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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: 359’646

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Part #

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

VESD29D1-HD1HG3-08
Vishay
1: CHF 0.411
9’750In Stock
New Product

Mfr. Part No.
VESD29D1-HD1HG3-08

Mouser Part No
78-VESD29D1-HD1H3-08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

9’750In Stock

Cut Tape

CHF 0.411

CHF 0.29

CHF 0.141

CHF 0.118

Reel

CHF 0.054

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Min.: 1
Mult.: 1

: 10’000

Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

SD90ABB
Bourns
1: CHF 1.89
15’270In Stock

Mfr. Part No.
SD90ABB

Mouser Part No
652-SD90ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

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Datasheet

15’270In Stock

Cut Tape

CHF 1.89

CHF 1.75

CHF 1.45

CHF 1.29

View

Reel

CHF 0.858

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K

CH340
Eaton Electrical
1: CHF 498.83
3In Stock
New Product

Mfr. Part No.
CH340

Mouser Part No
504-CH340

New Product

Eaton Electrical

Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K

Datasheet

3In Stock

CHF 498.83

CHF 402.36

CHF 376.23

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Min.: 1
Mult.: 1

Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC

CHFN130GF
Eaton Electrical
1: CHF 388.42
1In Stock
New Product

Mfr. Part No.
CHFN130GF

Mouser Part No
504-CHFN130GF

New Product

Eaton Electrical

Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC

1In Stock

CHF 388.42

CHF 340.91

CHF 310.01

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Min.: 1
Mult.: 1

Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE

FAZ-D2.5/2
Eaton Electrical
1: CHF 347.66
1In Stock
New Product

Mfr. Part No.
FAZ-D2.5/2

Mouser Part No
504-FAZ-D2.5/2

New Product

Eaton Electrical

Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE

Datasheet

1In Stock

CHF 347.66

CHF 288.00

CHF 265.42

Min.: 1
Mult.: 1

Circuit Breakers HFD-DC BREAKER - LINE & LOAD TERMINALS

HFDDC1060L
Eaton Electrical
1: CHF 469.04
1In Stock
New Product

Mfr. Part No.
HFDDC1060L

Mouser Part No
504-HFDDC1060L

New Product

Eaton Electrical

Circuit Breakers HFD-DC BREAKER - LINE & LOAD TERMINALS

Datasheet

1In Stock

CHF 469.04

CHF 459.53

CHF 452.90

CHF 446.25

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Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU

PDG23F0035TFFJ
Eaton Electrical
1: CHF 594.56
2In Stock
New Product

Mfr. Part No.
PDG23F0035TFFJ

Mouser Part No
504-PDG23F0035TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

CHF 594.56

CHF 492.53

CHF 454.05

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Min.: 1
Mult.: 1

Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V

QBHW2015HT
Eaton Electrical
1: CHF 797.67
1In Stock
New Product

Mfr. Part No.
QBHW2015HT

Mouser Part No
504-QBHW2015HT

New Product

Eaton Electrical

Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V

Datasheet

1In Stock

CHF 797.67

CHF 660.79

CHF 608.98

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33C2-03GHE3A08
Vishay
1: CHF 0.394
14’700In Stock
New Product

Mfr. Part No.
VCAN33C2-03GHE3A08

Mouser Part No
78-VCAN33C2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

14’700In Stock

Cut Tape

CHF 0.394

CHF 0.267

CHF 0.152

CHF 0.119

Reel

CHF 0.084

View

Min.: 1
Mult.: 1

: 3’000

NTC (Negative Temperature Coefficient) Thermistors

NCP02WF104FB5RH
Murata Electronics
1: CHF 0.105
40’229In Stock
New Product

Mfr. Part No.
NCP02WF104FB5RH

Mouser Part No
81-NCP02WF104FB5RH

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

40’229In Stock

Cut Tape

CHF 0.105

CHF 0.09

CHF 0.08

CHF 0.066

View

Reel

CHF 0.044

Min.: 1
Mult.: 1

: 20’000

Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K

BR2100
Eaton Electrical
1: CHF 361.86
3In Stock
New Product

Mfr. Part No.
BR2100

Mouser Part No
504-BR2100

New Product

Eaton Electrical

Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K

Datasheet

3In Stock

CHF 361.86

CHF 249.72

CHF 236.85

Min.: 1
Mult.: 1

Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K

BR220
Eaton Electrical
1: CHF 130.44
3In Stock
New Product

Mfr. Part No.
BR220

Mouser Part No
504-BR220

New Product

Eaton Electrical

Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K

Datasheet

3In Stock

CHF 130.44

CHF 108.16

CHF 100.79

CHF 83.00

View

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU

PDG23G0020TFFN
Eaton Electrical
1: CHF 507.19
3In Stock
New Product

Mfr. Part No.
PDG23G0020TFFN

Mouser Part No
504-PDG23G0020TFFN

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU

Datasheet

3In Stock

CHF 507.19

CHF 444.93

CHF 415.25

View

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

CFB1-NF
Bourns
1: CHF 41.80
20In Stock
New Product

Mfr. Part No.
CFB1-NF

Mouser Part No
652-CFB1-NF

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

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Datasheet

20In Stock

CHF 41.80

CHF 34.67

CHF 31.98

CHF 23.44

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Min.: 1
Mult.: 1

Connectorised Surge Protectors Indoor 10Gb/s (Cat6A) POE Surge Protective Device with Mounting Kit

