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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: 361,321

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RoHS Compliant

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Part #

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

TP5.0SMDJ300CA
Littelfuse
1: £4.97
3,785In Stock
New Product

Mfr. Part No.
TP5.0SMDJ300CA

Mouser Part No
576-TP5.0SMDJ300CA

New Product

Littelfuse

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

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Datasheet

3,785In Stock

Cut Tape

£4.97

£3.57

£2.89

£2.57

Reel

£2.57

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

20016752-02
TE Connectivity
1: £651.37
4In Stock
10On Order
New Product

Mfr. Part No.
20016752-02

Mouser Part No
571-20016752-02

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

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Datasheet

4In Stock

10On Order

£651.37

£595.50

£548.54

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Min.: 1
Mult.: 1

Surge Protection Accessories Supplemental Hardware and Materials to for Low Inductance Grounding

CU-SPGP
PolyPhaser
1: £461.65
3In Stock
2Expected 03/07/2026
New Product

Mfr. Part No.
CU-SPGP

Mouser Part No
44-CU-SPGP

New Product

PolyPhaser

Surge Protection Accessories Supplemental Hardware and Materials to for Low Inductance Grounding

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Datasheet

3In Stock

2Expected 03/07/2026

£461.65

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect

PE73SP1038
Pasternack
1: £103.35
2In Stock
4Expected 11/06/2026
New Product

Mfr. Part No.
PE73SP1038

Mouser Part No
28-PE73SP1038

New Product

Pasternack

Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect

Datasheet

2In Stock

4Expected 11/06/2026

£103.35

£86.08

£85.29

£83.73

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Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount

109-0501W-A
PolyPhaser
1: £125.37
9In Stock
6Expected 09/06/2026
New Product

Mfr. Part No.
109-0501W-A

Mouser Part No
44-109-0501W-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount

Datasheet

9In Stock

6Expected 09/06/2026

£125.37

£118.92

Min.: 1
Mult.: 1

Surge Protection Accessories L-Shaped Adapter

BF-ADAPTER
PolyPhaser
1: £22.37
19In Stock
New Product

Mfr. Part No.
BF-ADAPTER

Mouser Part No
44-BF-ADAPTER

New Product

PolyPhaser

Surge Protection Accessories L-Shaped Adapter

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Datasheet

19In Stock

£22.37

£19.00

£18.14

£16.22

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount

DGXE+24DMDF-A
PolyPhaser
1: £163.43
5In Stock
New Product

Mfr. Part No.
DGXE+24DMDF-A

Mouser Part No
44-DGXE+24DMDF-A

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

5In Stock

£163.43

£156.51

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 650MHz - 2.7GHz, 400W, IP67, 30 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXE+30NMNF-A
PolyPhaser
1: £130.55
7In Stock
New Product

Mfr. Part No.
DGXE+30NMNF-A

Mouser Part No
44-DGXE+30NMNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 650MHz - 2.7GHz, 400W, IP67, 30 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

7In Stock

£130.55

£123.82

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Up, Hole Mount

DGXZ+06NMNF-Z
PolyPhaser
1: £146.05
4In Stock
New Product

Mfr. Part No.
DGXZ+06NMNF-Z

Mouser Part No
44-DGXZ+06NMNF-Z

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Up, Hole Mount

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Datasheet

4In Stock

£146.05

£138.54

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ+36NMNF-A
PolyPhaser
1: £124.07
9In Stock
New Product

Mfr. Part No.
DGXZ+36NMNF-A

Mouser Part No
44-DGXZ+36NMNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

9In Stock

£124.07

£117.69

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode

GPS+06NFF
PolyPhaser
1: £103.40
6In Stock
New Product

Mfr. Part No.
GPS+06NFF

Mouser Part No
44-GPS+06NFF

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode

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Datasheet

6In Stock

£103.40

£98.06

Min.: 1
Mult.: 1

Connectorised Surge Protectors 75 Ohm Type F F/F Coaxial RF Surge Protector, 4MHz - 900MHz, DC Block, 100W, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-75F-C1
PolyPhaser
1: £82.72
5In Stock
New Product

Mfr. Part No.
IS-75F-C1

Mouser Part No
44-IS-75F-C1

New Product

PolyPhaser

Connectorised Surge Protectors 75 Ohm Type F F/F Coaxial RF Surge Protector, 4MHz - 900MHz, DC Block, 100W, 50kA, Blocking Cap, Bracket Up, Hole Mount

