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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: 365,610

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Part #

NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor 0402 47K F60 B-4108 NICA

B57250V2473F560
TDK
1: $0.172
34,956In Stock

Mfr. Part No.
B57250V2473F560

Mouser Part No
871-B57250V2473F560

TDK

NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor 0402 47K F60 B-4108 NICA

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Datasheet

34,956In Stock

Cut Tape

$0.172

$0.143

$0.139

$0.116

Reel

$0.067

View

Min.: 1
Mult.: 1

: 10,000

Inrush Current Limiters S 364/10 M51

B57364S0100M051
TDK
1: $4.42
1,907In Stock

Mfr. Part No.
B57364S0100M051

Mouser Part No
871-B57364S0100M051

TDK

Inrush Current Limiters S 364/10 M51

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Datasheet

1,907In Stock

Cut Tape

$4.42

$3.70

$3.42

$3.35

View

Reel

$1.99

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiters S 364/1 M51

B57364S0109M051
TDK
1: $3.33
2,243In Stock
2,000On Order

Mfr. Part No.
B57364S0109M051

Mouser Part No
871-B57364S0109M051

TDK

Inrush Current Limiters S 364/1 M51

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Datasheet

2,243In Stock

2,000On Order

Cut Tape

$3.33

$2.96

$2.83

$2.67

View

Reel

$1.92

Min.: 1
Mult.: 1

: 1,000

NTC (Negative Temperature Coefficient) Thermistors 5k 3988

B57863S0502F040
TDK
1: $3.85
4,953In Stock

Mfr. Part No.
B57863S0502F040

Mouser Part No
871-B57863S502F40

TDK

NTC (Negative Temperature Coefficient) Thermistors 5k 3988

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Datasheet

4,953In Stock

$3.85

$3.68

$3.47

$3.33

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 160C 12Vdc 3ohms Disc PTC Heating

B59060A0160A010
TDK
1: $3.30
1,720In Stock

Mfr. Part No.
B59060A0160A010

Mouser Part No
871-B59060A0160A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 160C 12Vdc 3ohms Disc PTC Heating

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Datasheet

1,720In Stock

$3.30

$2.70

$2.19

$2.04

View

Min.: 1
Mult.: 1

Varistors 460VAC 10% 10mm AdvanceD

B72210S2461K101
TDK
1: $0.729
12,234In Stock

Mfr. Part No.
B72210S2461K101

Mouser Part No
871-B72210S2461K101

TDK

Varistors 460VAC 10% 10mm AdvanceD

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Datasheet

12,234In Stock

$0.729

$0.459

$0.399

$0.372

View

Min.: 1
Mult.: 1

Varistors 35VAC 10% 10mm StandarD

B72210S0350K101
TDK
1: $0.529
17,557In Stock

Mfr. Part No.
B72210S0350K101

Mouser Part No
871-B72210S350K101

TDK

Varistors 35VAC 10% 10mm StandarD

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Datasheet

17,557In Stock

$0.529

$0.325

$0.279

$0.26

View

Min.: 1
Mult.: 1

Varistors 40VAC 10% 14mm StandarD

B72214S0400K101
TDK
1: $0.644
13,027In Stock

Mfr. Part No.
B72214S0400K101

Mouser Part No
871-B72214S400K101

TDK

Varistors 40VAC 10% 14mm StandarD

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Datasheet

13,027In Stock

$0.644

$0.398

$0.358

$0.337

View

Min.: 1
Mult.: 1

Industrial Surge Protectors 550V 25kA 10% 4pin 30mm

B72230M0551M401
TDK
1: $18.29
349In Stock

Mfr. Part No.
B72230M0551M401

Mouser Part No
871-B72230M0551M401

TDK

Industrial Surge Protectors 550V 25kA 10% 4pin 30mm

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Datasheet

349In Stock

$18.29

$14.09

$12.87

$12.61

View

Min.: 1
Mult.: 1

Varistors 30VAC 10% 3225mm

B72650M0300K072
TDK
1: $1.13
9,870In Stock

Mfr. Part No.
B72650M0300K072

Mouser Part No
871-B72650M0300K072

TDK

Varistors 30VAC 10% 3225mm

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Datasheet

9,870In Stock

Cut Tape

$1.13

$0.725

$0.635

$0.593

Reel

$0.518

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Circuit Breakers Cir Brkr Hyd Mag

219-3-8303-11
AIRPAX
1: $479.69
7In Stock

Mfr. Part No.
219-3-8303-11

Mouser Part No
874-2193830311

AIRPAX

Circuit Breakers Cir Brkr Hyd Mag

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Datasheet

7In Stock

$479.69

$418.99

$291.11

$255.80

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 4-Line 5V 20pF SLP2116P8 SIM CARD PROT

ECLAMP2455P.TCT
Semtech
1: $1.57
5,291In Stock

Mfr. Part No.
ECLAMP2455P.TCT

Mouser Part No
947-ECLAMP2455P.TCT

Semtech

ESD Protection Diodes / TVS Diodes 4-Line 5V 20pF SLP2116P8 SIM CARD PROT

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Datasheet

5,291In Stock

Cut Tape

$1.57

$1.29

$0.995

$0.782

Reel

$0.593

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Circuit Breakers HB2206UC HYD.MCB UL489 2P,Curve2,6.0A

2822220000
Weidmuller
1: $103.40
13In Stock

Mfr. Part No.
2822220000

Mouser Part No
470-2822220000

Weidmuller

Circuit Breakers HB2206UC HYD.MCB UL489 2P,Curve2,6.0A

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Datasheet

13In Stock

$103.40

$89.89

$73.87

$72.74

View

Min.: 1
Mult.: 1

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 4A Silver Plating Tape and Reel (5000 pcs.)

