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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: 361,799

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Download Table (.CSV)

Part #

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

IsoM5-380-B-L2
Bourns
1: €2.18
4,092In Stock

Mfr. Part No.
IsoM5-380-B-L2

Mouser Part No
652-ISOM5-380-B-L2

Bourns

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

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Datasheet

4,092In Stock

€2.18

€1.38

€1.17

€0.929

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC RESETTABLE 0.25A 6V SMD 0603

MF-FSMF025X-2
Bourns
1: €0.464
15,764In Stock

Mfr. Part No.
MF-FSMF025X-2

Mouser Part No
652-MF-FSMF025X-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.25A 6V SMD 0603

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Datasheet

15,764In Stock

Cut Tape

€0.464

€0.353

€0.331

€0.25

View

Reel

€0.191

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/15V

MF-LSMF185X-2
Bourns
1: €0.611
8,923In Stock

Mfr. Part No.
MF-LSMF185X-2

Mouser Part No
652-MF-LSMF185X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/15V

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Datasheet

8,923In Stock

Cut Tape

€0.611

€0.508

€0.458

€0.38

View

Reel

€0.264

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC 30V 200MA-HD 20A MAX

MF-NSHT020KX-2
Bourns
1: €0.464
9,935In Stock

Mfr. Part No.
MF-NSHT020KX-2

Mouser Part No
652-MF-NSHT020KX-2

Bourns

Resettable Fuses - PPTC 30V 200MA-HD 20A MAX

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Datasheet

9,935In Stock

Cut Tape

€0.464

€0.353

€0.331

€0.25

Reel

€0.181

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 16V 50MA-HD 40A MAX

MF-PSHT005KX-2
Bourns
1: €0.43
10,184In Stock

Mfr. Part No.
MF-PSHT005KX-2

Mouser Part No
652-MF-PSHT005KX-2

Bourns

Resettable Fuses - PPTC 16V 50MA-HD 40A MAX

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Datasheet

10,184In Stock

Cut Tape

€0.43

€0.325

€0.304

€0.23

Reel

€0.167

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 16V 100MA-HD 40A MAX

MF-PSHT010KX-2
Bourns
1: €0.327
13,138In Stock

Mfr. Part No.
MF-PSHT010KX-2

Mouser Part No
652-MF-PSHT010KX-2

Bourns

Resettable Fuses - PPTC 16V 100MA-HD 40A MAX

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Datasheet

13,138In Stock

Cut Tape

€0.327

€0.297

€0.246

€0.227

View

Reel

€0.172

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC RESETTABLE 0.12A 240V RADIAL LEADED

MF-RM012/240-2
Bourns
1: €0.542
8,654In Stock

Mfr. Part No.
MF-RM012/240-2

Mouser Part No
652-MF-RM012/240-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.12A 240V RADIAL LEADED

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Datasheet

8,654In Stock

Cut Tape

€0.542

€0.475

€0.426

€0.37

View

Reel

€0.281

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC PTC RESETTABLE 1.85A 72V RADIAL LEADED

MF-RX185/72-2-14
Bourns
1: €0.464
8,660In Stock

Mfr. Part No.
MF-RX185/72-2-14

Mouser Part No
652-MF-RX185/72-2-14

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 1.85A 72V RADIAL LEADED

Learn More

Datasheet

8,660In Stock

Cut Tape

€0.464

€0.423

€0.351

€0.324

Reel

€0.217

View

Min.: 1
Mult.: 1

: 3,000

Varistors ZV 50V 10%

ZV50K2220801NIR1HT
Bourns
1: €0.963
5,979In Stock

Mfr. Part No.
ZV50K2220801NIR1HT

Mouser Part No
652-ZV50K2220801NIRH

Bourns

Varistors ZV 50V 10%

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Datasheet

5,979In Stock

Cut Tape

€0.963

€0.626

€0.553

€0.519

€0.501

Reel

€0.425

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 480V Delta,3P

DS43S-480
Citel
1: €237.25
14In Stock

Mfr. Part No.
DS43S-480

Mouser Part No
703-DS43S-480

Citel

Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 480V Delta,3P

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Datasheet

14In Stock

€237.25

€230.06

€205.36

€205.33

View

Min.: 1
Mult.: 1

Surface Mount Fuses 32V 3.0A Fast Act

MFU0603FF03000P100
Vishay / Beyschlag
1: €3.11
7,159In Stock
2,000On Order

Mfr. Part No.
MFU0603FF03000P100

Mouser Part No
71-MFU0603FF03000P10

Vishay / Beyschlag

Surface Mount Fuses 32V 3.0A Fast Act

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Datasheet

7,159In Stock

2,000On Order

Cut Tape

€3.11

€2.88

€2.64

€2.15

View

Reel

€1.31

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

ESD Protection Diodes / TVS Diodes TVS ARRAY4 ELMNTS

RSA6.1J4T2R
ROHM Semiconductor
1: €0.344
13,269In Stock

Mfr. Part No.
RSA6.1J4T2R

Mouser Part No
755-RSA6.1J4T2R

ROHM Semiconductor

ESD Protection Diodes / TVS Diodes TVS ARRAY4 ELMNTS

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Datasheet

13,269In Stock

Cut Tape

€0.344

€0.234

€0.144

€0.114

View

Reel

€0.094

MouseReel Available

Min.: 1
Mult.: 1

: 8,000

ESD Protection Diodes / TVS Diodes RASMID™ Series - Transient Voltage Suppressor

VS4V5BU1QST18R
ROHM Semiconductor
1: €0.232
36,415In Stock

Mfr. Part No.
VS4V5BU1QST18R

Mouser Part No
755-VS4V5BU1QST18R

ROHM Semiconductor

ESD Protection Diodes / TVS Diodes RASMID™ Series - Transient Voltage Suppressor

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Datasheet

36,415In Stock

Cut Tape

€0.232

€0.157

€0.06

€0.059

View

Reel

€0.051

MouseReel Available

Min.: 1
Mult.: 1

: 18,000

ESD Protection Diodes / TVS Diodes ESD SUPPRESSORS/TVS DIODES

GMF05C-HSF-GS08
Vishay Semiconductors
1: €0.705
55,717In Stock

Mfr. Part No.
GMF05C-HSF-GS08

Mouser Part No
78-GMF05C-HSF-GS08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD SUPPRESSORS/TVS DIODES

