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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: 359’631

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Part #

Cartridge Fuses

GSA 7-R
Bel Fuse
1: CHF 0.926
3’016In Stock

Mfr. Part No.
GSA 7-R

Mouser Part No
530-GSA7-R

Bel Fuse

Cartridge Fuses

Datasheet

3’016In Stock

CHF 0.926

CHF 0.854

CHF 0.708

CHF 0.652

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Min.: 1
Mult.: 1

Fuses with Leads - Through Hole

MRT 6.3 AMMO
Bel Fuse
1: CHF 0.402
7’678In Stock

Mfr. Part No.
MRT 6.3 AMMO

Mouser Part No
530-MRT6.3AMMO

Bel Fuse

Fuses with Leads - Through Hole

Datasheet

7’678In Stock

CHF 0.402

CHF 0.372

CHF 0.309

CHF 0.285

Reel

CHF 0.194

View

Min.: 1
Mult.: 1

: 1’000

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

30KPA42CA
Littelfuse
1: CHF 18.06
818In Stock

Mfr. Part No.
30KPA42CA

Mouser Part No
576-30KPA42CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

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Datasheet

818In Stock

Cut Tape

CHF 18.06

CHF 14.38

CHF 13.25

CHF 12.91

Reel

CHF 12.91

Min.: 1
Mult.: 1

: 800

SCRs 1000V 25A

DK025LTP
Littelfuse
1: CHF 4.78
967In Stock

Mfr. Part No.
DK025LTP

Mouser Part No
576-DK025LTP

Littelfuse

SCRs 1000V 25A

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Datasheet

967In Stock

CHF 4.78

CHF 3.14

CHF 2.33

CHF 1.96

CHF 1.87

Min.: 1
Mult.: 1

Triacs 600V 4A 10-10-10mA

Q6004L3TP
Littelfuse
1: CHF 2.60
1’175In Stock

Mfr. Part No.
Q6004L3TP

Mouser Part No
576-Q6004L3TP

Littelfuse

Triacs 600V 4A 10-10-10mA

Datasheet

1’175In Stock

CHF 2.60

CHF 1.31

CHF 1.19

Min.: 1
Mult.: 1

Triacs Triac 600V 8A 50-50-50 mA

Q6008L5TP
Littelfuse
1: CHF 2.90
1’075In Stock

Mfr. Part No.
Q6008L5TP

Mouser Part No
576-Q6008L5TP

Littelfuse

Triacs Triac 600V 8A 50-50-50 mA

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Datasheet

1’075In Stock

CHF 2.90

CHF 1.50

CHF 1.36

CHF 1.34

Min.: 1
Mult.: 1

Triacs 600V 10A 50-50-50mA

Q6010L5TP
Littelfuse
1: CHF 3.52
2’792In Stock

Mfr. Part No.
Q6010L5TP

Mouser Part No
576-Q6010L5TP

Littelfuse

Triacs 600V 10A 50-50-50mA

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Datasheet

2’792In Stock

CHF 3.52

CHF 1.93

CHF 1.61

CHF 1.54

Min.: 1
Mult.: 1

Triacs 600V 12A 33/43V LED App

Q6012LTH1LEDTP
Littelfuse
1: CHF 2.93
1’433In Stock

Mfr. Part No.
Q6012LTH1LEDTP

Mouser Part No
576-Q6012LTH1LEDTP

Littelfuse

Triacs 600V 12A 33/43V LED App

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Datasheet

1’433In Stock

CHF 2.93

CHF 1.86

CHF 1.37

CHF 1.17

Min.: 1
Mult.: 1

SCRs Sen SCR600V 8A 200UA

S6008LS2TP
Littelfuse
1: CHF 3.36
1’707In Stock

Mfr. Part No.
S6008LS2TP

Mouser Part No
576-S6008LS2TP

Littelfuse

SCRs Sen SCR600V 8A 200UA

Datasheet

1’707In Stock

CHF 3.36

CHF 2.20

CHF 1.64

CHF 1.38

CHF 1.28

Min.: 1
Mult.: 1

SCRs SCR TO220 800V 40A STD THY

S8040RTP
Littelfuse
