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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Part #

Thermal Cut-offs TRIP TEMP 77C 5C TOL

LC77AY-1
Bourns
1: Rp19.080
7.547In Stock

Mfr. Part No.
LC77AY-1

Mouser Part No
652-LC77AY-1

Bourns

Thermal Cut-offs TRIP TEMP 77C 5C TOL

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Datasheet

7.547In Stock

Rp19.080

Rp18.034

Rp16.915

Rp16.144

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/6V

MF-LSMF330X-2
Bourns
1: Rp13.760
8.916In Stock

Mfr. Part No.
MF-LSMF330X-2

Mouser Part No
652-MF-LSMF330X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/6V

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Datasheet

8.916In Stock

Cut Tape

Rp13.760

Rp10.549

Rp9.888

Rp7.467

View

Reel

Rp5.522

MouseReel Available

Min.: 1
Mult.: 1

: 6.000

Resettable Fuses - PPTC PTC 2.5A 30V RADIAL LEADED UNCOATED

MF-R250U
Bourns
1: Rp8.806
7.525In Stock

Mfr. Part No.
MF-R250U

Mouser Part No
652-MF-R250U

Bourns

Resettable Fuses - PPTC PTC 2.5A 30V RADIAL LEADED UNCOATED

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Datasheet

7.525In Stock

Rp8.806

Rp8.109

Rp5.265

Rp4.898

View

Min.: 1
Mult.: 1

Varistors PV 140V 10%

PV140K4032R2
Bourns
1: Rp15.227
4.661In Stock

Mfr. Part No.
PV140K4032R2

Mouser Part No
652-PV140K4032R2

Bourns

Varistors PV 140V 10%

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Datasheet

4.661In Stock

Cut Tape

Rp15.227

Rp9.613

Rp8.531

Rp7.962

Reel

Rp7.320

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Varistors PV 275V 10%

PV275K4032R2
Bourns
1: Rp13.026
6.863In Stock

Mfr. Part No.
PV275K4032R2

Mouser Part No
652-PV275K4032R2

Bourns

Varistors PV 275V 10%

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Datasheet

6.863In Stock

Cut Tape

Rp13.026

Rp8.824

Rp7.925

Rp7.320

Reel

Rp7.320

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Thermal Cut-offs HC TCO 77C BL-51

SA77SB0
Bourns
1: Rp16.328
23.117In Stock

Mfr. Part No.
SA77SB0

Mouser Part No
652-SA77SB0

Bourns

Thermal Cut-offs HC TCO 77C BL-51

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Datasheet

23.117In Stock

Cut Tape

Rp16.328

Rp15.356

Rp14.383

Rp13.723

View

Reel

Rp9.008

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Thermal Cut-offs 72C Reinforced Cover SMD HC TCO

SC72AAA
Bourns
1: Rp20.181
4.469In Stock

Mfr. Part No.
SC72AAA

Mouser Part No
652-SC72AAA

Bourns

Thermal Cut-offs 72C Reinforced Cover SMD HC TCO

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Datasheet

4.469In Stock

Cut Tape

Rp20.181

Rp18.052

Rp17.722

Rp16.089

View

Reel

Rp11.595

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Surface Mount Fuses 4A Fast Acting 0603 SinglFuse

SF-0603F400-2
Bourns
1: Rp10.274
21.750In Stock

Mfr. Part No.
SF-0603F400-2

Mouser Part No
652-SF-0603F400-2

Bourns

Surface Mount Fuses 4A Fast Acting 0603 SinglFuse

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Datasheet

21.750In Stock

Cut Tape

Rp10.274

Rp8.971

Rp7.870

Rp7.265

View

Reel

Rp4.623

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Surface Mount Fuses 1A 32V TIME DELAY

