.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 366,023

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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
15In 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

Learn More

Datasheet

15In Stock

£80.13

£76.00

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube

GT-NFF-AL
PolyPhaser
1: £51.55
31In Stock
New Product

Mfr. Part No.
GT-NFF-AL

Mouser Part No
44-GT-NFF-AL

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

31In Stock

£51.55

£48.80

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube

GT-NFM-AL
PolyPhaser
1: £46.86
36In Stock
New Product

Mfr. Part No.
GT-NFM-AL

Mouser Part No
44-GT-NFM-AL

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

36In Stock

£46.86

£44.37

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3.0GHz, DC Pass, 60V, 2000W, IP67, 20kA, Gas Tube, Bracket Included

103-0324A-A
PolyPhaser
1: £71.08
25In Stock
New Product

Mfr. Part No.
103-0324A-A

Mouser Part No
44-103-0324A-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3.0GHz, DC Pass, 60V, 2000W, IP67, 20kA, Gas Tube, Bracket Included

Datasheet

25In Stock

£71.08

£67.42

Min.: 1
Mult.: 1

Industrial Surge Protectors UL1449 5th Edition Type 1 SPD, Imax 75kA, 120/240 VAC Split Phase

DS72US-240T/NN
Citel
1: £222.59
16In Stock
New Product

Mfr. Part No.
DS72US-240T/NN

Mouser Part No
703-DS72US-240T/NN

New Product

Citel

Industrial Surge Protectors UL1449 5th Edition Type 1 SPD, Imax 75kA, 120/240 VAC Split Phase

Datasheet

16In Stock

£222.59

£186.24

£170.05

£170.03

View

Min.: 1
Mult.: 1

Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube

GT75-FFF
PolyPhaser
1: £112.45
7In Stock
New Product

Mfr. Part No.
GT75-FFF

Mouser Part No
44-GT75-FFF

New Product

PolyPhaser

Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube

Learn More

Datasheet

7In Stock

£112.45

£106.65

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50NX-C0-MA
PolyPhaser
1: £73.66
4In Stock
New Product

Mfr. Part No.
IS-50NX-C0-MA

Mouser Part No
44-IS-50NX-C0-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Learn More

Datasheet

4In Stock

£73.66

£69.87

Min.: 1
Mult.: 1

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

IS-B50LN-C0-MA
PolyPhaser
1: £82.72
8In Stock
New Product

Mfr. Part No.
IS-B50LN-C0-MA

Mouser Part No
44-IS-B50LN-C0-MA

New Product

PolyPhaser

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

Learn More

Datasheet

8In Stock

£82.72

£78.46

Min.: 1
Mult.: 1

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 100Base-T Ethernet, 1 Pair 48Vdc, UL 497B

IX-2H1DC48
PolyPhaser
1: £139.74
4In Stock
New Product

Mfr. Part No.
IX-2H1DC48

Mouser Part No
44-IX-2H1DC48

New Product

PolyPhaser

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 100Base-T Ethernet, 1 Pair 48Vdc, UL 497B

