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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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Types of Circuit Protection

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Part #

Triacs 16A 35mA 800V IGT 3 QUAD INTERNL ISLTD

BTA16-800CW3G
Littelfuse
1: $7.04
1,281In Stock

Mfr. Part No.
BTA16-800CW3G

Mouser Part No
863-BTA16-800CW3G

Littelfuse

Triacs 16A 35mA 800V IGT 3 QUAD INTERNL ISLTD

Datasheet

1,281In Stock

$7.04

$3.71

$3.50

Min.: 1
Mult.: 1

Triacs Triacs

MAC15A8G
Littelfuse
1: $4.28
1,482In Stock

Mfr. Part No.
MAC15A8G

Mouser Part No
863-MAC15A8G

Littelfuse

Triacs Triacs

Datasheet

1,482In Stock

Cut Tape

$4.28

$2.60

$2.00

$1.90

Reel

$1.90

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiters INRUSH CURRENT LIMIT

B57236S0259M000
TDK
1: $1.44
4,760In Stock

Mfr. Part No.
B57236S0259M000

Mouser Part No
871-B57236S0259M000

TDK

Inrush Current Limiters INRUSH CURRENT LIMIT

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Datasheet

4,760In Stock

$1.44

$1.32

$1.09

$1.01

View

Min.: 1
Mult.: 1

Inrush Current Limiters S 236/80 M51

B57236S0800M051
TDK
1: $1.48
2,968In Stock

Mfr. Part No.
B57236S0800M051

Mouser Part No
871-B57236S0800M051

TDK

Inrush Current Limiters S 236/80 M51

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Datasheet

2,968In Stock

Cut Tape

$1.48

$1.37

$1.13

$1.04

View

Reel

$0.687

Min.: 1
Mult.: 1

: 3,000

Inrush Current Limiters S 238/10 M51

B57238S0100M051
TDK
1: $1.85
2,187In Stock

Mfr. Part No.
B57238S0100M051

Mouser Part No
871-B57238S0100M051

TDK

Inrush Current Limiters S 238/10 M51

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Datasheet

2,187In Stock

Cut Tape

$1.85

$1.71

$1.41

$1.30

Reel

$0.996

View

Min.: 1
Mult.: 1

: 1,000

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 0805 10K J62 B-3650

B57442V5103J062
TDK
1: $0.612
28,474In Stock
21,000Expected 15/2/2027

Mfr. Part No.
B57442V5103J062

Mouser Part No
871-B57442V5103J62

TDK

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 0805 10K J62 B-3650

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Datasheet

28,474In Stock

21,000Expected 15/2/2027

Cut Tape

$0.612

$0.579

$0.514

$0.462

Reel

$0.348

View

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors 1307ohm 4036 2% 50mW Probe K524/100k/A005

B57524K0104A005
TDK
1: $9.02
340In Stock

Mfr. Part No.
B57524K0104A005

Mouser Part No
871-B57524K0104A005

TDK

NTC (Negative Temperature Coefficient) Thermistors 1307ohm 4036 2% 50mW Probe K524/100k/A005