SF-0603SP100-2
Bourns
1: Rp13.943
15.687In Stock

Mfr. Part No.
SF-0603SP100-2

Mouser Part No
652-SF-0603SP100-2

Bourns

Surface Mount Fuses 1A 32V TIME DELAY

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Datasheet

15.687In Stock

Cut Tape

Rp13.943

Rp11.081

Rp9.338

Rp8.201

View

Reel

Rp5.174

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Surface Mount Fuses 1.6A 32V TIME DELAY

SF-0603SP160-2
Bourns
1: Rp13.943
18.045In Stock

Mfr. Part No.
SF-0603SP160-2

Mouser Part No
652-SF-0603SP160-2

Bourns

Surface Mount Fuses 1.6A 32V TIME DELAY

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Datasheet

18.045In Stock

Cut Tape

Rp13.943

Rp11.081

Rp9.338

Rp8.201

View

Reel

Rp5.174

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Surface Mount Fuses 6A 50V TIME DELAY

SF-0603SP600-2
Bourns
1: Rp11.191
13.405In Stock

Mfr. Part No.
SF-0603SP600-2

Mouser Part No
652-SF-0603SP600-2

Bourns

Surface Mount Fuses 6A 50V TIME DELAY

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Datasheet

13.405In Stock

Cut Tape

Rp11.191

Rp8.751

Rp7.870

Rp7.082

View

Reel

Rp5.082

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Surface Mount Fuses 0603 time-lag met-foil. 5A Auto

SF-0603SPA500R-2
Bourns
1: Rp25.684
4.227In Stock

Mfr. Part No.
SF-0603SPA500R-2

Mouser Part No
652-SF-0603SPA500R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 5A Auto

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Datasheet

4.227In Stock

Cut Tape

Rp25.684

Rp19.630

Rp16.328

Rp15.080

View

Reel

Rp9.503

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Surface Mount Fuses 1206 slow-blow met-foil. 15A Auto

SF-1206SA1500R-2
Bourns
1: Rp17.979
7.076In Stock

Mfr. Part No.
SF-1206SA1500R-2

Mouser Part No
652-SF-1206SA1500R-2

Bourns

Surface Mount Fuses 1206 slow-blow met-foil. 15A Auto

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Datasheet

7.076In Stock

Cut Tape

Rp17.979

Rp14.292

Rp12.035

Rp10.457

View

Reel

Rp6.403

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

TISP4030L1AJR-S
Bourns
1: Rp14.677
19.296In Stock

Mfr. Part No.
TISP4030L1AJR-S

Mouser Part No
652-TISP4030L1AJR-S

Bourns

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

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Datasheet

19.296In Stock

Cut Tape

Rp14.677

Rp6.421

Rp4.587

Rp3.743

Reel

Rp2.954

View

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

TISP4040L1BJR-S
Bourns
1: Rp10.641
23.147In Stock

Mfr. Part No.
TISP4040L1BJR-S

Mouser Part No
652-TISP4040L1BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

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Datasheet

23.147In Stock

Cut Tape

Rp10.641

Rp7.742

Rp5.008

Rp3.981

Reel

Rp3.339

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

TISP4125H3BJR-S
Bourns
1: Rp26.602
11.353In Stock

Mfr. Part No.
TISP4125H3BJR-S

Mouser Part No
652-TISP4125H3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

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Datasheet

11.353In Stock

Cut Tape

Rp26.602

Rp16.456

Rp10.842

Rp8.494

Reel

Rp6.623

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

PTC (Positive Temperature Coefficient) Thermistors PTC 3.3Kohms 1% Linear

TFPT0805L3301FM
Vishay / Dale
1: Rp23.299
4.810In Stock

Mfr. Part No.
TFPT0805L3301FM

Mouser Part No
71-TFPT0805L3301FM

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 3.3Kohms 1% Linear

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Datasheet

4.810In Stock

Cut Tape

Rp23.299

Rp17.447

Rp13.961

Rp13.136

View

Reel

Rp9.118

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 12V 1000W UniDir TransZorb 5% Tol

