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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: 362 172

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Part #

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33C2-03GHE3A08
Vishay
1: 0,421 €
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

0,421 €

0,285 €

0,162 €

0,127 €

Reel

0,09 €

View

Min.: 1
Mult.: 1

: 3 000

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

BR2100
Eaton Electrical
1: 386,60 €
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

386,60 €

266,80 €

253,05 €

Min.: 1
Mult.: 1

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

BR220
Eaton Electrical
1: 139,36 €
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

139,36 €

115,56 €

107,68 €

88,68 €

View

Min.: 1
Mult.: 1

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

PDG23G0020TFFN
Eaton Electrical
1: 541,87 €
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

541,87 €

475,35 €

443,64 €

View

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

CFB1-NF
Bourns
1: 44,66 €
21In Stock
New Product

Mfr. Part No.
CFB1-NF

Mouser Part No
652-CFB1-NF

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK, NO FUSE

Learn More

Datasheet

21In Stock

44,66 €

37,04 €

34,17 €

25,04 €

View

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: 89,26 €
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

89,26 €

76,91 €

70,41 €

55,35 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33A2-03GHE3A08
Vishay
1: 0,378 €
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

0,378 €

0,243 €

0,144 €

0,109 €

Reel

0,08 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Connectorised Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

PE73SP1061
Pasternack
1: 174,94 €
1In Stock
New Product

Mfr. Part No.
PE73SP1061

Mouser Part No
28-PE73SP1061

New Product

Pasternack

Connectorised Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

Datasheet

1In Stock

174,94 €

149,79 €

144,42 €

143,34 €

Min.: 1
Mult.: 1

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

BR24L70RP
Eaton Electrical
1: 319,39 €
1In Stock
New Product

Mfr. Part No.
BR24L70RP

Mouser Part No
504-BR24L70RP

New Product

Eaton Electrical

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

Datasheet

1In Stock

319,39 €

296,83 €

271,13 €

View

Min.: 1
Mult.: 1

Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K

CH260EPD
Eaton Electrical
1: 1 184,07 €
1In Stock
New Product

Mfr. Part No.
CH260EPD

Mouser Part No
504-CH260EPD

New Product

Eaton Electrical

Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K

1In Stock

1 184,07 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 300W,550V MIN,UNIDIR,SMA TVS

SMAJ550HM3_B/H
Vishay Semiconductors
1: 0,783 €
5 387In Stock
New Product

Mfr. Part No.
SMAJ550HM3_B/H

Mouser Part No
78-SMAJ550HM3_B/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 300W,550V MIN,UNIDIR,SMA TVS

Datasheet

5 387In Stock

Cut Tape

0,783 €

0,484 €

0,314 €

0,241 €

Reel

0,186 €

View

Min.: 1
Mult.: 1

: 1 800

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN26C2-03GHE3A08
Vishay
1: 0,421 €
4 427In Stock
New Product

Mfr. Part No.
VCAN26C2-03GHE3A08

Mouser Part No
78-VCAN26C2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

4 427In Stock

Cut Tape

0,421 €

0,285 €

0,162 €

0,127 €

Reel

0,09 €

View

Min.: 1
Mult.: 1

: 3 000

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

VESD16D1-HD1HG3-08
Vishay
1: 0,439 €
9 750In Stock
New Product

Mfr. Part No.
VESD16D1-HD1HG3-08

Mouser Part No
78-VESD16D1-HD1H3-08

New Product

Vishay

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

9 750In Stock

Cut Tape

0,439 €

0,31 €

0,151 €

0,126 €

Reel

0,058 €

View

Min.: 1
Mult.: 1

: 10 000

NTC (Negative Temperature Coefficient) Thermistors

NCP02XH103D05RH
Murata Electronics
1: 0,181 €
9 483In Stock
New Product

Mfr. Part No.
NCP02XH103D05RH

Mouser Part No
81-NCP02XH103D05RH

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9 483In Stock

Cut Tape

0,181 €

0,159 €

0,14 €

0,113 €

View

Reel

0,075 €

Min.: 1
Mult.: 1

: 20 000

Varistors G20, Hybrid design, 20 mm, Vrms=300V, GDT Voltage 1000(800-1200)V , 105C

