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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: 359,615

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Part #

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXJ+15NFNF-A
PolyPhaser
1: £159.87
4In Stock
New Product

Mfr. Part No.
CGXJ+15NFNF-A

Mouser Part No
44-CGXJ+15NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

4In Stock

£159.87

£153.12

Min.: 1
Mult.: 1

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

GPS+06NFSF
PolyPhaser
1: £109.86
3In Stock
New Product

Mfr. Part No.
GPS+06NFSF

Mouser Part No
44-GPS+06NFSF

New Product

PolyPhaser

Connectorised Surge Protectors Type N/SMA 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

3In Stock

£109.86

£104.20

Min.: 1
Mult.: 1

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

HT-RO-E3PM-DCP
PolyPhaser
1: £285.42
1In Stock
New Product

Mfr. Part No.
HT-RO-E3PM-DCP

Mouser Part No
44-HT-RO-E3PM-DCP

New Product

PolyPhaser

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

Datasheet

1In Stock

£285.42

£273.35

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount

IS-B50HN-C2-MA
PolyPhaser
1: £80.13
13In Stock
New Product

Mfr. Part No.
IS-B50HN-C2-MA

Mouser Part No
44-IS-B50HN-C2-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount

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Datasheet

13In Stock

£80.13

£76.00

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-NEMP-C0-MA
PolyPhaser
1: £133.13
5In Stock
New Product

Mfr. Part No.
IS-NEMP-C0-MA

Mouser Part No
44-IS-NEMP-C0-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

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Datasheet

5In Stock

£133.13

£126.27

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, Gold-Plated Pins

TSX-NFM-G
PolyPhaser
1: £148.03
1In Stock
New Product

Mfr. Part No.
TSX-NFM-G

Mouser Part No
44-TSX-NFM-G

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, Gold-Plated Pins

Datasheet

1In Stock

£148.03

£141.77

Min.: 1
Mult.: 1

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

TSXDC-4310FM
PolyPhaser
1: £189.49
5In Stock
New Product

Mfr. Part No.
TSXDC-4310FM

Mouser Part No
44-TSXDC-4310FM

New Product

PolyPhaser

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

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Datasheet

5In Stock

£189.49

£181.47

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM

TUSX-DFM
PolyPhaser
1: £146.85
7In Stock
New Product

Mfr. Part No.
TUSX-DFM

Mouser Part No
44-TUSX-DFM

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM

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Datasheet

7In Stock

£146.85

£140.64

Min.: 1
Mult.: 1

Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up

VHF50B43-MA-BU
PolyPhaser
1: £164.61
1In Stock
New Product

Mfr. Part No.
VHF50B43-MA-BU

Mouser Part No
44-VHF50B43-MA-BU

New Product

PolyPhaser

Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up

Datasheet

1In Stock

£164.61

£157.65

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX,

REX22D-TD2-100-DC24V-1A/2A/4A-E
E-T-A
1: £79.75
4In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-1A/2A/4A-E

Mouser Part No
457-REX22DTD2124E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX,

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Datasheet

4In Stock

£79.75

£66.59

£61.89

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX

REX22D-TD2-100-DC24V-6A/8A/10A-E
E-T-A
1: £79.75
7In Stock
New Product

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

Mouser Part No
457-REX22DTD26810E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX

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Datasheet

7In Stock

£79.75

£66.59

£61.89

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX

REX22D-TE2-100-DC24V-1A-10A-E
E-T-A
1: £77.95
4In Stock
New Product

Mfr. Part No.
REX22D-TE2-100-DC24V-1A-10A-E

Mouser Part No
457-REX22DTE21A10AE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX

Learn More

Datasheet

4In Stock

£77.95

£64.97

£60.50

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS

4SMF10CA-M3/I
Vishay Semiconductors
1: £0.368
7,932In Stock
New Product

Mfr. Part No.
4SMF10CA-M3/I

Mouser Part No
78-4SMF10CA-M3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS

Datasheet

7,932In Stock

Cut Tape

£0.368

£0.254

£0.125

£0.104

Reel

£0.047

View

Min.: 1
Mult.: 1

: 10,000

NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 0603 10kOhm 3% B-3624 soft

B57343V6103H360
TDK
1: £0.285
2,800In Stock
New Product

Mfr. Part No.
B57343V6103H360

Mouser Part No
871-B57343V6103H360

New Product

TDK

NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 0603 10kOhm 3% B-3624 soft

Datasheet

2,800In Stock

Cut Tape

£0.285

£0.266

£0.236

£0.224

Reel

£0.17

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 1206 5kOhm 3% B-3455 HT Series

B57621C5502H062
TDK
1: £0.615
2,800In Stock
New Product

Mfr. Part No.
B57621C5502H062

Mouser Part No
871-B57621C5502H062

New Product

TDK

NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 1206 5kOhm 3% B-3455 HT Series

Datasheet

2,800In Stock

Cut Tape

£0.615

£0.58

£0.472

£0.443

View

Reel

£0.32

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor

111-1010
PolyPhaser
1: £87.88
10In Stock
New Product

Mfr. Part No.
111-1010

Mouser Part No
44-111-1010

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor

Datasheet

10In Stock

£87.88

£83.36

Min.: 1
Mult.: 1

Surge Protection Accessories Hardware Kit, 108-1118B

9100-0453-A
PolyPhaser
1: £21.14
28In Stock
New Product

Mfr. Part No.
9100-0453-A

Mouser Part No
44-9100-0453-A

New Product

PolyPhaser

Surge Protection Accessories Hardware Kit, 108-1118B

Datasheet

28In Stock

£21.14

£17.94

£17.14

£15.32

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXZ+36NFNF-A
PolyPhaser
1: £127.96
26In Stock
18Expected 08/09/2026
New Product

Mfr. Part No.
CGXZ+36NFNF-A

Mouser Part No
44-CGXZ+36NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

26In Stock

18Expected 08/09/2026

£127.96

£121.36

Min.: 1
Mult.: 1

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

Learn More

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

Learn More

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

Learn More

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

Learn More

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
8On 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

Learn More

Datasheet

7In Stock

8On Order

£104.69

£99.30

Min.: 1
Mult.: 1

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