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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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Part #

NTC (Negative Temperature Coefficient) Thermistors Case EIA 0201 B= 1% ,47kO 1%

NTCG064BF473FTBX
TDK
1: $0.10
66,790In Stock
30,000On Order

Mfr. Part No.
NTCG064BF473FTBX

Mouser Part No
810-NTCG064BF473FTBX

TDK

NTC (Negative Temperature Coefficient) Thermistors Case EIA 0201 B= 1% ,47kO 1%

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Datasheet

66,790In Stock

30,000On Order

Cut Tape

$0.10

$0.071

$0.062

$0.058

View

Reel

$0.037

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

NTC (Negative Temperature Coefficient) Thermistors 0402 100Kohm 0.5% AEC-Q200 125C

NTCG104ED104DTDSX
TDK
1: $0.27
14,749In Stock

Mfr. Part No.
NTCG104ED104DTDSX

Mouser Part No
810-NTCG104ED104DTDX

TDK

NTC (Negative Temperature Coefficient) Thermistors 0402 100Kohm 0.5% AEC-Q200 125C

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Datasheet

14,749In Stock

Cut Tape

$0.27

$0.246

$0.217

$0.206

View

Reel

$0.147

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

SCRs 800 Volt 50 Amp

VS-50RIA80
Vishay Semiconductors
1: $24.51
105In Stock
100On Order

Mfr. Part No.
VS-50RIA80

Mouser Part No
844-50RIA80

Vishay Semiconductors

SCRs 800 Volt 50 Amp

Datasheet

105In Stock

100On Order

$24.51

$17.34

$16.24

Min.: 1
Mult.: 1

Triacs 16A 50mA 800V IGT 3 QUAD

BTB16-800BW3G
Littelfuse
1: $2.18
3,337In Stock

Mfr. Part No.
BTB16-800BW3G

Mouser Part No
863-BTB16-800BW3G

Littelfuse

Triacs 16A 50mA 800V IGT 3 QUAD

Datasheet

3,337In Stock

$2.18

$1.07

$0.959

$0.784

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 22 Ohms 2900 3%

B57164K0220K000
TDK
1: $0.59
8,923In Stock

Mfr. Part No.
B57164K0220K000

Mouser Part No
871-B57164K220K

TDK

NTC (Negative Temperature Coefficient) Thermistors 22 Ohms 2900 3%

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Datasheet

8,923In Stock

$0.59

$0.555

$0.519

$0.494

View

Min.: 1
Mult.: 1

Inrush Current Limiters ICL S235/2.5 M51

B57235S0259M051
TDK
1: $0.70
4,359In Stock

Mfr. Part No.
B57235S0259M051

Mouser Part No
871-B57235S0259M051

TDK

Inrush Current Limiters ICL S235/2.5 M51

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Datasheet

4,359In Stock

Cut Tape

$0.70

$0.616

$0.587

$0.56

Reel

$0.452

View

Min.: 1
Mult.: 1

: 1,500

Inrush Current Limiters S 235/6 M

B57235S0609M000
TDK
1: $0.76
5,668In Stock
3,000On Order

Mfr. Part No.
B57235S0609M000

Mouser Part No
871-B57235S0609M000

TDK

Inrush Current Limiters S 235/6 M

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Datasheet

5,668In Stock

3,000On Order

$0.76

$0.70

$0.581

$0.537

View

Min.: 1
Mult.: 1

Inrush Current Limiters S 236/120/M 51 NTC Thermistor

B57236S0121M051
TDK
1: $0.90
3,673In Stock

Mfr. Part No.
B57236S0121M051

Mouser Part No
871-B57236S0121M051

TDK

Inrush Current Limiters S 236/120/M 51 NTC Thermistor

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Datasheet

3,673In Stock

Cut Tape

$0.90

$0.796

$0.759

$0.726

Reel

$0.601

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiters S 236/20 M

B57236S0200M000
TDK
1: $1.00
4,243In Stock

Mfr. Part No.
B57236S0200M000

Mouser Part No
871-B57236S0200M000

TDK

Inrush Current Limiters S 236/20 M

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Datasheet

4,243In Stock

$1.00

$0.921

$0.765

$0.706

View

Min.: 1
Mult.: 1

Inrush Current Limiters S 237/7 M51

B57237S0709M051
TDK
1: $1.06
2,292In Stock

Mfr. Part No.
B57237S0709M051

Mouser Part No
871-B57237S0709M051

TDK

Inrush Current Limiters S 237/7 M51

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Datasheet

2,292In Stock

Cut Tape

$1.06

$0.943

$0.901

$0.862

Reel

$0.716

View

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiters 10 Ohms 3.7amps 3060k

B57237S0100M054
TDK
1: $1.53
16,618In Stock

Mfr. Part No.
B57237S0100M054

Mouser Part No
871-B57237S100M54

TDK

Inrush Current Limiters 10 Ohms 3.7amps 3060k

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Datasheet

16,618In Stock

$1.53

$1.41

$1.17

$1.08

View

Reel

$0.709

Min.: 1
Mult.: 1

: 750

NTC (Negative Temperature Coefficient) Thermistors 100.8kohm 4092 1.5% 50mW Probe K550

B57550K0104A001
TDK
1: $4.53
2,822In Stock

Mfr. Part No.
B57550K0104A001

Mouser Part No
871-B57550K0104A001

TDK

NTC (Negative Temperature Coefficient) Thermistors 100.8kohm 4092 1.5% 50mW Probe K550

