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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, 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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Part #

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

ESR3XLUB0450XI
Littelfuse
1: 528,31 €
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0450XI

Mouser Part No
576-ESR3XLUB0450XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

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Datasheet

3In Stock

528,31 €

433,80 €

394,87 €

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

SC3000-01UTG
Littelfuse
1: 1,37 €
3 100In Stock
New Product

Mfr. Part No.
SC3000-01UTG

Mouser Part No
576-SC3000-01UTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

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Datasheet

3 100In Stock

Cut Tape

1,37 €

0,869 €

0,573 €

0,449 €

Reel

0,349 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

SCRs 8A 800V Std TO-251 V-PAK

SJ8008VTP
Littelfuse
1: 2,67 €
750In Stock
New Product

Mfr. Part No.
SJ8008VTP

Mouser Part No
576-SJ8008VTP

New Product

Littelfuse

SCRs 8A 800V Std TO-251 V-PAK

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Datasheet

750In Stock

2,67 €

1,74 €

1,20 €

0,998 €

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP1 Type R(100) =3.3kOhms +/-5% Temp. Range -30 to 200

PT3FC-51F-MP1
Shibaura Electronics
1: 10,42 €
99In Stock
New Product

Mfr. Part No.
PT3FC-51F-MP1

Mouser Part No
603-PT3FC-51F-MP1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP1 Type R(100) =3.3kOhms +/-5% Temp. Range -30 to 200

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Datasheet

99In Stock

10,42 €

9,49 €

8,07 €

7,71 €

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe OCK1 Type R200=1.0kOhms 5% Temp. Range -20 to 300

PTM-312-OCK1
Shibaura Electronics
1: 5,21 €
100In Stock
New Product

Mfr. Part No.
PTM-312-OCK1

Mouser Part No
603-PTM-312-OCK1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe OCK1 Type R200=1.0kOhms 5% Temp. Range -20 to 300

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Datasheet

100In Stock

5,21 €

4,75 €

4,03 €

3,86 €

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KN2 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

PTM-51F-KN2
Shibaura Electronics
1: 5,21 €
99In Stock
New Product

Mfr. Part No.
PTM-51F-KN2

Mouser Part No
603-PTM-51F-KN2

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KN2 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

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Datasheet

99In Stock

5,21 €

4,75 €

4,03 €

3,86 €

View

Min.: 1
Mult.: 1

Industrial Surge Protectors SFP2-1S-1-5A-120AC-UT

1292315
Phoenix Contact
1: 185,13 €
5In Stock
New Product

Mfr. Part No.
1292315

Mouser Part No
651-1292315

New Product

Phoenix Contact

Industrial Surge Protectors SFP2-1S-1-5A-120AC-UT

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Datasheet

5In Stock

185,13 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 3.3V BI

CDDFN2-T3V3SC
Bourns
1: 0,361 €
8 358In Stock
New Product

Mfr. Part No.
CDDFN2-T3V3SC

Mouser Part No
652-CDDFN2-T3V3SC

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 3.3V BI

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Datasheet

8 358In Stock

Cut Tape

0,361 €

0,25 €

0,123 €

0,102 €

Reel

0,045 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 12 000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

PF-1NH100E600B2
Bourns
1: 313,70 €
4In Stock
New Product

Mfr. Part No.
PF-1NH100E600B2

Mouser Part No
652-PF-1NH100E600B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

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Datasheet

4In Stock

313,70 €

249,44 €

229,87 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS 6KA RATED 700V BI AXIAL

AK6-700C-FL
Littelfuse
1: 114,19 €
4In Stock
New Product

Mfr. Part No.
AK6-700C-FL

Mouser Part No
576-AK6-700C-FL

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 6KA RATED 700V BI AXIAL

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Datasheet

4In Stock

114,19 €

104,25 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A

ESR3XLUB0250XI
Littelfuse
1: 449,28 €
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0250XI

Mouser Part No
576-ESR3XLUB0250XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A

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Datasheet

3In Stock

449,28 €

368,91 €

335,81 €

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L

SC712-02HTG
Littelfuse
1: 1,12 €
2 042In Stock
100Expected 17/11/2026
New Product

Mfr. Part No.
SC712-02HTG

Mouser Part No
576-SC712-02HTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L

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Datasheet

2 042In Stock

100Expected 17/11/2026

Cut Tape

1,12 €

0,703 €

0,461 €

0,359 €

Reel

0,278 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe HT1 Type R100=3.3kOhms 2.5% Temp. Range -20 to 180

PT3H-51F-HT1
Shibaura Electronics
1: 5,21 €
99In Stock
New Product

Mfr. Part No.
PT3H-51F-HT1

Mouser Part No
603-PT3H-51F-HT1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe HT1 Type R100=3.3kOhms 2.5% Temp. Range -20 to 180

Learn More

Datasheet

99In Stock

5,21 €

4,75 €

4,03 €

3,86 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe EP1 Type R100=3.3kOhms 5% Temp. Range -30 to 120

PT3M-51F-EP1
Shibaura Electronics
1: 5,21 €
49In Stock
100Expected 16/12/2026
New Product

