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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: 362,143

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Part #

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

GT-TFF-AL
PolyPhaser
1: $76.68
47In Stock
61On Order
New Product

Mfr. Part #
GT-TFF-AL

Mouser Part #
44-GT-TFF-AL

New Product

PolyPhaser

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

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Datasheet

47In Stock

61On Order

$76.68

$72.59

Min.: 1
Mult.: 1

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

WSXM
PolyPhaser
1: $257.12
11In Stock
New Product

Mfr. Part #
WSXM

Mouser Part #
44-WSXM

New Product

PolyPhaser

Connectorized 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

11In Stock

$257.12

$246.24

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5KW AECQ-101 TR13 RoHS

TP5.0SMD60CA-FL
Littelfuse
1: $6.95
1,836In Stock
New Product

Mfr. Part #
TP5.0SMD60CA-FL

Mouser Part #
576-TP5.0SMD60CA-FL

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 5KW AECQ-101 TR13 RoHS

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Datasheet

1,836In Stock

Cut Tape

$6.95

$4.67

$3.86

$3.43

Reel

$3.06

Min.: 1
Mult.: 1

: 3,000

Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap

CS3-100
PolyPhaser
1: $1,232.41
3In Stock
New Product

Mfr. Part #
CS3-100

Mouser Part #
44-CS3-100

New Product

PolyPhaser

Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap

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Datasheet

3In Stock

$1,232.41

Min.: 1
Mult.: 1

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

IS-50NX-C2
PolyPhaser
1: $98.12
74In Stock
22Expected 9/9/2026
New Product

Mfr. Part #
IS-50NX-C2

Mouser Part #
44-IS-50NX-C2

New Product

PolyPhaser

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

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Datasheet

74In Stock

22Expected 9/9/2026

$98.12

$93.06

Min.: 1
Mult.: 1

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

IS-50UX-C0
PolyPhaser
1: $84.34
67In Stock
30On Order
New Product

Mfr. Part #
IS-50UX-C0

Mouser Part #
44-IS-50UX-C0

New Product

PolyPhaser

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

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Datasheet

67In Stock

30On Order

$84.34

$80.00

Min.: 1
Mult.: 1

Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B

IXG-05
PolyPhaser
1: $190.86
17In Stock
New Product

Mfr. Part #
IXG-05

Mouser Part #
44-IXG-05

New Product

PolyPhaser

Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B

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Datasheet

17In Stock

$190.86

$182.79

Min.: 1
Mult.: 1

Connectorized Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM

TSX-4310FF-P
PolyPhaser
1: $197.17
9In Stock
New Product

Mfr. Part #
TSX-4310FF-P

Mouser Part #
44-TSX-4310FF-P

New Product

PolyPhaser

Connectorized Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM

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Datasheet

9In Stock

$197.17

$188.83

Min.: 1
Mult.: 1

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

VHF50D-PGR
PolyPhaser
1: $214.53
8In Stock
9Expected 8/13/2026
New Product

Mfr. Part #
VHF50D-PGR

Mouser Part #
44-VHF50D-PGR

New Product

PolyPhaser

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

Datasheet

8In Stock

9Expected 8/13/2026

$214.53

$205.45

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount

VHF50HN
PolyPhaser
1: $160.10
211In Stock
128On Order
New Product

Mfr. Part #
VHF50HN

Mouser Part #
44-VHF50HN

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount

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Datasheet

211In Stock

128On Order

$160.10

$151.85

Min.: 1
Mult.: 1

Industrial Surge Protectors SHOCK BLOCK CLASS A GFCI 208-240V 30A

SB4030-521-00
Littelfuse
1: $525.97
4In Stock
New Product

Mfr. Part #
SB4030-521-00

Mouser Part #
576-SB4030-521-00

New Product

Littelfuse

Industrial Surge Protectors SHOCK BLOCK CLASS A GFCI 208-240V 30A

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Datasheet

4In Stock

$525.97

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 10A M1 NO P

1575580
Phoenix Contact
1: $29.91
234In Stock
New Product

Mfr. Part #
1575580

Mouser Part #
651-1575580

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 10A M1 NO P