B72220G3301K101
TDK
1: 2,93 €
696In Stock
New Product

Mfr. Part No.
B72220G3301K101

Mouser Part No
871-B72220G3301K101

New Product

TDK

Varistors G20, Hybrid design, 20 mm, Vrms=300V, GDT Voltage 1000(800-1200)V , 105C

Learn More

Datasheet

696In Stock

2,93 €

2,18 €

2,00 €

1,73 €

View

Min.: 1
Mult.: 1

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

SD90ABB
Bourns
1: 2,02 €
15 263In Stock

Mfr. Part No.
SD90ABB

Mouser Part No
652-SD90ABB

Bourns

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

Learn More

Datasheet

15 263In Stock

Cut Tape

2,02 €

1,87 €

1,55 €

1,38 €

View

Reel

0,917 €

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G

DD9-24V
Citel
1: 96,13 €
41In Stock

Mfr. Part No.
DD9-24V

Mouser Part No
703-DD9-24V

Citel

Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G

Learn More

Datasheet

41In Stock

96,13 €

80,85 €

76,62 €

76,60 €

View

Min.: 1
Mult.: 1

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

SMBJ14AHE3_B/I
Vishay Semiconductors
1: 0,688 €
9 578In 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 578In Stock

Cut Tape

0,688 €

0,43 €

0,277 €

0,211 €

Reel

0,163 €

View

Min.: 1
Mult.: 1

: 3 200

ESD Protection Diodes / TVS Diodes 300W,350V 5%,UNIDIR,SMA TVS

P4SMA350AHM3_B/I
Vishay Semiconductors
1: 0,783 €
9 480In Stock

Mfr. Part No.
P4SMA350AHM3_B/I

Mouser Part No
78-P4SMA350AHM3_B/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 300W,350V 5%,UNIDIR,SMA TVS

Learn More

Datasheet

9 480In Stock

Cut Tape

0,783 €

0,484 €

0,314 €

0,241 €

View

Reel

0,156 €

Min.: 1
Mult.: 1

: 7 500

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

SMF10A-HE3_A08
Vishay Semiconductors
1: 0,447 €
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

0,447 €

0,282 €

0,18 €

0,144 €

Reel

0,102 €

View

Min.: 1
Mult.: 1

: 3 000

SCRs NEW INPUT THYRISTOR - SUPER-248

VS-70TPS16-M3
Vishay Semiconductors
1: 13,35 €
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

13,35 €

10,17 €

8,46 €

7,54 €

7,15 €

Min.: 1
Mult.: 1

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

192-503QET-A01
Honeywell
1: 43,72 €
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

43,72 €

39,75 €

36,44 €

32,28 €

View

Min.: 1
Mult.: 1

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

3406.19.0003
HUBER+SUHNER
1: 221,04 €
92In 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

92In Stock

221,04 €

187,84 €

178,74 €

View

Min.: 1
Mult.: 1

Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 250mA

0AMA-0250-TD
Bel Fuse
Restricted Availability

Mfr. Part No.
0AMA-0250-TD

Mouser Part No
530-0AMA-0250-TD

Bel Fuse

Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 250mA

Learn More

Datasheet

Restricted Availability

Triacs 16 Amp Standard High Temperature Alternistor TRIAC-TO263

QJ6016NH5RP
Littelfuse
1: 4,02 €
693In Stock

Mfr. Part No.
QJ6016NH5RP

Mouser Part No
576-QJ6016NH5RP

Littelfuse

Triacs 16 Amp Standard High Temperature Alternistor TRIAC-TO263

Learn More

Datasheet

693In Stock

Cut Tape

4,02 €

3,11 €

2,46 €

Reel

2,11 €

2,05 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

Circuit Protection

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