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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: 361,321

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Part #

ESD Protection Diodes / TVS Diodes

2KDFN15A-M3/H
Vishay Semiconductors
1: €1.04
3,000In Stock
New Product

Mfr. Part No.
2KDFN15A-M3/H

Mouser Part No
78-2KDFN15A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

€1.04

€0.654

€0.429

€0.332

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN16A-M3/H
Vishay Semiconductors
1: €1.04
3,000In Stock
New Product

Mfr. Part No.
2KDFN16A-M3/H

Mouser Part No
78-2KDFN16A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

€1.04

€0.654

€0.429

€0.332

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN16CA-M3/H
Vishay Semiconductors
1: €1.02
3,000In Stock
New Product

Mfr. Part No.
2KDFN16CA-M3/H

Mouser Part No
78-2KDFN16CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

€1.02

€0.742

€0.505

€0.398

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN18CA-M3/H
Vishay Semiconductors
1: €1.02
3,000In Stock
New Product

Mfr. Part No.
2KDFN18CA-M3/H

Mouser Part No
78-2KDFN18CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

€1.02

€0.742

€0.505

€0.398

View

Min.: 1
Mult.: 1

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

3KDFN12CA-M3/H
Vishay Semiconductors
1: €1.35
2,970In Stock
New Product

Mfr. Part No.
3KDFN12CA-M3/H

Mouser Part No
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

€1.35

€0.858

€0.568

€0.445

Reel

€0.341

View

Min.: 1
Mult.: 1

: 1,500

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

3KDFN22CA-M3/H
Vishay Semiconductors
1: €1.35
3,000In Stock
New Product

Mfr. Part No.
3KDFN22CA-M3/H

Mouser Part No
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

€1.35

€0.858

€0.568

€0.445

Reel

€0.341

View

Min.: 1
Mult.: 1

: 1,500

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

3KDFN24CA-M3/H
Vishay Semiconductors
1: €1.35
3,000In Stock
New Product

Mfr. Part No.
3KDFN24CA-M3/H

Mouser Part No
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

€1.35

€0.858

€0.568

€0.445

Reel

€0.341

View

Min.: 1
Mult.: 1

: 1,500

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

4SMF10CA-M3/I
Vishay Semiconductors
1: €0.421
6,948In Stock
New Product

Mfr. Part No.
4SMF10CA-M3/I

Mouser Part No
78-4SMF10CA-M3/I

New Product

Vishay Semiconductors

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

Datasheet

6,948In Stock

Cut Tape

€0.421

€0.291

€0.143

€0.119

Reel

€0.054

View

Min.: 1
Mult.: 1

: 10,000

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

SM8S75AHM3/I
Vishay Semiconductors
1: €3.76
600In Stock
New Product

Mfr. Part No.
SM8S75AHM3/I

Mouser Part No
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

€3.76

€2.49

€1.94

€1.73

Reel

€1.48

€1.39

Min.: 1
Mult.: 1

: 750

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

T4F36CAHM3/I
Vishay Semiconductors
1: €0.413
6,993In Stock
New Product

Mfr. Part No.
T4F36CAHM3/I

Mouser Part No
78-T4F36CAHM3/I

New Product

Vishay Semiconductors

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

Learn More

Datasheet

6,993In Stock

Cut Tape

€0.413

€0.283

€0.16

€0.126

Reel

€0.077

View

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33A2-03GHE3A08
Vishay
1: €0.378
10,533In Stock
New Product