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Datasheet

2,822In Stock

$4.53

$4.07

$3.90

$3.70

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 2.2k 3900 1%

B57891S0222F008
TDK
1: $1.64
1,891In Stock

Mfr. Part No.
B57891S0222F008

Mouser Part No
871-B57891S222F8

TDK

NTC (Negative Temperature Coefficient) Thermistors 2.2k 3900 1%

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Datasheet

1,891In Stock

$1.64

$1.57

$1.43

$1.35

View

Min.: 1
Mult.: 1

Varistors 25VAC 10% 7mm StandarD

B72207S0250K211
TDK
1: $0.32
22,906In Stock

Mfr. Part No.
B72207S0250K211

Mouser Part No
871-B72207S0250K211

TDK

Varistors 25VAC 10% 7mm StandarD

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Datasheet

22,906In Stock

Cut Tape

$0.32

$0.195

$0.168

$0.155

Reel

$0.125

View

Min.: 1
Mult.: 1

: 1,500

Varistors 11VAC 10% 10mm StandarD

B72210S0110K101
TDK
1: $0.37
14,387In Stock

Mfr. Part No.
B72210S0110K101

Mouser Part No
871-B72210S110K101

TDK

Varistors 11VAC 10% 10mm StandarD

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Datasheet

14,387In Stock

$0.37

$0.228

$0.197

$0.196

View

Min.: 1
Mult.: 1

Varistors 14VAC 10% 10mm AEC-Q200

B72210S1140K102
TDK
1: $0.82
8,241In Stock

Mfr. Part No.
B72210S1140K102

Mouser Part No
871-B72210S1140K102

TDK

Varistors 14VAC 10% 10mm AEC-Q200

Learn More

Datasheet

8,241In Stock

$0.82

$0.529

$0.465

$0.434

View

Min.: 1
Mult.: 1

Varistors 550VAC 10% 14mm MP AdvanceD

B72214P2551K101
TDK
1: $1.13
3,322In Stock

Mfr. Part No.
B72214P2551K101

Mouser Part No
871-B72214P2551K101

TDK

Varistors 550VAC 10% 14mm MP AdvanceD

Datasheet

3,322In Stock

$1.13

$0.818

$0.741

$0.623

View

Min.: 1
Mult.: 1

Varistors 350VAC 10% 14mm StandarD

B72214S0351K103
TDK
1: $0.46
8,788In Stock

Mfr. Part No.
B72214S0351K103

Mouser Part No
871-B72214S0351K103

TDK

Varistors 350VAC 10% 14mm StandarD

Datasheet

8,788In Stock

$0.46

$0.29

$0.252

$0.234

View

Min.: 1
Mult.: 1

Varistors 20VAC 10% 14mm StandarD

B72214S0200K101
TDK
1: $0.29
13,021In Stock

Mfr. Part No.
B72214S0200K101

Mouser Part No
871-B72214S200K101

TDK

Varistors 20VAC 10% 14mm StandarD

Learn More

Datasheet

13,021In Stock

$0.29

$0.20

$0.199

$0.184

$0.183

Min.: 1
Mult.: 1

Varistors 20VAC 10% 20mm StandarD

B72220S0200K131
TDK
1: $1.04
4,564In Stock

Mfr. Part No.
B72220S0200K131

Mouser Part No
871-B72220S0200K131

TDK

Varistors 20VAC 10% 20mm StandarD

Learn More

Datasheet

4,564In Stock

Cut Tape

$1.04

$0.678

$0.597

$0.559

Reel

$0.509

View

Min.: 1
Mult.: 1

: 500

Varistors 26 VDC .7J 54V-CL 200A PK

B72520T200K62
TDK
1: $1.08
10,192In Stock

Mfr. Part No.
B72520T200K62

Mouser Part No
871-B72520T200K62

TDK

Varistors 26 VDC .7J 54V-CL 200A PK

Datasheet

10,192In Stock

Cut Tape

$1.08

$0.654

$0.417

$0.37

Reel

$0.21

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors 85 VDC .7J 165V-CL 100A PK

B72520T600K62
TDK
1: $0.51
15,914In Stock

Mfr. Part No.
B72520T600K62

Mouser Part No
871-B72520T600K62

TDK

Varistors 85 VDC .7J 165V-CL 100A PK

Learn More

Datasheet

15,914In Stock

Cut Tape

$0.51

$0.32

$0.278

$0.258

Reel

$0.216

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Varistors 1210 6V 300A 4000pF

B72530T0060M062
TDK
1: $0.60
8,791In Stock
6,000On Order

Mfr. Part No.
B72530T0060M062

Mouser Part No
871-B72530T60M62

TDK

Varistors 1210 6V 300A 4000pF

Learn More

Datasheet

8,791In Stock

6,000On Order

Cut Tape

$0.60

$0.381

$0.333

$0.309

Reel

$0.255

View

Min.: 1
Mult.: 1

: 3,000

Varistors 35VAC 10% 3225mm

B72650M0350K072
TDK
1: $0.79
4,771In Stock

Mfr. Part No.
B72650M0350K072

Mouser Part No
871-B72650M0350K072

TDK

Varistors 35VAC 10% 3225mm

Learn More

Datasheet

4,771In Stock

Cut Tape

$0.79

$0.507

$0.444

$0.415

Reel

$0.362

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors 95VAC 10% 4032mm

B72660M0950K072
TDK
1: $0.96
3,242In Stock

Mfr. Part No.
B72660M0950K072

Mouser Part No
871-B72660M0950K072

TDK

Varistors 95VAC 10% 4032mm

Learn More

Datasheet

3,242In Stock

$0.96

$0.623

$0.548

$0.513

View

Min.: 1
Mult.: 1

Circuit Protection

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