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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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Part #

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

VHF50HN-B
PolyPhaser
1: 140,64 €
26In Stock
47On Order
New Product

Mfr. Part No.
VHF50HN-B

Mouser Part No
44-VHF50HN-B

New Product

PolyPhaser

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

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Datasheet

26In Stock

47On Order

140,64 €

133,40 €

Min.: 1
Mult.: 1

Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit

BFN
PolyPhaser
1: 25,22 €
82In Stock
New Product

Mfr. Part No.
BFN

Mouser Part No
44-BFN

New Product

PolyPhaser

Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit

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Datasheet

82In Stock

25,22 €

21,41 €

20,44 €

18,28 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXJ+36NFNF-A
PolyPhaser
1: 184,49 €
8In Stock
New Product

Mfr. Part No.
CGXJ+36NFNF-A

Mouser Part No
44-CGXJ+36NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

8In Stock

184,49 €

176,69 €

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: 156,93 €
22In 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

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Datasheet

22In Stock

156,93 €

148,85 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50NX-C0
PolyPhaser
1: 69,57 €
32In Stock
10Expected 9/11/2026
New Product

Mfr. Part No.
IS-50NX-C0

Mouser Part No
44-IS-50NX-C0

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

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Datasheet

32In Stock

10Expected 9/11/2026

69,57 €

65,99 €

Min.: 1
Mult.: 1

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

TSX-NFF
PolyPhaser
1: 146,57 €
66In Stock
New Product

Mfr. Part No.
TSX-NFF

Mouser Part No
44-TSX-NFF

New Product

PolyPhaser

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

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Datasheet

66In Stock

146,57 €

139,02 €

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, Low PIM, Hole Mount

TSX-NFM-P
PolyPhaser
1: 125,84 €
55In Stock
New Product

Mfr. Part No.
TSX-NFM-P

Mouser Part No
44-TSX-NFM-P

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, Low PIM, Hole Mount

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Datasheet

55In Stock

125,84 €

119,36 €

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: 162,78 €
43In 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

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Datasheet

43In Stock

162,78 €

155,90 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ+36NFNF-A
PolyPhaser
1: 183,13 €
37In Stock
25Expected 9/21/2026
New Product

Mfr. Part No.
DGXZ+36NFNF-A

Mouser Part No
44-DGXZ+36NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

37In Stock

25Expected 9/21/2026

183,13 €

175,39 €

Min.: 1
Mult.: 1

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

GPS+06NFM
PolyPhaser
1: 113,99 €
28In Stock
New Product

Mfr. Part No.
GPS+06NFM

Mouser Part No
44-GPS+06NFM

New Product

PolyPhaser

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

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Datasheet

28In Stock

113,99 €

108,12 €

Min.: 1
Mult.: 1

Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors

GSA-KIT-N
PolyPhaser
1: 52,91 €
51In Stock
8Expected 9/17/2026
New Product

Mfr. Part No.
GSA-KIT-N

Mouser Part No
44-GSA-KIT-N

New Product

PolyPhaser

Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors

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Datasheet

51In Stock

8Expected 9/17/2026

52,91 €

50,09 €

Min.: 1
Mult.: 1

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

GTH-NFM-AL
PolyPhaser
1: 71,05 €
43In Stock
29On Order
New Product

Mfr. Part No.
GTH-NFM-AL

Mouser Part No
44-GTH-NFM-AL

New Product

PolyPhaser

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

Learn More

Datasheet

43In Stock

29On Order

71,05 €

67,39 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube

GTH-SFF-AL
PolyPhaser
1: 63,64 €
70In Stock
New Product

Mfr. Part No.
GTH-SFF-AL

Mouser Part No
44-GTH-SFF-AL

New Product

PolyPhaser

Connectorised Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube

Datasheet

70In Stock

63,64 €

60,25 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors RF Surge Protector SPD, SMA F/M, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube

GTH-SFM-AL
PolyPhaser
1: 69,01 €
61In Stock
New Product

Mfr. Part No.
GTH-SFM-AL

Mouser Part No
44-GTH-SFM-AL

New Product

PolyPhaser

Connectorised Surge Protectors RF Surge Protector SPD, SMA F/M, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube

Datasheet

61In Stock

69,01 €

65,33 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .005uJ, 40kA, Filter, Low PIM

TUSX-DFF
PolyPhaser
1: 153,97 €
11In Stock
New Product

Mfr. Part No.
TUSX-DFF

Mouser Part No
44-TUSX-DFF

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .005uJ, 40kA, Filter, Low PIM

Learn More

Datasheet

11In Stock

153,97 €

146,04 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -155 dBc, Bracket Down, Hole Mount

VHF50ED-PGR
PolyPhaser
1: 185,85 €
7In Stock
New Product

Mfr. Part No.
VHF50ED-PGR

Mouser Part No
44-VHF50ED-PGR

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -155 dBc, Bracket Down, Hole Mount

Learn More

Datasheet

7In Stock

185,85 €

177,99 €

Min.: 1
Mult.: 1

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

VHF50HD
PolyPhaser
1: 166,85 €
9In Stock
New Product

Mfr. Part No.
VHF50HD

Mouser Part No
44-VHF50HD

New Product

PolyPhaser

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

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Datasheet

9In Stock

166,85 €

159,80 €

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PLATINUM NON-FLIGHT

10219128-00
TE Connectivity
1: 453,80 €
6In Stock
New Product

Mfr. Part No.
10219128-00

Mouser Part No
571-10219128-00

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PLATINUM NON-FLIGHT

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Datasheet

6In Stock

453,80 €

414,92 €

337,80 €

Min.: 1
Mult.: 1

Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3

C40F42D400
Schneider Electric
1: 4 924,65 €
1In Stock
New At Mouser

Mfr. Part No.
C40F42D400

Mouser Part No
996-C40F42D400

New At Mouser

Schneider Electric

Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3

Datasheet

1In Stock

4 924,65 €

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: 94,75 €
70In 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

70In Stock

94,75 €

89,86 €

Min.: 1
Mult.: 1

Connectorised 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: 185,85 €
58In Stock
33On Order
New Product

Mfr. Part No.
DGXZ+06NFNF-A

Mouser Part No
44-DGXZ+06NFNF-A

New Product

PolyPhaser

Connectorised 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

Learn More

Datasheet

58In Stock

33On Order

185,85 €

177,99 €

Min.: 1
Mult.: 1

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

DGXZ+06NFNF-B
PolyPhaser
1: 161,38 €
9In Stock
New Product

Mfr. Part No.
DGXZ+06NFNF-B

Mouser Part No
44-DGXZ+06NFNF-B

New Product

PolyPhaser

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

Learn More

Datasheet

9In Stock

161,38 €

153,06 €

Min.: 1
Mult.: 1

Connectorised 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: 94,75 €
30In Stock
New Product

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

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

New Product

PolyPhaser

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

Learn More

Datasheet

30In Stock

94,75 €

89,86 €

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: 97,70 €
25In 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

25In Stock

97,70 €

92,67 €

Min.: 1
Mult.: 1

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

DGXZ+15TFTF-A
PolyPhaser
1: 176,35 €
50In Stock
16Expected 9/4/2026
New Product

Mfr. Part No.
DGXZ+15TFTF-A

Mouser Part No
44-DGXZ+15TFTF-A

New Product

PolyPhaser

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

Learn More

Datasheet

50In Stock

16Expected 9/4/2026

176,35 €

168,89 €

Min.: 1
Mult.: 1

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