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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: 359,652

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Part #

Triacs Triac 600V 8A 50-50-50 mA

Q6008L5TP
Littelfuse
1: $4.91
1,075In Stock

Mfr. Part No.
Q6008L5TP

Mouser Part No
576-Q6008L5TP

Littelfuse

Triacs Triac 600V 8A 50-50-50 mA

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Datasheet

1,075In Stock

$4.91

$2.53

$2.30

$2.15

Min.: 1
Mult.: 1

Triacs 600V 10A 50-50-50mA

Q6010L5TP
Littelfuse
1: $5.94
2,800In Stock

Mfr. Part No.
Q6010L5TP

Mouser Part No
576-Q6010L5TP

Littelfuse

Triacs 600V 10A 50-50-50mA

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Datasheet

2,800In Stock

$5.94

$3.25

$2.72

$2.38

Min.: 1
Mult.: 1

Triacs 600V 12A 33/43V LED App

Q6012LTH1LEDTP
Littelfuse
1: $4.95
1,433In Stock

Mfr. Part No.
Q6012LTH1LEDTP

Mouser Part No
576-Q6012LTH1LEDTP

Littelfuse

Triacs 600V 12A 33/43V LED App

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Datasheet

1,433In Stock

$4.95

$3.14

$2.31

$1.92

$1.90

Min.: 1
Mult.: 1

SCRs Sen SCR600V 8A 200UA

S6008LS2TP
Littelfuse
1: $5.67
1,711In Stock

Mfr. Part No.
S6008LS2TP

Mouser Part No
576-S6008LS2TP

Littelfuse

SCRs Sen SCR600V 8A 200UA

Datasheet

1,711In Stock

$5.67

$3.71

$2.77

$2.33

View

Min.: 1
Mult.: 1

SCRs SCR TO220 800V 40A STD THY

S8040RTP
Littelfuse
1: $7.52
887In Stock

Mfr. Part No.
S8040RTP

Mouser Part No
576-S8040RTP

Littelfuse

SCRs SCR TO220 800V 40A STD THY

Datasheet

887In Stock

$7.52

$5.26

$4.49

$4.08

Min.: 1
Mult.: 1

SCRs 1000V 25A

SK025LTP
Littelfuse
1: $6.04
4,975In Stock

Mfr. Part No.
SK025LTP

Mouser Part No
576-SK025LTP

Littelfuse

SCRs 1000V 25A

Datasheet

4,975In Stock

$6.04

$3.14

$2.86

$2.84

Min.: 1
Mult.: 1

Surface Mount Fuses 1206 0.2AMPS SMD

F1206B0R20FSTR
KYOCERA AVX
1: $1.03
4,126In Stock

Mfr. Part No.
F1206B0R20FSTR

Mouser Part No
581-F1206B0R20FSTR

KYOCERA AVX

Surface Mount Fuses 1206 0.2AMPS SMD

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Datasheet

4,126In Stock

Cut Tape

$1.03

$0.952

$0.79

$0.751

Reel

$0.749

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors 470ohms 5% Radial

NTCLE100E3471JB0
Vishay / BC Components
1: $0.734
13,598In Stock

Mfr. Part No.
NTCLE100E3471JB0

Mouser Part No
594-2381-640-63471

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 470ohms 5% Radial

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Datasheet

13,598In Stock

$0.734

$0.687

$0.642

$0.611

View

Min.: 1
Mult.: 1

Surface Mount Fuses 63V 0.5A Fast Act Very Quick

MFU1206FF00500P500
Vishay / Beyschlag
1: $0.966
4,956In Stock

Mfr. Part No.
MFU1206FF00500P500

Mouser Part No
594-MFU1206FF00500P5

Vishay / Beyschlag

Surface Mount Fuses 63V 0.5A Fast Act Very Quick

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Datasheet

4,956In Stock

Cut Tape

$0.966

$0.918

$0.834

$0.787

View

Reel

$0.446

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohm 1% 3435K 1% Silver Term

NTCC200E4472FT
Vishay / BC Components
1: $1.50
3,961In Stock

Mfr. Part No.
NTCC200E4472FT

Mouser Part No
594-NTCC200E4472FT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohm 1% 3435K 1% Silver Term

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Datasheet

3,961In Stock

Cut Tape

$1.50

$1.43

$1.33

$1.27

View

Reel

$0.796

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 2% SMD

NTCS0603E3103GMT
Vishay / BC Components
1: $0.734
6,250In Stock

Mfr. Part No.
NTCS0603E3103GMT

Mouser Part No
594-NTCS0603E3103GMT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 2% SMD

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Datasheet

6,250In Stock

Cut Tape

$0.734

$0.69

$0.635

$0.617

View

Reel

$0.458

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 122Kohms 1%

NTCS0603E3124SMT
Vishay / BC Components
1: $0.993
3,995In Stock

Mfr. Part No.
NTCS0603E3124SMT

Mouser Part No
594-NTCS0603E3124SMT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 122Kohms 1%

