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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 #

Surface Mount Fuses 35A 250V FAST ACTING

SF-3812F3500T-2
Bourns
1: CHF 3.36
9’887In Stock

Mfr. Part No.
SF-3812F3500T-2

Mouser Part No
652-SF-3812F3500T-2

Bourns

Surface Mount Fuses 35A 250V FAST ACTING

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Datasheet

9’887In Stock

Cut Tape

CHF 3.36

CHF 2.83

CHF 2.22

CHF 1.97

Reel

CHF 1.39

View

MouseReel Available

Min.: 1
Mult.: 1

: 2’500

Triacs THYR AND TRIACS

BTA208S-800E,118
WeEn Semiconductors
1: CHF 1.63
58’075In Stock

Mfr. Part No.
BTA208S-800E,118

Mouser Part No
771-BTA208S-800E118

WeEn Semiconductors

Triacs THYR AND TRIACS

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Datasheet

58’075In Stock

Cut Tape

CHF 1.63

CHF 0.70

CHF 0.529

CHF 0.458

Reel

CHF 0.343

View

MouseReel Available

Min.: 1
Mult.: 1

: 2’500

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

VTVS31ASMF-HM3-08
Vishay Semiconductors
1: CHF 0.572
89’174In Stock

Mfr. Part No.
VTVS31ASMF-HM3-08

Mouser Part No
78-VTVS31ASMF-HM3-08

Vishay Semiconductors

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

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Datasheet

89’174In Stock

Cut Tape

CHF 0.572

CHF 0.296

CHF 0.238

CHF 0.204

Reel

CHF 0.162

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

NTC (Negative Temperature Coefficient) Thermistors 10KOhm, 25 deg C Tol 2.413mm Diameter

197-103LAG-A01
Honeywell
1: CHF 38.62
310In Stock

Mfr. Part No.
197-103LAG-A01

Mouser Part No
785-197-103LAG-A01

Honeywell

NTC (Negative Temperature Coefficient) Thermistors 10KOhm, 25 deg C Tol 2.413mm Diameter

Datasheet

310In Stock

CHF 38.62

CHF 36.19

CHF 35.29

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 26.2VZMIN 2LINE SC70

SZNUP2125WTT1G
onsemi
1: CHF 0.636
97’083In Stock

Mfr. Part No.
SZNUP2125WTT1G

Mouser Part No
863-SZNUP2125WTT1G

onsemi

ESD Protection Diodes / TVS Diodes 26.2VZMIN 2LINE SC70

Datasheet

97’083In Stock

Cut Tape

CHF 0.636

CHF 0.346

CHF 0.253

CHF 0.193

Reel

CHF 0.148

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3’000

: 3’000

Varistors 75VAC 10% 40mm High E

B72240B0750K001
TDK
1: CHF 19.34
1’881In Stock

Mfr. Part No.
B72240B0750K001

Mouser Part No
871-B72240B0750K001

TDK

Varistors 75VAC 10% 40mm High E

Datasheet

1’881In Stock

CHF 19.34

CHF 15.55

CHF 14.43

CHF 13.55

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes AK6 - CA 270V

AK6-270C-Y-12
Littelfuse
1: CHF 49.44
12In Stock

Mfr. Part No.
AK6-270C-Y-12

Mouser Part No
576-AK6-270C-Y-12

Littelfuse

ESD Protection Diodes / TVS Diodes AK6 - CA 270V

Datasheet

12In Stock

CHF 49.44

CHF 45.86

CHF 44.26

View

Min.: 1
Mult.: 1

Power Outlet Strips Rack PDU, Metered, 1U, 20A, 120V, (8) 5-20

AP7801B
APC by Schneider Electric
Restricted Availability

Mfr. Part No.
AP7801B

Mouser Part No
679-AP7801B

APC by Schneider Electric

Power Outlet Strips Rack PDU, Metered, 1U, 20A, 120V, (8) 5-20

Datasheet

Restricted Availability

ESD Protection Diodes / TVS Diodes 1.5KW,18V 5%,UNIDIR,SMC TVS

1.5SMC18AHE3_A/I
Vishay Semiconductors
1: CHF 0.964
1’770In Stock

Mfr. Part No.
1.5SMC18AHE3_A/I

Mouser Part No
78-1.5SMC18AHE3_A/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1.5KW,18V 5%,UNIDIR,SMC TVS

