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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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Part #

Connectorised 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: $187.09
7In Stock
New Product

Mfr. Part No.
IS-B50HN-C2-ME

Mouser Part No
44-IS-B50HN-C2-ME

New Product

PolyPhaser

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

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Datasheet

7In Stock

$187.09

$177.45

Min.: 1
Mult.: 1

Connectorised 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: $179.69
4In Stock
New Product

Mfr. Part No.
IS-B50LU-C0-MA

Mouser Part No
44-IS-B50LU-C0-MA

New Product

PolyPhaser

Connectorised 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

$179.69

$170.44

Min.: 1
Mult.: 1

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

QWP-DFDM-ER
PolyPhaser
1: $273.49
8In Stock
New Product

Mfr. Part No.
QWP-DFDM-ER

Mouser Part No
44-QWP-DFDM-ER

New Product

PolyPhaser

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

Datasheet

8In Stock

$273.49

$259.40

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: $185.54
4In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E

Mouser Part No
457-REX22DTD22336CLE

New Product

E-T-A

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

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Datasheet

4In Stock

$185.54

$153.84

$141.86

$117.33

$108.32

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL

10219128-03
TE Connectivity
1: $532.93
2In Stock
New Product

Mfr. Part No.
10219128-03

Mouser Part No
571-10219128-03

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL

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Datasheet

2In Stock

$532.93

$526.74

$522.44

View

Min.: 1
Mult.: 1

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

SC3402-02ETG
Littelfuse
1: $0.772
10,100In Stock
New Product

Mfr. Part No.
SC3402-02ETG

Mouser Part No
576-SC3402-02ETG

New Product

Littelfuse

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

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Datasheet

10,100In Stock

Cut Tape

$0.772

$0.486

$0.309

$0.252

Reel

$0.153

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

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

MF-LSMF035/72X-2
Bourns
1: $1.43
2,800In Stock
New Product

Mfr. Part No.
MF-LSMF035/72X-2

Mouser Part No
652-MF-LSMF035/72X-2

New Product

Bourns

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

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Datasheet

2,800In Stock

Cut Tape

$1.43

$1.08

$0.819

$0.794

View

Reel

$0.489

Min.: 1
Mult.: 1

Reel: 4,000

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

MF-LSMF050/72X-2
Bourns
1: $1.43
2,800In Stock
New Product

Mfr. Part No.
MF-LSMF050/72X-2

Mouser Part No
652-MF-LSMF050/72X-2

New Product

Bourns

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

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Datasheet

2,800In Stock

Cut Tape

$1.43

$1.08

$0.819

$0.794

View

Reel

$0.489

Min.: 1
Mult.: 1

Reel: 4,000

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

MF-LSMF200/33X-2
Bourns
1: $1.74
2,793In Stock
New Product

Mfr. Part No.
MF-LSMF200/33X-2

Mouser Part No
652-MF-LSMF200/33X-2

New Product

Bourns

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

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Datasheet

2,793In Stock

Cut Tape

$1.74

$1.30

$0.975

$0.954

View

Reel

$0.582

Min.: 1
Mult.: 1

Reel: 4,000

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

MF-MSMF010/60X-2
Bourns
1: $1.23
3,278In Stock
New Product

Mfr. Part No.
MF-MSMF010/60X-2

Mouser Part No
652-MF-MSMF010/60X-2

New Product

Bourns

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

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Datasheet

3,278In Stock

Cut Tape

$1.23

$0.94

$0.93

Reel

$0.817

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: $1.62
3,000In Stock
New Product

Mfr. Part No.
3KDFN13A-M3/H

Mouser Part No
78-3KDFN13A-M3/H

New Product

Vishay Semiconductors

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

Datasheet

3,000In Stock

Cut Tape

$1.62

$1.32

$1.03

$0.842

Reel

$0.656

View

Min.: 1
Mult.: 1

Reel: 1,500

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

3KDFN24A-M3/H
Vishay Semiconductors
1: $1.62
3,000In Stock
New Product

Mfr. Part No.
3KDFN24A-M3/H

Mouser Part No
78-3KDFN24A-M3/H

New Product

Vishay Semiconductors

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

Learn More

Datasheet

3,000In Stock

Cut Tape

$1.62

$1.32

$1.03

$0.842

Reel

$0.656

View

Min.: 1
Mult.: 1

Reel: 1,500

ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS

T4F18CAHM3/I
Vishay Semiconductors
1: $0.672
10,000In Stock
New Product

Mfr. Part No.
T4F18CAHM3/I

Mouser Part No
78-T4F18CAHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS

Learn More

Datasheet

10,000In Stock

Cut Tape

$0.672

$0.455

$0.262

$0.203

Reel

$0.126

View

Min.: 1
Mult.: 1

Reel: 10,000

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: $157.54
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

$157.54

$149.42

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: $103.27
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

$103.27

$97.77

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: $302.26
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

$302.26

$289.47

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: $199.40
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

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Datasheet

4In Stock

$199.40

$189.13

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: $109.65
4In 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

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Datasheet

4In Stock

More Info Available

$109.65

$103.80

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: $253.57
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

$253.57

$240.51

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: $221.55
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

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Datasheet

8In Stock

$221.55

$210.14

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: $260.95
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

$260.95

$247.50

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: $259.39
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

$259.39

$248.42

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: $360.92
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

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Datasheet

4In Stock

$360.92

$345.65

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: $279.69
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

$279.69

$267.87

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount

VHF50HD-MA
PolyPhaser
1: $275.72
8In Stock
New Product

Mfr. Part No.
VHF50HD-MA

Mouser Part No
44-VHF50HD-MA

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount

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Datasheet

8In Stock

$275.72

$261.52

Min.: 1
Mult.: 1

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