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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: 361,784

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Part #

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 230VOLT

2027-23-BT1LF
Bourns
1: $1.41
2,997In Stock
1,000On Order

Mfr. Part No.
2027-23-BT1LF

Mouser Part No
652-2027-23-BT1LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 230VOLT

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Datasheet

2,997In Stock

1,000On Order

Cut Tape

$1.41

$1.30

$1.08

$0.996

Reel

$0.759

View

Min.: 1
Mult.: 1

: 1,000

Varistors IsoMOV 5KA 175Vrms Bulk In-Line

IsoM5-175-B-L2
Bourns
1: $1.55
4,033In Stock

Mfr. Part No.
IsoM5-175-B-L2

Mouser Part No
652-ISOM5-175-B-L2

Bourns

Varistors IsoMOV 5KA 175Vrms Bulk In-Line

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Datasheet

4,033In Stock

$1.55

$1.13

$1.03

$0.912

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 0603 High Temp SMD Polymer PTC 0.16A/12V

MF-FSHT016KX-2
Bourns
1: $0.49
22,488In Stock

Mfr. Part No.
MF-FSHT016KX-2

Mouser Part No
652-MF-FSHT016KX-2

Bourns

Resettable Fuses - PPTC 0603 High Temp SMD Polymer PTC 0.16A/12V

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Datasheet

22,488In Stock

Cut Tape

$0.49

$0.371

$0.348

$0.263

View

Reel

$0.169

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/6V

MF-LSMF260/6X-2
Bourns
1: $0.71
8,841In Stock

Mfr. Part No.
MF-LSMF260/6X-2

Mouser Part No
652-MF-LSMF260/6X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/6V

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Datasheet

8,841In Stock

Cut Tape

$0.71

$0.583

$0.531

$0.442

View

Reel

$0.288

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/16V

MF-LSMF330/16X-2
Bourns
1: $1.03
7,462In Stock

Mfr. Part No.
MF-LSMF330/16X-2

Mouser Part No
652-MF-LSMF330/16X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/16V

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Datasheet

7,462In Stock

Cut Tape

$1.03

$0.814

$0.662

$0.636

View

Reel

$0.421

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 16V 160MA-HD 40A MAX

MF-PSHT016KX-2
Bourns
1: $0.50
10,356In Stock

Mfr. Part No.
MF-PSHT016KX-2

Mouser Part No
652-MF-PSHT016KX-2

Bourns

Resettable Fuses - PPTC 16V 160MA-HD 40A MAX

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Datasheet

10,356In Stock

Cut Tape

$0.50

$0.378

$0.354

$0.268

Reel

$0.194

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED

MF-R010-AP
Bourns
1: $0.45
17,193In Stock

Mfr. Part No.
MF-R010-AP

Mouser Part No
652-MF-R010-AP

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED

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Datasheet

17,193In Stock

$0.45

$0.345

$0.323

$0.244

View

Reel

$0.157

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC PTC RESETTABLE 0.75A 60V RADIAL LEADED

MF-R075-AP
Bourns
1: $0.51
11,983In Stock

Mfr. Part No.
MF-R075-AP

Mouser Part No
652-MF-R075-AP

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.75A 60V RADIAL LEADED

Learn More

Datasheet

11,983In Stock

$0.51

$0.423

$0.385

$0.291

View

Reel

$0.184

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX

MF-R185-0-17
Bourns
1: $0.60
12,274In Stock

Mfr. Part No.
MF-R185-0-17

Mouser Part No
652-MF-R185-0-17

Bourns

Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX

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Datasheet

12,274In Stock

$0.60

$0.46

$0.431

$0.326

View

Min.: 1
Mult.: 1

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

MF-R250-2-10
Bourns
1: $0.63
8,416In Stock

Mfr. Part No.
MF-R250-2-10

Mouser Part No
652-MF-R250-2-10

Bourns

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

Learn More

Datasheet

8,416In Stock

Cut Tape

$0.63

$0.507

$0.462

$0.349

Reel

$0.253

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC 10.0A 16V RADIAL LEADED HI-TEMP

MF-RHT1000-2
Bourns
1: $1.22
8,809In Stock

Mfr. Part No.
MF-RHT1000-2

Mouser Part No
652-MF-RHT1000-2

Bourns

Resettable Fuses - PPTC PTC 10.0A 16V RADIAL LEADED HI-TEMP

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Datasheet

8,809In Stock

Cut Tape

$1.22

$0.997

$0.762

$0.745

Reel

$0.558

View

Min.: 1
Mult.: 1

: 1,000

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

MF-RX014/250-2
Bourns
1: $0.75
5,782In Stock

Mfr. Part No.
MF-RX014/250-2

Mouser Part No
652-MF-RX014/250-2

Bourns

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

Learn More

Datasheet

5,782In Stock

Cut Tape

$0.75

$0.575

$0.539

$0.407

View

Reel

$0.266

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC PTC RESETTABLE 0.5A 72V RADIAL LEADED

MF-RX050/72-AP
Bourns
1: $0.45
9,388In Stock

Mfr. Part No.
MF-RX050/72-AP

Mouser Part No
652-MF-RX050/72-AP

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.5A 72V RADIAL LEADED

Learn More

Datasheet

9,388In Stock

$0.45

$0.361

$0.339

$0.256

View

Reel

$0.164

Min.: 1
Mult.: 1

: 4,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5500volts 1pF STRAIGHT LEADS

