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

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.
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: 362.125

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 #

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

1790767
Phoenix Contact
1: Rp6.568.235
7In 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

7In Stock

Rp6.568.235

Rp6.439.446

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: Rp2.021.179
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

Rp2.021.179

Rp1.916.974

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: Rp3.964.571
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

Rp3.964.571

Rp3.796.888

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: Rp3.442.627
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

Rp3.442.627

Rp3.265.221

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: Rp2.021.179
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

Rp2.021.179

Rp1.916.974

Min.: 1
Mult.: 1

Connectorised 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: Rp1.736.999
40In Stock
New Product

Mfr. Part No.
108-1118B-A

Mouser Part No
44-108-1118B-A

New Product

PolyPhaser

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

Datasheet

40In Stock

Rp1.736.999

Rp1.647.471

Min.: 1
Mult.: 1

Connectorised 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: Rp3.316.223
27In Stock
27Expected 14/08/2026
New Product

Mfr. Part No.
DGXZ+06TFTF-A

Mouser Part No
44-DGXZ+06TFTF-A

New Product

PolyPhaser

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

Learn More

Datasheet

27In Stock

27Expected 14/08/2026

Rp3.316.223

Rp3.145.422

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ-60NFNF-A
PolyPhaser
1: Rp3.588.294
9In Stock
New Product

Mfr. Part No.
DGXZ-60NFNF-A

Mouser Part No
44-DGXZ-60NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

9In Stock

Rp3.588.294

Rp3.436.573

Min.: 1
Mult.: 1

Connectorised 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: Rp1.423.283
22In Stock
6Expected 14/08/2026
New Product

Mfr. Part No.
DT-NFF

Mouser Part No
44-DT-NFF

New Product

PolyPhaser

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

Learn More

Datasheet

22In Stock

6Expected 14/08/2026

Rp1.423.283

Rp1.347.330

Min.: 1
Mult.: 1

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

GTH-NFF-AL
PolyPhaser
1: Rp1.484.191
35In Stock
57On Order
New Product

Mfr. Part No.
GTH-NFF-AL

Mouser Part No
44-GTH-NFF-AL

New Product

PolyPhaser

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

Learn More

Datasheet

35In Stock

57On Order

Rp1.484.191

Rp1.407.689

Min.: 1
Mult.: 1

Connectorised 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: Rp2.273.803
14In Stock
4Expected 03/09/2026
New Product

Mfr. Part No.
IS-B50HN-C0-MA

Mouser Part No
44-IS-B50HN-C0-MA

New Product

PolyPhaser

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

Learn More

Datasheet

14In Stock

4Expected 03/09/2026

Rp2.273.803

Rp2.156.756

Min.: 1
Mult.: 1

Connectorised 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: Rp2.242.248
48In Stock
10Expected 14/08/2026
New Product

Mfr. Part No.
IS-B50HN-C2

Mouser Part No
44-IS-B50HN-C2

New Product

PolyPhaser

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

Learn More

Datasheet

48In Stock

10Expected 14/08/2026

Rp2.242.248

Rp2.126.668

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-120/50/3+1-R

1790750
Phoenix Contact
1: Rp7.219.151
5In Stock
New Product

Mfr. Part No.
1790750

Mouser Part No
651-1790750

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-120/50/3+1-R

Learn More

Datasheet

5In Stock

Rp7.219.151

Rp6.632.629

Min.: 1
Mult.: 1

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: Rp3.443.544
24In Stock
61On Order
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

Learn More

Datasheet

24In Stock

61On Order

Rp3.443.544

Rp3.297.877

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: Rp3.569.031
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

Rp3.569.031

Rp3.385.204

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: Rp1.324.948
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

Learn More

Datasheet

52In Stock

Rp1.324.948

Rp1.254.316

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: Rp3.646.268
8In Stock
8Expected 13/08/2026
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

Learn More

Datasheet

8In Stock

8Expected 13/08/2026

Rp3.646.268

Rp3.491.978

Min.: 1
Mult.: 1

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

TP5.0SMDJ400CA
Littelfuse
1: Rp132.458
1.247In 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

1.247In Stock

Cut Tape

Rp132.458

Rp89.162

Rp70.816

Rp62.927

Reel

Rp58.891

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

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: Rp3.935.584
9In 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

Learn More

Datasheet

9In Stock

Rp3.935.584

Rp3.769.186

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: Rp1.484.191
37In Stock
10Expected 21/08/2026
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

Learn More

Datasheet

37In Stock

10Expected 21/08/2026

Rp1.484.191

Rp1.407.689

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: Rp3.126.709
26In Stock
40Expected 11/08/2026
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

Learn More

Datasheet

26In Stock

40Expected 11/08/2026

Rp3.126.709

Rp2.965.631

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: Rp3.472.531
22In Stock
23Expected 09/10/2026
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

Learn More

Datasheet

22In Stock

23Expected 09/10/2026

Rp3.472.531

Rp3.325.763

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: Rp1.515.747
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

Rp1.515.747

Rp1.437.593

Min.: 1
Mult.: 1

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

0708200.UR
Littelfuse
1: Rp969.403
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

Rp969.403

Rp804.839

Rp744.481

Rp643.945

View

Reel

Rp574.413

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

20016752-02
TE Connectivity
1: Rp26.501.714
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

Rp26.501.714

Rp24.228.461

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support