Mfr. Part No.
PT3M-51F-EP1

Mouser Part No
603-PT3M-51F-EP1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe EP1 Type R100=3.3kOhms 5% Temp. Range -30 to 120

Learn More

Datasheet

49In Stock

100Expected 16/12/2026

5,21 €

4,75 €

4,03 €

3,86 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes SOD323 12V 400W BIDIR

CDSOD323-T12SC-Q
Bourns
1: 1,03 €
1 991In Stock
New Product

Mfr. Part No.
CDSOD323-T12SC-Q

Mouser Part No
652-CDSOD323-T12SC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes SOD323 12V 400W BIDIR

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Datasheet

1 991In Stock

Cut Tape

1,03 €

0,645 €

0,424 €

0,33 €

Reel

0,255 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV

AQ3118-02JTG
Littelfuse
1: 1,07 €
2 658In Stock
New Product

Mfr. Part No.
AQ3118-02JTG

Mouser Part No
576-AQ3118-02JTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV

Learn More

Datasheet

2 658In Stock

Cut Tape

1,07 €

0,67 €

0,44 €

0,343 €

Reel

0,237 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ85CA CR T&R

SMBJ85CA-E
Littelfuse
1: 0,516 €
2 305In Stock
New Product

Mfr. Part No.
SMBJ85CA-E

Mouser Part No
576-SMBJ85CAE

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ85CA CR T&R

Datasheet

2 305In Stock

Cut Tape

0,516 €

0,268 €

0,20 €

0,151 €

Reel

0,081 €

0,077 €

Min.: 1
Mult.: 1

: 3 000

Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200

511KH10-AT
YAGEO
1: 0,456 €
2 620In Stock
400On Order
New Product

Mfr. Part No.
511KH10-AT

Mouser Part No
603-511KH10-AT

New Product

YAGEO

Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200

Learn More

Datasheet

2 620In Stock

400On Order

0,456 €

0,281 €

0,243 €

0,218 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe EP1 Type R0=30kOhms 3% Temp. Range -30 to 120

PB2EP-43-EP1
Shibaura Electronics
1: 5,21 €
100In Stock
New Product

Mfr. Part No.
PB2EP-43-EP1

Mouser Part No
603-PB2EP-43-EP1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe EP1 Type R0=30kOhms 3% Temp. Range -30 to 120

Learn More

Datasheet

100In Stock

5,21 €

4,75 €

4,03 €

3,86 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe EPW1 Type R50=3.485kOhms 2% Temp. Range -20 to 120

PB3M-42D-EPW1
Shibaura Electronics
1: 4,34 €
100In Stock
New Product

Mfr. Part No.
PB3M-42D-EPW1

Mouser Part No
603-PB3M-42D-EPW1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe EPW1 Type R50=3.485kOhms 2% Temp. Range -20 to 120

Learn More

Datasheet

100In Stock

4,34 €

3,96 €

3,35 €

3,22 €

View

Min.: 1
Mult.: 1

Industrial Surge Protectors SFP2-1S-1-10A-120AC-UT

1292457
Phoenix Contact
1: 193,99 €
2In Stock
8On Order
New Product

Mfr. Part No.
1292457

Mouser Part No
651-1292457

New Product

Phoenix Contact

Industrial Surge Protectors SFP2-1S-1-10A-120AC-UT

Learn More

Datasheet

2In Stock

8On Order

193,99 €

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4

20012616-00
TE Connectivity
1: 328,67 €
1In Stock
New Product

Mfr. Part No.
20012616-00

Mouser Part No
571-20012616-00

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4

Learn More

Datasheet

1In Stock

328,67 €

263,75 €

261,36 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS 3KW 30V 5%BI DO-214AB Foldback TR13

TPSMD30CA-FL
Littelfuse
1: 1,31 €
2 100In Stock
3 000Expected 16/09/2026
New Product

Mfr. Part No.
TPSMD30CA-FL

Mouser Part No
576-TPSMD30CA-FL

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 3KW 30V 5%BI DO-214AB Foldback TR13

Learn More

Datasheet

2 100In Stock

3 000Expected 16/09/2026

Cut Tape

1,31 €

0,937 €

0,674 €

0,542 €

Reel

0,457 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KT1 Type R25=10kOhms 5% Temp. Range -30 to 80

KTEC-41-KT1
Shibaura Electronics
1: 4,34 €
100In Stock
New Product

Mfr. Part No.
KTEC-41-KT1

Mouser Part No
603-KTEC-41-KT1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KT1 Type R25=10kOhms 5% Temp. Range -30 to 80

Learn More

Datasheet

100In Stock

4,34 €

3,96 €

3,35 €

3,22 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KTM1 Type R25=10kOhms 2% Temp. Range -30 to 100

KTM-41-KTM1
Shibaura Electronics
1: 5,21 €
88In Stock
New Product

Mfr. Part No.
KTM-41-KTM1

Mouser Part No
603-KTM-41-KTM1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KTM1 Type R25=10kOhms 2% Temp. Range -30 to 100

Learn More

Datasheet

88In Stock

5,21 €

4,75 €

4,03 €

3,86 €

View

Min.: 1
Mult.: 1

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