1: CHF 4.46
887In Stock

Mfr. Part No.
S8040RTP

Mouser Part No
576-S8040RTP

Littelfuse

SCRs SCR TO220 800V 40A STD THY

Datasheet

887In Stock

CHF 4.46

CHF 3.12

CHF 2.66

CHF 2.63

Min.: 1
Mult.: 1

SCRs 1000V 25A

SK025LTP
Littelfuse
1: CHF 3.58
4’975In Stock

Mfr. Part No.
SK025LTP

Mouser Part No
576-SK025LTP

Littelfuse

SCRs 1000V 25A

Datasheet

4’975In Stock

CHF 3.58

CHF 1.86

CHF 1.83

Min.: 1
Mult.: 1

Surface Mount Fuses 1206 0.2AMPS SMD

F1206B0R20FSTR
KYOCERA AVX
1: CHF 0.612
4’026In Stock

Mfr. Part No.
F1206B0R20FSTR

Mouser Part No
581-F1206B0R20FSTR

KYOCERA AVX

Surface Mount Fuses 1206 0.2AMPS SMD

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Datasheet

4’026In Stock

Cut Tape

CHF 0.612

CHF 0.563

CHF 0.468

CHF 0.466

Reel

CHF 0.466

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

NTC (Negative Temperature Coefficient) Thermistors 470ohms 5% Radial

NTCLE100E3471JB0
Vishay / BC Components
1: CHF 0.434
13’598In Stock

Mfr. Part No.
NTCLE100E3471JB0

Mouser Part No
594-2381-640-63471

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 470ohms 5% Radial

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Datasheet

13’598In Stock

CHF 0.434

CHF 0.406

CHF 0.38

CHF 0.361

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Min.: 1
Mult.: 1

Surface Mount Fuses 63V 0.5A Fast Act Very Quick

MFU1206FF00500P500
Vishay / Beyschlag
1: CHF 0.572
4’956In Stock

Mfr. Part No.
MFU1206FF00500P500

Mouser Part No
594-MFU1206FF00500P5

Vishay / Beyschlag

Surface Mount Fuses 63V 0.5A Fast Act Very Quick

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Datasheet

4’956In Stock

Cut Tape

CHF 0.572

CHF 0.544

CHF 0.493

CHF 0.466

View

Reel

CHF 0.271

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohm 1% 3435K 1% Silver Term

NTCC200E4472FT
Vishay / BC Components
1: CHF 0.885
3’961In Stock

Mfr. Part No.
NTCC200E4472FT

Mouser Part No
594-NTCC200E4472FT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohm 1% 3435K 1% Silver Term

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Datasheet

3’961In Stock

Cut Tape

CHF 0.885

CHF 0.813

CHF 0.719

CHF 0.691

View

Reel

CHF 0.498

MouseReel Available

Min.: 1
Mult.: 1

: 2’000

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 2% SMD

NTCS0603E3103GMT
Vishay / BC Components
1: CHF 0.483
6’230In Stock

Mfr. Part No.
NTCS0603E3103GMT

Mouser Part No
594-NTCS0603E3103GMT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 2% SMD

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Datasheet

6’230In Stock

Cut Tape

CHF 0.483

CHF 0.449

CHF 0.405

CHF 0.393

View

Reel

CHF 0.275

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

NTC (Negative Temperature Coefficient) Thermistors 122Kohms 1%

NTCS0603E3124SMT
Vishay / BC Components
1: CHF 0.588
3’995In Stock

Mfr. Part No.
NTCS0603E3124SMT

Mouser Part No
594-NTCS0603E3124SMT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 122Kohms 1%