Mfr. Part No.
VCAN33A2-03GHE3A08

Mouser Part No
78-VCAN33A2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

10,533In Stock

Cut Tape

€0.378

€0.243

€0.144

€0.109

Reel

€0.08

View

Min.: 1
Mult.: 1

: 3,000

Connectorised Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

PE73SP1061
Pasternack
1: €174.95
1In Stock
New Product

Mfr. Part No.
PE73SP1061

Mouser Part No
28-PE73SP1061

New Product

Pasternack

Connectorised Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

Datasheet

1In Stock

€174.95

€149.79

€144.43

€143.34

Min.: 1
Mult.: 1

Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube

GT75-FFF
PolyPhaser
1: €152.50
3In Stock
5Expected 12/06/2026
New Product

Mfr. Part No.
GT75-FFF

Mouser Part No
44-GT75-FFF

New Product

PolyPhaser

Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube

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Datasheet

3In Stock

5Expected 12/06/2026

€152.50

€144.63

Min.: 1
Mult.: 1

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

IS-50NX-C0-MA
PolyPhaser
1: €88.82
9In Stock
New Product

Mfr. Part No.
IS-50NX-C0-MA

Mouser Part No
44-IS-50NX-C0-MA

New Product

PolyPhaser

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

Learn More

Datasheet

9In Stock

€88.82

€84.25

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Bracket Up, Hole Mount

IS-B50LN-C0-MA
PolyPhaser
1: €96.23
9In Stock
New Product

Mfr. Part No.
IS-B50LN-C0-MA

Mouser Part No
44-IS-B50LN-C0-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Bracket Up, Hole Mount

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Datasheet

9In Stock

€96.23

€91.27

Min.: 1
Mult.: 1

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 100Base-T Ethernet, 1 Pair 48Vdc, UL 497B

IX-2H1DC48
PolyPhaser
1: €160.07
5In Stock
New Product

Mfr. Part No.
IX-2H1DC48

Mouser Part No
44-IX-2H1DC48

New Product

PolyPhaser

Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 100Base-T Ethernet, 1 Pair 48Vdc, UL 497B

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Datasheet

5In Stock

€160.07

€153.30

Min.: 1
Mult.: 1

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

LSXL-ME
PolyPhaser
1: €128.80
5In Stock
New Product

Mfr. Part No.
LSXL-ME

Mouser Part No
44-LSXL-ME

New Product

PolyPhaser

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

Learn More

Datasheet

5In Stock

€128.80

€122.16

Min.: 1
Mult.: 1

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch

TK-3
PolyPhaser
1: €43.58
9In Stock
New Product

Mfr. Part No.
TK-3

Mouser Part No
44-TK-3

New Product

PolyPhaser

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch

Learn More

Datasheet

9In Stock

€43.58

€40.67

€38.97

€38.96

Quote

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, w/ Bracket

TSX-NFM-BF
PolyPhaser
1: €142.13
9In Stock
New Product

Mfr. Part No.
TSX-NFM-BF

Mouser Part No
44-TSX-NFM-BF

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, w/ Bracket

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Datasheet

9In Stock

€142.13

€134.81

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter

TUSX-NFF
PolyPhaser
1: €161.38
8In Stock
New Product

Mfr. Part No.
TUSX-NFF

Mouser Part No
44-TUSX-NFF

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter

Learn More

Datasheet

8In Stock

€161.38

€153.06

Min.: 1
Mult.: 1

Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down

VHF50B43-MA-BD
PolyPhaser
1: €196.70
4In Stock
2Expected 03/07/2026
New Product

Mfr. Part No.
VHF50B43-MA-BD

Mouser Part No
44-VHF50B43-MA-BD

New Product

PolyPhaser

Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down

Datasheet

4In Stock

2Expected 03/07/2026

€196.70

€188.37

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount

VHF50D-MA-PGR
PolyPhaser
1: €188.56
3In Stock
New Product

Mfr. Part No.
VHF50D-MA-PGR

Mouser Part No
44-VHF50D-MA-PGR

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount

Learn More

Datasheet

3In Stock

€188.56

€180.58

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX

REX22D-TD1-100-DC24V-12A/16A/20A-E
E-T-A
1: €79.24
4In Stock
New Product

Mfr. Part No.
REX22D-TD1-100-DC24V-12A/16A/20A-E

Mouser Part No
457-REX22DTD1121620E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX

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Datasheet

4In Stock

€79.24

€65.47

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-SPP-T2-275-1+1-UT-R

1466212
Phoenix Contact
1: €160.33
6In Stock
New Product

Mfr. Part No.
1466212

Mouser Part No
651-1466212

New Product

Phoenix Contact

Industrial Surge Protectors VAL-SPP-T2-275-1+1-UT-R

Learn More

Datasheet

6In Stock

€160.33

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-120/50/2+1-R

1790748
Phoenix Contact
1: €248.99
3In Stock
7Expected 22/06/2026
New Product

Mfr. Part No.
1790748

Mouser Part No
651-1790748

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-120/50/2+1-R

Learn More

Datasheet

3In Stock

7Expected 22/06/2026

€248.99

€228.76

Min.: 1
Mult.: 1

Circuit Protection

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