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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: 361,781

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Download Table (.CSV)

Part #

Surface Mount Fuses 1206 slow-blow met-foil. 20A Auto

SF-1206SA2000R-2
Bourns
1: $0.90
7,679In Stock

Mfr. Part No.
SF-1206SA2000R-2

Mouser Part No
652-SF-1206SA2000R-2

Bourns

Surface Mount Fuses 1206 slow-blow met-foil. 20A Auto

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Datasheet

7,679In Stock

Cut Tape

$0.90

$0.803

$0.656

$0.545

View

Reel

$0.334

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD 120V

TISP4145H3BJR-S
Bourns
1: $1.41
11,304In Stock

Mfr. Part No.
TISP4145H3BJR-S

Mouser Part No
652-TISP4145H3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 120V

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Datasheet

11,304In Stock

Cut Tape

$1.41

$0.837

$0.549

$0.425

Reel

$0.342

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

TISP4310T3BJR-S
Bourns
1: $1.17
11,050In Stock

Mfr. Part No.
TISP4310T3BJR-S

Mouser Part No
652-TISP4310T3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

Datasheet

11,050In Stock

Cut Tape

$1.17

$0.734

$0.483

$0.375

Reel

$0.324

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors ZV 20V 10%

ZV20K1210401NIR1HT
Bourns
1: $0.35
14,534In Stock

Mfr. Part No.
ZV20K1210401NIR1HT

Mouser Part No
652-ZV20K1210401NIRH

Bourns

Varistors ZV 20V 10%

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Datasheet

14,534In Stock

Cut Tape

$0.35

$0.214

$0.184

$0.17

Reel

$0.147

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses 2A 0402 micro chip

ERB-RD2R00X
Panasonic
1: $0.28
84,531In Stock
20,000On Order

Mfr. Part No.
ERB-RD2R00X

Mouser Part No
667-ERB-RD2R00X

Panasonic

Surface Mount Fuses 2A 0402 micro chip

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Datasheet

84,531In Stock

20,000On Order

Cut Tape

$0.28

$0.234

$0.203

$0.188

View

Reel

$0.108

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 2-/4-/6-/8-Channel 30kV ESD Protectors

MAX13208EALB+T
Analog Devices / Maxim Integrated
1: $5.34
2,455In Stock

Mfr. Part No.
MAX13208EALB+T

Mouser Part No
700-MAX13208EALBT

Analog Devices / Maxim Integrated

ESD Protection Diodes / TVS Diodes 2-/4-/6-/8-Channel 30kV ESD Protectors

Datasheet

2,455In Stock

Cut Tape

$5.34

$3.53

$2.96

$2.71

View

Reel

$2.58

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Industrial Surge Protectors Panel Mount Heavy Duty AC Surge Suppressor, 50kA, 120/240V Split Phase

M50-120T-A
Citel
Restricted Availability

Mfr. Part No.
M50-120T-A

Mouser Part No
703-M50-120T-A

Citel

Industrial Surge Protectors Panel Mount Heavy Duty AC Surge Suppressor, 50kA, 120/240V Split Phase

