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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: 361,667

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Download Table (.CSV)

Part #

ESD Protection Diodes / TVS Diodes Low Capacitance RailClamp 4-Line Surge & ESD Protection

RCLAMP03354P.A
Semtech
1: €1.02
10,252In Stock

Mfr. Part No.
RCLAMP03354P.A

Mouser Part No
947-RCLAMP03354P.A

Semtech

ESD Protection Diodes / TVS Diodes Low Capacitance RailClamp 4-Line Surge & ESD Protection

Datasheet

10,252In Stock

Cut Tape

€1.02

€0.727

€0.481

€0.375

Reel

€0.284

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Board Mount Surge Protectors Hi V Surge Stopper w/ C Lim

LT4363IMS-2#PBF
Analog Devices
1: €7.75
23,155In Stock

Mfr. Part No.
LT4363IMS-2#PBF

Mouser Part No
584-LT4363IMS-2#PBF

Analog Devices

Board Mount Surge Protectors Hi V Surge Stopper w/ C Lim

Datasheet

23,155In Stock

€7.75

€6.03

€5.44

€5.08

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3V3V 1000W UniDir TransZorb 5% Tol

SMBJ3V3-E3/5B
Vishay Semiconductors
1: €0.241
110,330In Stock

Mfr. Part No.
SMBJ3V3-E3/5B

Mouser Part No
625-SMBJ3V3-E3/5B

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3V3V 1000W UniDir TransZorb 5% Tol

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Datasheet

110,330In Stock

Cut Tape

€0.241

€0.133

€0.13

€0.127

Reel

€0.126

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,200

SCRs 35A If; 1200V Vr TO-247AD 3L; Std Igt

VS-40TPS12LHM3
Vishay Semiconductors
1: €5.40
11,110In Stock

Mfr. Part No.
VS-40TPS12LHM3

Mouser Part No
78-VS-40TPS12LHM3

Vishay Semiconductors

SCRs 35A If; 1200V Vr TO-247AD 3L; Std Igt

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Datasheet

11,110In Stock

€5.40

€3.53

€3.09

€3.08

Quote

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors PTFC102B1G0 PT1000,2.0X2.3,B

NB-PTCO-006
Measurement Specialties
1: €0.972
17,850In Stock

Mfr. Part No.
NB-PTCO-006

Mouser Part No
824-NB-PTCO-006

Measurement Specialties

PTC (Positive Temperature Coefficient) Thermistors PTFC102B1G0 PT1000,2.0X2.3,B

Datasheet

17,850In Stock

€0.972

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 4-LINE 5V TVS, ESD and EOS Protection

RCLAMP0504FBTCT
Semtech
1: €0.507
52,411In Stock

Mfr. Part No.
RCLAMP0504FBTCT

Mouser Part No
947-RCLAMP0504FBTCT

Semtech

ESD Protection Diodes / TVS Diodes 4-LINE 5V TVS, ESD and EOS Protection

Learn More

Datasheet

52,411In Stock

Cut Tape

€0.507

€0.502

€0.492

€0.436

Reel

€0.374

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1 LINE ESD PROTECTION

UCLAMP1201H.TCT
Semtech
1: €0.817
120,370In Stock

Mfr. Part No.
UCLAMP1201H.TCT

Mouser Part No
947-UCLAMP1201H.TCT

Semtech

ESD Protection Diodes / TVS Diodes 1 LINE ESD PROTECTION

Learn More

Datasheet

120,370In Stock

Cut Tape

€0.817

€0.511

€0.333

€0.256

€0.212

Reel

€0.168

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes Transient Voltage Suppressor PP SMA T&R 5K

SMA6J15AQ-13
Diodes Incorporated
1: €0.482
4,979In Stock
New Product

Mfr. Part No.
SMA6J15AQ-13

Mouser Part No
621-SMA6J15AQ-13

New Product

Diodes Incorporated

ESD Protection Diodes / TVS Diodes Transient Voltage Suppressor PP SMA T&R 5K

Datasheet

4,979In Stock

Cut Tape

€0.482

€0.298

€0.189

€0.151

Reel

€0.092

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Fuse Holder MINI Fuse - Inline

0FHM0001LXN
Littelfuse
1: €5.26
Lead-Time 16 Weeks

Mfr. Part No.
0FHM0001LXN

Mouser Part No
576-0FHM0001LXN

Littelfuse

Fuse Holder MINI Fuse - Inline

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Datasheet

Lead-Time 16 Weeks

€5.26

€4.37

€4.03

€3.29

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Min.: 1
Mult.: 1

SCRs New Input Thyristor - TO-220-e3

VS-25TTS12-M3
Vishay Semiconductors
1: €4.73
7,165In Stock

Mfr. Part No.
VS-25TTS12-M3

Mouser Part No
78-VS-25TTS12-M3

Vishay Semiconductors

SCRs New Input Thyristor - TO-220-e3

Datasheet

7,165In Stock

€4.73

€2.49

€2.10

€2.05

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 850A 130A 70 10X2.5 PTC Thermistor

B59850C0130A070
TDK
1: €1.45
25,287In Stock

Mfr. Part No.
B59850C0130A070

Mouser Part No
871-B59850C0130A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 850A 130A 70 10X2.5 PTC Thermistor

