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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: 363,025

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Part #

Resettable Fuses - PPTC PTC 4.5A 16V RADIAL LEADED HI-TEMP

MF-RHT450-0
Bourns
1: €0.542
12,836In Stock
2,895On Order

Mfr. Part No.
MF-RHT450-0

Mouser Part No
652-MF-RHT450-0

Bourns

Resettable Fuses - PPTC PTC 4.5A 16V RADIAL LEADED HI-TEMP

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Datasheet

12,836In Stock

2,895On Order

€0.542

€0.461

€0.414

€0.359

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Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC 7.5A 16V RADIAL LEADED HI-TEMP

MF-RHT750-0
Bourns
1: €1.02
8,300In Stock

Mfr. Part No.
MF-RHT750-0

Mouser Part No
652-MF-RHT750-0

Bourns

Resettable Fuses - PPTC PTC 7.5A 16V RADIAL LEADED HI-TEMP

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Datasheet

8,300In Stock

€1.02

€0.946

€0.706

€0.691

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Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V .145A-HD 3A MAX

MF-RX014/250-0
Bourns
1: €0.628
10,892In Stock

Mfr. Part No.
MF-RX014/250-0

Mouser Part No
652-MF-RX014/250-0

Bourns

Resettable Fuses - PPTC 60V .145A-HD 3A MAX

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Datasheet

10,892In Stock

€0.628

€0.48

€0.45

€0.34

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V 3.0A-HD 100A MAX

MF-SM300-2
Bourns
1: €0.447
8,911In Stock

Mfr. Part No.
MF-SM300-2

Mouser Part No
652-MF-SM300-2

Bourns

Resettable Fuses - PPTC 6V 3.0A-HD 100A MAX

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Datasheet

Product Comments

8,911In Stock

Cut Tape

€0.447

€0.339

€0.318

€0.24

View

Reel

€0.154

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Thermal Cut-offs Trip Temp 72c 5c TOL

NR72CB0
Bourns
1: €1.20
4,447In Stock

Mfr. Part No.
NR72CB0

Mouser Part No
652-NR72CB0

Bourns

Thermal Cut-offs Trip Temp 72c 5c TOL

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Datasheet

4,447In Stock

€1.20

€1.11

€0.92

€0.855

View

Min.: 1
Mult.: 1

Varistors PV 130V 10%

PV130K3225R2
Bourns
1: €0.499
6,531In Stock
6,000On Order

Mfr. Part No.
PV130K3225R2

Mouser Part No
652-PV130K3225R2

Bourns

Varistors PV 130V 10%

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Datasheet

6,531In Stock

6,000On Order

Cut Tape

€0.499

€0.313

€0.273

€0.254

Reel

€0.22

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Surface Mount Fuses 0.315A Fast Acting 0402 Singlfuse

SF-0402F0315-2
Bourns
1: €0.533
7,070In Stock

Mfr. Part No.
SF-0402F0315-2

Mouser Part No
652-SF-0402F0315-2

Bourns

Surface Mount Fuses 0.315A Fast Acting 0402 Singlfuse

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Datasheet

7,070In Stock

Cut Tape

€0.533

€0.479

€0.403

€0.326

View

Reel

€0.202

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 1.5A Fast Acting 0402 SinglFuse

SF-0402F150-2
Bourns
1: €0.559
18,340In Stock

Mfr. Part No.
SF-0402F150-2

Mouser Part No
652-SF-0402F150-2

Bourns

Surface Mount Fuses 1.5A Fast Acting 0402 SinglFuse

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Datasheet

18,340In Stock

Cut Tape

€0.559

€0.465

€0.392

€0.326

View

Reel

€0.195

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 3A Fast Acting 0402 SinglFuse

SF-0402F300-2
Bourns
1: €0.559
15,101In Stock

Mfr. Part No.
SF-0402F300-2

Mouser Part No
652-SF-0402F300-2

Bourns

Surface Mount Fuses 3A Fast Acting 0402 SinglFuse

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Datasheet

15,101In Stock

Cut Tape

€0.559

€0.465

€0.392

€0.326

View

Reel

€0.206

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 1.5A 63V FAST ACTING

SF-1206FP150-2
Bourns
1: €0.559
26,363In Stock

Mfr. Part No.
SF-1206FP150-2

Mouser Part No
652-SF-1206FP150-2

Bourns

Surface Mount Fuses 1.5A 63V FAST ACTING

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Datasheet

26,363In Stock

Cut Tape

€0.559

€0.465

€0.392

€0.326

View

Reel

€0.289

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1206 slow-blow met-foil. 20A Auto

SF-1206SA2000R-2
Bourns
1: €0.774
7,679In Stock

Mfr. Part No.
SF-1206SA2000R-2

Mouser Part No
652-SF-1206SA2000R-2

Bourns

Surface Mount Fuses 1206 slow-blow met-foil. 20A Auto

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Datasheet

7,679In Stock

Cut Tape

€0.774

€0.691

€0.564

€0.469

View

Reel

€0.287

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD 120V

TISP4145H3BJR-S
Bourns
1: €1.15
11,304In Stock

Mfr. Part No.
TISP4145H3BJR-S

Mouser Part No
652-TISP4145H3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 120V

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Datasheet

11,304In Stock

Cut Tape

€1.15

€0.72

€0.472

€0.366

Reel

€0.294

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

TISP4310T3BJR-S
Bourns
1: €1.01
11,050In Stock

Mfr. Part No.
TISP4310T3BJR-S

Mouser Part No
652-TISP4310T3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL