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Datasheet

1’770In Stock

Cut Tape

CHF 0.964

CHF 0.605

CHF 0.396

CHF 0.307

Reel

CHF 0.23

View

Min.: 1
Mult.: 1

: 3’500

ESD Protection Diodes / TVS Diodes 1.5KW,91V 5%,UNIDIR,SMC TVS

1.5SMC91AHE3_A/I
Vishay Semiconductors
1: CHF 0.964
3’734In Stock

Mfr. Part No.
1.5SMC91AHE3_A/I

Mouser Part No
78-1.5SMC91AHE3_A/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1.5KW,91V 5%,UNIDIR,SMC TVS

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Datasheet

3’734In Stock

Cut Tape

CHF 0.964

CHF 0.605

CHF 0.396

CHF 0.307

Reel

CHF 0.23

View

Min.: 1
Mult.: 1

: 3’500

ESD Protection Diodes / TVS Diodes 600W,8.2V 5%,BIDIR,SMB TVS

P6SMB8.2CAHE3_B/I
Vishay Semiconductors
1: CHF 0.789
3’030In Stock

Mfr. Part No.
P6SMB8.2CAHE3_B/I

Mouser Part No
78-P6SMB8.2CAHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,8.2V 5%,BIDIR,SMB TVS

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Datasheet

3’030In Stock

Cut Tape

CHF 0.789

CHF 0.491

CHF 0.318

CHF 0.243

Reel

CHF 0.188

View

Min.: 1
Mult.: 1

: 3’200

ESD Protection Diodes / TVS Diodes 8W,13V 5%,SMD PAR

SM8S13AHM3/I
Vishay
1: CHF 3.81
328In Stock
750Expected 8/25/2026

Mfr. Part No.
SM8S13AHM3/I

Mouser Part No
78-SM8S13AHM3/I

Vishay

ESD Protection Diodes / TVS Diodes 8W,13V 5%,SMD PAR

Datasheet

328In Stock

750Expected 8/25/2026

Cut Tape

CHF 3.81

CHF 2.51

CHF 2.00

CHF 1.68

Reel

CHF 1.58

CHF 1.54

MouseReel Available

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 8W,14V 5%,SMD PAR

SM8S14AHM3/I
Vishay
1: CHF 3.81
720In Stock

Mfr. Part No.
SM8S14AHM3/I

Mouser Part No
78-SM8S14AHM3/I

Vishay

ESD Protection Diodes / TVS Diodes 8W,14V 5%,SMD PAR

Datasheet

720In Stock

Cut Tape

CHF 3.81

CHF 2.51

CHF 2.00

CHF 1.64

Reel

CHF 1.41

Min.: 1
Mult.: 1

: 750

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

SMBJ36CAHM3_B/I
Vishay Semiconductors
1: CHF 0.854
1’160In Stock

Mfr. Part No.
SMBJ36CAHM3_B/I

Mouser Part No
78-SMBJ36CAHM3BI

Vishay Semiconductors

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

Learn More

Datasheet

1’160In Stock

Cut Tape

CHF 0.854

CHF 0.534

CHF 0.349

CHF 0.27

Reel

CHF 0.212

View

Min.: 1
Mult.: 1

: 3’200

Fuse Holder Accessories Cover, 1 Position BMZS

901-731
Littelfuse
1: CHF 8.93
56In Stock

Mfr. Part No.
901-731

Mouser Part No
576-901-731

Littelfuse

Fuse Holder Accessories Cover, 1 Position BMZS

Datasheet

56In Stock

CHF 8.93

CHF 8.89

CHF 5.24

CHF 4.99

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors RB103J9W-2 THERMISTOR

NSRB103J3V2HET001
Littelfuse
1: CHF 0.676
3’955In Stock

Mfr. Part No.
NSRB103J3V2HET001

Mouser Part No
576-SRB103J3V2HET001

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors RB103J9W-2 THERMISTOR

Datasheet

3’955In Stock

CHF 0.676

CHF 0.519

CHF 0.446

CHF 0.367

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V

GDT28H-270-B
Bourns
1: CHF 1.85
305In Stock

Mfr. Part No.
GDT28H-270-B

Mouser Part No
652-GDT28H-270-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V

