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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: 359’634

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Part #

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

GDT28H-110-B
Bourns
1: CHF 1.85
201In Stock

Mfr. Part No.
GDT28H-110-B

Mouser Part No
652-GDT28H-110-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

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Datasheet

201In Stock

CHF 1.85

CHF 1.52

CHF 1.22

CHF 1.09

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS

P4SMA30CAHE3_A/I
Vishay Semiconductors
1: CHF 0.572
2’246In Stock
15’000Expected 9/2/2026

Mfr. Part No.
P4SMA30CAHE3_A/I

Mouser Part No
78-P4SMA30CAHE3_A/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS

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Datasheet

2’246In Stock

15’000Expected 9/2/2026

Cut Tape

CHF 0.572

CHF 0.354

CHF 0.227

CHF 0.174

Reel

CHF 0.117

View

Min.: 1
Mult.: 1

: 7’500

ESD Protection Diodes / TVS Diodes 600W,300V 5%,UNIDIR,SMB TVS

P6SMB300AHM3_D/H
Vishay Semiconductors
1: CHF 1.02
4’500In Stock

Mfr. Part No.
P6SMB300AHM3_D/H

Mouser Part No
78-P6SMB300AHM3DH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,300V 5%,UNIDIR,SMB TVS

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Datasheet

4’500In Stock

Cut Tape

CHF 1.02

CHF 0.64

CHF 0.42

CHF 0.328

Reel

CHF 0.296

View

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 600W,26V 5%,UNIDIR,SMB TVS

SMBJ26AHE3_B/I
Vishay Semiconductors
1: CHF 0.652
1’899In Stock

Mfr. Part No.
SMBJ26AHE3_B/I

Mouser Part No
78-SMBJ26AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,26V 5%,UNIDIR,SMB TVS

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Datasheet

1’899In Stock

Cut Tape

CHF 0.652

CHF 0.403

CHF 0.26

CHF 0.198

Reel

CHF 0.153

View

Min.: 1
Mult.: 1

: 3’200

ESD Protection Diodes / TVS Diodes 600W,5.0V 5%,UNIDIR,SMB TVS

SMBJ5.0AHM3_B/I
Vishay Semiconductors
1: CHF 0.749
6’386In Stock

Mfr. Part No.
SMBJ5.0AHM3_B/I

Mouser Part No
78-SMBJ5.0AHM3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,5.0V 5%,UNIDIR,SMB TVS

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Datasheet

6’386In Stock

Cut Tape

CHF 0.749

CHF 0.465

CHF 0.301

CHF 0.231

Reel

CHF 0.18

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MouseReel Available

Min.: 1
Mult.: 1

: 3’200

NTC (Negative Temperature Coefficient) Thermistors

NCP02XH103F05RH
Murata Electronics
1: CHF 0.096
12’819In Stock
20’000Expected 3/8/2027

Mfr. Part No.
NCP02XH103F05RH

Mouser Part No
81-NCP02XH103F05RH

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

12’819In Stock

20’000Expected 3/8/2027

Cut Tape

CHF 0.096

CHF 0.078

CHF 0.068

CHF 0.057

View

Reel

CHF 0.037

Min.: 1
Mult.: 1

: 20’000

NTC (Negative Temperature Coefficient) Thermistors

NCU15WF104FBSRC
Murata Electronics
1: CHF 0.105
9’268In Stock

Mfr. Part No.
NCU15WF104FBSRC

Mouser Part No
81-NCU15WF104FBSRC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

9’268In Stock

CHF 0.105

CHF 0.09

CHF 0.08

CHF 0.066

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15WM474E6SRC
Murata Electronics
1: CHF 0.089
6’765In Stock

Mfr. Part No.
NCU15WM474E6SRC

Mouser Part No
81-NCU15WM474E6SRC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

6’765In Stock

CHF 0.089

CHF 0.069

CHF 0.061

CHF 0.052

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XV103E60RC
Murata Electronics
1: CHF 0.096
5’723In Stock

Mfr. Part No.
NCU15XV103E60RC

Mouser Part No
81-NCU15XV103E60RC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

5’723In Stock

CHF 0.096

CHF 0.089

CHF 0.079

CHF 0.065

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW222E6SRC
Murata Electronics
1: CHF 0.089
9’965In Stock

Mfr. Part No.
NCU15XW222E6SRC

Mouser Part No
81-NCU15XW222E6SRC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

9’965In Stock

CHF 0.089

CHF 0.069

CHF 0.061

CHF 0.052

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW472E60RC
Murata Electronics
1: CHF 0.105
9’300In Stock

Mfr. Part No.
NCU15XW472E60RC

Mouser Part No
81-NCU15XW472E60RC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

