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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 #

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

Reel

$5.34

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
172,572In 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

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Datasheet

172,572In Stock

Cut Tape

$0.857

$0.409

$0.335

$0.272

Reel

$0.166

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

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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

Surface Mount Fuses 20A 250V FAST ACTING

SF-3812F2000T-2
Bourns
1: $4.00
9,951In Stock

Mfr. Part No.
SF-3812F2000T-2

Mouser Part No
652-SF-3812F2000T-2

Bourns

Surface Mount Fuses 20A 250V FAST ACTING

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Datasheet

9,951In Stock

Cut Tape

$4.00

$3.58

$3.02

$2.84

Reel

$2.03

View

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir

SMLJ22CA
Bourns
1: $1.60
33,746In Stock

Mfr. Part No.
SMLJ22CA

Mouser Part No
652-SMLJ22CA

Bourns

ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir

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Datasheet

33,746In Stock

Cut Tape

$1.60

$0.858

$0.771

$0.661

Reel

$0.579

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes TVS, 5V, BI, SOD-323, 3K T&R

SD24C.TCT
Semtech
1: $1.51
339,877In Stock

Mfr. Part No.
SD24C.TCT

Mouser Part No
947-SD24C.TCT

Semtech

ESD Protection Diodes / TVS Diodes TVS, 5V, BI, SOD-323, 3K T&R

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Datasheet

339,877In Stock

Cut Tape

$1.51

$0.913

$0.711

$0.578

Reel

$0.443

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Circuit Breaker Accessories PDG6 AUXILIARY SWITCHES, 4 FORM C

PDG6X4AC
Eaton Electrical
1: $1,417.75
1In Stock
New Product

Mfr. Part No.
PDG6X4AC

Mouser Part No
504-PDG6X4AC

New Product

Eaton Electrical

Circuit Breaker Accessories PDG6 AUXILIARY SWITCHES, 4 FORM C

Datasheet

1In Stock

$1,417.75

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI

SM15T39CAY
STMicroelectronics
1: $1.54
47,368In Stock

Mfr. Part No.
SM15T39CAY

Mouser Part No
511-SM15T39CAY

STMicroelectronics

ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI

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Datasheet

47,368In Stock

Cut Tape

$1.54

$1.14

$0.947

$0.778

Reel

$0.607

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses 250VAC 1.25A .122ohms 476 NANO2

04761.25MR
Littelfuse
1: $2.91
19,040In Stock

Mfr. Part No.
04761.25MR

Mouser Part No
576-04761.25MR

Littelfuse

Surface Mount Fuses 250VAC 1.25A .122ohms 476 NANO2

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Datasheet

19,040In Stock

Cut Tape

$2.91

$2.65

$2.52

$2.04

Reel

$1.29

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Cartridge Fuses 50A 500V NORMAL BLOW

0607050.UXTH500P
Littelfuse
1: $23.76
3,280In Stock

Mfr. Part No.
0607050.UXTH500P

Mouser Part No
576-0607050.UXTH500P

Littelfuse

Cartridge Fuses 50A 500V NORMAL BLOW

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Datasheet

3,280In Stock

$23.76

$19.71

$18.18

$15.07

View

Min.: 1
Mult.: 1

Automotive Fuses 58V 60A LP Jcase

0895060.U
Littelfuse
1: $3.82
10,843In Stock

Mfr. Part No.
0895060.U

Mouser Part No
576-0895060.U

Littelfuse

Automotive Fuses 58V 60A LP Jcase

Datasheet

10,843In Stock

$3.82

$3.18

$2.27

$2.00

View

Min.: 1
Mult.: 1

Fuse Holder Blok 30A 600V 2 Pole Screw Connector

L60030C2SQ
Littelfuse
1: $33.88
5,487In Stock

Mfr. Part No.
L60030C2SQ

Mouser Part No
576-L60030C2SQ

Littelfuse

Fuse Holder Blok 30A 600V 2 Pole Screw Connector

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Datasheet

5,487In Stock

$33.88

$25.96

$22.55

$21.75

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 66V 10KA

LTKAK10-066C
Littelfuse
1: $48.65
709In Stock

Mfr. Part No.
LTKAK10-066C

Mouser Part No
576-LTKAK10-066C

Littelfuse

ESD Protection Diodes / TVS Diodes 66V 10KA

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Datasheet

709In Stock

Cut Tape

$48.65

$44.23

$38.54

Reel

$37.03

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V

V2F105C150Y1FDP
KYOCERA AVX
1: $1.96
82,391In Stock
23,000Expected 25/9/2026

Mfr. Part No.
V2F105C150Y1FDP

Mouser Part No
581-V2F105C150Y1FDP

KYOCERA AVX

Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V

Learn More

Datasheet

82,391In Stock

23,000Expected 25/9/2026

Cut Tape

$1.96

$0.921

$0.798

$0.747

Reel

$0.545

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Board Mount Surge Protectors Overvoltage/Overcurrent Prot Cntr