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Datasheet

Restricted Availability

Varistors WE-VS SMD 1206 3600pF 150A 5.5VDC

82531040
Wurth Elektronik
1: $0.78
6,338In Stock

Mfr. Part No.
82531040

Mouser Part No
710-82531040

Wurth Elektronik

Varistors WE-VS SMD 1206 3600pF 150A 5.5VDC

Datasheet

6,338In Stock

Cut Tape

$0.78

$0.743

$0.74

$0.732

View

Reel

$0.541

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

VS3V3BB1FST27N
ROHM Semiconductor
1: $0.29
51,105In Stock

Mfr. Part No.
VS3V3BB1FST27N

Mouser Part No
755-VS3V3BB1FST27N

ROHM Semiconductor

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

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Datasheet

51,105In Stock

Cut Tape

$0.29

$0.195

$0.08

$0.076

View

Reel

$0.063

MouseReel Available

Min.: 1
Mult.: 1

: 27,000

Triacs AC Thyristor power switch

ACT108W-800EF
WeEn Semiconductors
1: $0.81
23,453In Stock
20,000On Order

Mfr. Part No.
ACT108W-800EF

Mouser Part No
771-ACT108W-800EF

WeEn Semiconductors

Triacs AC Thyristor power switch

Datasheet

23,453In Stock

20,000On Order

Cut Tape

$0.81

$0.454

$0.329

$0.252

Reel

$0.159

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Triacs TAPE13 TRIAC

BT139B-800,118
WeEn Semiconductors
1: $1.95
5,420In Stock
5,450On Order

Mfr. Part No.
BT139B-800,118

Mouser Part No
771-BT139B-800118

WeEn Semiconductors

Triacs TAPE13 TRIAC

Datasheet

5,420In Stock

5,450On Order

Cut Tape

$1.95

$1.22

$0.804

$0.637

Reel

$0.565

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

SCRs TAPE13 SCR

BT152B-800R,118
WeEn Semiconductors
1: $2.06
4,468In Stock

Mfr. Part No.
BT152B-800R,118

Mouser Part No
771-BT152B-800R118

WeEn Semiconductors

SCRs TAPE13 SCR

Datasheet

4,468In Stock

Cut Tape

$2.06

$1.31

$0.869

$0.712

Reel

$0.623

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

Triacs THYR AND TRIACS

BTA212B-800E,118
WeEn Semiconductors
1: $2.14
4,395In Stock

Mfr. Part No.
BTA212B-800E,118

Mouser Part No
771-BTA212B-800E118

WeEn Semiconductors

Triacs THYR AND TRIACS

Datasheet

4,395In Stock

Cut Tape

$2.14

$1.38

$0.929

$0.66

Reel

$0.66

MouseReel Available

Min.: 1
Mult.: 1

: 800

Triacs RAIL 3Q TRIAC

BTA216X-600B,127
WeEn Semiconductors
1: $2.07
5,321In Stock

Mfr. Part No.
BTA216X-600B,127

Mouser Part No
771-BTA216X-600B127

WeEn Semiconductors

Triacs RAIL 3Q TRIAC

Datasheet

5,321In Stock

$2.07

$1.32

$0.875

$0.717

View

Min.: 1
Mult.: 1

Triacs Thyristor TRIAC 600V 150A 3-Pin (2+Tab)

BTA316B-600C,118
WeEn Semiconductors
1: $1.80
6,054In Stock

Mfr. Part No.
BTA316B-600C,118

Mouser Part No
771-BTA316B-600C,118

WeEn Semiconductors

Triacs Thyristor TRIAC 600V 150A 3-Pin (2+Tab)

Datasheet

6,054In Stock

Cut Tape

$1.80

$1.15

$0.768

$0.572

Reel

$0.524

$0.519

MouseReel Available

Min.: 1
Mult.: 1

: 800

Triacs 600 V 16 A TO220F

BTA316X-600E/DG,127
WeEn Semiconductors
1: $1.76
5,039In Stock

Mfr. Part No.
BTA316X-600E/DG,127

Mouser Part No
771-BTA316X600EDG12

WeEn Semiconductors

Triacs 600 V 16 A TO220F

Datasheet

5,039In Stock

$1.76

$1.12

$0.749

$0.592

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W 24V 5% SMA (DO-214AC)

SMAJ24CAHE3_A/H
Vishay Semiconductors
1: $0.45
11,549In Stock
9,000On Order

Mfr. Part No.
SMAJ24CAHE3_A/H

Mouser Part No
78-SMAJ24CAHE3_A/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W 24V 5% SMA (DO-214AC)