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Datasheet

3,995In Stock

Cut Tape

$0.993

$0.93

$0.87

$0.821

View

Reel

$0.60

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 600W 9.0V

SMBJ9.0A-13-F
Diodes Incorporated
1: $0.626
28,295In Stock

Mfr. Part No.
SMBJ9.0A-13-F

Mouser Part No
621-SMBJ9.0A-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 600W 9.0V

Datasheet

28,295In Stock

Cut Tape

$0.626

$0.321

$0.238

$0.214

$0.196

Reel

$0.129

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,000

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 75V Unidirect

1.5KE75A-E3/54
Vishay Semiconductors
1: $1.59
6,000In Stock

Mfr. Part No.
1.5KE75A-E3/54

Mouser Part No
625-1.5KE75A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 75V Unidirect

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Datasheet

6,000In Stock

Cut Tape

$1.59

$0.945

$0.815

$0.643

Reel

$0.571

$0.502

Min.: 1
Mult.: 1

: 1,400

ESD Protection Diodes / TVS Diodes 5000W 150V Unidirect

5KP150A-E3/54
Vishay Semiconductors
1: $5.05
1,212In Stock

Mfr. Part No.
5KP150A-E3/54

Mouser Part No
625-5KP150A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W 150V Unidirect

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Datasheet

1,212In Stock

Cut Tape

$5.05

$2.91

$2.61

$2.05

Reel

$2.04

$1.84

Min.: 1
Mult.: 1

: 800

Industrial Surge Protectors CT 10-18FS+F/PE-24

2807926
Phoenix Contact
1: $1,385.83
4In Stock

Mfr. Part No.
2807926

Mouser Part No
651-2807926

Phoenix Contact

Industrial Surge Protectors CT 10-18FS+F/PE-24

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Datasheet

4In Stock

$1,385.83

Min.: 1
Mult.: 1

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

2027-23-BT1LF
Bourns
1: $2.09
2,997In Stock

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

Cut Tape

$2.09

$1.93

$1.60

$1.48

Reel

$1.05

View

Min.: 1
Mult.: 1

: 1,000

LED Protection Devices 18volts

LSP1800AJR-S
Bourns
1: $1.32
9,868In Stock

Mfr. Part No.
LSP1800AJR-S

Mouser Part No
652-LSP1800AJR-S

Bourns

LED Protection Devices 18volts

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Datasheet

9,868In Stock

Cut Tape

$1.32

$0.808

$0.526

$0.405

Reel

$0.276

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/15V

MF-LSMF125X-2
Bourns
1: $0.775
8,441In Stock

Mfr. Part No.
MF-LSMF125X-2

Mouser Part No
652-MF-LSMF125X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/15V

Learn More

Datasheet

8,441In Stock

Cut Tape

$0.775

$0.594

$0.558

$0.42

View

Reel

$0.322

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

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

MF-LSMF260/6X-2
Bourns
1: $0.966
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

Learn More

Datasheet

8,841In Stock

Cut Tape

$0.966

$0.76

$0.688

$0.525

View

Reel

$0.394

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/12V

MF-LSMF330/12X-2
Bourns
1: $1.22
12,644In Stock

Mfr. Part No.
MF-LSMF330/12X-2

Mouser Part No
652-MF-LSMF330/12X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/12V

Learn More

Datasheet

12,644In Stock

Cut Tape

$1.22

$0.966

$0.879

$0.664

View

Reel

$0.491

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

MF-LSMF330/16X-2
Bourns
1: $1.46
7,452In 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

Learn More

Datasheet

7,452In Stock

Cut Tape

$1.46

$1.14

$1.03

$0.798

View

Reel

$0.601

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/24V

MF-LSMF330/24X-2
Bourns
1: $1.97
9,391In Stock

Mfr. Part No.
MF-LSMF330/24X-2

Mouser Part No
652-MF-LSMF330/24X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/24V

Learn More

Datasheet

9,391In Stock

Cut Tape

$1.97

$1.52

$1.14

$1.11

$1.03

Reel

$0.941

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC PTC RESETTABLE 1.5A 12V SMD 1812

MF-MSMF150/12-2
Bourns
1: $0.707
18,899In Stock

Mfr. Part No.
MF-MSMF150/12-2

Mouser Part No
652-MF-MSMF150/12-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 1.5A 12V SMD 1812

Learn More

Datasheet

18,899In Stock

Cut Tape

$0.707

$0.536

$0.503

$0.379

View

Reel

$0.243

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V 350MA-HD 40A MAX

MF-PSMF035X-2
Bourns
1: $0.394
18,834In Stock

Mfr. Part No.
MF-PSMF035X-2

Mouser Part No
652-MF-PSMF035X-2

Bourns

Resettable Fuses - PPTC 6V 350MA-HD 40A MAX

Learn More

Datasheet

18,834In Stock

Cut Tape

$0.394

$0.341

$0.305

$0.28

Reel

$0.269

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Circuit Protection

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