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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: 362,143

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Part #

ESD Protection Diodes / TVS Diodes Dataline Protection PP X1-DFN1006-2 T&R 10K

D3V3Z1B2LPQ-7B
Diodes Incorporated
1: $0.476
64,200In Stock

Mfr. Part No.
D3V3Z1B2LPQ-7B

Mouser Part No
621-D3V3Z1B2LPQ-7B

Diodes Incorporated

ESD Protection Diodes / TVS Diodes Dataline Protection PP X1-DFN1006-2 T&R 10K

Datasheet

64,200In Stock

Cut Tape

$0.476

$0.227

$0.17

$0.139

View

Reel

$0.079

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

MOV-14D271KKTR
Bourns
1: $1.14
17,499In Stock

Mfr. Part No.
MOV-14D271KKTR

Mouser Part No
652-MOV-14D271KKTR

Bourns

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

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Datasheet

17,499In Stock

Cut Tape

$1.14

$0.688

$0.432

$0.379

Reel

$0.324

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

SMF24A-HE3_A08
Vishay Semiconductors
1: $0.707
23,680In Stock

Mfr. Part No.
SMF24A-HE3_A08

Mouser Part No
78-SMF24A-HE3A08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

Datasheet

23,680In Stock

Cut Tape

$0.707

$0.446

$0.284

$0.227

Reel

$0.162

View

Min.: 1
Mult.: 1

: 3,000

Varistors 50VAC 65VDC 1500pF AEC-Q200

V65MLA1812NRAUTO
Littelfuse
1: $4.15
2,543In Stock

Mfr. Part No.
V65MLA1812NRAUTO

Mouser Part No
576-V65MLA1812NRAUTO

Littelfuse

Varistors 50VAC 65VDC 1500pF AEC-Q200

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Datasheet

2,543In Stock

Cut Tape

$4.15

$2.99

$2.82

$2.41

Reel

$1.66

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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: $1.56
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

Learn More

Datasheet

47,368In Stock

Cut Tape

$1.56

$1.25

$0.975

$0.789

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

View

Reel

$1.29

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

$19.72

$18.20

$15.08

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

$2.57

$2.20

View

Min.: 1
Mult.: 1

Fuse Holder Blok 30A 600V 2 Pole Screw Connector

L60030C2SQ
Littelfuse
1: $33.78
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

$33.78

$25.95

$24.13

$21.75

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 66V 10KA

LTKAK10-066C
Littelfuse
1: $48.65
719In Stock

Mfr. Part No.
LTKAK10-066C

Mouser Part No
576-LTKAK10-066C

Littelfuse

ESD Protection Diodes / TVS Diodes 66V 10KA

Learn More

Datasheet

719In Stock

Cut Tape

$48.65

$44.23

$38.54

Reel

$37.96

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

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

V2F105C150Y1FDP
KYOCERA AVX
1: $1.81
82,391In Stock
23,000On Order

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

23,000On Order

Cut Tape

$1.81

$1.13

$0.749

$0.747

Reel

$0.529

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

$5.13

$5.03

Reel

$4.18

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr

LTC4365ITS8-1#TRPBF
Analog Devices
1: $7.75
20,001In 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

20,001In 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
6,835In Stock

Mfr. Part No.
LTC4366IDDB-2#TRMPBF

Mouser Part No
584-C4366IDDB-2TMPF

Analog Devices

Board Mount Surge Protectors Hi V Surge Stopper

Datasheet

6,835In 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
7,317In Stock

Mfr. Part No.
LTC4367IMS8-1#PBF

Mouser Part No
584-LTC4367IMS8-1PBF

Analog Devices

Board Mount Surge Protectors 100V Overvoltage, Undervoltage & Reverse

Datasheet

7,317In 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

Learn More

Datasheet

9,833In Stock

$8.09

$6.19

$5.62

$5.18

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
24,235In 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

24,235In 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: $5.94
7,509In 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

7,509In Stock

Cut Tape

$5.94

$4.13

$3.55

$3.44

$3.14

Reel

$3.10

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SCRs New Input Thyristor - D2PAK-e3

VS-25TTS08STRL-M3
Vishay Semiconductors
1: $6.99
7,780In Stock

Mfr. Part No.
VS-25TTS08STRL-M3

Mouser Part No
78-VS-25TTS08STRL-M3

Vishay Semiconductors

SCRs New Input Thyristor - D2PAK-e3

Datasheet

7,780In 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

$0.479

$0.418

$0.344

Reel

$0.262

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT

RCLAMP0524S.TCT
Semtech
1: $1.82
70,925In Stock

Mfr. Part No.
RCLAMP0524S.TCT

Mouser Part No
947-RCLAMP0524S.TCT

Semtech

ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT

Learn More

Datasheet

70,925In Stock

Cut Tape

$1.82

$1.30

$1.05

$0.922

Reel

$0.691

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PTC (Positive Temperature Coefficient) Thermistors 35ohms 10A 410V 30%

PTC305C20
Vishay / Cera-Mite
1: $21.76
551In Stock

Mfr. Part No.
PTC305C20

Mouser Part No
75-PTC305C20

Vishay / Cera-Mite

PTC (Positive Temperature Coefficient) Thermistors 35ohms 10A 410V 30%

Datasheet

551In Stock

$21.76

$19.23

$17.23

$16.32

View

Min.: 1
Mult.: 1

Industrial Surge Protectors 75VDC 2W+G

1320-S-75
Bourns
1: $213.18
167In Stock

Mfr. Part No.
1320-S-75

Mouser Part No
652-1320-S-75

Bourns

Industrial Surge Protectors 75VDC 2W+G

Learn More

Datasheet

167In Stock

$213.18

$160.77

$132.67

$126.29

Min.: 1
Mult.: 1

Circuit Protection

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