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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: 362,125

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Part #

Connectorized Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

PE73SP1061
Pasternack
1: ¥33,788.1
1In Stock
New Product

Mfr. Part #
PE73SP1061

Mouser Part #
28-PE73SP1061

New Product

Pasternack

Connectorized Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

Datasheet

1In Stock

¥33,788.1

¥28,931.3

¥27,893.2

¥27,683.9

Min.: 1
Mult.: 1

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

BR24L70RP
Eaton Electrical
1: ¥61,686.2
1In Stock
New Product

Mfr. Part #
BR24L70RP

Mouser Part #
504-BR24L70RP

New Product

Eaton Electrical

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

Datasheet

1In Stock

¥61,686.2

¥57,329.4

¥52,366.3

View

Min.: 1
Mult.: 1

Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K

CH260EPD
Eaton Electrical
1: ¥228,689.8
1In Stock
New Product

Mfr. Part #
CH260EPD

Mouser Part #
504-CH260EPD

New Product

Eaton Electrical

Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K

1In Stock

¥228,689.8

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 300W,550V MIN,UNIDIR,SMA TVS

SMAJ550HM3_B/H
Vishay Semiconductors
1: ¥151.2
5,387In Stock
New Product

Mfr. Part #
SMAJ550HM3_B/H

Mouser Part #
78-SMAJ550HM3_B/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 300W,550V MIN,UNIDIR,SMA TVS

Datasheet

5,387In Stock

Cut Tape

¥151.2

¥93.5

¥60.6

¥46.5

Reel

¥35.9

View

Min.: 1
Mult.: 1

: 1,800

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN26C2-03GHE3A08
Vishay
1: ¥81.4
4,677In Stock
New Product

Mfr. Part #
VCAN26C2-03GHE3A08

Mouser Part #
78-VCAN26C2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

4,677In Stock

Cut Tape

¥81.4

¥55

¥31.2

¥24.6

Reel

¥17.4

View

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

VESD16D1-HD1HG3-08
Vishay
1: ¥84.7
9,750In Stock
New Product

Mfr. Part #
VESD16D1-HD1HG3-08

Mouser Part #
78-VESD16D1-HD1H3-08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

9,750In Stock

Cut Tape

¥84.7

¥60

¥29.2

¥24.4

Reel

¥11.3

View

Min.: 1
Mult.: 1

: 10,000

NTC Thermistors

NCP02XH103D05RH
Murata Electronics
1: ¥34.9
9,483In Stock
New Product

Mfr. Part #
NCP02XH103D05RH

Mouser Part #
81-NCP02XH103D05RH

New Product

Murata Electronics

NTC Thermistors

Learn More

Datasheet

9,483In Stock

Cut Tape

¥34.9

¥30.7

¥27.1

¥21.8

View

Reel

¥14.5

Min.: 1
Mult.: 1

: 20,000

Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 250mA

0AMA-0250-TD
Bel Fuse
1: ¥1,458.4
450In Stock

Mfr. Part #
0AMA-0250-TD

Mouser Part #
530-0AMA-0250-TD

Bel Fuse

Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 250mA

Learn More

Datasheet

450In Stock

Cut Tape

¥1,458.4

¥1,209.2

¥1,116.2

¥925.2

Reel

¥677.7

View

Min.: 1
Mult.: 1

: 500

Triacs 16 Amp Standard High Temperature Alternistor TRIAC-TO263

QJ6016NH5RP
Littelfuse
1: ¥777.3
693In Stock

Mfr. Part #
QJ6016NH5RP

Mouser Part #
576-QJ6016NH5RP

Littelfuse

Triacs 16 Amp Standard High Temperature Alternistor TRIAC-TO263

Learn More

Datasheet

693In Stock

Cut Tape

¥777.3

¥601.3

¥475

Reel

¥406.9

¥390.3

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes UCLAMP, 1-LINE 3.6V TVS

UCLAMP3611ZVTFT
Semtech
1: ¥119.6
16,313In Stock

Mfr. Part #
UCLAMP3611ZVTFT

Mouser Part #
947-UCLAMP3611ZVTFT

Semtech

ESD Protection Diodes / TVS Diodes UCLAMP, 1-LINE 3.6V TVS

16,313In Stock

Cut Tape

¥119.6

¥73.6

¥47.2

¥35.9

View

Reel

¥22.4

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

ESD Protection Diodes / TVS Diodes 300W,350V 5%,UNIDIR,SMA TVS

P4SMA350AHM3_B/I
Vishay Semiconductors
1: ¥151.2
9,480In Stock

Mfr. Part #
P4SMA350AHM3_B/I

Mouser Part #
78-P4SMA350AHM3_B/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 300W,350V 5%,UNIDIR,SMA TVS

Learn More

Datasheet

9,480In Stock

Cut Tape

¥151.2

¥93.5

¥60.6

¥46.5

View

Reel

¥30.1

Min.: 1
Mult.: 1

: 7,500

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

SMF10A-HE3_A08
Vishay Semiconductors
1: ¥86.4
29,995In Stock

Mfr. Part #
SMF10A-HE3_A08

Mouser Part #
78-SMF10A-HE3A08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

