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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: 359,447

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Part #

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM

TSX-DFF
PolyPhaser
1: $189.37
4In Stock
New Product

Mfr. Part No.
TSX-DFF

Mouser Part No
44-TSX-DFF

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM

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Datasheet

4In Stock

$189.37

$179.61

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, w/ Bracket

TSX-DFM-BF
PolyPhaser
1: $195.59
6In Stock
New Product

Mfr. Part No.
TSX-DFM-BF

Mouser Part No
44-TSX-DFM-BF

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, w/ Bracket

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Datasheet

6In Stock

$195.59

$187.32

Min.: 1
Mult.: 1

Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM

TSXDC-4310FF
PolyPhaser
1: $190.86
4In Stock
New Product

Mfr. Part No.
TSXDC-4310FF

Mouser Part No
44-TSXDC-4310FF

New Product

PolyPhaser

Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM

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Datasheet

4In Stock

$190.86

$182.79

Min.: 1
Mult.: 1

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV

PM12-T03-00-GND-20A-E
E-T-A
1: $35.79
11In Stock
New Product

Mfr. Part No.
PM12-T03-00-GND-20A-E

Mouser Part No
457-PM12T0300GND2AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV

Datasheet

11In Stock

$35.79

$27.41

$25.48

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,16A,ATX

REX22D-TA1-100-DC24V-16A-E
E-T-A
1: $87.56
3In Stock
12Expected 14/09/2026
New Product

Mfr. Part No.
REX22D-TA1-100-DC24V-16A-E

Mouser Part No
457-REX22DTA116E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,16A,ATX

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Datasheet

3In Stock

12Expected 14/09/2026

$87.56

$72.07

$71.01

$66.98

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX

REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E
E-T-A
1: $106.22
4In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E

Mouser Part No
457-REX22DTD2234681E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX

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Datasheet

4In Stock

$106.22

$88.70

$82.43

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX

REX22D-TD2-100-DC24V-2A/4A/6A-E
E-T-A
1: $106.22
13In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2A/4A/6A-E

Mouser Part No
457-REX22DTD22A4A6AE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX

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Datasheet

13In Stock

$106.22

$88.70

$82.43

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX

REX22D-TE2-100-DC24V-1A-3,6A-CL2-E
E-T-A
1: $103.82
9In Stock
New Product

Mfr. Part No.
REX22D-TE2-100-DC24V-1A-3,6A-CL2-E

Mouser Part No
457-REX22DTE2136CLE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX

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Datasheet

9In Stock

$103.82

$86.54

$80.58

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 500mm

20016752-00
TE Connectivity
1: $922.23
1In Stock
New Product

Mfr. Part No.
20016752-00

Mouser Part No
571-20016752-00

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 500mm

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Datasheet

1In Stock

$922.23

$843.13

$776.65

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A

ESR3XLUB0315XI
Littelfuse
1: $584.46
2In Stock
1Expected 29/12/2026
New Product

Mfr. Part No.
ESR3XLUB0315XI

Mouser Part No
576-ESR3XLUB0315XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A

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Datasheet

2In Stock

1Expected 29/12/2026

$584.46

$479.91

$436.84

Quote

Min.: 1
Mult.: 1

Triacs 0.8A 600V Sens SOT-89

LX809MBRP
Littelfuse
1: $1.36
700In Stock
200On Order
New Product

Mfr. Part No.
LX809MBRP

Mouser Part No
576-LX809MBRP

New Product

Littelfuse

Triacs 0.8A 600V Sens SOT-89

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Datasheet

700In Stock

200On Order

Cut Tape

$1.36

$0.837

$0.55

$0.438

Reel

$0.372

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe CE2 Type R37=29.37kOhms 2.5% Temp. Range -20 to 90

PT2C-51F-CE2
Shibaura Electronics
1: $6.06
100In Stock
New Product

Mfr. Part No.
PT2C-51F-CE2

Mouser Part No
603-PT2C-51F-CE2

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe CE2 Type R37=29.37kOhms 2.5% Temp. Range -20 to 90

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Datasheet

100In Stock

$6.06

$5.52

$4.69

$4.49

View

Min.: 1
Mult.: 1

Industrial Surge Protectors SFP2-1S-1-20A-230AC-UT

1292605
Phoenix Contact
1: $256.47
2In Stock
24On Order
New Product

Mfr. Part No.
1292605

Mouser Part No
651-1292605

New Product

Phoenix Contact

Industrial Surge Protectors SFP2-1S-1-20A-230AC-UT

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Datasheet

2In Stock

24On Order

$256.47

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

PF-1NH100E550B2
Bourns
1: $364.77
4In Stock
New Product

Mfr. Part No.
PF-1NH100E550B2

Mouser Part No
652-PF-1NH100E550B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