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Datasheet

25,287In Stock

€1.45

€1.34

€1.26

€1.12

View

Reel

€0.759

Min.: 1
Mult.: 1

Reel: 1,300

SCRs 30 A 1200 V automotive grade SCR Thyristor

TN3050HP-12L2Y
STMicroelectronics
1: €4.23
568In Stock

Mfr. Part No.
TN3050HP-12L2Y

Mouser Part No
511-TN3050HP-12L2Y

STMicroelectronics

SCRs 30 A 1200 V automotive grade SCR Thyristor

Learn More

Datasheet

568In Stock

Cut Tape

€4.23

€3.47

€3.03

Reel

€2.80

€2.53

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 600

Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A

PF-KT1-50
Bourns
1: €15.09
300In Stock

Mfr. Part No.
PF-KT1-50

Mouser Part No
652-PF-KT1-50

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A

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Datasheet

300In Stock

€15.09

€13.72

€13.42

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes T4F - A 36V

T4F36AHM3/H
Vishay Semiconductors
1: €0.387
35,990In Stock

Mfr. Part No.
T4F36AHM3/H

Mouser Part No
78-T4F36AHM3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes T4F - A 36V

Learn More

Datasheet

35,990In Stock

Cut Tape

€0.387

€0.262

€0.151

€0.117

Reel

€0.085

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Cartridge Fuses 250V 4A Slo-Blo

0215004.MXEP
Littelfuse
1: €2.05
13,689In Stock
14,000On Order

Mfr. Part No.
0215004.MXEP

Mouser Part No
576-0215004.MXEP

Littelfuse

Cartridge Fuses 250V 4A Slo-Blo

Learn More

Datasheet

13,689In Stock

14,000On Order

€2.05

€1.86

€1.63

€1.40

View

Min.: 1
Mult.: 1

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

0487020.MXEP
Littelfuse
1: €5.50
4,298In Stock

Mfr. Part No.
0487020.MXEP

Mouser Part No
576-0487020.MXEP

Littelfuse

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

Learn More

Datasheet

4,298In Stock

€5.50

€4.57

€4.21

€3.49

View

Min.: 1
Mult.: 1

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

LFJ60060FBC
Littelfuse
1: €11.38
2,842In Stock
2,429On Order

Mfr. Part No.
LFJ60060FBC

Mouser Part No
576-LFJ60060FBC

Littelfuse

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

Learn More

Datasheet

2,842In Stock

2,429On Order

€11.38

€9.53

€9.10

€8.51

View

Min.: 1
Mult.: 1

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

LFT600603C
Littelfuse
1: €46.18
1,561In Stock
1,638On Order

Mfr. Part No.
LFT600603C

Mouser Part No
576-LFT600603C

Littelfuse

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

Datasheet

1,561In Stock

1,638On Order

€46.18

€41.10

€38.87

€33.47

View

Min.: 1
Mult.: 1

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

SMLJ22CA
Bourns
1: €0.473
34,326In Stock

Mfr. Part No.
SMLJ22CA

Mouser Part No
652-SMLJ22CA

Bourns

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

Learn More

Datasheet

34,326In Stock

Cut Tape

€0.473

€0.447

€0.446

€0.418

Reel

€0.38

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Power Outlet Strips EATON REPO PDU, 3U, IEC 532P6W

PC2672-1R
Eaton
1: €4,775.20
1In Stock

Mfr. Part No.
PC2672-1R

Mouser Part No
545-PC2672-1R

Eaton

Power Outlet Strips EATON REPO PDU, 3U, IEC 532P6W

1In Stock

€4,775.20

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 155C, DIN 40081/40082 standard

YAM3 155 05 520 180 180 520
Microtherm Sentronic
1: €5.41
583In Stock
New Product

Mfr. Part No.
YAM3 155 05 520 180 180 520

Mouser Part No
256-YAM315505520520

New Product

Microtherm Sentronic

PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 155C, DIN 40081/40082 standard

Learn More

Datasheet

583In Stock

€5.41

€4.81

€4.33

€4.09

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories NQB L103

69D2660G11
Eaton Electrical
1: €7,757.11
3In Stock
New At Mouser

Mfr. Part No.
69D2660G11

Mouser Part No
504-69D2660G11

New At Mouser

Eaton Electrical

Circuit Breaker Accessories NQB L103

3In Stock

€7,757.11

Min.: 1
Mult.: 1

Circuit Breaker Accessories MPR SURGE SUPPRESSOR

MPR-SS
L-Com
1: €116.06
5In Stock
5On Order
New At Mouser

Mfr. Part No.
MPR-SS

Mouser Part No
17-MPR-SS

New At Mouser

L-Com

Circuit Breaker Accessories MPR SURGE SUPPRESSOR

5In Stock

5On Order

€116.06

€104.70

€103.42

€101.52

View

Min.: 1
Mult.: 1

Circuit Breakers 1077, 1P, PL, 277VAC/65VDC, F2, aux contacts, N/O N/C, 2A

2210-S211-P1F2-H111-2A
E-T-A
1: €67.78
4In Stock

Mfr. Part No.
2210-S211-P1F2-H111-2A

Mouser Part No
457-2210S211P1F2H111

E-T-A

Circuit Breakers 1077, 1P, PL, 277VAC/65VDC, F2, aux contacts, N/O N/C, 2A

Datasheet

4In Stock

More Info Available

€67.78

€56.91

€55.13

€52.79

View

Min.: 1
Mult.: 1

Automotive Fuses 500V-Rated fuse for EV/HEV/ESS 450A

0AKSBK450-BA
Bel Fuse
1: €53.83
18In Stock
4On Order

Mfr. Part No.
0AKSBK450-BA

Mouser Part No
530-0AKSBK450-BA

Bel Fuse

Automotive Fuses 500V-Rated fuse for EV/HEV/ESS 450A

Learn More

Datasheet

18In Stock

4On Order

€53.83

€46.19

€35.56

€34.53

View

Min.: 1
Mult.: 1

Circuit Protection

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