Datasheet

29,995In Stock

Cut Tape

¥86.4

¥54.5

¥34.7

¥27.7

Reel

¥19.8

View

Min.: 1
Mult.: 1

: 3,000

SCRs NEW INPUT THYRISTOR - SUPER-248

VS-70TPS16-M3
Vishay Semiconductors
1: ¥2,577.9
973In Stock

Mfr. Part #
VS-70TPS16-M3

Mouser Part #
78-VS-70TPS16-M3

Vishay Semiconductors

SCRs NEW INPUT THYRISTOR - SUPER-248

Datasheet

973In Stock

¥2,577.9

¥1,963.3

¥1,634.4

¥1,456.7

¥1,380.3

Min.: 1
Mult.: 1

Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G

DD9-24V
Citel
1: ¥18,566.7
47In Stock

Mfr. Part #
DD9-24V

Mouser Part #
703-DD9-24V

Citel

Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G

Learn More

Datasheet

47In Stock

¥18,566.7

¥15,615.1

¥14,797.8

¥14,794.5

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS

SMBJ14AHE3_B/I
Vishay Semiconductors
1: ¥132.9
9,578In Stock

Mfr. Part #
SMBJ14AHE3_B/I

Mouser Part #
78-SMBJ14AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

9,578In Stock

Cut Tape

¥132.9

¥83.1

¥53.5

¥40.7

Reel

¥31.4

View

Min.: 1
Mult.: 1

: 3,200

ESD Protection Diodes / TVS Diodes TVS 30KW 5%BI P600 39V TR13

30KPA39CA
Littelfuse
1: ¥3,430
1,172In Stock

Mfr. Part #
30KPA39CA

Mouser Part #
576-30KPA39CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 30KW 5%BI P600 39V TR13

Learn More

Datasheet

1,172In Stock

Cut Tape

¥3,430

¥2,755.6

¥2,476.6

¥2,237.4

Reel

¥2,235.7

Min.: 1
Mult.: 1

: 800

Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting

KLKR002.T
Littelfuse
1: ¥4,730.5
1,197In Stock

Mfr. Part #
KLKR002.T

Mouser Part #
576-KLKR002.T

Littelfuse

Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting

Learn More

Datasheet

1,197In Stock

¥4,730.5

¥4,149.2

¥4,034.6

¥3,341.9

View

Min.: 1
Mult.: 1

Circuit Breakers CBM E4 24DC/0.5-10A NO-R

2905743
Phoenix Contact
1: ¥32,627
135In Stock

Mfr. Part #
2905743

Mouser Part #
651-2905743

Phoenix Contact

Circuit Breakers CBM E4 24DC/0.5-10A NO-R

Learn More

Datasheet

135In Stock

¥32,627

Min.: 1
Mult.: 1

Varistors 460VAC 10% 4032mm

B72660M0461K093
TDK
1: ¥199.3
50,104In Stock

Mfr. Part #
B72660M0461K093

Mouser Part #
871-B72660M0461K093

TDK

Varistors 460VAC 10% 4032mm

Learn More

Datasheet

50,104In Stock

¥199.3

¥129.7

¥114.6

¥107.3

View

Min.: 1
Mult.: 1

Surface Mount Fuses .0375A 4.8mOhm Red T hin Film Fuses 0603

F0603G0R03FNTR
KYOCERA AVX
1: ¥192.7
88,275In Stock

Mfr. Part #
F0603G0R03FNTR

Mouser Part #
581-F0603G0R03FNTR

KYOCERA AVX

Surface Mount Fuses .0375A 4.8mOhm Red T hin Film Fuses 0603

Datasheet

88,275In Stock

Cut Tape

¥192.7

¥153.1

¥129.1

¥126.2

Reel

¥126.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Fuse Holder INLINE MINI HOLDER 18AWG BLACK

0FHM0003ZXJS
Littelfuse
1: ¥1,061.4
2,177In Stock

Mfr. Part #
0FHM0003ZXJS

Mouser Part #
576-0FHM0003ZXJS

Littelfuse

Fuse Holder INLINE MINI HOLDER 18AWG BLACK

Learn More

Datasheet

2,177In Stock

¥1,061.4

¥946.8

¥935.1

¥446.8

Min.: 1
Mult.: 1

Surface Mount Fuses SMD Fuse. Fast Acting, 5A, 500Vdc

0ACJ-5000-TE
Bel Fuse
1: ¥230.9
1,709In Stock

Mfr. Part #
0ACJ-5000-TE

Mouser Part #
530-0ACJ-5000-TE

Bel Fuse

Surface Mount Fuses SMD Fuse. Fast Acting, 5A, 500Vdc

Learn More

Datasheet

1,709In Stock

Cut Tape

¥230.9

¥224.2

Reel

¥224.2

¥214.3

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V

SDD32C36L01-LV
YAGEO
1: ¥63.1
4,046In Stock
15,000Expected 2/9/2027
New Product

Mfr. Part #
SDD32C36L01-LV

Mouser Part #
603-SDD32C36L01-LV

New Product

YAGEO

ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V

Datasheet

4,046In Stock

15,000Expected 2/9/2027

Cut Tape

¥63.1

¥43.4

¥21.3

¥17.8

Reel

¥10.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

TA6F30CAHM3/H
Vishay
1: ¥144.5
2,310In Stock
New Product

Mfr. Part #
TA6F30CAHM3/H

Mouser Part #
78-TA6F30CAHM3/H

New Product

Vishay

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

Learn More

Datasheet

2,310In Stock

Cut Tape

¥144.5

¥89.4

¥57.8

¥44.3

Reel

¥34.4

View

Min.: 1
Mult.: 1

: 3,500

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23

VGSOT24C-G3-18
Vishay
1: ¥84.7
7,893In Stock
40,000On Order
New At Mouser

Mfr. Part #
VGSOT24C-G3-18

Mouser Part #
78-VGSOT24C-G3-18

New At Mouser

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23

Learn More

Datasheet

7,893In Stock

40,000On Order

Cut Tape

¥84.7

¥52.3

¥33.1

¥25.9

Reel

¥16.1

View

Min.: 1
Mult.: 1

: 10,000