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Datasheet

5In Stock

£82.72

£78.46

Min.: 1
Mult.: 1

Surge Protection Accessories IX Series Pole Mount Kit

IX-POLE-KIT
PolyPhaser
1: £50.87
9In Stock
New Product

Mfr. Part No.
IX-POLE-KIT

Mouser Part No
44-IX-POLE-KIT

New Product

PolyPhaser

Surge Protection Accessories IX Series Pole Mount Kit

Datasheet

9In Stock

£50.87

£48.16

Min.: 1
Mult.: 1

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 1 1/4 to 2 1/4 inch

TK-2
PolyPhaser
1: £36.71
9In Stock
New Product

Mfr. Part No.
TK-2

Mouser Part No
44-TK-2

New Product

PolyPhaser

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 1 1/4 to 2 1/4 inch

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Datasheet

9In Stock

£36.71

£34.25

£32.81

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

TSX-DFM
PolyPhaser
1: £172.91
5In Stock
New Product

Mfr. Part No.
TSX-DFM

Mouser Part No
44-TSX-DFM

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

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Datasheet

5In Stock

£172.91

£165.59

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter

TSX-NFM
PolyPhaser
1: £104.69
7In Stock
New Product

Mfr. Part No.
TSX-NFM

Mouser Part No
44-TSX-NFM

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter

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Datasheet

7In Stock

£104.69

£99.30

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 0.5MHz - 1GHz, DC Block, 750W, IP67, 15mJ, 20kA, Filter, Bracket Down, Hole Mount

VUF50NHP-MA
PolyPhaser
1: £216.73
3In Stock
New Product

Mfr. Part No.
VUF50NHP-MA

Mouser Part No
44-VUF50NHP-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 0.5MHz - 1GHz, DC Block, 750W, IP67, 15mJ, 20kA, Filter, Bracket Down, Hole Mount

Datasheet

3In Stock

£216.73

£207.56

Min.: 1
Mult.: 1

Circuit Breaker Accessories 508, DM, 40A Supply Module, IOLink, ATEX

EM12D-TIO-000-DC24V-40A-E
E-T-A
1: £100.25
6In Stock
New Product

Mfr. Part No.
EM12D-TIO-000-DC24V-40A-E

Mouser Part No
457-EM12DTIO24V4AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 40A Supply Module, IOLink, ATEX

Datasheet

6In Stock

£100.25

£85.09

£79.08

Min.: 1
Mult.: 1

Circuit Breaker Accessories 508, DM, 40A Supply Module, Modbus, ATEX

EM12D-TMB-000-DC24V-40A-E
E-T-A
1: £136.40
3In Stock
New Product

Mfr. Part No.
EM12D-TMB-000-DC24V-40A-E

Mouser Part No
457-EM12DTMB24V4AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 40A Supply Module, Modbus, ATEX

Datasheet

3In Stock

£136.40

£132.63

£118.27

£109.91

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-SPP-T2-335-1+0-UT-R

1466578
Phoenix Contact
1: £74.36
7In Stock
New Product

Mfr. Part No.
1466578

Mouser Part No
651-1466578

New Product

Phoenix Contact

Industrial Surge Protectors VAL-SPP-T2-335-1+0-UT-R

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Datasheet

7In Stock

£74.36

£68.32

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 3A F2 NO P

1509522
Phoenix Contact
1: £33.39
40In Stock
New Product

Mfr. Part No.
1509522

Mouser Part No
651-1509522

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 3A F2 NO P

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Datasheet

40In Stock

£33.39

£31.72

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 4A M1 NO P

1575566
Phoenix Contact
1: £22.45
22In Stock
New Product

Mfr. Part No.
1575566

Mouser Part No
651-1575566

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 4A M1 NO P

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Datasheet

22In Stock

£22.45

£21.48

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-120/65/1+0-R

1790752
Phoenix Contact
1: £74.24
7In Stock
New Product

Mfr. Part No.
1790752

Mouser Part No
651-1790752

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-120/65/1+0-R

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Datasheet

7In Stock

£74.24

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-240/50-P

1790761
Phoenix Contact
1: £41.29
6In Stock
New Product

Mfr. Part No.
1790761

Mouser Part No
651-1790761

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-240/50-P

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Datasheet

6In Stock

£41.29

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-240D/65-P

1803625
Phoenix Contact
1: £54.06
7In Stock
New Product

Mfr. Part No.
1803625

Mouser Part No
651-1803625

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-240D/65-P

Learn More

Datasheet

7In Stock

£54.06

Min.: 1
Mult.: 1

Circuit Protection

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