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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: 361,299

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Part #

ESD Protection Diodes / TVS Diodes

2KDFN13A-M3/H
Vishay Semiconductors
1: $1.74
3,000In Stock
New Product

Mfr. Part #
2KDFN13A-M3/H

Mouser Part #
78-2KDFN13A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

$1.74

$1.10

$0.719

$0.556

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN15A-M3/H
Vishay Semiconductors
1: $1.74
3,000In Stock
New Product

Mfr. Part #
2KDFN15A-M3/H

Mouser Part #
78-2KDFN15A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

Learn More

Datasheet

3,000In Stock

$1.74

$1.10

$0.719

$0.556

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN16A-M3/H
Vishay Semiconductors
1: $1.74
3,000In Stock
New Product

Mfr. Part #
2KDFN16A-M3/H

Mouser Part #
78-2KDFN16A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

Learn More

Datasheet

3,000In Stock

$1.74

$1.10

$0.719

$0.556

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN16CA-M3/H
Vishay Semiconductors
1: $1.71
3,000In Stock
New Product

Mfr. Part #
2KDFN16CA-M3/H

Mouser Part #
78-2KDFN16CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

Learn More

Datasheet

3,000In Stock

$1.71

$1.24

$0.845

$0.667

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN18CA-M3/H
Vishay Semiconductors
1: $1.71
3,000In Stock
New Product

Mfr. Part #
2KDFN18CA-M3/H

Mouser Part #
78-2KDFN18CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

Learn More

Datasheet

3,000In Stock

$1.71

$1.24

$0.845

$0.667

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3KW,12V 5%, DFN6546A BIDIR TVS

3KDFN12CA-M3/H
Vishay Semiconductors
1: $2.26
2,970In Stock
New Product

Mfr. Part #
3KDFN12CA-M3/H

Mouser Part #
78-3KDFN12CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,12V 5%, DFN6546A BIDIR TVS

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Datasheet

2,970In Stock

Cut Tape

$2.26

$1.44

$0.952

$0.746

Reel

$0.572

View

Min.: 1
Mult.: 1

: 1,500

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

3KDFN22CA-M3/H
Vishay Semiconductors
1: $2.26
3,000In Stock
New Product

Mfr. Part #
3KDFN22CA-M3/H

Mouser Part #
78-3KDFN22CA-M3/H

New Product

Vishay Semiconductors

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

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Datasheet

3,000In Stock

Cut Tape

$2.26

$1.44

$0.952

$0.746

Reel

$0.572

View

Min.: 1
Mult.: 1

: 1,500

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

3KDFN24CA-M3/H
Vishay Semiconductors
1: $2.26
3,000In Stock
New Product

Mfr. Part #
3KDFN24CA-M3/H

Mouser Part #
78-3KDFN24CA-M3/H

New Product

Vishay Semiconductors

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

Learn More

Datasheet

3,000In Stock

Cut Tape

$2.26

$1.44

$0.952

$0.746

Reel

$0.572

View

Min.: 1
Mult.: 1

: 1,500

ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS

4SMF10CA-M3/I
Vishay Semiconductors
1: $0.706
6,948In Stock
New Product

Mfr. Part #
4SMF10CA-M3/I

Mouser Part #
78-4SMF10CA-M3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS

Datasheet

6,948In Stock

Cut Tape

$0.706

$0.487

$0.239

$0.199

Reel

$0.091

View

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 8W,75V 5%,SMD PAR

SM8S75AHM3/I
Vishay Semiconductors
1: $6.29
600In Stock
New Product

Mfr. Part #
SM8S75AHM3/I

Mouser Part #
78-SM8S75AHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 8W,75V 5%,SMD PAR

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Datasheet

600In Stock

Cut Tape

$6.29

$4.16

$3.25

$2.89

Reel

$2.48

$2.33

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 400W,36V5%,SMFBIDIRTVS

T4F36CAHM3/I
Vishay Semiconductors
1: $0.691
6,993In Stock
New Product

Mfr. Part #
T4F36CAHM3/I

Mouser Part #
78-T4F36CAHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,36V5%,SMFBIDIRTVS

Learn More

Datasheet

6,993In Stock

Cut Tape

$0.691

$0.474

$0.268

$0.212

Reel

$0.13

View

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33A2-03GHE3A08
Vishay
1: $0.634
10,533In Stock
New Product

