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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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Part #

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS200.V
Littelfuse
1: 138,06 €
65In Stock

Mfr. Part No.
L70QS200.V

Mouser Part No
576-L70QS200.V

Littelfuse

Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

65In Stock

138,06 €

118,58 €

102,23 €

91,48 €

Min.: 1
Mult.: 1

Triacs 600V 16A 80-80-80mA

Q6016LH6TP
Littelfuse
1: 3,78 €
5 012In Stock

Mfr. Part No.
Q6016LH6TP

Mouser Part No
576-Q6016LH6TP

Littelfuse

Triacs 600V 16A 80-80-80mA

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Datasheet

5 012In Stock

3,78 €

1,96 €

1,85 €

Min.: 1
Mult.: 1

Triacs TRIAC TO220 800V 30A HT ALTN

QJ8030LH4TP
Littelfuse
1: 7,21 €
1 680In Stock

Mfr. Part No.
QJ8030LH4TP

Mouser Part No
576-QJ8030LH4TP

Littelfuse

Triacs TRIAC TO220 800V 30A HT ALTN

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Datasheet

1 680In Stock

7,21 €

5,77 €

4,67 €

4,15 €

3,87 €

Min.: 1
Mult.: 1

Triacs 1000V 12A 50-50-50mA

QK012LH5TP
Littelfuse
1: 5,09 €
900In Stock

Mfr. Part No.
QK012LH5TP

Mouser Part No
576-QK012LH5TP

Littelfuse

Triacs 1000V 12A 50-50-50mA

Datasheet

900In Stock

5,09 €

3,34 €

2,46 €

2,18 €

2,04 €

Min.: 1
Mult.: 1

SCRs 25A 400V

S4025NRP
Littelfuse
1: 3,94 €
926In Stock

Mfr. Part No.
S4025NRP

Mouser Part No
576-S4025NRP

Littelfuse

SCRs 25A 400V

Datasheet

926In Stock

Cut Tape

3,94 €

2,60 €

1,84 €

Reel

1,59 €

MouseReel Available

Min.: 1
Mult.: 1

: 500

SCRs 1000V 40A SCR TO220

SK040RTP
Littelfuse
1: 5,28 €
1 862In Stock

Mfr. Part No.
SK040RTP

Mouser Part No
576-SK040RTP

Littelfuse

SCRs 1000V 40A SCR TO220

Datasheet

1 862In Stock

5,28 €

3,56 €

2,89 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 6 CH DIODE ARRAY

SP721APP
Littelfuse
1: 3,04 €
1 282In Stock

Mfr. Part No.
SP721APP

Mouser Part No
576-SP721APP

Littelfuse

ESD Protection Diodes / TVS Diodes 6 CH DIODE ARRAY

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Datasheet

1 282In Stock

3,04 €

1,41 €

1,29 €

1,01 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 6Ch High Energy SCR Array

SP725ABG
Littelfuse
1: 3,19 €
1 719In Stock

Mfr. Part No.
SP725ABG

Mouser Part No
576-SP725ABG

Littelfuse

ESD Protection Diodes / TVS Diodes 6Ch High Energy SCR Array

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Datasheet

1 719In Stock

3,19 €

1,49 €

1,36 €

1,30 €

Min.: 1
Mult.: 1

Surface Mount Fuses 62.5mA fuse

F0603G0R06FNTR
KYOCERA AVX
1: 0,774 €
21 857In Stock

Mfr. Part No.
F0603G0R06FNTR

Mouser Part No
581-F0603G0R06FNTR

KYOCERA AVX

Surface Mount Fuses 62.5mA fuse

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Datasheet

21 857In Stock

Cut Tape

0,774 €

0,71 €

0,59 €

0,544 €

Reel

0,365 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

PTC (Positive Temperature Coefficient) Thermistors 2.8ohms 25%

PTCCL21H701HBE
Vishay / BC Components
1: 4,35 €
1 499In Stock

Mfr. Part No.
PTCCL21H701HBE

Mouser Part No
594-2381-664-57013

Vishay / BC Components

PTC (Positive Temperature Coefficient) Thermistors 2.8ohms 25%

Datasheet

1 499In Stock

4,35 €

3,71 €

3,25 €

2,89 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 100Kohms 3% SMD

NTCS0603E3104HXT
Vishay / BC Components
1: 0,31 €
11 391In Stock

Mfr. Part No.
NTCS0603E3104HXT

Mouser Part No
594-NTCS0603E3104HXT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 100Kohms 3% SMD

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Datasheet

11 391In Stock

Cut Tape

0,31 €

0,28 €

0,262 €

0,255 €

View

Reel

0,198 €

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

NTC (Negative Temperature Coefficient) Thermistors 2.2Kohms 3%

NTCS0603E3222HMT
Vishay / BC Components
1: 0,37 €
27 667In Stock

Mfr. Part No.
NTCS0603E3222HMT

Mouser Part No
594-NTCS0603E3222HMT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 2.2Kohms 3%

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Datasheet

27 667In Stock

Cut Tape

0,37 €

0,345 €

0,305 €

0,287 €

Reel

0,20 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohms 2% SMD

NTCS0603E3472GHT
Vishay / BC Components
1: 0,516 €
5 678In Stock

Mfr. Part No.
NTCS0603E3472GHT

Mouser Part No
594-NTCS0603E3472GHT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohms 2% SMD