SA2-5500-CLT-STD
Bourns
1: $3.45
2,210In Stock

Mfr. Part No.
SA2-5500-CLT-STD

Mouser Part No
652-SA2-5500-CLTSTD

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5500volts 1pF STRAIGHT LEADS

Learn More

Datasheet

2,210In Stock

Cut Tape

$3.45

$2.87

$2.65

$2.20

Reel

$1.42

View

Min.: 1
Mult.: 1

: 1,000

Surface Mount Fuses .5A 32V FAST ACTING

SF-0402FP050-2
Bourns
1: $0.72
19,774In Stock

Mfr. Part No.
SF-0402FP050-2

Mouser Part No
652-SF-0402FP050-2

Bourns

Surface Mount Fuses .5A 32V FAST ACTING

Learn More

Datasheet

19,774In Stock

Cut Tape

$0.72

$0.604

$0.509

$0.423

View

Reel

$0.265

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 5A 32V FAST ACTING

SF-0603FP500-2
Bourns
1: $0.68
12,864In Stock

Mfr. Part No.
SF-0603FP500-2

Mouser Part No
652-SF-0603FP500-2

Bourns

Surface Mount Fuses 5A 32V FAST ACTING

Learn More

Datasheet

12,864In Stock

Cut Tape

$0.68

$0.573

$0.482

$0.33

View

Reel

$0.24

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0603 time-lag met-foil. 2A Auto

SF-0603SPA200R-2
Bourns
1: $1.11
5,249In Stock

Mfr. Part No.
SF-0603SPA200R-2

Mouser Part No
652-SF-0603SPA200R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 2A Auto

Learn More

Datasheet

5,249In Stock

Cut Tape

$1.11

$1.01

$0.848

$0.774

View

Reel

$0.504

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0603 time-lag met-foil. 7A Auto

SF-0603SPA700R-2
Bourns
1: $0.99
8,704In Stock

Mfr. Part No.
SF-0603SPA700R-2

Mouser Part No
652-SF-0603SPA700R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 7A Auto

Learn More

Datasheet

8,704In Stock

Cut Tape

$0.99

$0.861

$0.747

$0.689

View

Reel

$0.475

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1.25A 63V TIME DELAY

SF-1206SP125-2
Bourns
1: $0.59
16,812In Stock

Mfr. Part No.
SF-1206SP125-2

Mouser Part No
652-SF-1206SP125-2

Bourns

Surface Mount Fuses 1.25A 63V TIME DELAY

Learn More

Datasheet

16,812In Stock

Cut Tape

$0.59

$0.531

$0.467

$0.393

View

Reel

$0.25

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD 65V

TISP4080H3BJR-S
Bourns
1: $1.37
5,259In Stock

Mfr. Part No.
TISP4080H3BJR-S

Mouser Part No
652-TISP4080H3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 65V

Learn More

Datasheet

5,259In Stock

Cut Tape

$1.37

$0.866

$0.574

$0.449

$0.385

Reel

$0.358

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors ZV 11V 10%

ZV11K1210401NIR1
Bourns
1: $0.32
14,427In Stock

Mfr. Part No.
ZV11K1210401NIR1

Mouser Part No
652-ZV11K1210401NIR1

Bourns

Varistors ZV 11V 10%

Learn More

Datasheet

14,427In Stock

Cut Tape

$0.32

$0.198

$0.17

$0.157

Reel

$0.129

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Varistors ZV 40V 10%

ZV40K1210251NIR1HT
Bourns
1: $0.35
13,469In Stock

Mfr. Part No.
ZV40K1210251NIR1HT

Mouser Part No
652-ZV40K1210251NIRH

Bourns

Varistors ZV 40V 10%

Learn More

Datasheet

13,469In Stock

Cut Tape

$0.35

$0.214

$0.184

$0.17

Reel

$0.147

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Triacs ACTT2W-800ETN/SC-70/REEL 13" Q1/T1 *STANDARD M

ACTT2W-800ETNF
WeEn Semiconductors
1: $0.89
13,397In Stock

Mfr. Part No.
ACTT2W-800ETNF

Mouser Part No
771-ACTT2W-800ETNF

WeEn Semiconductors

Triacs ACTT2W-800ETN/SC-70/REEL 13" Q1/T1 *STANDARD M

Datasheet

13,397In Stock

Cut Tape

$0.89

$0.547

$0.374

$0.294

Reel

$0.192

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Triacs ACTT4S-800E/DPAK/REEL 13" Q1/T

ACTT4S-800E,118
WeEn Semiconductors
1: $1.20
6,494In Stock

Mfr. Part No.
ACTT4S-800E,118

Mouser Part No
771-ACTT4S-800E118

WeEn Semiconductors

Triacs ACTT4S-800E/DPAK/REEL 13" Q1/T

Datasheet

6,494In Stock

Cut Tape

$1.20

$0.752

$0.495

$0.384

$0.348

Reel

$0.296

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Triacs RAIL TRIAC

BT136-600D,127
WeEn Semiconductors
1: $1.07
6,479In Stock

Mfr. Part No.
BT136-600D,127

Mouser Part No
771-BT136-600D

WeEn Semiconductors

Triacs RAIL TRIAC

Datasheet

6,479In Stock

$1.07

$0.492

$0.436

$0.337

View

Min.: 1
Mult.: 1

Circuit Protection

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