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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: 362,063

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Part #

ESD Protection Diodes / TVS Diodes 600W,28V 5%, SlimSMA BIDIR TVS

SMA6F28CA-M3/H
Vishay Semiconductors
1: $0.938
3,460In Stock
New Product

Mfr. Part No.
SMA6F28CA-M3/H

Mouser Part No
78-SMA6F28CA-M3\H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,28V 5%, SlimSMA BIDIR TVS

Datasheet

3,460In Stock

Cut Tape

$0.938

$0.575

$0.369

$0.28

Reel

$0.215

View

Min.: 1
Mult.: 1

: 3,500

Thermal Cut-offs THERMAL PROTECTOR

RP-1B
Sensata Technologies
1: $47.44
500In Stock

Mfr. Part No.
RP-1B

Mouser Part No
682-RP-1B

Sensata Technologies

Thermal Cut-offs THERMAL PROTECTOR

Datasheet

500In Stock

$47.44

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS

TP5.0SMDJ43CA
Littelfuse
1: $5.93
4,691In Stock

Mfr. Part No.
TP5.0SMDJ43CA

Mouser Part No
576-TP5.0SMDJ43CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS

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Datasheet

4,691In Stock

Cut Tape

$5.93

$3.90

$2.92

$2.46

Reel

$2.07

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes TVS SURF MT 600W 219V DO214AA AEQ101 T&R

TPSMB219A
Littelfuse
1: $1.71
5,924In Stock

Mfr. Part No.
TPSMB219A

Mouser Part No
576-TPSMB219A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS SURF MT 600W 219V DO214AA AEQ101 T&R

Learn More

Datasheet

5,924In Stock

Cut Tape

$1.71

$1.07

$0.702

$0.543

Reel

$0.363

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 16ohm Y kink bulk

BN-LG10Y160MYB
Bourns
1: $0.762
9,998In Stock

Mfr. Part No.
BN-LG10Y160MYB

Mouser Part No
652-BN-LG10Y160MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 16ohm Y kink bulk

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Datasheet

9,998In Stock

$0.762

$0.677

$0.589

$0.487

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 220ohm Y kink bulk

BN-LG15Y221MYB
Bourns
1: $1.28
5,738In Stock
6,250On Order

Mfr. Part No.
BN-LG15Y221MYB

Mouser Part No
652-BN-LG15Y221MYB

Bourns

NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 220ohm Y kink bulk

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Datasheet

5,738In Stock

6,250On Order

$1.28

$0.982

$0.846

$0.816

View

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

PF-KT1-30
Bourns
1: $46.74
279In Stock

Mfr. Part No.
PF-KT1-30

Mouser Part No
652-PF-KT1-30

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

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Datasheet

279In Stock

$46.74

$38.77

$25.81

$23.05

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes RSDT 22V

RSDT27RSMTFTL1
ROHM Semiconductor
1: $3.17
7,800In Stock

Mfr. Part No.
RSDT27RSMTFTL1

Mouser Part No
755-RSDT27RSMTFTL1

ROHM Semiconductor

ESD Protection Diodes / TVS Diodes RSDT 22V

Learn More

Datasheet

7,800In Stock

Cut Tape

$3.17

$2.00

$1.48

$1.26

View

Reel

$1.03

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 600W,30V 5%, DFN3820A TVS

6DFN30A-M3/I
Vishay Semiconductors
1: $1.01
27,517In Stock

Mfr. Part No.
6DFN30A-M3/I

Mouser Part No
78-6DFN30A-M3/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,30V 5%, DFN3820A TVS

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Datasheet

27,517In Stock

Cut Tape

$1.01

$0.62

$0.398

$0.303

Reel

$0.201

View

Min.: 1
Mult.: 1

: 14,000

ESD Protection Diodes / TVS Diodes 28V 1000W UniDir TransZorb 5% Tol

SMBJ28A
Vishay Semiconductors
1: $0.666
54,762In Stock

Mfr. Part No.
SMBJ28A

Mouser Part No
78-SMBJ28A

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 28V 1000W UniDir TransZorb 5% Tol

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Datasheet

54,762In Stock

Cut Tape

$0.666

$0.457

$0.258

$0.204

Reel

$0.171

View

MouseReel Available

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes T4F - A 11V

T4F11AHM3/H
Vishay Semiconductors
1: $0.626
35,659In Stock

Mfr. Part No.
T4F11AHM3/H

Mouser Part No
78-T4F11AHM3/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes T4F - A 11V

Learn More

Datasheet

35,659In Stock

Cut Tape

$0.626

$0.295

$0.241

$0.186

Reel

$0.135

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes T4F - A 18V

T4F18AHM3/I
Vishay Semiconductors
1: $0.626
38,940In Stock

Mfr. Part No.
T4F18AHM3/I

Mouser Part No
78-T4F18AHM3/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes T4F - A 18V

Learn More

Datasheet

38,940In Stock

Cut Tape

$0.626

$0.295

$0.241

$0.186

Reel

$0.109

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes Low Capacitance RailClamp 4-Line Surge & ESD Protection

RCLAMP03354P.A
Semtech
1: $1.62
9,855In Stock

Mfr. Part No.
RCLAMP03354P.A

Mouser Part No
947-RCLAMP03354P.A

Semtech

ESD Protection Diodes / TVS Diodes Low Capacitance RailClamp 4-Line Surge & ESD Protection