Mfr. Part #
VCAN33A2-03GHE3A08

Mouser Part #
78-VCAN33A2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

10,533In Stock

Cut Tape

$0.634

$0.408

$0.24

$0.183

Reel

$0.134

View

Min.: 1
Mult.: 1

: 3,000

Connectorized Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect

PE73SP1038
Pasternack
1: $198.23
2In Stock
4Expected 2026-06-11
New Product

Mfr. Part #
PE73SP1038

Mouser Part #
28-PE73SP1038

New Product

Pasternack

Connectorized Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect

Datasheet

2In Stock

4Expected 2026-06-11

$198.23

$165.10

$163.60

$160.59

View

Min.: 1
Mult.: 1

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

109-0501W-A
PolyPhaser
1: $240.47
9In Stock
6Expected 2026-06-09
New Product

Mfr. Part #
109-0501W-A

Mouser Part #
44-109-0501W-A

New Product

PolyPhaser

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

Datasheet

9In Stock

6Expected 2026-06-09

$240.47

$228.08

Min.: 1
Mult.: 1

Surge Protection Accessories L-Shaped Adapter

BF-ADAPTER
PolyPhaser
1: $42.91
19In Stock
New Product

Mfr. Part #
BF-ADAPTER

Mouser Part #
44-BF-ADAPTER

New Product

PolyPhaser

Surge Protection Accessories L-Shaped Adapter

Learn More

Datasheet

19In Stock

$42.91

$36.43

$34.79

$31.12

$31.10

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount

DGXE+24DMDF-A
PolyPhaser
1: $313.46
5In Stock
New Product

Mfr. Part #
DGXE+24DMDF-A

Mouser Part #
44-DGXE+24DMDF-A

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

5In Stock

$313.46

$300.20

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 650MHz - 2.7GHz, 400W, IP67, 30 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXE+30NMNF-A
PolyPhaser
1: $250.39
7In Stock
New Product

Mfr. Part #
DGXE+30NMNF-A

Mouser Part #
44-DGXE+30NMNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 650MHz - 2.7GHz, 400W, IP67, 30 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

7In Stock

$250.39

$237.48

Min.: 1
Mult.: 1

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

DGXZ+06NMNF-Z
PolyPhaser
1: $280.14
4In Stock
New Product

Mfr. Part #
DGXZ+06NMNF-Z

Mouser Part #
44-DGXZ+06NMNF-Z

New Product

PolyPhaser

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

Learn More

Datasheet

4In Stock

$280.14

$265.71

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ+36NMNF-A
PolyPhaser
1: $237.97
9In Stock
New Product

Mfr. Part #
DGXZ+36NMNF-A

Mouser Part #
44-DGXZ+36NMNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

9In Stock

$237.97

$225.72

Min.: 1
Mult.: 1

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

GPS+06NFF
PolyPhaser
1: $198.32
6In Stock
New Product

Mfr. Part #
GPS+06NFF

Mouser Part #
44-GPS+06NFF

New Product

PolyPhaser

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

Learn More

Datasheet

6In Stock

$198.32

$188.09

Min.: 1
Mult.: 1

Connectorized Surge Protectors 75 Ohm Type F F/F Coaxial RF Surge Protector, 4MHz - 900MHz, DC Block, 100W, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-75F-C1
PolyPhaser
1: $158.66
5In Stock
New Product

Mfr. Part #
IS-75F-C1

Mouser Part #
44-IS-75F-C1

New Product

PolyPhaser

Connectorized Surge Protectors 75 Ohm Type F F/F Coaxial RF Surge Protector, 4MHz - 900MHz, DC Block, 100W, 50kA, Blocking Cap, Bracket Up, Hole Mount

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Datasheet

5In Stock

$158.66

$150.48

Min.: 1
Mult.: 1

Surge Protection Accessories IX Series Pole Mount Kit

IX-POLE-KIT
PolyPhaser
1: $97.57
9In Stock
New Product

Mfr. Part #
IX-POLE-KIT

Mouser Part #
44-IX-POLE-KIT

New Product

PolyPhaser

Surge Protection Accessories IX Series Pole Mount Kit

Datasheet

9In Stock

$97.57

$92.38

Min.: 1
Mult.: 1

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 1 1/4 to 2 1/4 inch

TK-2
PolyPhaser
1: $70.40
9In Stock
New Product

Mfr. Part #
TK-2

Mouser Part #
44-TK-2

New Product

PolyPhaser

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 1 1/4 to 2 1/4 inch

Learn More

Datasheet

9In Stock

$70.40

$65.69

$62.93

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM

TSX-DFM
PolyPhaser
1: $331.63
5In Stock
New Product

Mfr. Part #
TSX-DFM

Mouser Part #
44-TSX-DFM

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM

Learn More

Datasheet

5In Stock

$331.63

$317.61

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter

TSX-NFM
PolyPhaser
1: $200.79
7In Stock
New Product

Mfr. Part #
TSX-NFM

Mouser Part #
44-TSX-NFM

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter

Learn More

Datasheet

7In Stock

$200.79

$190.44

Min.: 1
Mult.: 1

Circuit Protection

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