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Datasheet

3’995In Stock

Cut Tape

CHF 0.588

CHF 0.55

CHF 0.515

CHF 0.486

View

Reel

CHF 0.354

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

ESD Protection Diodes / TVS Diodes 600W 9.0V

SMBJ9.0A-13-F
Diodes Incorporated
1: CHF 0.371
28’295In Stock

Mfr. Part No.
SMBJ9.0A-13-F

Mouser Part No
621-SMBJ9.0A-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 600W 9.0V

Datasheet

28’295In Stock

Cut Tape

CHF 0.371

CHF 0.203

CHF 0.149

CHF 0.124

CHF 0.105

Reel

CHF 0.078

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3’000

: 3’000

ESD Protection Diodes / TVS Diodes 1500W 36V Bidirect

1.5KE36CA-E3/54
Vishay Semiconductors
1: CHF 1.12
6’237In Stock

Mfr. Part No.
1.5KE36CA-E3/54

Mouser Part No
625-1.5KE36CA-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 36V Bidirect

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Datasheet

6’237In Stock

Cut Tape

CHF 1.12

CHF 0.596

CHF 0.515

CHF 0.402

Reel

CHF 0.363

View

Min.: 1
Mult.: 1

: 1’400

ESD Protection Diodes / TVS Diodes 1500W 75V Unidirect

1.5KE75A-E3/54
Vishay Semiconductors
1: CHF 0.945
6’000In Stock

Mfr. Part No.
1.5KE75A-E3/54

Mouser Part No
625-1.5KE75A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 75V Unidirect

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Datasheet

6’000In Stock

Cut Tape

CHF 0.945

CHF 0.56

CHF 0.482

CHF 0.381

Reel

CHF 0.338

CHF 0.297

Min.: 1
Mult.: 1

: 1’400

ESD Protection Diodes / TVS Diodes 5000W 150V Unidirect

5KP150A-E3/54
Vishay Semiconductors
1: CHF 2.99
1’212In Stock

Mfr. Part No.
5KP150A-E3/54

Mouser Part No
625-5KP150A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W 150V Unidirect

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Datasheet

1’212In Stock

Cut Tape

CHF 2.99

CHF 1.72

CHF 1.54

CHF 1.22

Reel

CHF 1.21

CHF 1.17

Min.: 1
Mult.: 1

: 800

Industrial Surge Protectors CT 10-18FS+F/PE-24

2807926
Phoenix Contact
1: CHF 820.24
4In Stock

Mfr. Part No.
2807926

Mouser Part No
651-2807926

Phoenix Contact

Industrial Surge Protectors CT 10-18FS+F/PE-24

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Datasheet

4In Stock

CHF 820.24

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 230VOLT

2027-23-BT1LF
Bourns
1: CHF 1.24
2’997In Stock

Mfr. Part No.
2027-23-BT1LF

Mouser Part No
652-2027-23-BT1LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 230VOLT

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Datasheet

2’997In Stock

Cut Tape

CHF 1.24

CHF 1.14

CHF 0.945

CHF 0.877

View

Reel

CHF 0.663

Min.: 1
Mult.: 1

: 1’000

LED Protection Devices 18volts

LSP1800AJR-S
Bourns
1: CHF 0.781
9’868In Stock

Mfr. Part No.
LSP1800AJR-S

Mouser Part No
652-LSP1800AJR-S

Bourns

LED Protection Devices 18volts

Learn More

Datasheet

9’868In Stock

Cut Tape

CHF 0.781

CHF 0.478

CHF 0.312

CHF 0.24

Reel

CHF 0.164

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/15V

MF-LSMF125X-2
Bourns
1: CHF 0.459
8’441In Stock

Mfr. Part No.
MF-LSMF125X-2

Mouser Part No
652-MF-LSMF125X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/15V

Learn More

Datasheet

8’441In Stock

Cut Tape

CHF 0.459

CHF 0.352

CHF 0.33

CHF 0.249

View

Reel

CHF 0.191

MouseReel Available

Min.: 1
Mult.: 1

: 6’000

Circuit Protection

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