Learn More

Datasheet

4In Stock

£139.74

£133.83

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter

LSXL-ME
PolyPhaser
1: £112.45
4In Stock
New Product

Mfr. Part No.
LSXL-ME

Mouser Part No
44-LSXL-ME

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter

Learn More

Datasheet

4In Stock

£112.45

£106.65

Min.: 1
Mult.: 1

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch

TK-3
PolyPhaser
1: £36.87
8In Stock
New Product

Mfr. Part No.
TK-3

Mouser Part No
44-TK-3

New Product

PolyPhaser

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch

Learn More

Datasheet

8In Stock

£36.87

£34.40

£32.96

Quote

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, w/ Bracket

TSX-NFM-BF
PolyPhaser
1: £124.08
8In Stock
New Product

Mfr. Part No.
TSX-NFM-BF

Mouser Part No
44-TSX-NFM-BF

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, w/ Bracket

Learn More

Datasheet

8In Stock

£124.08

£117.69

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter

TUSX-NFF
PolyPhaser
1: £135.72
7In Stock
New Product

Mfr. Part No.
TUSX-NFF

Mouser Part No
44-TUSX-NFF

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter

Learn More

Datasheet

7In Stock

£135.72

£128.72

Min.: 1
Mult.: 1

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

VHF50B43-MA-BD
PolyPhaser
1: £164.61
1In Stock
4On Order
New Product

Mfr. Part No.
VHF50B43-MA-BD

Mouser Part No
44-VHF50B43-MA-BD

New Product

PolyPhaser

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

Datasheet

1In Stock

4On Order

£164.61

£157.66

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount

VHF50D-MA-PGR
PolyPhaser
1: £164.61
4In Stock
New Product

Mfr. Part No.
VHF50D-MA-PGR

Mouser Part No
44-VHF50D-MA-PGR

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount

Learn More

Datasheet

4In Stock

£164.61

£157.66

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX

REX22D-TD1-100-DC24V-10A/12A/15A-E
E-T-A
1: £84.36
4In Stock
New Product

Mfr. Part No.
REX22D-TD1-100-DC24V-10A/12A/15A-E

Mouser Part No
457-REX22DTD1101215E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX

Learn More

Datasheet

4In Stock

£84.36

£71.21

£67.47

£56.23

£52.48

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX

REX22D-TD1-100-DC24V-12A/16A/20A-E
E-T-A
1: £84.36
6In Stock
New Product

Mfr. Part No.
REX22D-TD1-100-DC24V-12A/16A/20A-E

Mouser Part No
457-REX22DTD1121620E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX

Learn More

Datasheet

6In Stock

£84.36

£71.21

£67.47

£56.23

View

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-SPP-T2-275-1+1-UT-R

1466212
Phoenix Contact
1: £131.76
7In Stock
New Product

Mfr. Part No.
1466212

Mouser Part No
651-1466212

New Product

Phoenix Contact

Industrial Surge Protectors VAL-SPP-T2-275-1+1-UT-R

Learn More

Datasheet

7In Stock

£131.76

£121.18

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 750V

GDT25H-75-S1-RP
Bourns
1: £0.925
1,047In Stock
New Product

Mfr. Part No.
GDT25H-75-S1-RP

Mouser Part No
652-GDT25H-75-S1-RP

New Product

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 750V

Learn More

Datasheet

1,047In Stock

Cut Tape

£0.925

£0.74

£0.613

£0.538

Reel

£0.435

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN26A2-03GHE3A08
Vishay
1: £0.323
5,135In Stock
15,000Expected 09/04/2026
New Product

Mfr. Part No.
VCAN26A2-03GHE3A08

Mouser Part No
78-VCAN26A2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

5,135In Stock

15,000Expected 09/04/2026

£0.323

£0.212

£0.125

£0.094

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN26C2-03GHE3A08
Vishay
1: £0.323
10,280In Stock
New Product

Mfr. Part No.
VCAN26C2-03GHE3A08

Mouser Part No
78-VCAN26C2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

10,280In Stock

£0.323

£0.22

£0.127

£0.098

View

Min.: 1
Mult.: 1

Connectorised Surge Protectors SURG.SMAMST.SMAFBKST.CO Surge Protector DC to 6 GHz SMA(M) Plug Straight to SMA(F) Jack Bulkhead Straight

SURG.SMAMST.SMAFBKST.CO
Taoglas
1: £38.48
7In Stock
New Product

Mfr. Part No.
SURG.SMAMST.SMAFBKST.CO

Mouser Part No
960-SMAMSTSMAFBKSTCO

New Product

Taoglas

Connectorised Surge Protectors SURG.SMAMST.SMAFBKST.CO Surge Protector DC to 6 GHz SMA(M) Plug Straight to SMA(F) Jack Bulkhead Straight

Learn More

Datasheet

7In Stock

£38.48

£32.70

£30.27

£27.81

£27.36

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 100W, 120uJ, 20kA, Blocking Cap, Hole Mount

098-1013G-A
PolyPhaser
1: £78.84
4In Stock
New Product

Mfr. Part No.
098-1013G-A

Mouser Part No
44-098-1013G-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 100W, 120uJ, 20kA, Blocking Cap, Hole Mount

Datasheet

4In Stock

£78.84

£74.78

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter

AL-LSXM-ME
PolyPhaser
1: £54.23
20In Stock
New Product

Mfr. Part No.
AL-LSXM-ME

Mouser Part No
44-AL-LSXM-ME

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter

Learn More

Datasheet

20In Stock

£54.23

£51.34

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 Down, Hole Mount

DGXZ+06NMNF-A
PolyPhaser
1: £146.05
7In Stock
New Product

Mfr. Part No.
DGXZ+06NMNF-A

Mouser Part No
44-DGXZ+06NMNF-A

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 Down, Hole Mount

Learn More

Datasheet

7In Stock

£146.05

£138.54

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support