.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 365,610

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Download Table (.CSV)

Part #

Varistors 18 VDC .4J 38V-CL 355PF

ZV14K0805121NIR1
Bourns
1: $0.257
31,011In Stock

Mfr. Part No.
ZV14K0805121NIR1

Mouser Part No
652-ZV14K0805121NIR1

Bourns

Varistors 18 VDC .4J 38V-CL 355PF

Learn More

Datasheet

31,011In Stock

Cut Tape

$0.257

$0.156

$0.133

$0.127

View

Reel

$0.114

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Varistors ZV 35V 10%

ZV35K1206121NIR1
Bourns
1: $0.358
14,696In Stock

Mfr. Part No.
ZV35K1206121NIR1

Mouser Part No
652-ZV35K1206121NIR1

Bourns

Varistors ZV 35V 10%

Learn More

Datasheet

14,696In Stock

Cut Tape

$0.358

$0.217

$0.186

$0.17

Reel

$0.146

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors ZV 50V 10%

ZV50K2220801NIR1
Bourns
1: $1.29
2,678In Stock

Mfr. Part No.
ZV50K2220801NIR1

Mouser Part No
652-ZV50K2220801NIR1

Bourns

Varistors ZV 50V 10%

Learn More

Datasheet

2,678In Stock

Cut Tape

$1.29

$0.965

$0.851

$0.797

$0.791

Reel

$0.791

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors ZV 60 K 1210 251 NI R1

ZV60K1210251NIR1
Bourns
1: $1.29
11,750In Stock

Mfr. Part No.
ZV60K1210251NIR1

Mouser Part No
652-ZV60K1210251NIR1

Bourns

Varistors ZV 60 K 1210 251 NI R1

Learn More

Datasheet

11,750In Stock

Cut Tape

$1.29

$0.782

$0.49

$0.432

Reel

$0.25

View

Min.: 1
Mult.: 1

: 2,000

Power Outlet Strips Rack PDU, Switched 1U,16A,208/230V-8C13

AP7921B
APC by Schneider Electric
Restricted Availability

Mfr. Part No.
AP7921B

Mouser Part No
679-AP7921B

APC by Schneider Electric

Power Outlet Strips Rack PDU, Switched 1U,16A,208/230V-8C13

Datasheet

Restricted Availability

ESD Protection Diodes / TVS Diodes RASMID™ Series - Transient Voltage Suppressor

VS5V0BB1FST27N
ROHM Semiconductor
1: $0.415
53,660In Stock

Mfr. Part No.
VS5V0BB1FST27N

Mouser Part No
755-VS5V0BB1FST27N

ROHM Semiconductor

ESD Protection Diodes / TVS Diodes RASMID™ Series - Transient Voltage Suppressor

Learn More

Datasheet

53,660In Stock

Cut Tape

$0.415

$0.279

$0.114

$0.109

View

Reel

$0.096

MouseReel Available

Min.: 1
Mult.: 1

: 27,000

ESD Protection Diodes / TVS Diodes 51V Vwm TransZorb eSMP TO-277A SMPC

SMPC51AN-M3/H
Vishay Semiconductors
1: $1.16
5,785In Stock

Mfr. Part No.
SMPC51AN-M3/H

Mouser Part No
78-SMPC51AN-M3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 51V Vwm TransZorb eSMP TO-277A SMPC

Learn More

Datasheet

5,785In Stock

Cut Tape

$1.16

$0.721

$0.473

Reel

$0.386

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SCRs New Input Thyristor - TO-247-e3

VS-40TPS08-M3
Vishay Semiconductors
1: $12.36
400In Stock

Mfr. Part No.
VS-40TPS08-M3

Mouser Part No
78-VS-40TPS08-M3

Vishay Semiconductors

SCRs New Input Thyristor - TO-247-e3

Datasheet

400In Stock

$12.36

$7.41

$6.31

Min.: 1
Mult.: 1

SCRs New Input Thyristor - TO-247-e3

VS-40TPS16-M3
Vishay Semiconductors
1: $10.93
619In Stock

Mfr. Part No.
VS-40TPS16-M3

Mouser Part No
78-VS-40TPS16-M3

Vishay Semiconductors

SCRs New Input Thyristor - TO-247-e3

Datasheet

619In Stock

$10.93

$7.84

$6.91

$6.31

$6.16

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Case EIA 0201 B= 1% ,10kO 1%