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Datasheet

305In Stock

CHF 1.85

CHF 1.52

CHF 1.22

CHF 1.09

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W,6.8V 5%,BIDIR,SMB TVS

P6SMB6.8CAHE3_B/I
Vishay Semiconductors
1: CHF 0.797
2’614In Stock

Mfr. Part No.
P6SMB6.8CAHE3_B/I

Mouser Part No
78-P6SMB6.8CAHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,6.8V 5%,BIDIR,SMB TVS

Learn More

Datasheet

2’614In Stock

Cut Tape

CHF 0.797

CHF 0.491

CHF 0.319

CHF 0.244

Reel

CHF 0.189

View

Min.: 1
Mult.: 1

: 3’200

ESD Protection Diodes / TVS Diodes 5W,30V 5%,SMD PAR

SM5S30AHM3/I
Vishay Semiconductors
1: CHF 3.44
740In Stock

Mfr. Part No.
SM5S30AHM3/I

Mouser Part No
78-SM5S30AHM3/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5W,30V 5%,SMD PAR

Datasheet

740In Stock

Cut Tape

CHF 3.44

CHF 2.27

CHF 1.70

CHF 1.53

Reel

CHF 1.29

CHF 1.23

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes SM8 - A 24V

SM8S24AHM3/I
Vishay
1: CHF 3.81
481In Stock

Mfr. Part No.
SM8S24AHM3/I

Mouser Part No
78-SM8S24AHM3/I

Vishay

ESD Protection Diodes / TVS Diodes SM8 - A 24V

Datasheet

481In Stock

Cut Tape

CHF 3.81

CHF 2.51

CHF 2.00

CHF 1.63

Reel

CHF 1.53

CHF 1.50

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 600W,110V 5%,BIDIR,SMB TVS

SMBJ110CAHM3_B/H
Vishay Semiconductors
1: CHF 0.854
5’897In Stock

Mfr. Part No.
SMBJ110CAHM3_B/H

Mouser Part No
78-SMBJ110CAHM3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,110V 5%,BIDIR,SMB TVS

Learn More

Datasheet

5’897In Stock

Cut Tape

CHF 0.854

CHF 0.534

CHF 0.349

CHF 0.27

Reel

CHF 0.244

View

Min.: 1
Mult.: 1

: 750

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

SMBJ36AHE3_B/I
Vishay Semiconductors
1: CHF 0.644
2’484In Stock

Mfr. Part No.
SMBJ36AHE3_B/I

Mouser Part No
78-SMBJ36AHE3BI

Vishay Semiconductors

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

Learn More

Datasheet

2’484In Stock

Cut Tape

CHF 0.644

CHF 0.402

CHF 0.259

CHF 0.197

Reel

CHF 0.153

View

Min.: 1
Mult.: 1

: 3’200

ESD Protection Diodes / TVS Diodes 600W,60V 5%,UNIDIR,SMB TVS

SMBJ60AHE3_B/I
Vishay Semiconductors
1: CHF 0.652
2’993In Stock

Mfr. Part No.
SMBJ60AHE3_B/I

Mouser Part No
78-SMBJ60AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,60V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

2’993In 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 ESD 3.3V

VCUT03G1-SD0-G4-08
Vishay Semiconductors
1: CHF 0.273
27’160In Stock

Mfr. Part No.
VCUT03G1-SD0-G4-08

Mouser Part No
78-VCUT03G1SD0G408

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD 3.3V

Datasheet

27’160In Stock

Cut Tape

CHF 0.273

CHF 0.191

CHF 0.094

CHF 0.078

View

Reel

CHF 0.035

Min.: 1
Mult.: 1

: 15’000

NTC (Negative Temperature Coefficient) Thermistors

NCP02XH103D05RH
Murata Electronics
1: CHF 0.169
9’383In Stock

Mfr. Part No.
NCP02XH103D05RH

Mouser Part No
81-NCP02XH103D05RH

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9’383In Stock

Cut Tape

CHF 0.169

CHF 0.149

CHF 0.131

CHF 0.106

View

Reel

CHF 0.07

Min.: 1
Mult.: 1

: 20’000

Circuit Protection

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