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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: 369,812

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Part #

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount

109-0501W-D
PolyPhaser
1: $262.53
4In Stock
New Product

Mfr. Part #
109-0501W-D

Mouser Part #
44-109-0501W-D

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount

Datasheet

4In Stock

$262.53

$249.00

Min.: 1
Mult.: 1

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

AL-LSXM-MA
PolyPhaser
1: $108.78
3In Stock
New Product

Mfr. Part #
AL-LSXM-MA

Mouser Part #
44-AL-LSXM-MA

New Product

PolyPhaser

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

Learn More

Datasheet

3In Stock

More Info Available

$108.78

$102.98

Min.: 1
Mult.: 1

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

DGXZ+06NFNM-A
PolyPhaser
1: $259.92
8In Stock
New Product

Mfr. Part #
DGXZ+06NFNM-A

Mouser Part #
44-DGXZ+06NFNM-A

New Product

PolyPhaser

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

Learn More

Datasheet

8In Stock

$259.92

$246.53

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: $249.40
8In Stock
New Product

Mfr. Part #
DGXZ+06TFTF-A

Mouser Part #
44-DGXZ+06TFTF-A

New Product

PolyPhaser

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

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Datasheet

8In Stock

$249.40

$236.56

Min.: 1
Mult.: 1

Connectorized 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: $293.47
4In Stock
New Product

Mfr. Part #
DGXZ-60NFNF-A

Mouser Part #
44-DGXZ-60NFNF-A

New Product

PolyPhaser

Connectorized 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

4In Stock

$293.47

$281.06

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: $118.31
20In Stock
New Product

Mfr. Part #
DT-NFF

Mouser Part #
44-DT-NFF

New Product

PolyPhaser

Connectorized 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

20In Stock

$118.31

$112.00

Min.: 1
Mult.: 1

Connectorized 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: $120.75
14In Stock
New Product

Mfr. Part #
GTH-NFF-AL

Mouser Part #
44-GTH-NFF-AL

New Product

PolyPhaser

Connectorized 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

14In Stock

$120.75

$114.53

Min.: 1
Mult.: 1

Connectorized Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM

HT-RO-TSX-DCDFM
PolyPhaser
1: $392.11
4In Stock
New Product

Mfr. Part #
HT-RO-TSX-DCDFM

Mouser Part #
44-HT-RO-TSX-DCDFM

New Product

PolyPhaser

Connectorized Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM

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Datasheet

4In Stock

$392.11

$375.52

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: $191.65
7In Stock
New Product

Mfr. Part #
IS-B50HN-C0

Mouser Part #
44-IS-B50HN-C0

New Product

PolyPhaser

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

Learn More

Datasheet

7In Stock

$191.65

$181.78

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: $189.01
8In Stock
New Product

Mfr. Part #
IS-B50HN-C0-MA

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

New Product

PolyPhaser

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

Learn More

Datasheet

8In Stock

$189.01

$179.28

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: $186.40
14In Stock
New Product

Mfr. Part #
IS-B50HN-C2

Mouser Part #
44-IS-B50HN-C2

New Product

PolyPhaser

Connectorized 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

14In Stock

$186.40

$176.79

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount

IS-B50HN-C2-ME
PolyPhaser
1: $199.52
7In Stock
New Product

Mfr. Part #
IS-B50HN-C2-ME

Mouser Part #
44-IS-B50HN-C2-ME

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount

Learn More

Datasheet

7In Stock

$199.52

$189.24

Min.: 1
Mult.: 1

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

IS-B50LU-C0-MA
PolyPhaser
1: $191.63
4In Stock
New Product

Mfr. Part #
IS-B50LU-C0-MA

Mouser Part #
44-IS-B50LU-C0-MA

New Product

PolyPhaser

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

Learn More

Datasheet

4In Stock

$191.63

$181.76

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 DIN F/M Quarter Wave RF Protector, 555 MHz to 4.5GHz, Low PIM

QWP-DFDM-ER
PolyPhaser
1: $291.66
8In Stock
New Product

Mfr. Part #
QWP-DFDM-ER

Mouser Part #
44-QWP-DFDM-ER

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 DIN F/M Quarter Wave RF Protector, 555 MHz to 4.5GHz, Low PIM

