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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: 359,335

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Part #

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXZ+36NMNF-A
PolyPhaser
1: £140.88
7In Stock
New Product

Mfr. Part No.
CGXZ+36NMNF-A

Mouser Part No
44-CGXZ+36NMNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

7In Stock

£140.88

£133.63

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 500W, IP67, 48 V Max., 146uJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXH+48DMDF-A
PolyPhaser
1: £152.77
5In Stock
New Product

Mfr. Part No.
DGXH+48DMDF-A

Mouser Part No
44-DGXH+48DMDF-A

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 500W, IP67, 48 V Max., 146uJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

5In Stock

£152.77

£146.31

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 550MHz - 2700MHz, DC Pass, 6V, IP67, 20kA, Hybrid, Bracket Up, Hole Mount

DGXR+06NMNF-Z
PolyPhaser
1: £120.20
5In Stock
New Product

Mfr. Part No.
DGXR+06NMNF-Z

Mouser Part No
44-DGXR+06NMNF-Z

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 550MHz - 2700MHz, DC Pass, 6V, IP67, 20kA, Hybrid, Bracket Up, Hole Mount

Datasheet

5In Stock

£120.20

£114.01

Min.: 1
Mult.: 1

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

DGXZ+06NFNF-B
PolyPhaser
1: £140.88
8In Stock
2Expected 11/09/2026
New Product

Mfr. Part No.
DGXZ+06NFNF-B

Mouser Part No
44-DGXZ+06NFNF-B

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/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

8In Stock

2Expected 11/09/2026

£140.88

£133.62

Min.: 1
Mult.: 1

Connectorised Surge Protectors TNC M/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.5GHz, DC Block, 500W, IP67, .5uJ, 18kA, Filter

DSXL-T-MA
PolyPhaser
1: £225.02
2In Stock
New Product

Mfr. Part No.
DSXL-T-MA

Mouser Part No
44-DSXL-T-MA

New Product

PolyPhaser

Connectorised Surge Protectors TNC M/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.5GHz, DC Block, 500W, IP67, .5uJ, 18kA, Filter

Datasheet

2In Stock

£225.02

£215.50

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, 90W, IP67, 9 V Max., 5mJ, 20kA, Gas Discharge Tube

GT-NFSF-AL
PolyPhaser
1: £96.93
7In Stock
New Product

Mfr. Part No.
GT-NFSF-AL

Mouser Part No
44-GT-NFSF-AL

New Product

PolyPhaser

Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, 90W, IP67, 9 V Max., 5mJ, 20kA, Gas Discharge Tube

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Datasheet

7In Stock

£96.93

£91.94

Min.: 1
Mult.: 1

Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount

IS-B50HU-C0
PolyPhaser
1: £104.69
7In Stock
5On Order
New Product

Mfr. Part No.
IS-B50HU-C0

Mouser Part No
44-IS-B50HU-C0

New Product

PolyPhaser

Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount

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Datasheet

7In Stock

5On Order

£104.69

£99.30

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount

IS-B50LN-C2-MA
PolyPhaser
1: £85.29
5In Stock
New Product

Mfr. Part No.
IS-B50LN-C2-MA

Mouser Part No
44-IS-B50LN-C2-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount

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Datasheet

5In Stock

£85.29

£80.90

Min.: 1
Mult.: 1

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX

PM12-T01-00-LOAD-20A-E
E-T-A
1: £29.23
7In Stock
New Product

Mfr. Part No.
PM12-T01-00-LOAD-20A-E

Mouser Part No
457-PM12T100LOAD2AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX

Datasheet

7In Stock

£29.23

£22.55

£22.21

£20.95

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,20A,ATX

REX22D-TA1-100-DC24V-20A-E
E-T-A
1: £65.74
11In Stock
New Product

Mfr. Part No.
REX22D-TA1-100-DC24V-20A-E

Mouser Part No
457-REX22DTA120E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,20A,ATX

