

Littelfuse

Industrial & Electrical Fuses 6A 1500 VDC Solar 30kA Photovoltaic

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Datasheet

751In Stock

$41.15

$35.75

$33.47

$29.42

View

Min.: 1
Mult.: 1

Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr

LTC4365HTS8-1#TRMPBF
Analog Devices
1: $8.42
14,257In Stock

Mfr. Part No.
LTC4365HTS8-1#TRMPBF

Mouser Part No
584-C4365HTS8-1TMPF

Analog Devices

Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr

Datasheet

14,257In Stock

Cut Tape

$8.42

$6.46

$5.97

$5.43

$5.33

Reel

$5.22

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p

TPD1E10B06QDPYRQ1
Texas Instruments
1: $0.857
172,709In Stock

Mfr. Part No.
TPD1E10B06QDPYRQ1

Mouser Part No
595-PD1E10B06QDPYRQ1

Texas Instruments

ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p

Learn More

Datasheet

172,709In Stock

Cut Tape

$0.857

$0.409

$0.335

$0.272

Reel

$0.159

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 15A 250V FAST ACTING

SF-3812F1500T-2
Bourns
1: $4.96
9,935In Stock

Mfr. Part No.
SF-3812F1500T-2

Mouser Part No
652-SF-3812F1500T-2

Bourns

Surface Mount Fuses 15A 250V FAST ACTING

Learn More

Datasheet

9,935In Stock

Cut Tape

$4.96

$4.16

$3.26

$2.90

Reel

$2.05

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Circuit Protection

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