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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, 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: 360,711

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Part #

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: $177.36
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

$177.36

$168.22

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: $197.21
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

$197.21

$188.86

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: $252.44
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

$252.44

$241.75

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: $195.63
5In 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

5In Stock

$195.63

$187.36

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: $219.30
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

$219.30

$210.01

Min.: 1
Mult.: 1

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

VHF50HD-MA
PolyPhaser
1: $179.86
7In Stock
New Product

Mfr. Part No.
VHF50HD-MA

Mouser Part No
44-VHF50HD-MA

New Product

PolyPhaser

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

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Datasheet

7In Stock

$179.86

$172.24

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter

WSXM
PolyPhaser
1: $257.16
5In Stock
13On Order
New Product

Mfr. Part No.
WSXM

Mouser Part No
44-WSXM

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter

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Datasheet

5In Stock

13On Order

$257.16

$246.29

Min.: 1
Mult.: 1

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

4SMF10CA-M3/I
Vishay Semiconductors
1: $0.49
7,927In 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

7,927In Stock

Cut Tape

$0.49

$0.338

$0.166

$0.138

Reel

$0.063

View

Min.: 1
Mult.: 1

: 10,000

Surge Protection Accessories L-Shaped Adapter

BF-ADAPTER
PolyPhaser
1: $29.81
20In 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

20In Stock

$29.81

$25.31

$24.17

$21.61

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: $194.57
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

$194.57

$184.56

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: $139.47
11In Stock
6Expected 2026/10/21
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

11In Stock

6Expected 2026/10/21

$139.47

$132.28

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: $110.19
7In 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

7In Stock

$110.19

$104.52

Min.: 1
Mult.: 1

Surge Protection Accessories IX Series Pole Mount Kit

IX-POLE-KIT
PolyPhaser
1: $67.77
10In 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

10In Stock

$67.77

$64.16

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: $48.90
10In 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

10In Stock

$48.90

$45.62

$43.71

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: $230.34
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

Learn More

Datasheet

5In Stock

$230.34

$220.60

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: $139.47
9In 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

Learn More

Datasheet

9In Stock

$139.47

$132.28

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: $290.30
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

$290.30

$278.02

Min.: 1
Mult.: 1

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

1790752
Phoenix Contact
1: $98.90
7In Stock
10Expected 2026/10/01
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

Learn More

Datasheet

7In Stock

10Expected 2026/10/01

$98.90

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS

4SMF24CA-M3/I
Vishay Semiconductors
1: $0.50
7,575In Stock
New Product

Mfr. Part No.
4SMF24CA-M3/I

Mouser Part No
78-4SMF24CA-M3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS

Datasheet

7,575In Stock

Cut Tape

$0.50

$0.351

$0.172

$0.144

Reel

$0.066

View

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 400W,28V5%,SMFBIDIRTVS

4SMF28CA-M3/I
Vishay Semiconductors
1: $0.50
7,708In Stock
New Product

Mfr. Part No.
4SMF28CA-M3/I

Mouser Part No
78-4SMF28CA-M3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,28V5%,SMFBIDIRTVS

Datasheet

7,708In Stock

Cut Tape

$0.50

$0.351

$0.172

$0.144

Reel

$0.066

View

Min.: 1
Mult.: 1

: 10,000

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

BF4310
PolyPhaser
1: $53.17
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

Learn More

Datasheet

10In Stock

$53.17

$49.93

$48.32

Min.: 1
Mult.: 1

Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter

BFD
PolyPhaser
1: $39.55
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

$39.55

$36.90

$35.37

$35.36

Quote

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: $191.13
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

$191.13

$181.29

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ+15NFNM-A
PolyPhaser
1: $258.73
1In Stock
New Product

Mfr. Part No.
DGXZ+15NFNM-A

Mouser Part No
44-DGXZ+15NFNM-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

1In Stock

$258.73

$247.80

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: $190.89
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

$190.89

$182.82

Min.: 1
Mult.: 1

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