Datasheet

8In Stock

$291.66

$276.64

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX

REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E
E-T-A
1: $197.87
4In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E

Mouser Part #
457-REX22DTD22336CLE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX

Learn More

Datasheet

4In Stock

$197.87

$164.06

$151.28

$125.13

$115.52

Min.: 1
Mult.: 1

NTC Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL

10219128-03
TE Connectivity
1: $557.19
2In Stock
New Product

Mfr. Part #
10219128-03

Mouser Part #
571-10219128-03

New Product

TE Connectivity

NTC Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL

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Datasheet

2In Stock

$557.19

$557.17

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5 V, 0.45 pF, 15 kV, SOD883

SC3402-02ETG
Littelfuse
1: $0.824
10,100In Stock
New Product

Mfr. Part #
SC3402-02ETG

Mouser Part #
576-SC3402-02ETG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 5 V, 0.45 pF, 15 kV, SOD883

Learn More

Datasheet

10,100In Stock

Cut Tape

$0.824

$0.519

$0.329

$0.268

Reel

$0.163

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Circuit Breaker Accessories PTCB BE PT 6

1567576
Phoenix Contact
1: $19.26
30In Stock
New Product

Mfr. Part #
1567576

Mouser Part #
651-1567576

New Product

Phoenix Contact

Circuit Breaker Accessories PTCB BE PT 6

Learn More

Datasheet

30In Stock

$19.26

$15.57

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.35A/72V

MF-LSMF035/72X-2
Bourns
1: $1.53
2,800In Stock
New Product

Mfr. Part #
MF-LSMF035/72X-2

Mouser Part #
652-MF-LSMF035/72X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.35A/72V

Learn More

Datasheet

2,800In Stock

Cut Tape

$1.53

$1.15

$0.874

$0.846

View

Reel

$0.522

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.5A/72V

MF-LSMF050/72X-2
Bourns
1: $1.53
2,800In Stock
New Product

Mfr. Part #
MF-LSMF050/72X-2

Mouser Part #
652-MF-LSMF050/72X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.5A/72V

Learn More

Datasheet

2,800In Stock

Cut Tape

$1.53

$1.15

$0.874

$0.846

View

Reel

$0.522

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.0A/33V

MF-LSMF200/33X-2
Bourns
1: $1.85
2,800In Stock
New Product

Mfr. Part #
MF-LSMF200/33X-2

Mouser Part #
652-MF-LSMF200/33X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.0A/33V

Learn More

Datasheet

2,800In Stock

Cut Tape

$1.85

$1.38

$1.04

$1.02

View

Reel

$0.621

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 1812 Resettable SMD PPTC 0.1A/60V

MF-MSMF010/60X-2
Bourns
1: $1.31
3,288In Stock
New Product

Mfr. Part #
MF-MSMF010/60X-2

Mouser Part #
652-MF-MSMF010/60X-2

New Product

Bourns

Resettable Fuses - PPTC 1812 Resettable SMD PPTC 0.1A/60V

Learn More

Datasheet

3,288In Stock

Cut Tape

$1.31

$1.00

$0.991

Reel

$0.871

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

ESD Protection Diodes / TVS Diodes 3KW,13V 5%, DFN6546A TVS

3KDFN13A-M3/H
Vishay Semiconductors
1: $2.00
1,500In Stock
New Product

Mfr. Part #
3KDFN13A-M3/H

Mouser Part #
78-3KDFN13A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,13V 5%, DFN6546A TVS

Datasheet

1,500In Stock

More Info Available

$2.00

$1.26

$0.828

$0.645

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3KW,24V 5%, DFN6546A TVS

3KDFN24A-M3/H
Vishay Semiconductors
1: $1.80
1,500In Stock
New Product

Mfr. Part #
3KDFN24A-M3/H

Mouser Part #
78-3KDFN24A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,24V 5%, DFN6546A TVS

Learn More

Datasheet

1,500In Stock

More Info Available

$1.80

$1.13

$0.741

$0.573

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN36A2-03GHE3A08
Vishay
1: $0.671
8,537In Stock
New Product

Mfr. Part #
VCAN36A2-03GHE3A08

Mouser Part #
78-VCAN36A2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

8,537In Stock

$0.671

$0.462

$0.267

$0.206

View

Min.: 1
Mult.: 1

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