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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 #

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

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Reel

Rp5.174

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Surface Mount Fuses 6A 50V TIME DELAY

SF-0603SP600-2
Bourns
1: Rp13.943
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

Rp13.943

Rp10.512

Rp9.210

Rp8.091

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Reel

Rp5.174

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

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

SF-0603SPA500R-2
Bourns
1: Rp19.447
4.286In 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

4.286In Stock

Cut Tape

Rp19.447

Rp15.521

Rp13.062

Rp11.338

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Reel

Rp6.953

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

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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

Rp7.981

Rp5.394

Rp4.146

Reel

Rp3.045

View

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Thyristor Surge Protection Devices - TSPD Very Low Voltage Bidirectional

TISP4040L1BJR-S
Bourns
1: Rp12.292
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

Rp12.292

Rp8.861

Rp5.540

Rp4.293

Reel

Rp3.339

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
13.541In 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

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Datasheet

13.541In 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

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Datasheet

9.507In Stock

Cut Tape

Rp14.310

Rp6.971

Rp5.687

Rp2.917

Reel

Rp2.734

MouseReel Available

Min.: 1
Mult.: 1

: 750

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

103JG1KE
Littelfuse
1: Rp5.320
12.642In Stock

Mfr. Part No.
103JG1KE

Mouser Part No
803-103JG1KE

Littelfuse

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

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Datasheet

12.642In Stock

Cut Tape

Rp5.320

Rp4.898

Rp4.311

Rp4.110

View

Reel

Rp2.605

Min.: 1
Mult.: 1

: 5.000

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603

PRF18BB471QS5RB
Murata Electronics
1: Rp8.439
7.307In Stock

Mfr. Part No.
PRF18BB471QS5RB

Mouser Part No
81-PRF18BB471QS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603

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Datasheet

7.307In Stock

Cut Tape

Rp8.439

Rp7.870

Rp7.338

Rp6.971

View

Reel

Rp4.531

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

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

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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

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

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Datasheet

6.182In Stock

Cut Tape

Rp10.457

Rp9.815

Rp9.173

Rp8.733

View

Reel

Rp5.816

MouseReel Available

Min.: 1
Mult.: 1

: 15.000

Triacs Triacs

2N6349AG
Littelfuse
1: Rp46.966
2.182In Stock

Mfr. Part No.
2N6349AG

Mouser Part No
863-2N6349AG

Littelfuse

Triacs Triacs

Datasheet

2.182In Stock

Cut Tape

Rp46.966

Rp32.106

Rp23.299

Rp20.731

Reel

Rp20.731

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

Rp36.509

Reel

Rp36.509

Min.: 1
Mult.: 1

: 1.000

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

BTA16-800CW3G
Littelfuse
1: Rp95.032
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

Rp95.032

Rp50.085

Rp47.149

Min.: 1
Mult.: 1

Triacs Triacs

MAC15A8G
Littelfuse
1: Rp57.790
1.482In Stock

Mfr. Part No.
MAC15A8G

Mouser Part No
863-MAC15A8G

Littelfuse

Triacs Triacs

Datasheet

1.482In Stock

Cut Tape

Rp57.790

Rp35.041

Rp26.969

Rp25.684

Reel

Rp25.684

Min.: 1
Mult.: 1

: 1.000

Inrush Current Limiters 5OHMS 5A 330UF RMIN@IMAX 0.13OHMS

B57211P0120M301
TDK
1: Rp17.979
6.118In Stock

Mfr. Part No.
B57211P0120M301

Mouser Part No
871-B57211P0120M301

TDK

Inrush Current Limiters 5OHMS 5A 330UF RMIN@IMAX 0.13OHMS

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Datasheet

6.118In Stock

Rp17.979

Rp16.493

Rp13.686

Rp12.640

View

Min.: 1
Mult.: 1

Inrush Current Limiters INRUSH CURRENT LIMIT

B57236S0259M000
TDK
1: Rp19.447
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

Rp19.447

Rp17.796

Rp14.769

Rp13.631

View

Min.: 1
Mult.: 1

Inrush Current Limiters S 236/80 M51

B57236S0800M051
TDK
1: Rp19.997
2.968In Stock

Mfr. Part No.
B57236S0800M051

Mouser Part No
871-B57236S0800M051

TDK

Inrush Current Limiters S 236/80 M51

Learn More

Datasheet

2.968In Stock

Cut Tape

Rp19.997

Rp18.529

Rp15.246

Rp14.071

View

Reel

Rp9.265

Min.: 1
Mult.: 1

: 3.000

Inrush Current Limiters S 238/10 M51

B57238S0100M051
TDK
1: Rp24.951
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

Rp24.951

Rp23.116

Rp19.080

Rp17.575

Reel

Rp13.429

View

Min.: 1
Mult.: 1

: 1.000

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

B57442V5103J062
TDK
1: Rp8.256
27.721In Stock
21.000Expected 15/02/2027

Mfr. Part No.
B57442V5103J062

Mouser Part No
871-B57442V5103J62

TDK

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

Learn More

Datasheet

27.721In Stock

21.000Expected 15/02/2027

Cut Tape

Rp8.256

Rp7.815

Rp6.935

Rp6.238

Reel

Rp4.697

View

Min.: 1
Mult.: 1

: 3.000

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

B57524K0104A005
TDK
1: Rp121.634
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

Learn More

Datasheet

340In Stock

Rp121.634

Rp109.526

Rp105.123

Rp99.802

View

Min.: 1
Mult.: 1

Varistors 140VAC 10% 10mm AdvanceD

B72210S2141K101
TDK
1: Rp7.889
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

Rp7.889

Rp4.953

Rp4.293

Rp3.981

View

Min.: 1
Mult.: 1

Varistors 300VAC 10% 14mm StandarD

B72214S0301K551
TDK
1: Rp9.540
9.470In Stock

Mfr. Part No.
B72214S0301K551

Mouser Part No
871-B72214S0301K551

TDK

Varistors 300VAC 10% 14mm StandarD

Learn More

Datasheet

9.470In Stock

Cut Tape

Rp9.540

Rp5.944

Rp5.155

Rp4.788

Reel

Rp3.724

View

Min.: 1
Mult.: 1

: 4.800

Circuit Protection

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