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Datasheet

55,717In Stock

Cut Tape

€0.705

€0.436

€0.281

€0.214

Reel

€0.172

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 8W,43V 5%,SMD PAR AEC-Q101 Qualified

SM8S43AHE3_A/I
Vishay Semiconductors
1: €4.10
2,099In Stock

Mfr. Part No.
SM8S43AHE3_A/I

Mouser Part No
78-SM8S43AHE3_A/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 8W,43V 5%,SMD PAR AEC-Q101 Qualified

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Datasheet

2,099In Stock

Cut Tape

€4.10

€2.71

€2.16

€1.57

Reel

€1.57

€1.53

MouseReel Available

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 3KW, 43V 5%,BIDIR,SMC TVS

SMC3K43CAHM3_A/H
Vishay Semiconductors
1: €2.12
2,180In Stock

Mfr. Part No.
SMC3K43CAHM3_A/H

Mouser Part No
78-SMC3K43CAHM3_A/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW, 43V 5%,BIDIR,SMC TVS

Learn More

Datasheet

2,180In Stock

Cut Tape

€2.12

€1.36

€0.929

€0.785

Reel

€0.644

View

MouseReel Available

Min.: 1
Mult.: 1

: 850

ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB)

SMC5K36A-M3/I
Vishay Semiconductors
1: €1.82
5,111In Stock

Mfr. Part No.
SMC5K36A-M3/I

Mouser Part No
78-SMC5K36A-M3/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB)

Learn More

Datasheet

5,111In Stock

Cut Tape

€1.82

€1.16

€0.798

€0.677

Reel

€0.502

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB)

SMC5K64A-M3/H
Vishay Semiconductors
1: €1.82
2,322In Stock

Mfr. Part No.
SMC5K64A-M3/H

Mouser Part No
78-SMC5K64A-M3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB)

Learn More

Datasheet

2,322In Stock

Cut Tape

€1.82

€1.16

€0.798

€0.677

Reel

€0.566

View

MouseReel Available

Min.: 1
Mult.: 1

: 850

ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB)

SMC5K85A-M3/H
Vishay Semiconductors
1: €1.82
2,492In Stock

Mfr. Part No.
SMC5K85A-M3/H

Mouser Part No
78-SMC5K85A-M3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W Pppm Uni TVS SMC (DO-214AB)

Learn More

Datasheet

2,492In Stock

Cut Tape

€1.82

€1.16

€0.798

€0.677

Reel

€0.518

View

MouseReel Available

Min.: 1
Mult.: 1

: 850

ESD Protection Diodes / TVS Diodes 1000watt 40volt

SMF40A-E3-08
Vishay Semiconductors
1: €0.49
34,716In Stock

Mfr. Part No.
SMF40A-E3-08

Mouser Part No
78-SMF40A-E3-08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1000watt 40volt

Learn More

Datasheet

34,716In Stock

Cut Tape

€0.49

€0.301

€0.192

€0.157

Reel

€0.089

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors Glass encapsultd. DO-35 Type

135-503LAG-J01
Honeywell
1: €13.56
746In Stock

Mfr. Part No.
135-503LAG-J01

Mouser Part No
785-135-503LAG-J01

Honeywell

NTC (Negative Temperature Coefficient) Thermistors Glass encapsultd. DO-35 Type

Datasheet

746In Stock

€13.56

€11.99

€10.74

€10.17

View

Min.: 1
Mult.: 1

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

103JG1K
Littelfuse
1: €0.361
14,938In Stock

Mfr. Part No.
103JG1K

Mouser Part No
803-103JG1K

Littelfuse

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

Learn More

Datasheet

14,938In Stock

€0.361

€0.338

€0.316

€0.30

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 0603 10K OHM 1% NTC AEC-Q200 125C

NTCG163JF103FTDS
TDK
1: €0.146
38,444In Stock

Mfr. Part No.
NTCG163JF103FTDS

Mouser Part No
810-NTCG163JF103FTDS

TDK

NTC (Negative Temperature Coefficient) Thermistors 0603 10K OHM 1% NTC AEC-Q200 125C

Learn More

Datasheet

38,444In Stock

Cut Tape

€0.146

€0.127

€0.113

€0.099

View

Reel

€0.079

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 15K OHM 3%

NTCGP3UH153HCJBAA
TDK
1: €3.69
690In Stock

Mfr. Part No.
NTCGP3UH153HCJBAA

Mouser Part No
810-NTCGP3UH153HCJBA

TDK

NTC (Negative Temperature Coefficient) Thermistors 15K OHM 3%

Learn More

Datasheet

690In Stock

€3.69

€3.32

€3.18

€3.02

View

Min.: 1
Mult.: 1

SCR Modules 1200 Volt 230 Amp

VS-VSKD236/12PBF
Vishay Semiconductors
1: €70.99
33In Stock
30On Order

Mfr. Part No.
VS-VSKD236/12PBF

Mouser Part No
844-VSKD236/12PBF

Vishay Semiconductors

SCR Modules 1200 Volt 230 Amp

Datasheet

33In Stock

30On Order

€70.99

€53.60

Min.: 1
Mult.: 1

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