0680H4000-05
Bel Fuse
1: $0.887
4,313In Stock

Mfr. Part No.
0680H4000-05

Mouser Part No
530-0680H4000-05

Bel Fuse

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 4A Silver Plating Tape and Reel (5000 pcs.)

Learn More

Datasheet

4,313In Stock

Cut Tape

$0.887

$0.814

$0.676

$0.623

View

Reel

$0.389

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 5A Silver Plating Tape and Reel (5000 pcs.)

0680H5000-05
Bel Fuse
1: $0.887
4,268In Stock

Mfr. Part No.
0680H5000-05

Mouser Part No
530-0680H5000-05

Bel Fuse

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 5A Silver Plating Tape and Reel (5000 pcs.)

Learn More

Datasheet

4,268In Stock

Cut Tape

$0.887

$0.814

$0.676

$0.623

View

Reel

$0.393

Min.: 1
Mult.: 1

: 5,000

Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO220 Iso

QJ8035LH4TP
Littelfuse
1: $10.30
935In Stock

Mfr. Part No.
QJ8035LH4TP

Mouser Part No
576-QJ8035LH4TP

Littelfuse

Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO220 Iso

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Datasheet

935In Stock

$10.30

$7.36

$5.39

$5.32

Min.: 1
Mult.: 1

Varistors 14mm, 325Vac, 10%, Compact Series

B72314S0321K101
TDK
1: $0.572
5,910In Stock

Mfr. Part No.
B72314S0321K101

Mouser Part No
871-B72314S0321K101

TDK

Varistors 14mm, 325Vac, 10%, Compact Series

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Datasheet

5,910In Stock

$0.572

$0.352

$0.306

$0.273

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5.5VDC 15kV 7Aa.8/20us 0.45pF 1nAa.5.5V

B74111U0055M060
TDK
1: $0.40
20,000In Stock

Mfr. Part No.
B74111U0055M060

Mouser Part No
871-B74111U0055M060

TDK

ESD Protection Diodes / TVS Diodes 5.5VDC 15kV 7Aa.8/20us 0.45pF 1nAa.5.5V

Learn More

Datasheet

20,000In Stock

Cut Tape

$0.40

$0.223

$0.142

$0.112

View

Reel

$0.054

MouseReel Available

Min.: 1
Mult.: 1

: 20,000

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 8A Silver Plating Tape and Reel (5000 pcs.)

0680H8000-05
Bel Fuse
1: $0.887
4,076In Stock

Mfr. Part No.
0680H8000-05

Mouser Part No
530-0680H8000-05

Bel Fuse

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 8A Silver Plating Tape and Reel (5000 pcs.)

Learn More

Datasheet

4,076In Stock

Cut Tape

$0.887

$0.814

$0.676

$0.623

View

Reel

$0.393

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 500mA Silver Plating Tape and Reel (5000 pcs.)

0680H0500-05
Bel Fuse
1: $0.872
3,814In Stock

Mfr. Part No.
0680H0500-05

Mouser Part No
530-0680H0500-05

Bel Fuse

Surface Mount Fuses 2410 SMD AEC-Q200 Compliant Fuse Slow Blow 500mA Silver Plating Tape and Reel (5000 pcs.)

Learn More

Datasheet

3,814In Stock

Cut Tape

$0.872

$0.798

$0.662

$0.612

View

Reel

$0.385

Min.: 1
Mult.: 1

: 5,000

NTC (Negative Temperature Coefficient) Thermistors 5Kohms Special Tol. AEC-Q200 3977K ETFE Insulated

NTCLE300E3502SBA
Vishay / BC Components
1: $1.99
952In Stock
998On Order

Mfr. Part No.
NTCLE300E3502SBA

Mouser Part No
594-NTCLE300E3502SBA

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 5Kohms Special Tol. AEC-Q200 3977K ETFE Insulated

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Datasheet

952In Stock

998On Order

$1.99

$1.90

$1.79

$1.70

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 2.2Kohms 3% NTC Epoxy PVC 3977K

NTCLE400E3222HA
Vishay / BC Components
1: $2.96
773In Stock

Mfr. Part No.
NTCLE400E3222HA

Mouser Part No
594-NTCLE400E3222HA

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 2.2Kohms 3% NTC Epoxy PVC 3977K

Learn More

Datasheet

773In Stock

$2.96

$2.82

$2.66

$2.55

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5Kohms 3% NTC Epoxy PVC 3977K

NTCLE400E3502HA
Vishay / BC Components
1: $2.96
741In Stock

Mfr. Part No.
NTCLE400E3502HA

Mouser Part No
594-NTCLE400E3502HA

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 5Kohms 3% NTC Epoxy PVC 3977K

Learn More

Datasheet

741In Stock

$2.96

$2.82

$2.66

$2.55

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT35 Design Kit

DK-GDT35-01
Bourns
1: $73.03
43In Stock

Mfr. Part No.
DK-GDT35-01

Mouser Part No
652-DK-GDT35-01

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT35 Design Kit

Learn More

Datasheet

43In Stock

$73.03

$60.37

$45.77

$40.71

View

Min.: 1
Mult.: 1

Circuit Breakers Cir Brkr,HydMag

IELHK11-1-52-30.0-01-V
AIRPAX
1: $231.67
3In Stock

Mfr. Part No.
IELHK11-1-52-30.0-01-V

Mouser Part No
874-IELHK1115230001V

AIRPAX

Circuit Breakers Cir Brkr,HydMag

Datasheet

3In Stock

$231.67

$200.04

$199.99

$139.15

View

Min.: 1
Mult.: 1

Circuit Protection

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