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Datasheet

5 678In Stock

Cut Tape

0,516 €

0,488 €

0,457 €

0,434 €

View

Reel

0,28 €

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

NTC (Negative Temperature Coefficient) Thermistors 100Kohms 3% SMD

NTCS0805E3104HXT
Vishay / BC Components
1: 0,31 €
7 920In Stock

Mfr. Part No.
NTCS0805E3104HXT

Mouser Part No
594-NTCS0805E3104HXT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 100Kohms 3% SMD

Learn More

Datasheet

7 920In Stock

Cut Tape

0,31 €

0,278 €

0,261 €

0,253 €

View

Reel

0,197 €

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

PTC (Positive Temperature Coefficient) Thermistors 8.4ohms 20% 265V Series

PTCCL13H321HTE
Vishay / BC Components
1: 1,32 €
2 112In Stock

Mfr. Part No.
PTCCL13H321HTE

Mouser Part No
594-PTCCL13H321HTE

Vishay / BC Components

PTC (Positive Temperature Coefficient) Thermistors 8.4ohms 20% 265V Series

Datasheet

2 112In Stock

Cut Tape

1,32 €

1,25 €

1,04 €

1,01 €

View

Reel

0,712 €

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 1500W 9.0V

SMCJ9.0CA-13-F
Diodes Incorporated
1: 1,13 €
2 915In Stock

Mfr. Part No.
SMCJ9.0CA-13-F

Mouser Part No
621-SMCJ9.0CA-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 1500W 9.0V

Datasheet

2 915In Stock

Cut Tape

1,13 €

0,707 €

0,493 €

Reel

0,493 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes 200W 39V 5% Unidir

TGL41-39A-E3/97
Vishay Semiconductors
1: 1,01 €
9 694In Stock

Mfr. Part No.
TGL41-39A-E3/97

Mouser Part No
625-TGL41-39A-E3/97

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 200W 39V 5% Unidir

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Datasheet

9 694In Stock

Cut Tape

1,01 €

0,752 €

0,631 €

0,519 €

Reel

0,384 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

Industrial Surge Protectors PT-IQ-4X1-24DC-UT

2800982
Phoenix Contact
1: 334,83 €
4In Stock

Mfr. Part No.
2800982

Mouser Part No
651-2800982

Phoenix Contact

Industrial Surge Protectors PT-IQ-4X1-24DC-UT

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Datasheet

4In Stock

334,83 €

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-SEC-T2-2+0- 120DC-FM

2907874
Phoenix Contact
1: 256,88 €
7In Stock

Mfr. Part No.
2907874

Mouser Part No
651-2907874

Phoenix Contact

Industrial Surge Protectors VAL-SEC-T2-2+0- 120DC-FM

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Datasheet

7In Stock

256,88 €

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 7KA 20% 2-POLE SMD

GDT25-07-S1-RP
Bourns
1: 0,826 €
10 290In Stock

Mfr. Part No.
GDT25-07-S1-RP

Mouser Part No
652-GDT25-07-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 7KA 20% 2-POLE SMD

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Datasheet

10 290In Stock

Cut Tape

0,826 €

0,772 €

0,665 €

0,625 €

Reel

0,476 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 500

Varistors IsoMOV 3KA 230Vrms Bulk In-Line

IsoM3-230-B-L2
Bourns
1: 1,36 €
3 186In Stock

Mfr. Part No.
IsoM3-230-B-L2

Mouser Part No
652-ISOM3-230-B-L2

Bourns

Varistors IsoMOV 3KA 230Vrms Bulk In-Line

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Datasheet

3 186In Stock

1,36 €

0,946 €

0,846 €

0,82 €

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

IsoM5-380-B-L2
Bourns
1: 1,94 €
4 027In Stock

Mfr. Part No.
IsoM5-380-B-L2

Mouser Part No
652-ISOM5-380-B-L2

Bourns

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

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Datasheet

4 027In Stock

1,94 €

1,32 €

1,08 €

1,05 €

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 510Vrms Bulk In-Line

IsoM5-510-B-L2
Bourns
1: 1,86 €
2 950In Stock

Mfr. Part No.
IsoM5-510-B-L2

Mouser Part No
652-ISOM5-510-B-L2

Bourns

Varistors IsoMOV 5KA 510Vrms Bulk In-Line

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Datasheet

2 950In Stock

1,86 €

1,29 €

1,08 €

1,05 €

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/15V

MF-LSMF185X-2
Bourns
1: 0,611 €
8 888In Stock

Mfr. Part No.
MF-LSMF185X-2

Mouser Part No
652-MF-LSMF185X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/15V

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Datasheet

8 888In Stock

Cut Tape

0,611 €

0,469 €

0,439 €

0,332 €

View

Reel

0,249 €

MouseReel Available

Min.: 1
Mult.: 1

: 6 000

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

MF-R250-0-10
Bourns
1: 0,43 €
13 060In Stock

Mfr. Part No.
MF-R250-0-10

Mouser Part No
652-MF-R250-0-10

Bourns

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

Learn More

Datasheet

13 060In Stock

0,43 €

0,372 €

0,334 €

0,286 €

View

Min.: 1
Mult.: 1

Circuit Protection

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