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Datasheet

4In Stock

$364.77

$290.05

$267.29

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882

SC1003-01ETG
Littelfuse
1: $0.60
10,080In Stock
New Product

Mfr. Part No.
SC1003-01ETG

Mouser Part No
576-SC1003-01ETG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882

Learn More

Datasheet

10,080In Stock

Cut Tape

$0.60

$0.367

$0.234

$0.195

Reel

$0.109

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MG1 Type R180=1.247kOhms 3% Temp. Range -40 to 200

PL3C-312-MG1
Shibaura Electronics
1: $12.12
100In Stock
New Product

Mfr. Part No.
PL3C-312-MG1

Mouser Part No
603-PL3C-312-MG1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MG1 Type R180=1.247kOhms 3% Temp. Range -40 to 200

Learn More

Datasheet

100In Stock

$12.12

$11.04

$9.38

$8.96

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP3 Type R200=1.0kOhms 5% Temp. Range -40 to 200

PL3FC-312-MP3
Shibaura Electronics
1: $12.12
100In Stock
New Product

Mfr. Part No.
PL3FC-312-MP3

Mouser Part No
603-PL3FC-312-MP3

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP3 Type R200=1.0kOhms 5% Temp. Range -40 to 200

Learn More

Datasheet

100In Stock

$12.12

$11.04

$9.38

$8.96

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KN3 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

PT3M-51F-KN3
Shibaura Electronics
1: $6.06
99In Stock
New Product

Mfr. Part No.
PT3M-51F-KN3

Mouser Part No
603-PT3M-51F-KN3

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KN3 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

Learn More

Datasheet

99In Stock

$6.06

$5.52

$4.69

$4.49

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe RT1 Type R100=3.3kOhms 2.5% Temp. Range -20 to 180

PTP-51F-RT1
Shibaura Electronics
1: $6.06
99In Stock
New Product

Mfr. Part No.
PTP-51F-RT1

Mouser Part No
603-PTP-51F-RT1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe RT1 Type R100=3.3kOhms 2.5% Temp. Range -20 to 180

Learn More

Datasheet

99In Stock

$6.06

$5.52

$4.69

$4.49

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

CDSOD323-T24LC-Q
Bourns
1: $1.24
2,037In Stock
New Product

Mfr. Part No.
CDSOD323-T24LC-Q

Mouser Part No
652-CDSOD323-T24LC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

Learn More

Datasheet

2,037In Stock

Cut Tape

$1.24

$0.776

$0.51

$0.397

Reel

$0.307

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

ESR3XLUB0450XI
Littelfuse
1: $614.31
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0450XI

Mouser Part No
576-ESR3XLUB0450XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

Learn More

Datasheet

3In Stock

$614.31

$504.42

$459.15

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

SC3000-01UTG
Littelfuse
1: $1.59
3,100In Stock
New Product

Mfr. Part No.
SC3000-01UTG

Mouser Part No
576-SC3000-01UTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

Learn More

Datasheet

3,100In Stock

Cut Tape

$1.59

$1.01

$0.666

$0.522

Reel

$0.406

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

SCRs 8A 800V Std TO-251 V-PAK

SJ8008VTP
Littelfuse
1: $3.10
750In Stock
New Product

Mfr. Part No.
SJ8008VTP

Mouser Part No
576-SJ8008VTP

New Product

Littelfuse

SCRs 8A 800V Std TO-251 V-PAK

Learn More

Datasheet

750In Stock

$3.10

$2.02

$1.39

$1.16

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP1 Type R(100) =3.3kOhms +/-5% Temp. Range -30 to 200

PT3FC-51F-MP1
Shibaura Electronics
1: $12.12
99In Stock
New Product

Mfr. Part No.
PT3FC-51F-MP1

Mouser Part No
603-PT3FC-51F-MP1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe MP1 Type R(100) =3.3kOhms +/-5% Temp. Range -30 to 200

Learn More

Datasheet

99In Stock

$12.12

$11.04

$9.38

$8.96

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe OCK1 Type R200=1.0kOhms 5% Temp. Range -20 to 300

PTM-312-OCK1
Shibaura Electronics
1: $6.06
100In Stock
New Product

Mfr. Part No.
PTM-312-OCK1

Mouser Part No
603-PTM-312-OCK1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe OCK1 Type R200=1.0kOhms 5% Temp. Range -20 to 300

Learn More

Datasheet

100In Stock

$6.06

$5.52

$4.69

$4.49

View

Min.: 1
Mult.: 1

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