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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: 363,025

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Part #

ESD Protection Diodes / TVS Diodes 1.5KW,47V 5%,SMB PAR

T15B47AHM3/H
Vishay Semiconductors
1: $1.74
3,850In Stock

Mfr. Part No.
T15B47AHM3/H

Mouser Part No
78-T15B47AHM3H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1.5KW,47V 5%,SMB PAR

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Datasheet

3,850In Stock

Cut Tape

$1.74

$1.10

$0.718

$0.555

Reel

$0.502

View

Min.: 1
Mult.: 1

: 750

Circuit Breaker Accessories MPR SURGE SUPPRESSOR

MPR-SS
L-Com
1: $192.98
4In Stock
5On Order
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

4In Stock

5On Order

$192.98

$174.09

$171.97

$168.81

View

Min.: 1
Mult.: 1

Automotive Fuses 500V-Rated fuse for EV/HEV/ESS 450A

0AKSBK450-BA
Bel Fuse
1: $89.50
8In Stock
4On Order

Mfr. Part No.
0AKSBK450-BA

Mouser Part No
530-0AKSBK450-BA

Bel Fuse

Automotive Fuses 500V-Rated fuse for EV/HEV/ESS 450A

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Datasheet

8In Stock

4On Order

$89.50

$76.81

$59.13

$57.41

View

Min.: 1
Mult.: 1

Surface Mount Fuses MFU 0603-FF AT P5 0A5

MFU0603FF00500P5AT
Vishay
1: $0.629
8,279In Stock

Mfr. Part No.
MFU0603FF00500P5AT

Mouser Part No
594-MFU0603F00500P5A

Vishay

Surface Mount Fuses MFU 0603-FF AT P5 0A5

Datasheet

8,279In Stock

$0.629

$0.501

$0.422

$0.366

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTCCU0.6LEAD10KSPECIALTOLBULKE3

NTCLE101E3103SB0
Vishay / BC Components
1: $2.70
350In Stock

Mfr. Part No.
NTCLE101E3103SB0

Mouser Part No
594-NTCLE101E3103SB0

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTCCU0.6LEAD10KSPECIALTOLBULKE3

Datasheet

350In Stock

$2.70

$2.03

$1.63

$1.53

View

Min.: 1
Mult.: 1

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

SM6T33AHE3_B/I
Vishay Semiconductors
1: $1.10
3,098In 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

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Datasheet

3,098In Stock

Cut Tape

$1.10

$0.675

$0.436

$0.333

Reel

$0.257

View

Min.: 1
Mult.: 1

: 3,200

ESD Protection Diodes / TVS Diodes 600W,64V 5%,BIDIR,SMB TVS

SMBJ64CAHE3_B/H
Vishay Semiconductors
1: $1.43
5,800In Stock

Mfr. Part No.
SMBJ64CAHE3_B/H

Mouser Part No
78-SMBJ64CAHE3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,64V 5%,BIDIR,SMB TVS

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Datasheet

5,800In Stock

Cut Tape

$1.43

$0.898

$0.588

$0.453

Reel

$0.41

View

Min.: 1
Mult.: 1

: 750

Circuit Breakers Cir Brkr,HydMag

IELHK11-1REC4-61-2.00-AE-01-V
AIRPAX
1: $252.11
1In Stock

Mfr. Part No.
IELHK11-1REC4-61-2.00-AE-01-V

Mouser Part No
874-1REC4612.00AE01V

AIRPAX

Circuit Breakers Cir Brkr,HydMag

Datasheet

1In Stock

$252.11

$220.21

$152.98

$134.48

View

Min.: 1
Mult.: 1

Circuit Breakers Cir Brkr,HydMag

IALN111-1-72-50.0-E
AIRPAX
1: $392.01
1In Stock

Mfr. Part No.
IALN111-1-72-50.0-E

Mouser Part No
874-IALN111172500E

AIRPAX

Circuit Breakers Cir Brkr,HydMag

Datasheet

1In Stock

$392.01

$342.49

$237.95

$209.08

View

Min.: 1
Mult.: 1

Circuit Breakers

IUGH34-9414-1
AIRPAX
1: $210.85
2In Stock

Mfr. Part No.
IUGH34-9414-1

Mouser Part No
874-IUGH34-9414-1

AIRPAX

Circuit Breakers

2In Stock

$210.85

$199.77

$188.69

$182.17

Min.: 1
Mult.: 1

Circuit Breakers HB2201UC HYD.MCB UL489 2P,Curve2,1.0A

2822170000
Weidmuller
1: $109.54
18In Stock

Mfr. Part No.
2822170000

Mouser Part No
470-2822170000

Weidmuller

Circuit Breakers HB2201UC HYD.MCB UL489 2P,Curve2,1.0A

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Datasheet

18In Stock

$109.54

$98.36

$87.03

$84.76

View

Min.: 1
Mult.: 1

Circuit Breakers CB4201-10, 2.5A/TS35

7940102159
Weidmuller
1: $93.55
14In Stock

Mfr. Part No.
7940102159

Mouser Part No
470-7940102159

Weidmuller

Circuit Breakers CB4201-10, 2.5A/TS35

Datasheet

14In Stock

$93.55

$87.36

$74.89

Min.: 1
Mult.: 1

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 2.5A Silver Plating Tape and Reel (5000 pcs.)

0680H2500-05
Bel Fuse
1: $0.872
4,345In Stock

Mfr. Part No.
0680H2500-05

Mouser Part No
530-0680H2500-05

Bel Fuse

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 2.5A Silver Plating Tape and Reel (5000 pcs.)