SMBJ12A-M3/5B
Vishay Semiconductors
1: Rp11.741
13.441In Stock

Mfr. Part No.
SMBJ12A-M3/5B

Mouser Part No
78-SMBJ12A-M35B

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 12V 1000W UniDir TransZorb 5% Tol

Learn More

Datasheet

13.441In Stock

Cut Tape

Rp11.741

Rp5.687

Rp4.623

Rp3.779

Reel

Rp2.679

View

Min.: 1
Mult.: 1

: 3.200

ESD Protection Diodes / TVS Diodes 24V 600W Bidir TransZorb 3.5% Tol

SMBJ24CD-M3/H
Vishay Semiconductors
1: Rp14.310
9.507In Stock

Mfr. Part No.
SMBJ24CD-M3/H

Mouser Part No
78-SMBJ24CD-M3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 24V 600W Bidir TransZorb 3.5% Tol

Learn More

Datasheet

9.507In Stock

Cut Tape

Rp14.310

Rp6.953

Rp5.687

Rp2.917

Reel

Rp2.568

MouseReel Available

Min.: 1
Mult.: 1

: 750

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 10% DO-35

103JG1KE
Littelfuse
1: Rp5.320
12.639In Stock

Mfr. Part No.
103JG1KE

Mouser Part No
803-103JG1KE

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 10% DO-35

Learn More

Datasheet

12.639In Stock

Cut Tape

Rp5.320

Rp4.898

Rp4.311

Rp4.110

View

Reel

Rp2.550

Min.: 1
Mult.: 1

: 5.000

Varistors 0402 39V 1.1 pF

AVRL101A1R1NTB
TDK
1: Rp15.594
18.763In Stock

Mfr. Part No.
AVRL101A1R1NTB

Mouser Part No
810-AVRL101A1R1NTB

TDK

Varistors 0402 39V 1.1 pF

Learn More

Datasheet

18.763In Stock

Cut Tape

Rp15.594

Rp9.962

Rp8.751

Rp8.164

View

Reel

Rp6.238

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Varistors 0805 40VDC 250pF 10% AEC-Q200

AVRM2012C560KT251M
TDK
1: Rp4.953
35.745In Stock

Mfr. Part No.
AVRM2012C560KT251M

Mouser Part No
810-AVRM2012C560KT25

TDK

Varistors 0805 40VDC 250pF 10% AEC-Q200

Learn More

Datasheet

35.745In Stock

Cut Tape

Rp4.953

Rp3.009

Rp2.605

Rp2.385

Reel

Rp1.963

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, NTC 10K OHM, 3%, 0201

NTCG063JH103HTB
TDK
1: Rp10.457
6.182In Stock

Mfr. Part No.
NTCG063JH103HTB

Mouser Part No
810-NTCG063JH103HT1

TDK

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, NTC 10K OHM, 3%, 0201

Learn More

Datasheet

6.182In Stock

Cut Tape

Rp10.457

Rp9.815

Rp9.173

Rp8.714

View

Reel

Rp5.761

MouseReel Available

Min.: 1
Mult.: 1

: 15.000

Triacs Triacs

2N6349AG
Littelfuse
1: Rp41.279
2.176In Stock

Mfr. Part No.
2N6349AG

Mouser Part No
863-2N6349AG

Littelfuse

Triacs Triacs

Datasheet

2.176In Stock

Cut Tape

Rp41.279

Rp28.987

Rp21.465

Rp20.364

Reel

Rp20.364

Min.: 1
Mult.: 1

: 1.000

SCRs 400V 25A

2N6507G
Littelfuse
1: Rp78.521
2.580In Stock

Mfr. Part No.
2N6507G

Mouser Part No
863-2N6507G

Littelfuse

SCRs 400V 25A

Datasheet

2.580In Stock

Cut Tape

Rp78.521

Rp52.103

Rp37.059

Rp35.775

Reel

Rp35.775

Min.: 1
Mult.: 1

: 1.000

Circuit Protection

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