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Datasheet

234In Stock

$29.91

$28.60

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-240/50/3+1-R

1790767
Phoenix Contact
1: $358.02
7In Stock
New Product

Mfr. Part #
1790767

Mouser Part #
651-1790767

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-240/50/3+1-R

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Datasheet

7In Stock

$358.02

$351.00

Min.: 1
Mult.: 1

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

DGXZ+15NFNF-A
PolyPhaser
1: $187.70
22In Stock
61Expected 8/21/2026
New Product

Mfr. Part #
DGXZ+15NFNF-A

Mouser Part #
44-DGXZ+15NFNF-A

New Product

PolyPhaser

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

Learn More

Datasheet

22In Stock

61Expected 8/21/2026

$187.70

$179.76

Min.: 1
Mult.: 1

Connectorized Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Up, Hole Mount

DGXZ+15TFTF-BN
PolyPhaser
1: $194.54
23In Stock
New Product

Mfr. Part #
DGXZ+15TFTF-BN

Mouser Part #
44-DGXZ+15TFTF-BN

New Product

PolyPhaser

Connectorized Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Up, Hole Mount

Learn More

Datasheet

23In Stock

$194.54

$184.52

Min.: 1
Mult.: 1

Connectorized 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: $78.46
293In Stock
96On Order
New Product

Mfr. Part #
GT-NFF-AL

Mouser Part #
44-GT-NFF-AL

New Product

PolyPhaser

Connectorized 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

293In Stock

96On Order

$78.46

$74.28

Min.: 1
Mult.: 1

Connectorized 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: $72.22
40In Stock
13Expected 9/10/2026
New Product

Mfr. Part #
GT-NFM-AL

Mouser Part #
44-GT-NFM-AL

New Product

PolyPhaser

Connectorized 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

40In Stock

13Expected 9/10/2026

$72.22

$68.37

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount

IS-NEMP-C0
PolyPhaser
1: $198.75
8In Stock
8Expected 8/28/2026
New Product

Mfr. Part #
IS-NEMP-C0

Mouser Part #
44-IS-NEMP-C0

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount

Learn More

Datasheet

8In Stock

8Expected 8/28/2026

$198.75

$190.34

Min.: 1
Mult.: 1

Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair T1/E1, RS-232/422/485, UL 497B

IX-5L
PolyPhaser
1: $58.84
47In Stock
82Expected 9/4/2026
New Product

Mfr. Part #
IX-5L

Mouser Part #
44-IX-5L

New Product

PolyPhaser

Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair T1/E1, RS-232/422/485, UL 497B

Datasheet

47In Stock

82Expected 9/4/2026

$58.84

$55.71

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS

TP5.0SMDJ400CA
Littelfuse
1: $7.22
1,247In Stock
New Product

Mfr. Part #
TP5.0SMDJ400CA

Mouser Part #
576-TP5.0SMDJ400CA

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS

Learn More

Datasheet

1,247In Stock

Cut Tape

$7.22

$4.86

$3.86

$3.43

Reel

$3.21

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube

108-1118B-A
PolyPhaser
1: $94.68
40In Stock
New Product

Mfr. Part #
108-1118B-A

Mouser Part #
44-108-1118B-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube

Datasheet

40In Stock

$94.68

$89.80

Min.: 1
Mult.: 1

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

DGXZ+06TFTF-A
PolyPhaser
1: $180.76
36In Stock
18Expected 8/14/2026
New Product

Mfr. Part #
DGXZ+06TFTF-A

Mouser Part #
44-DGXZ+06TFTF-A

New Product

PolyPhaser

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

Learn More

Datasheet

36In Stock

18Expected 8/14/2026

$180.76

$171.45

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ-60NFNF-A
PolyPhaser
1: $195.59
9In Stock
New Product

Mfr. Part #
DGXZ-60NFNF-A

Mouser Part #
44-DGXZ-60NFNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

9In Stock

$195.59

$187.32

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube

DT-NFF
PolyPhaser
1: $77.58
22In Stock
6Expected 8/18/2026
New Product

Mfr. Part #
DT-NFF

Mouser Part #
44-DT-NFF

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube

Learn More

Datasheet

22In Stock

6Expected 8/18/2026

$77.58

$73.44

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube

GTH-NFF-AL
PolyPhaser
1: $80.90
35In Stock
57On Order
New Product

Mfr. Part #
GTH-NFF-AL

Mouser Part #
44-GTH-NFF-AL

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

35In Stock

57On Order

$80.90

$76.73

Min.: 1
Mult.: 1

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