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Circuit Protection

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: 360,061

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Part #

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: $230.54
282In Stock
150On Order
New Product

Mfr. Part #
VHF50HN

Mouser Part #
44-VHF50HN

New Product

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

Datasheet

282In Stock

150On Order

$230.54

$218.66

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount, Use IS-B50LN-C2-ME

IS-B50LN-C0-ME
PolyPhaser
1: $161.12
318In Stock
New Product

Mfr. Part #
IS-B50LN-C0-ME

Mouser Part #
44-IS-B50LN-C0-ME

New Product

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount, Use IS-B50LN-C2-ME

Datasheet

318In Stock

$161.12

$152.83

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 120uJ, 20kA, Blocking Cap, Hole Mount

IS-B50LN-C2
PolyPhaser
1: $158.64
455In Stock
76On Order
New Product

Mfr. Part #
IS-B50LN-C2

Mouser Part #
44-IS-B50LN-C2

New Product

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 120uJ, 20kA, Blocking Cap, Hole Mount

Datasheet

455In Stock

76On Order

$158.64

$150.47

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: $270.29
36In Stock
50On Order
New Product

Mfr. Part #
DGXZ+15NFNF-A

Mouser Part #
44-DGXZ+15NFNF-A

New Product

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

Datasheet

36In Stock

50On Order

$270.29

$258.85

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: $280.14
23In Stock
New Product

Mfr. Part #
DGXZ+15TFTF-BN

Mouser Part #
44-DGXZ+15TFTF-BN

New Product

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

Datasheet

23In Stock

$280.14

$265.71

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: $104.00
66In Stock
New Product

Mfr. Part #
GT-NFM-AL

Mouser Part #
44-GT-NFM-AL

New Product

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

Datasheet

66In Stock

$104.00

$98.45

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: $286.20
16In Stock
New Product

Mfr. Part #
IS-NEMP-C0

Mouser Part #
44-IS-NEMP-C0

New Product

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

Datasheet

16In Stock

$286.20

$274.09

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: $84.73
47In Stock
82Expected 2026-09-04
New Product

Mfr. Part #
IX-5L

Mouser Part #
44-IX-5L

New Product

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

Datasheet

47In Stock

82Expected 2026-09-04

$84.73

$80.22

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 DIN M/F Quarter Wave RF Protector, 555MHz to 4.5GHz, Low PIM

QWP-DMDF-ER
PolyPhaser
1: $287.22
21In Stock
New Product

Mfr. Part #
QWP-DMDF-ER

Mouser Part #
44-QWP-DMDF-ER

New Product

Connectorized Surge Protectors 7/16 DIN M/F Quarter Wave RF Protector, 555MHz to 4.5GHz, Low PIM

Datasheet

21In Stock

$287.22

$275.08

Min.: 1
Mult.: 1

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

TSX-NFF-P
PolyPhaser
1: $237.97
35In Stock
New Product

Mfr. Part #
TSX-NFF-P

Mouser Part #
44-TSX-NFF-P

New Product

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

Datasheet

35In Stock

$237.97

$225.72

Min.: 1
Mult.: 1

Connectorized 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: $158.64
85In Stock
New Product

Mfr. Part #
103-0324A-A

Mouser Part #
44-103-0324A-A

New Product

Connectorized 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

85In Stock

$158.64

$150.47

Min.: 1
Mult.: 1

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

AL-LSXM
PolyPhaser
1: $110.42
35In Stock
New Product

Mfr. Part #
AL-LSXM

Mouser Part #
44-AL-LSXM

New Product

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

Datasheet

35In Stock

$110.42

$104.53

Min.: 1
Mult.: 1

Connectorized 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: $245.42
44In Stock
New Product

Mfr. Part #
CGXZ+36NFNF-A

Mouser Part #
44-CGXZ+36NFNF-A

New Product

Connectorized 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

Datasheet

44In Stock

$245.42

$232.78

Min.: 1
Mult.: 1

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

DGXZ+06NFNF-A
PolyPhaser
1: $311.18
36In Stock
109On Order
New Product

Mfr. Part #
DGXZ+06NFNF-A

Mouser Part #
44-DGXZ+06NFNF-A

New Product

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

Datasheet

36In Stock

109On Order

$311.18

$298.02

Min.: 1
Mult.: 1

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

IS-50NX-C0-ME
PolyPhaser
1: $158.64
30In Stock
New Product

Mfr. Part #
IS-50NX-C0-ME

Mouser Part #
44-IS-50NX-C0-ME

New Product

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

Datasheet

30In Stock

$158.64

$150.47

Min.: 1
Mult.: 1

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

VHF50HN-MA
PolyPhaser
1: $237.97
31In Stock
New Product

Mfr. Part #
VHF50HN-MA

Mouser Part #
44-VHF50HN-MA

New Product

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

Datasheet

31In Stock

$237.97

$225.72

Min.: 1
Mult.: 1

Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap

CS3-100
PolyPhaser
1: $1,774.67
3In Stock
New Product

Mfr. Part #
CS3-100

Mouser Part #
44-CS3-100

New Product

Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap

Datasheet

3In Stock

$1,774.67

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount

DGXE+24DMDF-A
PolyPhaser
1: $318.00
18In Stock
8Expected 2026-09-14
New Product

Mfr. Part #
DGXE+24DMDF-A

Mouser Part #
44-DGXE+24DMDF-A

New Product

Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount

Datasheet

18In Stock

8Expected 2026-09-14

$318.00

$304.55

Min.: 1
Mult.: 1

Connectorized 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: $200.79
13In Stock
New Product

Mfr. Part #
GPS+06NFF

Mouser Part #
44-GPS+06NFF

New Product

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

Datasheet

13In Stock

$200.79

$190.44

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: $141.29
89In Stock
15Expected 2026-09-25
New Product

Mfr. Part #
IS-50NX-C2

Mouser Part #
44-IS-50NX-C2

New Product

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

Datasheet

89In Stock

15Expected 2026-09-25

$141.29

$134.01

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: $121.45
91In Stock
New Product

Mfr. Part #
IS-50UX-C0

Mouser Part #
44-IS-50UX-C0

New Product

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

Datasheet

91In Stock

$121.45

$115.20

Min.: 1
Mult.: 1

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

IS-B50LN-C0
PolyPhaser
1: $141.29
77In Stock
16Expected 2026-10-07
New Product

Mfr. Part #
IS-B50LN-C0

Mouser Part #
44-IS-B50LN-C0

New Product

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

Datasheet

77In Stock

16Expected 2026-10-07

$141.29

$134.01

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: $283.92
10In Stock
New Product

Mfr. Part #
TSX-4310FF-P

Mouser Part #
44-TSX-4310FF-P

New Product

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

Datasheet

10In Stock

$283.92

$271.92

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: $308.92
8In Stock
9Expected 2026-09-11
New Product

Mfr. Part #
VHF50D-PGR

Mouser Part #
44-VHF50D-PGR

New Product

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 2026-09-11

$308.92

$295.85

Min.: 1
Mult.: 1

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

1790767
Phoenix Contact
1: $515.55
8In 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

Datasheet

8In Stock

$515.55

$505.44

Min.: 1
Mult.: 1