Datasheet

11,050In Stock

Cut Tape

€1.01

€0.631

€0.415

€0.323

Reel

€0.287

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors ZV 20V 10%

ZV20K1210401NIR1HT
Bourns
1: €0.301
14,534In Stock

Mfr. Part No.
ZV20K1210401NIR1HT

Mouser Part No
652-ZV20K1210401NIRH

Bourns

Varistors ZV 20V 10%

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Datasheet

14,534In Stock

Cut Tape

€0.301

€0.184

€0.158

€0.146

Reel

€0.126

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses .5A 1206 micro chip 63VDC

ERB-RG0R50V
Panasonic
1: €0.404
8,440In Stock

Mfr. Part No.
ERB-RG0R50V

Mouser Part No
667-ERB-RG0R50V

Panasonic

Surface Mount Fuses .5A 1206 micro chip 63VDC

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Datasheet

8,440In Stock

Cut Tape

€0.404

€0.371

€0.308

€0.284

View

Reel

€0.187

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 2-/4-/6-/8-Channel 30kV ESD Protectors

MAX13208EALB+T
Analog Devices / Maxim Integrated
1: €4.59
2,455In Stock

Mfr. Part No.
MAX13208EALB+T

Mouser Part No
700-MAX13208EALBT

Analog Devices / Maxim Integrated

ESD Protection Diodes / TVS Diodes 2-/4-/6-/8-Channel 30kV ESD Protectors

Datasheet

2,455In Stock

Cut Tape

€4.59

€3.04

€2.55

€2.33

Reel

€2.22

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

VS3V3BB1FST27N
ROHM Semiconductor
1: €0.249
51,105In Stock

Mfr. Part No.
VS3V3BB1FST27N

Mouser Part No
755-VS3V3BB1FST27N

ROHM Semiconductor

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

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Datasheet

51,105In Stock

Cut Tape

€0.249

€0.168

€0.069

€0.065

View

Reel

€0.054

MouseReel Available

Min.: 1
Mult.: 1

: 27,000

ESD Protection Diodes / TVS Diodes 400W 24V 5% SMA (DO-214AC)

SMAJ24CAHE3_A/H
Vishay Semiconductors
1: €0.611
11,549In Stock
9,000On Order

Mfr. Part No.
SMAJ24CAHE3_A/H

Mouser Part No
78-SMAJ24CAHE3_A/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W 24V 5% SMA (DO-214AC)

Learn More

Datasheet

11,549In Stock

9,000On Order

Cut Tape

€0.611

€0.378

€0.243

€0.186

Reel

€0.143

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,800

ESD Protection Diodes / TVS Diodes 1000watt 17volt

SMF17A-E3-08
Vishay Semiconductors
1: €0.49
50,667In Stock

Mfr. Part No.
SMF17A-E3-08

Mouser Part No
78-SMF17A-E3-08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1000watt 17volt

Learn More

Datasheet

50,667In Stock

Cut Tape

€0.49

€0.301

€0.192

€0.157

Reel

€0.109

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 31.4-34.7Vbr AEC-Q101 Qualified

TPC33CAHM3/H
Vishay Semiconductors
1: €1.82
4,716In Stock
4,500On Order

Mfr. Part No.
TPC33CAHM3/H

Mouser Part No
78-TPC33CAHM3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 31.4-34.7Vbr AEC-Q101 Qualified

Learn More

Datasheet

4,716In Stock

4,500On Order

Cut Tape

€1.82

€1.16

€0.80

€0.679

Reel

€0.502

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SCRs 35A If; 1600V Vr TO-247AD 3L

VS-40TPS16LHM3
Vishay Semiconductors
1: €7.19
2,271In Stock

Mfr. Part No.
VS-40TPS16LHM3

Mouser Part No
78-VS-40TPS16LHM3

Vishay Semiconductors

SCRs 35A If; 1600V Vr TO-247AD 3L

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Datasheet

2,271In Stock

€7.19

€5.76

€4.65

€3.72

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W -/+30kV -/+5% AEC-Q101 Qualified

VTVS23ASMF-HM3-08
Vishay Semiconductors
1: €0.74
32,660In Stock

Mfr. Part No.
VTVS23ASMF-HM3-08

Mouser Part No
78-VTVS23ASMF-HM3-08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W -/+30kV -/+5% AEC-Q101 Qualified

Learn More

Datasheet

32,660In Stock

Cut Tape

€0.74

€0.458

€0.295

€0.225

Reel

€0.173

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors 10Kohm 0.5% 0402

NTCG103JX103DT1
TDK
1: €0.267
13,573In Stock

Mfr. Part No.
NTCG103JX103DT1

Mouser Part No
810-NTCG103JX103DT

TDK

NTC (Negative Temperature Coefficient) Thermistors 10Kohm 0.5% 0402

Learn More

Datasheet

13,573In Stock

Cut Tape

€0.267

€0.252

€0.223

€0.212

Reel

€0.144

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

NTC (Negative Temperature Coefficient) Thermistors 3.3kOhm 5% PPS Resin B0/100:3970K+-2%

NTCRP3VG332JDGBEA
TDK
1: €10.58
559In Stock

Mfr. Part No.
NTCRP3VG332JDGBEA

Mouser Part No
810-NTCRP3VG332JDGBE

TDK

NTC (Negative Temperature Coefficient) Thermistors 3.3kOhm 5% PPS Resin B0/100:3970K+-2%

Learn More

Datasheet

559In Stock

€10.58

€9.61

€9.24

€8.81

View

Min.: 1
Mult.: 1

SCRs 800V 25A

2N6509G
Littelfuse
1: €3.32
4,308In Stock

Mfr. Part No.
2N6509G

Mouser Part No
863-2N6509G

Littelfuse

SCRs 800V 25A

Datasheet

4,308In Stock

Cut Tape

€3.32

€2.19

€1.64

Reel

€1.64

Min.: 1
Mult.: 1

: 1,000

Circuit Protection

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