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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: 361,746

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Part #

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: $522.48
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

$522.48

$522.46

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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

Learn More

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: $1.73
2,800In 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

2,800In Stock

Cut Tape

$1.73

$1.30

$0.974

$0.952

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
3,288In 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

3,288In 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: $1.87
1,500In 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

1,500In Stock

More Info Available

$1.87

$1.18

$0.776

$0.605

View

Min.: 1
Mult.: 1

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

3KDFN24A-M3/H
Vishay Semiconductors
1: $1.69
1,500In 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

1,500In Stock

More Info Available

$1.69

$1.06

$0.695

$0.538

View

Min.: 1
Mult.: 1

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

T4F18CAHM3/I
Vishay Semiconductors
1: $0.601
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

More Info Available

$0.601

$0.388

$0.229

$0.173

View

Min.: 1
Mult.: 1

Connectorised Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit

108-1019A
PolyPhaser
1: $275.19
4In Stock
New Product

Mfr. Part No.
108-1019A

Mouser Part No
44-108-1019A

New Product

PolyPhaser

Connectorised Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit

Datasheet

4In Stock

$275.19

$263.55

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: $243.73
4In 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

4In Stock

$243.73

$231.17

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXZ+15NMNF-A
PolyPhaser
1: $275.72
3In Stock
New Product

Mfr. Part No.
CGXZ+15NMNF-A

Mouser Part No
44-CGXZ+15NMNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

3In Stock

$275.72

$261.52

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: $278.19
2In 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

2In Stock

$278.19

$263.86

Min.: 1
Mult.: 1

Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors

GSA-KIT-D
PolyPhaser
1: $112.21
4In Stock
New Product

Mfr. Part No.
GSA-KIT-D

Mouser Part No
44-GSA-KIT-D

New Product

PolyPhaser

Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors

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Datasheet

4In Stock

$112.21

$106.23

Min.: 1
Mult.: 1

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

IS-50NX-C2-ME
PolyPhaser
1: $121.84
8In Stock
New Product

Mfr. Part No.
IS-50NX-C2-ME

Mouser Part No
44-IS-50NX-C2-ME

New Product

PolyPhaser

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

Learn More

Datasheet

8In Stock

$121.84

$115.56

Min.: 1
Mult.: 1

Connectorised Surge Protectors UHF F/M Coaxial RF Surge Protector, 50MHz - 700MHz, DC Block, 375W, 600uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50UX-C1-ME
PolyPhaser
1: $160.00
3In Stock
New Product

Mfr. Part No.
IS-50UX-C1-ME

Mouser Part No
44-IS-50UX-C1-ME

New Product

PolyPhaser

Connectorised Surge Protectors UHF F/M Coaxial RF Surge Protector, 50MHz - 700MHz, DC Block, 375W, 600uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Datasheet

3In Stock

$160.00

$151.77

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

IS-B50LN-C2-ME
PolyPhaser
1: $130.46
7In Stock
New Product

Mfr. Part No.
IS-B50LN-C2-ME

Mouser Part No
44-IS-B50LN-C2-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

Learn More

Datasheet

7In Stock

$130.46

$123.74

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: $277.43
2In Stock
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

2In Stock

$277.43

$265.71

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 200W, 250uJ, 50kA, Blocking Cap, Hole Mount

IS-NEMP-C2
PolyPhaser
1: $263.41
8In Stock
New Product

Mfr. Part No.
IS-NEMP-C2

Mouser Part No
44-IS-NEMP-C2

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 200W, 250uJ, 50kA, Blocking Cap, Hole Mount

Learn More

Datasheet

8In Stock

$263.41

$249.84

Min.: 1
Mult.: 1

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B

IX-2M
PolyPhaser
1: $224.01
3In Stock
New Product

Mfr. Part No.
IX-2M

Mouser Part No
44-IX-2M

New Product

PolyPhaser

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B

Learn More

Datasheet

3In Stock

$224.01

$212.47

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter

LSXL
PolyPhaser
1: $192.01
8In Stock
New Product

Mfr. Part No.
LSXL

Mouser Part No
44-LSXL

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter

Learn More

Datasheet

8In Stock

$192.01

$182.12

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 2.4GHz, 50W, IP67, 60 V Max., 3mJ, 18kA, Gas Discharge Tube

RGT
PolyPhaser
1: $184.63
8In Stock
New Product

Mfr. Part No.
RGT

Mouser Part No
44-RGT

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 2.4GHz, 50W, IP67, 60 V Max., 3mJ, 18kA, Gas Discharge Tube

Learn More

Datasheet

8In Stock

$184.63

$175.12

Min.: 1
Mult.: 1

Circuit Protection

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