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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: 360,104

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Part #

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: $216.10
103In Stock
41Expected 10/9/2026
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

103In Stock

41Expected 10/9/2026

$216.10

$206.96

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: $111.89
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

$111.89

$106.13

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: $110.17
517In Stock
2Expected 10/5/2026
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

517In Stock

2Expected 10/5/2026

$110.17

$104.49

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
327In Stock
100Expected 10/8/2026
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

327In Stock

100Expected 10/8/2026

$160.10

$151.85

Min.: 1
Mult.: 1

NTC Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

20016752-02
TE Connectivity
1: $1,444.55
14In Stock
New Product

Mfr. Part #
20016752-02

Mouser Part #
571-20016752-02

New Product

TE Connectivity

NTC Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

Datasheet

14In Stock

$1,444.55

$1,320.64

View

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: $110.17
83In 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

83In Stock

$110.17

$104.49

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: $76.68
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

$76.68

$72.59

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: $170.43
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

$170.43

$161.65

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 Up, Hole Mount

DGXZ+06NFNF-B
PolyPhaser
1: $187.65
10In Stock
New Product

Mfr. Part #
DGXZ+06NFNF-B

Mouser Part #
44-DGXZ+06NFNF-B

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 Up, Hole Mount

Datasheet

10In Stock

$187.65

$177.98

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: $110.17
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

$110.17

$104.49

Min.: 1
Mult.: 1

Connectorized Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount

IS-B50HU-C0
PolyPhaser
1: $139.44
14In Stock
New Product

Mfr. Part #
IS-B50HU-C0

Mouser Part #
44-IS-B50HU-C0

New Product

Connectorized Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount

Datasheet

14In Stock

$139.44

$132.26

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: $165.26
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

$165.26

$156.75

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXZ+15NFNF-A
PolyPhaser
1: $170.43
19In Stock
New Product

Mfr. Part #
CGXZ+15NFNF-A

Mouser Part #
44-CGXZ+15NFNF-A

New Product

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Datasheet

19In Stock

$170.43

$161.65

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: $194.53
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

$194.53

$184.51

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
61In Stock
10Expected 10/16/2026
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

61In Stock

10Expected 10/16/2026

$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
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

$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
128In Stock
1On Order
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

128In Stock

1On Order

$58.84

$55.71

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: $199.46
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

$199.46

$191.03

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: $165.26
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

$165.26

$156.75

Min.: 1
Mult.: 1

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
38In Stock
8Expected 10/2/2026
New Product

Mfr. Part #
108-1118B-A

Mouser Part #
44-108-1118B-A

New Product

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

Datasheet

38In Stock

8Expected 10/2/2026

$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
54In Stock
New Product

Mfr. Part #
DGXZ+06TFTF-A

Mouser Part #
44-DGXZ+06TFTF-A

New Product

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

Datasheet

54In Stock

$180.76

$171.45

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
40In Stock
New Product

Mfr. Part #
DT-NFF

Mouser Part #
44-DT-NFF

New Product

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

Datasheet

40In Stock

$77.58

$73.44

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20uJ, 50kA, Blocking Cap, Hole Mount

IS-B50HN-C0
PolyPhaser
1: $125.66
21In Stock
12On Order
New Product

Mfr. Part #
IS-B50HN-C0

Mouser Part #
44-IS-B50HN-C0

New Product

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20uJ, 50kA, Blocking Cap, Hole Mount

Datasheet

21In Stock

12On Order

$125.66

$119.19

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-B50HN-C0-MA
PolyPhaser
1: $123.94
18In Stock
7On Order
New Product

Mfr. Part #
IS-B50HN-C0-MA

Mouser Part #
44-IS-B50HN-C0-MA

New Product

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Datasheet

18In Stock

7On Order

$123.94

$117.56

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount

IS-B50HN-C2
PolyPhaser
1: $122.22
47In Stock
23Expected 10/2/2026
New Product

Mfr. Part #
IS-B50HN-C2

Mouser Part #
44-IS-B50HN-C2

New Product

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount

Datasheet

47In Stock

23Expected 10/2/2026

$122.22

$115.92

Min.: 1
Mult.: 1