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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: 362,114

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Part #

Connectorised 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: $187.73
25In Stock
11Expected 2026/08/21
New Product

Mfr. Part No.
DGXZ+15NFNF-A

Mouser Part No
44-DGXZ+15NFNF-A

New Product

PolyPhaser

Connectorised 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

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Datasheet

25In Stock

11Expected 2026/08/21

$187.73

$179.79

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 Up, Hole Mount

DGXZ+15TFTF-BN
PolyPhaser
1: $194.57
23In Stock
New Product

Mfr. Part No.
DGXZ+15TFTF-BN

Mouser Part No
44-DGXZ+15TFTF-BN

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 Up, Hole Mount

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Datasheet

23In Stock

$194.57

$184.56

Min.: 1
Mult.: 1

Connectorised 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: $72.23
52In Stock
New Product

Mfr. Part No.
GT-NFM-AL

Mouser Part No
44-GT-NFM-AL

New Product

PolyPhaser

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

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Datasheet

52In Stock

$72.23

$68.38

Min.: 1
Mult.: 1

Connectorised 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: $198.79
12In Stock
New Product

Mfr. Part No.
IS-NEMP-C0

Mouser Part No
44-IS-NEMP-C0

New Product

PolyPhaser

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

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Datasheet

12In Stock

$198.79

$190.37

Min.: 1
Mult.: 1

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

TP5.0SMDJ400CA
Littelfuse
1: $7.22
1,567In Stock
New Product

Mfr. Part No.
TP5.0SMDJ400CA

Mouser Part No
576-TP5.0SMDJ400CA

New Product

Littelfuse

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

Learn More

Datasheet

1,567In Stock

Cut Tape

$7.22

$4.86

$3.86

$3.43

Reel

$3.21

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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: $110.19
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

$110.19

$104.51

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: $216.14
47In Stock
35On 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

47In Stock

35On Order

$216.14

$207.00

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: $187.68
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

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Datasheet

9In Stock

$187.68

$178.01

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: $110.19
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

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Datasheet

30In Stock

$110.19

$104.51

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

BGXZ-60NFNF-ALT
PolyPhaser
1: $179.86
33In Stock
New Product

Mfr. Part No.
BGXZ-60NFNF-ALT

Mouser Part No
44-BGXZ-60NFNF-ALT

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

33In Stock

$179.86

$172.24

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: $212.98
44In Stock
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

44In Stock

$212.98

$203.98

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: $132.57
20In Stock
8Expected 2026/08/14
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

Learn More

Datasheet

20In Stock

8Expected 2026/08/14

$132.57

$125.74

Min.: 1
Mult.: 1

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

GSA-KIT-N
PolyPhaser
1: $61.53
52In Stock
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

52In Stock

$61.53

$58.25

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: $74.01
72In 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

72In Stock

$74.01

$70.07

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: $80.26
42In Stock
20Expected 2026/08/11
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

42In Stock

20Expected 2026/08/11

$80.26

$75.98

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: $216.14
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

$216.14

$207.00

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: $194.05
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

Learn More

Datasheet

9In Stock

$194.05

$185.85

Min.: 1
Mult.: 1

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

10219128-00
TE Connectivity
1: $527.77
5In 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

5In Stock

$527.77

$482.55

$392.86

Min.: 1
Mult.: 1

Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3

C40F42D400
Schneider Electric
1: $5,727.37
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

$5,727.37

Min.: 1
Mult.: 1

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

TP5.0SMDJ300CA
Littelfuse
1: $6.62
2,172In Stock
3,000Expected 2026/08/10
New Product

Mfr. Part No.
TP5.0SMDJ300CA

Mouser Part No
576-TP5.0SMDJ300CA

New Product

Littelfuse

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

Learn More

Datasheet

2,172In Stock

3,000Expected 2026/08/10

Cut Tape

$6.62

$4.76

$3.85

$3.42

Reel

$3.42

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

20016752-02
TE Connectivity
1: $1,444.81
4In Stock
10On Order
New Product

Mfr. Part No.
20016752-02

Mouser Part No
571-20016752-02

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

Learn More

Datasheet

4In Stock

10On Order

$1,444.81

$1,320.88

$1,216.73

View

Min.: 1
Mult.: 1

Surface Mount Fuses 200A 125VDC 14kA for high-fault DC protection

0708200.UR
Littelfuse
1: $52.85
104In Stock
New Product

Mfr. Part No.
0708200.UR

Mouser Part No
576-0708200.UR

New Product

Littelfuse

Surface Mount Fuses 200A 125VDC 14kA for high-fault DC protection

Learn More

Datasheet

104In Stock

Cut Tape

$52.85

$43.88

$40.59

$35.11

View

Reel

$31.35

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

Learn More

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, 650MHz - 2.7GHz, 400W, IP67, 30 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXE+30NMNF-A
PolyPhaser
1: $173.92
7In Stock
New Product

Mfr. Part No.
DGXE+30NMNF-A

Mouser Part No
44-DGXE+30NMNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 650MHz - 2.7GHz, 400W, IP67, 30 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

7In Stock

$173.92

$164.95

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

Learn More

Datasheet

4In Stock

$194.57

$184.56

Min.: 1
Mult.: 1

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