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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: 361,299

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Part #

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
3In 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

3In 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

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Datasheet

7In Stock

£54.06

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN12A-M3/H
Vishay Semiconductors
1: £0.908
3,000In Stock
New Product

Mfr. Part No.
2KDFN12A-M3/H

Mouser Part No
78-2KDFN12A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

£0.908

£0.571

£0.375

£0.29

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3KW,13V 5%, DFN6546A BIDIR TVS

3KDFN13CA-M3/H
Vishay Semiconductors
1: £1.18
3,000In Stock
New Product

Mfr. Part No.
3KDFN13CA-M3/H

Mouser Part No
78-3KDFN13CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,13V 5%, DFN6546A BIDIR TVS

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Datasheet

3,000In Stock

Cut Tape

£1.18

£0.749

£0.496

£0.388

Reel

£0.298

View

Min.: 1
Mult.: 1

: 1,500

ESD Protection Diodes / TVS Diodes 3KW,16V 5%, DFN6546A BIDIR TVS

3KDFN16CA-M3/H
Vishay Semiconductors
1: £1.18
3,000In Stock
New Product

Mfr. Part No.
3KDFN16CA-M3/H

Mouser Part No
78-3KDFN16CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,16V 5%, DFN6546A BIDIR TVS

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Datasheet

3,000In Stock

Cut Tape

£1.18

£0.749

£0.496

£0.388

Reel

£0.298

View

Min.: 1
Mult.: 1

: 1,500

ESD Protection Diodes / TVS Diodes Diode, TVS, uni-dir, 1000W, 9.0V, 5%, SMB (DO-214AA), auto-grade

SMB10J9.0AHM3_B/I
Vishay Semiconductors
1: £0.773
2,240In Stock
New Product

Mfr. Part No.
SMB10J9.0AHM3_B/I

Mouser Part No
78-SMB10J9.0AHM3_B/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes Diode, TVS, uni-dir, 1000W, 9.0V, 5%, SMB (DO-214AA), auto-grade

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Datasheet

2,240In Stock

Cut Tape

£0.773

£0.486

£0.319

£0.245

Reel

£0.193

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,200

ESD Protection Diodes / TVS Diodes 400W,33V5%,SMFBIDIRTVS

T4F33CAHM3/I
Vishay Semiconductors
1: £0.361
10,000In Stock
New Product

Mfr. Part No.
T4F33CAHM3/I

Mouser Part No
78-T4F33CAHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,33V5%,SMFBIDIRTVS

Learn More

Datasheet

10,000In Stock

Cut Tape

£0.361

£0.247

£0.14

£0.11

Reel

£0.067

View

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VLIN26A1-03GHE3A08
Vishay
1: £0.292
8,759In Stock
New Product

Mfr. Part No.
VLIN26A1-03GHE3A08

Mouser Part No
78-VLIN26A1-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

8,759In Stock

Cut Tape

£0.292

£0.196

£0.115

£0.087

Reel

£0.065

View

Min.: 1
Mult.: 1

: 3,000

Connectorised Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

PE73SP1061
Pasternack
1: £152.73
1In Stock
New Product

Mfr. Part No.
PE73SP1061

Mouser Part No
28-PE73SP1061

New Product

Pasternack

Connectorised Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

Datasheet

1In Stock

£152.73

£130.77

£126.09

£125.14

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: £133.13
1In Stock
5Expected 12/06/2026
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

1In Stock

5Expected 12/06/2026

£133.13

£126.26

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: £77.54
9In 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

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Datasheet

9In Stock

£77.54

£73.55

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: £84.01
9In 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

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Datasheet

9In Stock

£84.01

£79.68

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
5In 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

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Datasheet

5In 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: £112.44
5In 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

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Datasheet

5In Stock

£112.44

£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: £38.05
9In 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

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Datasheet

9In Stock

£38.05

£35.50

£34.02

£34.01

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
9In 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

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Datasheet

9In 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: £140.88
8In 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

8In Stock

£140.88

£133.62

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: £171.72
4In Stock
2Expected 03/07/2026
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

4In Stock

2Expected 03/07/2026

£171.72

£164.45

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
3In 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

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Datasheet

3In Stock

£164.61

£157.65

Min.: 1
Mult.: 1

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