NTCG063JF103FTB
TDK
1: $0.658
26,675In Stock

Mfr. Part No.
NTCG063JF103FTB

Mouser Part No
810-NTCG063JF103FTB

TDK

NTC (Negative Temperature Coefficient) Thermistors Case EIA 0201 B= 1% ,10kO 1%

Learn More

Datasheet

26,675In Stock

Cut Tape

$0.658

$0.631

$0.612

$0.599

View

Reel

$0.48

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

NTC (Negative Temperature Coefficient) Thermistors 50K OHM 3%

NTCGP3UH503HCJBAA
TDK
1: $7.84
808In Stock

Mfr. Part No.
NTCGP3UH503HCJBAA

Mouser Part No
810-NTCGP3UH503HCJBA

TDK

NTC (Negative Temperature Coefficient) Thermistors 50K OHM 3%

Learn More

Datasheet

808In Stock

$7.84

$7.04

$6.75

$6.39

View

Min.: 1
Mult.: 1

SCRs 400 Volt 25 Amp

VS-25RIA40
Vishay Semiconductors
1: $23.97
167In Stock

Mfr. Part No.
VS-25RIA40

Mouser Part No
844-25RIA40

Vishay Semiconductors

SCRs 400 Volt 25 Amp

Datasheet

167In Stock

$23.97

$18.63

Min.: 1
Mult.: 1

Triacs 16A 35mA 600V IGT 3 QUAD INTERNL ISLTD

BTA16-600CW3G
Littelfuse
1: $6.56
1,623In Stock

Mfr. Part No.
BTA16-600CW3G

Mouser Part No
863-BTA16-600CW3G

Littelfuse

Triacs 16A 35mA 600V IGT 3 QUAD INTERNL ISLTD

Datasheet

1,623In Stock

$6.56

$3.42

$3.13

Min.: 1
Mult.: 1

Inrush Current Limiters S 236/20 M51

B57236S0200M051
TDK
1: $1.47
4,104In Stock

Mfr. Part No.
B57236S0200M051

Mouser Part No
871-B57236S0200M051

TDK

Inrush Current Limiters S 236/20 M51

Learn More

Datasheet

4,104In Stock

Cut Tape

$1.47

$1.35

$1.16

$1.08

Reel

$0.795

View

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiters S 237/15 M

B57237S0150M000
TDK
1: $1.72
2,395In Stock

Mfr. Part No.
B57237S0150M000

Mouser Part No
871-B57237S0150M000

TDK

Inrush Current Limiters S 237/15 M

Learn More

Datasheet

2,395In Stock

$1.72

$1.59

$1.09

$1.04

View

Min.: 1
Mult.: 1

Inrush Current Limiters 10 Ohms 7.5amsp 3300k

B57364S0100M054
TDK
1: $5.15
1,495In Stock

Mfr. Part No.
B57364S0100M054

Mouser Part No
871-B57364S100M54

TDK

Inrush Current Limiters 10 Ohms 7.5amsp 3300k

Learn More

Datasheet

1,495In Stock

$5.15

$4.65

$4.10

$4.02

View

Reel

$2.27

Min.: 1
Mult.: 1

: 750

NTC (Negative Temperature Coefficient) Thermistors 0603 100K 5% B-4480 NTC

B57371V2104J060
TDK
1: $0.358
28,379In Stock

Mfr. Part No.
B57371V2104J060

Mouser Part No
871-B57371V2104J060

TDK

NTC (Negative Temperature Coefficient) Thermistors 0603 100K 5% B-4480 NTC

Learn More

Datasheet

28,379In Stock

Cut Tape

$0.358

$0.337

$0.297

$0.277

Reel

$0.192

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 10K K62 B-3530K NTC Thermistor 1206

B57621C5103K062
TDK
1: $1.17
5,588In Stock

Mfr. Part No.
B57621C5103K062

Mouser Part No
871-B57621C5103K062

TDK

NTC (Negative Temperature Coefficient) Thermistors 10K K62 B-3530K NTC Thermistor 1206

Learn More

Datasheet

5,588In Stock

Cut Tape

$1.17

$1.10

$1.03

$0.985

View

Reel

$0.694

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 3k 3988

B57863S0302F040
TDK
1: $3.85
3,666In Stock

Mfr. Part No.
B57863S0302F040

Mouser Part No
871-B57863S302F40

TDK

NTC (Negative Temperature Coefficient) Thermistors 3k 3988

Learn More

Datasheet

3,666In Stock

$3.85

$3.68

$3.47

$3.33

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 2.2k 3900 3%

B57891M0222J000
TDK
1: $1.10
3,977In Stock

Mfr. Part No.
B57891M0222J000

Mouser Part No
871-B57891M222J

TDK

NTC (Negative Temperature Coefficient) Thermistors 2.2k 3900 3%

Learn More

Datasheet

3,977In Stock

$1.10

$1.04

$0.978

$0.932

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 6.8k 3980 3%

B57891M0682J000
TDK
1: $1.10
7,878In Stock

Mfr. Part No.
B57891M0682J000

Mouser Part No
871-B57891M682J

TDK

NTC (Negative Temperature Coefficient) Thermistors 6.8k 3980 3%

Learn More

Datasheet

7,878In Stock

$1.10

$1.04

$0.977

$0.931

View

Min.: 1
Mult.: 1

Varistors 20VAC 10% 5mm StandarD

B72205S0200K101
TDK
1: $0.40
14,662In Stock

Mfr. Part No.
B72205S0200K101

Mouser Part No
871-B72205S200K101

TDK

Varistors 20VAC 10% 5mm StandarD

Learn More

Datasheet

14,662In Stock

$0.40

$0.247

$0.213

$0.196

View

Min.: 1
Mult.: 1

Varistors 35VAC 10% 7mm StandarD

B72207S0350K111
TDK
1: $0.458
22,010In Stock

Mfr. Part No.
B72207S0350K111

Mouser Part No
871-B72207S0350K111

TDK

Varistors 35VAC 10% 7mm StandarD

Learn More

Datasheet

22,010In Stock

Cut Tape

$0.458

$0.279

$0.24

$0.222

Reel

$0.179

View

Min.: 1
Mult.: 1

: 1,500

Varistors 20VAC 10% 7mm StandarD

B72207S0200K101
TDK
1: $0.372
30,442In Stock
15,000On Order

Mfr. Part No.
B72207S0200K101

Mouser Part No
871-B72207S200K101

TDK

Varistors 20VAC 10% 7mm StandarD

Learn More

Datasheet

30,442In Stock

15,000On Order

$0.372

$0.225

$0.193

$0.177

View

Min.: 1
Mult.: 1

Varistors 14VAC 10% 14mm AEC-Q200

B72214S1140K102
TDK
1: $1.52
2,972In Stock
3,000On Order

Mfr. Part No.
B72214S1140K102

Mouser Part No
871-B72214S1140K102

TDK

Varistors 14VAC 10% 14mm AEC-Q200

Learn More

Datasheet

2,972In Stock

3,000On Order

$1.52

$0.988

$0.872

$0.817

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support