9’300In Stock

CHF 0.105

CHF 0.09

CHF 0.08

CHF 0.066

View

Min.: 1
Mult.: 1

Fuse Holder Accessories M10 Insulated Stud

908-082
Littelfuse
1: CHF 4.97
83In Stock

Mfr. Part No.
908-082

Mouser Part No
576-908-082

Littelfuse

Fuse Holder Accessories M10 Insulated Stud

Datasheet

83In Stock

CHF 4.97

CHF 4.65

CHF 4.48

CHF 3.49

View

Min.: 1
Mult.: 1

Surface Mount Fuses .075A 2.0mohm Brown Thin Film Fuses 0201

F0201G0R07FNTR\500
KYOCERA AVX
1: CHF 0.572
4’320In Stock

Mfr. Part No.
F0201G0R07FNTR\500

Mouser Part No
581-F0201G0R07FNTR\5

KYOCERA AVX

Surface Mount Fuses .075A 2.0mohm Brown Thin Film Fuses 0201

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Datasheet

4’320In Stock

Cut Tape

CHF 0.572

CHF 0.461

CHF 0.388

CHF 0.342

Reel

CHF 0.282

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

NTC (Negative Temperature Coefficient) Thermistors NTCFLEX0510k2%3435K25mm

NTCAFLEX05103GL
Vishay
1: CHF 2.33
268In Stock

Mfr. Part No.
NTCAFLEX05103GL

Mouser Part No
594-NTCAFLEX05103GL

Vishay

NTC (Negative Temperature Coefficient) Thermistors NTCFLEX0510k2%3435K25mm

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Datasheet

268In Stock

CHF 2.33

CHF 1.75

CHF 1.55

CHF 1.48

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W,27V 5%,UNIDIR,SMB TVS

SM6T27AHE3_B/H
Vishay Semiconductors
1: CHF 0.652
7’408In Stock

Mfr. Part No.
SM6T27AHE3_B/H

Mouser Part No
78-SM6T27AHE3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,27V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

7’408In Stock

Cut Tape

CHF 0.652

CHF 0.403

CHF 0.26

CHF 0.198

Reel

CHF 0.178

View

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 1KW,12V 5%,UNIDIR,SMB TVS

SMB10J12AHE3_B/H
Vishay Semiconductors
1: CHF 0.992
2’393In Stock

Mfr. Part No.
SMB10J12AHE3_B/H

Mouser Part No
78-SMB10J12AHE3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1KW,12V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

2’393In Stock

Cut Tape

CHF 0.992

CHF 0.62

CHF 0.405

CHF 0.314

Reel

CHF 0.285

View

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 600W,28V 5%,UNIDIR,SMB TVS

SMBJ28AHM3_B/H
Vishay Semiconductors
1: CHF 0.676
7’470In Stock

Mfr. Part No.
SMBJ28AHM3_B/H

Mouser Part No
78-SMBJ28AHM3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,28V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

7’470In Stock

Cut Tape

CHF 0.676

CHF 0.417

CHF 0.27

CHF 0.207

Reel

CHF 0.185

View

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS

SMBJ36CAHE3_B/I
Vishay Semiconductors
1: CHF 0.813
3’886In Stock

Mfr. Part No.
SMBJ36CAHE3_B/I

Mouser Part No
78-SMBJ36CAHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS

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Datasheet

3’886In Stock

Cut Tape

CHF 0.813

CHF 0.506

CHF 0.331

CHF 0.256

Reel

CHF 0.201

View

Min.: 1
Mult.: 1

: 3’200

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW153E60RC
Murata Electronics
1: CHF 0.105
9’495In Stock

Mfr. Part No.
NCU15XW153E60RC

Mouser Part No
81-NCU15XW153E60RC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9’495In Stock

CHF 0.105

CHF 0.09

CHF 0.08

CHF 0.066

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW222J60RC
Murata Electronics
1: CHF 0.105
9’990In Stock

Mfr. Part No.
NCU15XW222J60RC

Mouser Part No
81-NCU15XW222J60RC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9’990In Stock

CHF 0.105

CHF 0.09

CHF 0.08

CHF 0.066

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW223J6SRC
Murata Electronics
1: CHF 0.089
9’520In Stock

Mfr. Part No.
NCU15XW223J6SRC

Mouser Part No
81-NCU15XW223J6SRC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9’520In Stock

CHF 0.089

CHF 0.069

CHF 0.061

CHF 0.052

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories MPR SURGE SUPPRESSOR

MPR-SS
L-Com
1: CHF 135.99
5In Stock
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

CHF 135.99

CHF 121.99

CHF 120.88

CHF 118.66

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS

SM6T33AHE3_B/I
Vishay Semiconductors
1: CHF 0.652
2’823In Stock

Mfr. Part No.
SM6T33AHE3_B/I

Mouser Part No
78-SM6T33AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

2’823In Stock

Cut Tape

CHF 0.652

CHF 0.403

CHF 0.26

CHF 0.198

Reel

CHF 0.153

View

Min.: 1
Mult.: 1

: 3’200

ESD Protection Diodes / TVS Diodes 600W,16V 5%,UNIDIR,SMB TVS

SMBJ16AHE3_B/H
Vishay Semiconductors
1: CHF 0.644
7’339In Stock

Mfr. Part No.
SMBJ16AHE3_B/H

Mouser Part No
78-SMBJ16AHE3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,16V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

7’339In Stock

Cut Tape

CHF 0.644

CHF 0.402

CHF 0.259

CHF 0.197

Reel

CHF 0.178

View

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 600W,24V 5%,UNIDIR,SMB TVS

SMBJ24AHE3_B/H
Vishay Semiconductors
1: CHF 0.62
8’170In Stock

Mfr. Part No.
SMBJ24AHE3_B/H

Mouser Part No
78-SMBJ24AHE3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,24V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

8’170In Stock

Cut Tape

CHF 0.62

CHF 0.38

CHF 0.245

CHF 0.128

Reel

CHF 0.122

Min.: 1
Mult.: 1

: 750

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