MJ8-POE-C6A/G/KF
Citel
1: CHF 83.55
7In Stock
New Product

Mfr. Part No.
MJ8-POE-C6A/G/KF

Mouser Part No
703-MJ8-POE-C6A/G/KF

New Product

Citel

Connectorised Surge Protectors Indoor 10Gb/s (Cat6A) POE Surge Protective Device with Mounting Kit

Datasheet

7In Stock

CHF 83.55

CHF 71.99

CHF 65.90

CHF 51.81

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33A2-03GHE3A08
Vishay
1: CHF 0.354
4’129In Stock
15’000Expected 8/20/2026
New Product

Mfr. Part No.
VCAN33A2-03GHE3A08

Mouser Part No
78-VCAN33A2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

4’129In Stock

15’000Expected 8/20/2026

Cut Tape

CHF 0.354

CHF 0.227

CHF 0.135

CHF 0.102

Reel

CHF 0.075

View

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS

SMBJ14AHE3_B/I
Vishay Semiconductors
1: CHF 0.644
9’278In Stock

Mfr. Part No.
SMBJ14AHE3_B/I

Mouser Part No
78-SMBJ14AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

9’278In 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

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz

3402.26.0002
HUBER+SUHNER
1: CHF 280.99
53In Stock

Mfr. Part No.
3402.26.0002

Mouser Part No
455-3402260002

HUBER+SUHNER

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz

Learn More

Datasheet

53In Stock

CHF 280.99

CHF 255.99

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

SMF10A-HE3_A08
Vishay Semiconductors
1: CHF 0.418
29’995In Stock

Mfr. Part No.
SMF10A-HE3_A08

Mouser Part No
78-SMF10A-HE3A08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

Datasheet

29’995In Stock

Cut Tape

CHF 0.418

CHF 0.264

CHF 0.168

CHF 0.135

Reel

CHF 0.095

View

Min.: 1
Mult.: 1

: 3’000

SCRs NEW INPUT THYRISTOR - SUPER-248

VS-70TPS16-M3
Vishay Semiconductors
1: CHF 12.50
973In Stock

Mfr. Part No.
VS-70TPS16-M3

Mouser Part No
78-VS-70TPS16-M3

Vishay Semiconductors

SCRs NEW INPUT THYRISTOR - SUPER-248

Datasheet

973In Stock

CHF 12.50

CHF 9.52

CHF 7.92

CHF 7.06

CHF 6.69

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Uni-Curve w/ bare leads & epoxy

192-503QET-A01
Honeywell
1: CHF 40.92
859In Stock

Mfr. Part No.
192-503QET-A01

Mouser Part No
785-192-503QET-A01

Honeywell

NTC (Negative Temperature Coefficient) Thermistors Uni-Curve w/ bare leads & epoxy

Datasheet

859In Stock

CHF 40.92

CHF 37.21

CHF 34.11

CHF 32.57

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 20V BI

PGB2010201KR-15NR
Littelfuse
1: CHF 0.483
12’520In Stock

Mfr. Part No.
PGB2010201KR-15NR

Mouser Part No
576-PGB2010201KR15NR

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 20V BI

Learn More

Datasheet

12’520In Stock

Cut Tape

CHF 0.483

CHF 0.307

CHF 0.249

CHF 0.238

View

Reel

CHF 0.185

Min.: 1
Mult.: 1

: 15’000

ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS

SP4338-02WTG
Littelfuse
1: CHF 0.563
60’258In Stock

Mfr. Part No.
SP4338-02WTG

Mouser Part No
576-SP4338-02WTG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS

Learn More

Datasheet

60’258In Stock

Cut Tape

CHF 0.563

CHF 0.346

CHF 0.222

CHF 0.168

View

Reel

CHF 0.098

MouseReel Available

Min.: 1
Mult.: 1

: 10’000

NTC (Negative Temperature Coefficient) Thermistors ICL S364/20 M 21mm

B57364S0200M000
TDK
1: CHF 1.93
2’194In Stock

Mfr. Part No.
B57364S0200M000

Mouser Part No
871-B57364S0200M000

TDK

NTC (Negative Temperature Coefficient) Thermistors ICL S364/20 M 21mm

Learn More

Datasheet

2’194In Stock

CHF 1.93

CHF 1.79

CHF 1.56

CHF 1.45

View

Min.: 1
Mult.: 1

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology

3406.19.0003
HUBER+SUHNER
1: CHF 206.89
72In Stock

Mfr. Part No.
3406.19.0003

Mouser Part No
455-3406190003

HUBER+SUHNER

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology

Learn More

Datasheet

72In Stock

CHF 206.89

CHF 175.82

CHF 167.30

View

Min.: 1
Mult.: 1

Circuit Protection

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