LTC4361CTS8-2#TRMPBF
Analog Devices
1: $7.29
5,367In Stock

Mfr. Part No.
LTC4361CTS8-2#TRMPBF

Mouser Part No
584-C4361CTS8-2TMPF

Analog Devices

Board Mount Surge Protectors Overvoltage/Overcurrent Prot Cntr

Datasheet

5,367In Stock

Cut Tape

$7.29

$5.56

$5.14

$4.66

$4.46

Reel

$4.28

MouseReel Available

Min.: 1
Mult.: 1

: 500

Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr

LTC4365ITS8-1#TRPBF
Analog Devices
1: $7.75
19,981In Stock

Mfr. Part No.
LTC4365ITS8-1#TRPBF

Mouser Part No
584-C4365ITS8-1TRPBF

Analog Devices

Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr

Datasheet

19,981In Stock

Cut Tape

$7.75

$5.93

$5.47

$4.98

$4.77

Reel

$4.76

MouseReel Available

Min.: 1
Mult.: 1
Max.: 2,500

: 2,500

Board Mount Surge Protectors Hi V Surge Stopper

LTC4366IDDB-2#TRMPBF
Analog Devices
1: $13.40
6,420In Stock

Mfr. Part No.
LTC4366IDDB-2#TRMPBF

Mouser Part No
584-C4366IDDB-2TMPF

Analog Devices

Board Mount Surge Protectors Hi V Surge Stopper

Datasheet

6,420In Stock

Cut Tape

$13.40

$10.44

$9.71

$8.89

Reel

$8.26

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Board Mount Surge Protectors 100V Overvoltage, Undervoltage & Reverse

LTC4367IMS8-1#PBF
Analog Devices
1: $8.96
7,315In Stock

Mfr. Part No.
LTC4367IMS8-1#PBF

Mouser Part No
584-LTC4367IMS8-1PBF

Analog Devices

Board Mount Surge Protectors 100V Overvoltage, Undervoltage & Reverse

Datasheet

7,315In Stock

$8.96

$6.90

$6.04

$5.79

View

Min.: 1
Mult.: 1
Max.: 750

Varistors 620V 40KA MOV Disc Square 34mm

621KS34
YAGEO
1: $8.09
9,833In Stock

Mfr. Part No.
621KS34

Mouser Part No
603-621KS34

YAGEO

Varistors 620V 40KA MOV Disc Square 34mm

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Datasheet

9,833In Stock

$8.09

$6.19

$5.62

$4.54

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

P6SMB160A-Q
Bourns
1: $0.952
119,948In Stock

Mfr. Part No.
P6SMB160A-Q

Mouser Part No
652-P6SMB160A-Q

Bourns

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

Learn More

Datasheet

119,948In Stock

Cut Tape

$0.952

$0.583

$0.374

$0.284

Reel

$0.218

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Surge Protectors 100mA 850Vimp

P850-G120-WH
Bourns
1: $3.24
22,975In Stock

Mfr. Part No.
P850-G120-WH

Mouser Part No
652-P850-G120-WH

Bourns

Board Mount Surge Protectors 100mA 850Vimp

Learn More

Datasheet

Product Comments

22,975In Stock

Cut Tape

$3.24

$2.82

$1.94

$1.58

$1.48

Reel

$1.22

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-029C-H
Bourns
1: $6.50
7,480In Stock

Mfr. Part No.
PTVS1-029C-H

Mouser Part No
652-PTVS1-029C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

Learn More

Datasheet

7,480In Stock

Cut Tape

$6.50

$4.18

$3.66

$3.44

$3.24

Reel

$2.80

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SCRs New Input Thyristor - D2PAK-e3

VS-25TTS08STRL-M3
Vishay Semiconductors
1: $6.99
7,660In Stock

Mfr. Part No.
VS-25TTS08STRL-M3

Mouser Part No
78-VS-25TTS08STRL-M3

Vishay Semiconductors

SCRs New Input Thyristor - D2PAK-e3

Datasheet

7,660In Stock

Cut Tape

$6.99

$4.64

$3.30

$2.82

Reel

$2.82

Min.: 1
Mult.: 1

: 800

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor

B59641A0085A062
TDK
1: $0.517
155,118In Stock

Mfr. Part No.
B59641A0085A062

Mouser Part No
871-B59641A0085A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor

Learn More

Datasheet

155,118In Stock

Cut Tape

$0.517

$0.472

$0.407

$0.335

Reel

$0.256

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Circuit Protection

Types of Circuit Protection

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