Learn More

Datasheet

11,549In Stock

9,000On Order

Cut Tape

$0.45

$0.303

$0.205

$0.16

$0.128

Reel

$0.127

MouseReel Available

Min.: 1
Mult.: 1

: 1,800

ESD Protection Diodes / TVS Diodes 1000watt 17volt

SMF17A-E3-08
Vishay Semiconductors
1: $0.40
50,737In Stock

Mfr. Part No.
SMF17A-E3-08

Mouser Part No
78-SMF17A-E3-08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1000watt 17volt

Learn More

Datasheet

50,737In Stock

Cut Tape

$0.40

$0.254

$0.127

$0.116

Reel

$0.096

$0.088

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 31.4-34.7Vbr AEC-Q101 Qualified

TPC33CAHM3/H
Vishay Semiconductors
1: $2.11
4,716In Stock
4,500On Order

Mfr. Part No.
TPC33CAHM3/H

Mouser Part No
78-TPC33CAHM3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 31.4-34.7Vbr AEC-Q101 Qualified

Learn More

Datasheet

4,716In Stock

4,500On Order

Cut Tape

$2.11

$1.34

$0.929

$0.788

Reel

$0.604

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SCRs 35A If; 1600V Vr TO-247AD 3L

VS-40TPS16LHM3
Vishay Semiconductors
1: $8.36
2,271In Stock

Mfr. Part No.
VS-40TPS16LHM3

Mouser Part No
78-VS-40TPS16LHM3

Vishay Semiconductors

SCRs 35A If; 1600V Vr TO-247AD 3L

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Datasheet

2,271In Stock

$8.36

$6.70

$5.41

$4.32

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W -/+30kV -/+5% AEC-Q101 Qualified

VTVS23ASMF-HM3-08
Vishay Semiconductors
1: $0.20
32,660In Stock

Mfr. Part No.
VTVS23ASMF-HM3-08

Mouser Part No
78-VTVS23ASMF-HM3-08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W -/+30kV -/+5% AEC-Q101 Qualified

Learn More

Datasheet

32,660In Stock

Cut Tape

$0.20

$0.199

$0.17

$0.166

Reel

$0.166

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors 10Kohm 0.5% 0402

NTCG103JX103DT1
TDK
1: $0.31
13,573In Stock

Mfr. Part No.
NTCG103JX103DT1

Mouser Part No
810-NTCG103JX103DT

TDK

NTC (Negative Temperature Coefficient) Thermistors 10Kohm 0.5% 0402

Learn More

Datasheet

13,573In Stock

Cut Tape

$0.31

$0.293

$0.259

$0.246

Reel

$0.166

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

NTC (Negative Temperature Coefficient) Thermistors 3.3kOhm 5% PPS Resin B0/100:3970K+-2%

NTCRP3VG332JDGBEA
TDK
1: $12.30
559In Stock

Mfr. Part No.
NTCRP3VG332JDGBEA

Mouser Part No
810-NTCRP3VG332JDGBE

TDK

NTC (Negative Temperature Coefficient) Thermistors 3.3kOhm 5% PPS Resin B0/100:3970K+-2%

Learn More

Datasheet

559In Stock

$12.30

$11.17

$10.74

$10.24

View

Min.: 1
Mult.: 1

SCRs 25 Amp 1200 Volt 40 Amp IT(RMS)

VS-25RIA120S90
Vishay Semiconductors
1: $24.42
147In Stock

Mfr. Part No.
VS-25RIA120S90

Mouser Part No
844-25RIA120S90

Vishay Semiconductors

SCRs 25 Amp 1200 Volt 40 Amp IT(RMS)

Datasheet

147In Stock

$24.42

$17.70

$16.90

Min.: 1
Mult.: 1

SCRs 800V 25A

2N6509G
Littelfuse
1: $3.86
4,320In Stock

Mfr. Part No.
2N6509G

Mouser Part No
863-2N6509G

Littelfuse

SCRs 800V 25A

Datasheet

4,320In Stock

Cut Tape

$3.86

$2.55

$1.80

$1.71

Reel

$1.71

Min.: 1
Mult.: 1

: 1,000

Circuit Protection

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