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Datasheet

11In Stock

£65.74

£54.11

£53.31

£50.28

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 1000mm ENG MODEL

10219128-01
TE Connectivity
1: £374.03
1In Stock
New Product

Mfr. Part No.
10219128-01

Mouser Part No
571-10219128-01

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 1000mm ENG MODEL

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Datasheet

1In Stock

£374.03

£341.95

£314.99

£295.33

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS

4SMF18CA-M3/I
Vishay Semiconductors
1: £0.368
6,678In Stock
New Product

Mfr. Part No.
4SMF18CA-M3/I

Mouser Part No
78-4SMF18CA-M3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS

Datasheet

6,678In Stock

Cut Tape

£0.368

£0.254

£0.125

£0.104

Reel

£0.047

View

Min.: 1
Mult.: 1

: 10,000

Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit

BF4310
PolyPhaser
1: £39.91
10In Stock
New Product

Mfr. Part No.
BF4310

Mouser Part No
44-BF4310

New Product

PolyPhaser

Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit

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Datasheet

10In Stock

£39.91

£37.48

£36.27

Min.: 1
Mult.: 1

Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter

BFD
PolyPhaser
1: £29.69
24In Stock
New Product

Mfr. Part No.
BFD

Mouser Part No
44-BFD

New Product

PolyPhaser

Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter

Learn More

Datasheet

24In Stock

£29.69

£27.70

£26.55

£26.54

Quote

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

BGXZ-60NFNF-ALT
PolyPhaser
1: £135.01
4In Stock
68On Order
New Product

Mfr. Part No.
BGXZ-60NFNF-ALT

Mouser Part No
44-BGXZ-60NFNF-ALT

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

4In Stock

68On Order

£135.01

£129.29

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

BGXZ-60NFNM-ALT
PolyPhaser
1: £139.74
1In Stock
New Product

Mfr. Part No.
BGXZ-60NFNM-ALT

Mouser Part No
44-BGXZ-60NFNM-ALT

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

1In Stock

£139.74

£133.83

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXJ+24NFNF-A
PolyPhaser
1: £143.47
3In Stock
New Product

Mfr. Part No.
DGXJ+24NFNF-A

Mouser Part No
44-DGXJ+24NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

3In Stock

£143.47

£136.08

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc

ESXDC-DFM
PolyPhaser
1: £143.29
5In Stock
New Product

Mfr. Part No.
ESXDC-DFM

Mouser Part No
44-ESXDC-DFM

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc

Learn More

Datasheet

5In Stock

£143.29

£137.24

Min.: 1
Mult.: 1

Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube

GT-TFM-AL
PolyPhaser
1: £73.66
5In Stock
New Product

Mfr. Part No.
GT-TFM-AL

Mouser Part No
44-GT-TFM-AL

New Product

PolyPhaser

Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

5In Stock

£73.66

£69.87

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50NX-C2-MA
PolyPhaser
1: £63.96
16In Stock
New Product

Mfr. Part No.
IS-50NX-C2-MA

Mouser Part No
44-IS-50NX-C2-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Learn More

Datasheet

16In Stock

£63.96

£60.67

Min.: 1
Mult.: 1

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair Dual Telco Trunk, UL 497B

IX-2T
PolyPhaser
1: £137.37
1In Stock
New Product

Mfr. Part No.
IX-2T

Mouser Part No
44-IX-2T

New Product

PolyPhaser

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair Dual Telco Trunk, UL 497B

Datasheet

1In Stock

£137.37

£131.56

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

RGT-DFF
PolyPhaser
1: £94.35
6In Stock
7Expected 08/09/2026
New Product

Mfr. Part No.
RGT-DFF

Mouser Part No
44-RGT-DFF

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

6In Stock

7Expected 08/09/2026

£94.35

£89.48

Min.: 1
Mult.: 1

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: £142.18
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

Learn More

Datasheet

4In Stock

£142.18

£134.84

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: £146.85
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

Learn More

Datasheet

6In Stock

£146.85

£140.64

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: £143.29
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

Learn More

Datasheet

4In Stock

£143.29

£137.24

Min.: 1
Mult.: 1

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