.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 360,672

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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: ฿6,980.03
103In Stock
41Expected 10/9/2026
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

103In Stock

41Expected 10/9/2026

฿6,980.03

฿6,684.81

Min.: 1
Mult.: 1

Connectorised 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: ฿5,171.23
327In Stock
100Expected 10/8/2026
New Product

Mfr. Part No.
VHF50HN

Mouser Part No
44-VHF50HN

New Product

PolyPhaser

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

Learn More

Datasheet

327In Stock

100Expected 10/8/2026

฿5,171.23

฿4,904.76

Min.: 1
Mult.: 1

Connectorised 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: ฿3,614.05
318In Stock
New Product

Mfr. Part No.
IS-B50LN-C0-ME

Mouser Part No
44-IS-B50LN-C0-ME

New Product

PolyPhaser

Connectorised 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

Learn More

Datasheet

318In Stock

฿3,614.05

฿3,428.00

Min.: 1
Mult.: 1

Connectorised 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: ฿3,558.49
517In Stock
2Expected 10/5/2026
New Product

Mfr. Part No.
IS-B50LN-C2

Mouser Part No
44-IS-B50LN-C2

New Product

PolyPhaser

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

Learn More

Datasheet

517In Stock

2Expected 10/5/2026

฿3,558.49

฿3,375.03

Min.: 1
Mult.: 1

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

20016752-02
TE Connectivity
1: ฿46,658.97
14In Stock
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

14In Stock

฿46,658.97

฿42,656.67

View

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: ฿3,558.49
83In 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

83In Stock

฿3,558.49

฿3,375.03

Min.: 1
Mult.: 1

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

AL-LSXM
PolyPhaser
1: ฿2,476.76
35In Stock
New Product

Mfr. Part No.
AL-LSXM

Mouser Part No
44-AL-LSXM

New Product

PolyPhaser

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

Learn More

Datasheet

35In Stock

฿2,476.76

฿2,344.66

Min.: 1
Mult.: 1

Connectorised 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: ฿5,504.89
44In Stock
New Product

Mfr. Part No.
CGXZ+36NFNF-A

Mouser Part No
44-CGXZ+36NFNF-A

New Product

PolyPhaser

Connectorised 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

Learn More

Datasheet

44In Stock

฿5,504.89

฿5,221.30

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: ฿6,061.10
10In 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

10In Stock

฿6,061.10

฿5,748.75

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: ฿3,558.49
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

฿3,558.49

฿3,375.03

Min.: 1
Mult.: 1

Connectorised 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: ฿4,503.91
14In Stock
New Product

Mfr. Part No.
IS-B50HU-C0

Mouser Part No
44-IS-B50HU-C0

New Product

PolyPhaser

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

Learn More

Datasheet

14In Stock

฿4,503.91

฿4,272.00

Min.: 1
Mult.: 1

Connectorised 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: ฿5,337.90
31In Stock
New Product

Mfr. Part No.
VHF50HN-MA

Mouser Part No
44-VHF50HN-MA

New Product

PolyPhaser

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

Learn More

Datasheet

31In Stock

฿5,337.90

฿5,063.03

Min.: 1
Mult.: 1

Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap

CS3-100
PolyPhaser
1: ฿39,806.84
3In Stock
New Product

Mfr. Part No.
CS3-100

Mouser Part No
44-CS3-100

New Product

PolyPhaser

Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap

Learn More

Datasheet

3In Stock

฿39,806.84

Min.: 1
Mult.: 1

Connectorised 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: ฿7,132.81
18In Stock
8Expected 9/29/2026
New Product

Mfr. Part No.
DGXE+24DMDF-A

Mouser Part No
44-DGXE+24DMDF-A

New Product

PolyPhaser

Connectorised 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

Learn More

Datasheet

18In Stock

8Expected 9/29/2026

฿7,132.81

฿6,831.13

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: ฿5,616.00
24In 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

24In Stock

฿5,616.00

฿5,326.59

Min.: 1
Mult.: 1

Connectorised 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: ฿4,503.91
13In Stock
New Product

Mfr. Part No.
GPS+06NFF

Mouser Part No
44-GPS+06NFF

New Product

PolyPhaser

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

Learn More

Datasheet

13In Stock

฿4,503.91

฿4,271.68

Min.: 1
Mult.: 1

Connectorised 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: ฿3,169.28
78In Stock
38On Order
New Product

Mfr. Part No.
IS-50NX-C2

Mouser Part No
44-IS-50NX-C2

New Product

PolyPhaser

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

Learn More

Datasheet

78In Stock

38On Order

฿3,169.28

฿3,005.84

Min.: 1
Mult.: 1

Connectorised 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: ฿2,724.18
72In Stock
52Expected 10/2/2026
New Product

Mfr. Part No.
IS-50UX-C0

Mouser Part No
44-IS-50UX-C0

New Product

PolyPhaser

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

Learn More

Datasheet

72In Stock

52Expected 10/2/2026

฿2,724.18

฿2,584.00

Min.: 1
Mult.: 1

Connectorised 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: ฿3,169.28
77In Stock
16Expected 11/27/2026
New Product

Mfr. Part No.
IS-B50LN-C0

Mouser Part No
44-IS-B50LN-C0

New Product

PolyPhaser

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

Learn More

Datasheet

77In Stock

16Expected 11/27/2026

฿3,169.28

฿3,005.84

Min.: 1
Mult.: 1

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

IXG-05
PolyPhaser
1: ฿6,164.78
14In Stock
18Expected 10/9/2026
New Product

Mfr. Part No.
IXG-05

Mouser Part No
44-IXG-05

New Product

PolyPhaser

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

Learn More

Datasheet

14In Stock

18Expected 10/9/2026

฿6,164.78

฿5,904.12

Min.: 1
Mult.: 1

Connectorised 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: ฿6,929.32
9In Stock
9On Order
New Product

Mfr. Part No.
VHF50D-PGR

Mouser Part No
44-VHF50D-PGR

New Product

PolyPhaser

Connectorised 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

9In Stock

9On Order

฿6,929.32

฿6,636.04

Min.: 1
Mult.: 1

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

1790767
Phoenix Contact
1: ฿11,564.05
8In Stock
New Product

Mfr. Part No.
1790767

Mouser Part No
651-1790767

New Product

Phoenix Contact

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

Learn More

Datasheet

8In Stock

฿11,564.05

฿11,337.30

Min.: 1
Mult.: 1

Connectorised 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: ฿5,504.89
19In Stock
New Product

Mfr. Part No.
CGXZ+15NFNF-A

Mouser Part No
44-CGXZ+15NFNF-A

New Product

PolyPhaser

Connectorised 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

Learn More

Datasheet

19In Stock

฿5,504.89

฿5,221.30

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: ฿6,283.64
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

Learn More

Datasheet

23In Stock

฿6,283.64

฿5,960.00

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: ฿2,332.71
61In Stock
10Expected 10/16/2026
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

Learn More

Datasheet

61In Stock

10Expected 10/16/2026

฿2,332.71

฿2,208.35

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support