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Datasheet

340In Stock

$9.02

$8.12

$7.79

$7.40

View

Min.: 1
Mult.: 1

Varistors 140VAC 10% 10mm AdvanceD

B72210S2141K101
TDK
1: $0.585
9,668In Stock

Mfr. Part No.
B72210S2141K101

Mouser Part No
871-B72210S2141K101

TDK

Varistors 140VAC 10% 10mm AdvanceD

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Datasheet

9,668In Stock

$0.585

$0.367

$0.318

$0.295

View

Min.: 1
Mult.: 1

Varistors 300VAC 10% 14mm StandarD

B72214S0301K551
TDK
1: $0.707
9,470In Stock

Mfr. Part No.
B72214S0301K551

Mouser Part No
871-B72214S0301K551

TDK

Varistors 300VAC 10% 14mm StandarD

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Datasheet

9,470In Stock

Cut Tape

$0.707

$0.441

$0.382

$0.355

Reel

$0.276

View

Min.: 1
Mult.: 1

: 4,800

Varistors 420VAC 10% 20mm SuperioR MP

B72220P3421K101
TDK
1: $2.05
15,549In Stock

Mfr. Part No.
B72220P3421K101

Mouser Part No
871-B72220P3421K101

TDK

Varistors 420VAC 10% 20mm SuperioR MP

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Datasheet

15,549In Stock

$2.05

$1.51

$1.40

$1.21

View

Min.: 1
Mult.: 1

Varistors 680VAC 10% 20mm SuperioR MP

B72220P3681K101
TDK
1: $2.92
8,000In Stock

Mfr. Part No.
B72220P3681K101

Mouser Part No
871-B72220P3681K101

TDK

Varistors 680VAC 10% 20mm SuperioR MP

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Datasheet

8,000In Stock

$2.92

$1.99

$1.77

$1.65

View

Min.: 1
Mult.: 1

Varistors 130VAC 10% 20mm StandarD

B72220S0131K101
TDK
1: $0.979
6,883In Stock

Mfr. Part No.
B72220S0131K101

Mouser Part No
871-B72220S131K101

TDK

Varistors 130VAC 10% 20mm StandarD

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Datasheet

6,883In Stock

$0.979

$0.676

$0.604

$0.574

View

Min.: 1
Mult.: 1

Varistors 320VAC 10% 20mm StandarD

B72220S0321K101
TDK
1: $0.87
45,221In Stock

Mfr. Part No.
B72220S0321K101

Mouser Part No
871-B72220S321K101

TDK

Varistors 320VAC 10% 20mm StandarD

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Datasheet

45,221In Stock

$0.87

$0.567

$0.442

$0.373

View

Min.: 1
Mult.: 1

Varistors 1206 14Vrms 1.0A

B72520E1140S262
TDK
1: $0.789
6,246In Stock

Mfr. Part No.
B72520E1140S262

Mouser Part No
871-B72520E1140S262

TDK

Varistors 1206 14Vrms 1.0A

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Datasheet

6,246In Stock

Cut Tape

$0.789

$0.502

$0.437

$0.405

View

Reel

$0.318

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors 1210 14V 400A 2000pF

B72530T0140K062
TDK
1: $0.87
45,718In Stock

Mfr. Part No.
B72530T0140K062

Mouser Part No
871-B72530T140K62

TDK

Varistors 1210 14V 400A 2000pF

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Datasheet

45,718In Stock

Cut Tape

$0.87

$0.549

$0.48

$0.446

View

Reel

$0.351

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors 1210 36VDC 5000pF 1500A

B72530T6250K062
TDK
1: $2.87
21,177In Stock

Mfr. Part No.
B72530T6250K062

Mouser Part No
871-B72530T6250K062

TDK

Varistors 1210 36VDC 5000pF 1500A

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Datasheet

21,177In Stock

Cut Tape

$2.87

$1.77

$1.22

$1.14

Reel

$0.751

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Varistors Chip Varistors / Ceramic Transient Voltage Suppressors, Maximum continuous voltage=150V, Maximum Clamping Voltage (8/20 s)=360V

B72580T6111K072
TDK
1: $1.29
17,178In Stock

Mfr. Part No.
B72580T6111K072

Mouser Part No
871-B72580T6111K72

TDK

Varistors Chip Varistors / Ceramic Transient Voltage Suppressors, Maximum continuous voltage=150V, Maximum Clamping Voltage (8/20 s)=360V

Learn More

Datasheet

17,178In Stock

Cut Tape

$1.29

$0.836

$0.734

$0.687

Reel

$0.541

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T90-A230X

B88069X6700C253
TDK
1: $5.02
2,386In Stock

Mfr. Part No.
B88069X6700C253

Mouser Part No
871-B88069X6700C253

TDK

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T90-A230X

Datasheet

2,386In Stock

$5.02

$4.22

$3.30

$2.94

View

Min.: 1
Mult.: 1

Circuit Breakers Cir Brkr Hyd Mag

IELHK11-1REC4-62-30.0-E-01-V
AIRPAX
1: $239.77
12In Stock

Mfr. Part No.
IELHK11-1REC4-62-30.0-E-01-V

Mouser Part No
874-HK111REC46230E1V

AIRPAX

Circuit Breakers Cir Brkr Hyd Mag

Datasheet

12In Stock

$239.77

$209.43

$209.41

$145.56

View

Min.: 1
Mult.: 1

Circuit Breakers Cir Brkr Hyd Mag

IULNK1-1-51-7.00-K
AIRPAX
1: $129.66
14In Stock

Mfr. Part No.
IULNK1-1-51-7.00-K

Mouser Part No
874-IULNK11517K

AIRPAX

Circuit Breakers Cir Brkr Hyd Mag

Datasheet

14In Stock

$129.66

$113.25

$78.68

$69.16

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 300W TVS 12V 7"RL

SMS12.TCT
Semtech
1: $2.90
5,099In Stock

Mfr. Part No.
SMS12.TCT

Mouser Part No
947-SMS12.TCT

Semtech

ESD Protection Diodes / TVS Diodes 300W TVS 12V 7"RL

Learn More

Datasheet

5,099In Stock

Cut Tape

$2.90

$1.39

$1.12

$0.975

Reel

$0.824

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W,Transient Voltage Suppressors,SMC,28V,UNI

1.5SMCJ28AS_R1_00001
Panjit
1: $1.21
17,025In Stock

Mfr. Part No.
1.5SMCJ28AS_R1_00001

Mouser Part No
241-15SMCJ28ASR10000

Panjit

ESD Protection Diodes / TVS Diodes 1500W,Transient Voltage Suppressors,SMC,28V,UNI

Datasheet

17,025In Stock

Cut Tape

$1.21

$0.589

$0.486

$0.371

Reel

$0.284

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ

2-5700-IG1-K10-38A
E-T-A
1: $58.40
71In Stock

Mfr. Part No.
2-5700-IG1-K10-38A

Mouser Part No
457-25700IG1K1038A

E-T-A

Datasheet

71In Stock

$58.40

$49.97

$46.48

$41.71

View

Min.: 1
Mult.: 1

Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot

3120-N321-P7T1-W02D-10A
E-T-A
1: $60.44
114In Stock

Mfr. Part No.
3120-N321-P7T1-W02D-10A

Mouser Part No
457-N321P7T1W02D10

E-T-A

Learn More

Datasheet

114In Stock

$60.44

$50.16

$44.61

$38.13

View

Min.: 1
Mult.: 1

Industrial Surge Protectors III R 230V/6KV AC

1351650000
Weidmuller
1: $158.98
20In Stock

Mfr. Part No.
1351650000

Mouser Part No
470-1351650000

Weidmuller

Industrial Surge Protectors III R 230V/6KV AC

Learn More

Datasheet

20In Stock

$158.98

$147.68

$125.66

$123.57

Min.: 1
Mult.: 1

Circuit Protection

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