.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: 361,747

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; }

Download Table (.CSV)

Part #

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

NTCLE213E3103FHT1A
Vishay / BC Components
1: $1.73
1,128In Stock
New Product

Mfr. Part No.
NTCLE213E3103FHT1A

Mouser Part No
594-NTCLE213E313FHT1

New Product

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

Datasheet

1,128In Stock

$1.73

$1.30

$1.04

$0.981

View

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 6A F2 NO P

1509529
Phoenix Contact
1: $29.50
30In Stock
New Product

Mfr. Part No.
1509529

Mouser Part No
651-1509529

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 6A F2 NO P

Learn More

Datasheet

30In Stock

$29.50

$25.50

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 1A M1 NO P

1575557
Phoenix Contact
1: $29.50
33In Stock
New Product

Mfr. Part No.
1575557

Mouser Part No
651-1575557

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 1A M1 NO P

Learn More

Datasheet

33In Stock

$29.50

$25.50

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 8A M1 NO P

1575573
Phoenix Contact
1: $29.50
40In Stock
New Product

Mfr. Part No.
1575573

Mouser Part No
651-1575573

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 8A M1 NO P

Learn More

Datasheet

40In Stock

$29.50

$25.50

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/33V

MF-LSMF260/33X-2
Bourns
1: $1.33
2,800In Stock
New Product

Mfr. Part No.
MF-LSMF260/33X-2

Mouser Part No
652-MF-LSMF260/33X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/33V

Learn More

Datasheet

2,800In Stock

Cut Tape

$1.33

$0.99

$0.75

$0.733

View

Reel

$0.448

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 7.0A/12V

MF-LSMF700/12X-2
Bourns
1: $1.41
2,800In Stock
New Product

Mfr. Part No.
MF-LSMF700/12X-2

Mouser Part No
652-MF-LSMF700/12X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 7.0A/12V

Learn More

Datasheet

2,800In Stock

Cut Tape

$1.41

$1.05

$0.795

$0.777

View

Reel

$0.475

Min.: 1
Mult.: 1

Reel: 4,000

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 100A

PF-SRC50E100B1
Bourns
1: $59.04
15In Stock
New Product

Mfr. Part No.
PF-SRC50E100B1

Mouser Part No
652-PF-SRC50E100B1

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 100A

Learn More

Datasheet

15In Stock

$59.04

$49.16

$45.44

$37.87

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3KW,15V 5%, DFN6546A TVS

3KDFN15A-M3/H
Vishay Semiconductors
1: $1.31
1,500In Stock
New Product

Mfr. Part No.
3KDFN15A-M3/H

Mouser Part No
78-3KDFN15A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,15V 5%, DFN6546A TVS

Datasheet

1,500In Stock

More Info Available

$1.31

$0.827

$0.543

$0.423

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3KW,18V 5%, DFN6546A TVS

3KDFN18A-M3/H
Vishay Semiconductors
1: $1.31
1,500In Stock
New Product

Mfr. Part No.
3KDFN18A-M3/H

Mouser Part No
78-3KDFN18A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,18V 5%, DFN6546A TVS

Datasheet

1,500In Stock

More Info Available

$1.31

$0.827

$0.543

$0.423

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3KW,22V 5%, DFN6546A TVS

3KDFN22A-M3/H
Vishay Semiconductors
1: $1.31
1,500In Stock
New Product

Mfr. Part No.
3KDFN22A-M3/H

Mouser Part No
78-3KDFN22A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,22V 5%, DFN6546A TVS

Datasheet

1,500In Stock

More Info Available

$1.31

$0.827

$0.543

$0.423

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,30V5%,SMFBIDIRTVS

T4F30CAHM3/I
Vishay Semiconductors
1: $0.43
New Product

Mfr. Part No.
T4F30CAHM3/I

Mouser Part No
78-T4F30CAHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,30V5%,SMFBIDIRTVS

Learn More

Datasheet

More Info Available

$0.43

$0.281

$0.166

$0.126

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,43V5%,SMFBIDIRTVS

T4F43CAHM3/I
Vishay Semiconductors
1: $0.43
New Product

Mfr. Part No.
T4F43CAHM3/I

Mouser Part No
78-T4F43CAHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,43V5%,SMFBIDIRTVS