Learn More

Datasheet

4,345In Stock

Cut Tape

$0.872

$0.798

$0.662

$0.611

View

Reel

$0.385

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 6.3A Silver Plating Tape and Reel (5000 pcs.)

0680H6300-05
Bel Fuse
1: $0.887
4,301In Stock

Mfr. Part No.
0680H6300-05

Mouser Part No
530-0680H6300-05

Bel Fuse

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 6.3A Silver Plating Tape and Reel (5000 pcs.)

Learn More

Datasheet

4,301In Stock

Cut Tape

$0.887

$0.814

$0.676

$0.623

View

Reel

$0.393

Min.: 1
Mult.: 1

: 5,000

Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA

0AMA-0050-TD
Bel Fuse
1: $11.95
875In Stock

Mfr. Part No.
0AMA-0050-TD

Mouser Part No
530-0AMA-0050-TD

Bel Fuse

Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA

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Datasheet

875In Stock

Cut Tape

$11.95

$9.92

$9.15

$7.59

Reel

$5.06

View

Min.: 1
Mult.: 1

: 500

NTC (Negative Temperature Coefficient) Thermistors ICL S464/2.5 M 26mm

B57464S0259M000
TDK
1: $8.68
231In Stock

Mfr. Part No.
B57464S0259M000

Mouser Part No
871-B57464S0259M000

TDK

NTC (Negative Temperature Coefficient) Thermistors ICL S464/2.5 M 26mm

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Datasheet

231In Stock

$8.68

$7.15

$6.61

$6.59

View

Min.: 1
Mult.: 1

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology

3400.17.0254
HUBER+SUHNER
1: $598.70
9In Stock
6On Order

Mfr. Part No.
3400.17.0254

Mouser Part No
455-3400170254

HUBER+SUHNER

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology

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Datasheet

9In Stock

6On Order

$598.70

$542.13

$523.99

Min.: 1
Mult.: 1

Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94

2210-S221-P1M3-H0-12A
E-T-A
1: $369.48
10In Stock
10On Order

Mfr. Part No.
2210-S221-P1M3-H0-12A

Mouser Part No
457-210S221P1M3H012A

E-T-A

Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94

Datasheet

10In Stock

10On Order

$369.48

$258.84

$256.47

$246.19

View

Min.: 1
Mult.: 1

Circuit Breakers FAZ-NA UL 489 MCB 2P 6A C CURVE

FAZ-D6/2-RT
Eaton Electrical
1: $759.64
5In Stock
New At Mouser

Mfr. Part No.
FAZ-D6/2-RT

Mouser Part No
504-FAZ-D6/2-RT

New At Mouser

Eaton Electrical

Circuit Breakers FAZ-NA UL 489 MCB 2P 6A C CURVE

Datasheet

5In Stock

$759.64

$629.29

$489.17

View

Min.: 1
Mult.: 1

Connectorised Surge Protectors Din Rail POE Surge Suppressor, Type B

MJ8-POE-B
Citel
1: $177.51
144In Stock

Mfr. Part No.
MJ8-POE-B

Mouser Part No
703-MJ8-POE-B

Citel

Connectorised Surge Protectors Din Rail POE Surge Suppressor, Type B

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Datasheet

144In Stock

$177.51

$147.20

$135.76

$135.74

View

Min.: 1
Mult.: 1

SCRs Phase Control Thyristor

N0910LC260
IXYS
1: $307.95
10In Stock

Mfr. Part No.
N0910LC260

Mouser Part No
747-N0910LC260

IXYS

SCRs Phase Control Thyristor

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Datasheet

10In Stock

$307.95

$247.99

Min.: 1
Mult.: 1

Varistors 150VAC 10% 10mm AdvanceD

B72210S2151K551
TDK
1: $0.787
6,235In Stock
3,345On Order

Mfr. Part No.
B72210S2151K551

Mouser Part No
871-B72210S2151K551

TDK

Varistors 150VAC 10% 10mm AdvanceD

Learn More

Datasheet

6,235In Stock

3,345On Order

Cut Tape

$0.787

$0.486

$0.423

$0.393

Reel

$0.335

View

Min.: 1
Mult.: 1

: 1,500

Circuit Breaker Accessories PBII 4 AUX. SWITCH 240V DRAWOUT

SPAS240AB4DR
ABB
1: $5,649.59
2In Stock
New At Mouser

Mfr. Part No.
SPAS240AB4DR

Mouser Part No
894-SPAS240AB4DR

New At Mouser

ABB

Circuit Breaker Accessories PBII 4 AUX. SWITCH 240V DRAWOUT

Datasheet

2In Stock

$5,649.59

Min.: 1
Mult.: 1

Circuit Breaker Accessories BREAKER 3VA125,250 60 IN MAX FLEX CABLE

3VA92780CC30
Siemens
1: $1,010.71
4In Stock

Mfr. Part No.
3VA92780CC30

Mouser Part No
982-3VA92780CC30

Siemens

Circuit Breaker Accessories BREAKER 3VA125,250 60 IN MAX FLEX CABLE

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Datasheet

4In Stock

$1,010.71

$869.43

$849.32

View

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1.5A 3.6X10 FA PT PB-FREE

087501.5MRET1P
Littelfuse
1: $4.52
923In Stock

Mfr. Part No.
087501.5MRET1P

Mouser Part No
576-087501.5MRET1P

Littelfuse

Cartridge Fuses 250V 1.5A 3.6X10 FA PT PB-FREE

Learn More

Datasheet

923In Stock

Cut Tape

$4.52

$4.16

$4.02

$3.16

Reel

$2.13

View

Min.: 1
Mult.: 1

: 1,000

Circuit Protection

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