Learn More

Datasheet

9,855In Stock

Cut Tape

$1.62

$0.925

$0.792

$0.626

Reel

$0.449

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 1-Line 5V 5pF 0.15 Ohms ESD

UCLAMP5011Z2CTKT
Semtech
1: $0.367
225,415In Stock

Mfr. Part No.
UCLAMP5011Z2CTKT

Mouser Part No
947-UCLAMP5011Z2CTKT

Semtech

ESD Protection Diodes / TVS Diodes 1-Line 5V 5pF 0.15 Ohms ESD

Datasheet

225,415In Stock

Cut Tape

$0.367

$0.222

$0.139

$0.102

View

Reel

$0.052

MouseReel Available

Min.: 1
Mult.: 1

: 20,000

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.75A

0603L175SLYR
Littelfuse
1: $2.23
16,259In Stock

Mfr. Part No.
0603L175SLYR

Mouser Part No
576-0603L175SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.75A

Learn More

Datasheet

16,259In Stock

Cut Tape

$2.23

$1.89

$1.67

$1.60

View

Reel

$1.09

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Automotive Fuses 200A 32VDC Limiter Fuse

0CNL200.V
Littelfuse
1: $54.48
916In Stock

Mfr. Part No.
0CNL200.V

Mouser Part No
576-0CNL200.V

Littelfuse

Automotive Fuses 200A 32VDC Limiter Fuse

Datasheet

916In Stock

$54.48

$45.19

$29.85

$26.64

$26.23

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A

1206L300SLTHYR
Littelfuse
1: $2.56
45,560In Stock

Mfr. Part No.
1206L300SLTHYR

Mouser Part No
576-1206L300SLTHYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A

Learn More

Datasheet

45,560In Stock

Cut Tape

$2.56

$2.35

$1.94

$1.77

View

Reel

$1.09

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 100V

8.0SMDJ100CA
Littelfuse
1: $7.34
6,323In Stock

Mfr. Part No.
8.0SMDJ100CA

Mouser Part No
576-8.0SMDJ100CA

Littelfuse

ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 100V

Learn More

Datasheet

6,323In Stock

Cut Tape

$7.34

$4.27

$3.77

$3.33

View

Reel

$2.72

Min.: 1
Mult.: 1

: 3,000

Fuse Holder CLASS G FUSE BLOCK 480V 60A 3 POLE

LFG480603CDINR
Littelfuse
1: $125.36
468In Stock

Mfr. Part No.
LFG480603CDINR

Mouser Part No
576-LFG480603CDINR

Littelfuse

Fuse Holder CLASS G FUSE BLOCK 480V 60A 3 POLE

Datasheet

468In Stock

$125.36

$103.69

$95.46

Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 350V 3000A DO214AB RoHS

P3800S3NLRP
Littelfuse
1: $8.96
5,927In Stock

Mfr. Part No.
P3800S3NLRP

Mouser Part No
576-P3800S3NLRP

Littelfuse

Thyristor Surge Protection Devices - TSPD SIDACtor Bi 350V 3000A DO214AB RoHS

Learn More

Datasheet

5,927In Stock

Cut Tape

$8.96

$5.98

$4.35

$4.13

$3.92

Reel

$3.92

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes SMA6J - CA 33V

SMA6J33CA
Littelfuse
1: $0.775
187,520In Stock

Mfr. Part No.
SMA6J33CA

Mouser Part No
576-SMA6J33CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMA6J - CA 33V

Datasheet

187,520In Stock

Cut Tape

$0.775

$0.369

$0.302

$0.243

Reel

$0.132

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL

SP4024-01FTG
Littelfuse
1: $1.10
402,938In Stock

Mfr. Part No.
SP4024-01FTG

Mouser Part No
576-SP4024-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL

Learn More

Datasheet

402,938In Stock

Cut Tape

$1.10

$0.685

$0.437

$0.333

Reel

$0.228

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Surge Protectors Surge Stopper

LT4356MPS-2#PBF
Analog Devices
1: $24.41
1,286In Stock

Mfr. Part No.
LT4356MPS-2#PBF

Mouser Part No
584-LT4356MPS-2#PBF

Analog Devices

Board Mount Surge Protectors Surge Stopper

Datasheet

1,286In Stock

$24.41

$19.41

$17.38

$16.76

View

Min.: 1
Mult.: 1

Circuit Breakers 7A PUSH TO RESET

W28-XQ1A-7
TE Connectivity / P&B
1: $5.52
8,629In Stock

Mfr. Part No.
W28-XQ1A-7

Mouser Part No
655-W28-XQ1A-7

TE Connectivity / P&B

Circuit Breakers 7A PUSH TO RESET

Datasheet

8,629In Stock

$5.52

$4.96

$4.45

$4.30

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, NTC 4.7K OHM, 5%, 0805

NTCG203JH472JT1
TDK
1: $19.07
4,298In Stock

Mfr. Part No.
NTCG203JH472JT1

Mouser Part No
810-NTCG203JH472JT1

TDK

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, NTC 4.7K OHM, 5%, 0805

Learn More

Datasheet

4,298In Stock

Cut Tape

$19.07

$17.33

$16.67

$15.90

View

Reel

$12.81

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Circuit Protection

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