Learn More

Datasheet

More Info Available

$0.43

$0.281

$0.166

$0.126

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ZENER PROTECTION DIODE

SZNZ8P12VMX2WT5G
onsemi
1: $0.20
5,704In Stock
New Product

Mfr. Part No.
SZNZ8P12VMX2WT5G

Mouser Part No
863-SZNZ8P12VMX2WT5G

New Product

onsemi

ESD Protection Diodes / TVS Diodes ZENER PROTECTION DIODE

Learn More

Datasheet

5,704In Stock

Cut Tape

$0.20

$0.117

$0.093

$0.088

View

Reel

$0.075

Min.: 1
Mult.: 1

Reel: 8,000

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: $110.17
4In 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

4In Stock

$110.17

$104.49

Min.: 1
Mult.: 1

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

AL-LSXM-ME
PolyPhaser
1: $72.22
20In Stock
New Product

Mfr. Part No.
AL-LSXM-ME

Mouser Part No
44-AL-LSXM-ME

New Product

PolyPhaser

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

Learn More

Datasheet

20In Stock

$72.22

$68.37

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXJ+15NFNF-A
PolyPhaser
1: $211.37
3In Stock
New Product

Mfr. Part No.
CGXJ+15NFNF-A

Mouser Part No
44-CGXJ+15NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

3In Stock

$211.37

$202.43

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: $186.13
1In Stock
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

1In Stock

More Info Available

$186.13

$178.25

Min.: 1
Mult.: 1

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

GPS+06NFSF
PolyPhaser
1: $139.44
4In Stock
New Product

Mfr. Part No.
GPS+06NFSF

Mouser Part No
44-GPS+06NFSF

New Product

PolyPhaser

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

Learn More

Datasheet

4In Stock

$139.44

$132.26

Min.: 1
Mult.: 1

Connectorised Surge Protectors TNC F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube

GT-TFF-AL
PolyPhaser
1: $76.68
5In Stock
New Product

Mfr. Part No.
GT-TFF-AL

Mouser Part No
44-GT-TFF-AL

New Product

PolyPhaser

Connectorised Surge Protectors TNC F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

5In Stock

More Info Available

$76.68

$72.59

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-NEMP-C0-MA
PolyPhaser
1: $177.32
4In Stock
New Product

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

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

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Learn More

Datasheet

4In Stock

$177.32

$168.19

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 M/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

RGT-DFM
PolyPhaser
1: $154.93
8In Stock
New Product

Mfr. Part No.
RGT-DFM

Mouser Part No
44-RGT-DFM

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 M/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

8In Stock

$154.93

$146.95

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, Low PIM, Hazardous Location

TSX-NFF-HL
PolyPhaser
1: $182.48
4In Stock
New Product

Mfr. Part No.
TSX-NFF-HL

Mouser Part No
44-TSX-NFF-HL

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, Low PIM, Hazardous Location

Datasheet

4In Stock

$182.48

$173.08

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, Gold-Plated Pins

TSX-NFM-G
PolyPhaser
1: $181.39
1In Stock
New Product

Mfr. Part No.
TSX-NFM-G

Mouser Part No
44-TSX-NFM-G

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, Gold-Plated Pins

Datasheet

1In Stock

$181.39

$173.72

Min.: 1
Mult.: 1

Connectorised Surge Protectors 4.3-10 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM

TSXDC-4310FM
PolyPhaser
1: $252.39
4In Stock
New Product

Mfr. Part No.
TSXDC-4310FM

Mouser Part No
44-TSXDC-4310FM

New Product

PolyPhaser

Connectorised Surge Protectors 4.3-10 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM

Learn More

Datasheet

4In Stock

$252.39

$241.71

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM

TUSX-DFM
PolyPhaser
1: $195.59
6In Stock
New Product

Mfr. Part No.
TUSX-DFM

Mouser Part No
44-TUSX-DFM

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM

Learn More

Datasheet

6In Stock

$195.59

$187.32

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support