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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: 361,282

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Part #

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

1466212
Phoenix Contact
1: $268.46
6In Stock
New Product

Mfr. Part #
1466212

Mouser Part #
651-1466212

New Product

Phoenix Contact

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

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Datasheet

6In Stock

$268.46

Min.: 1
Mult.: 1

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

1790748
Phoenix Contact
1: $416.91
3In Stock
7Expected 2026-06-22
New Product

Mfr. Part #
1790748

Mouser Part #
651-1790748

New Product

Phoenix Contact

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

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Datasheet

3In Stock

7Expected 2026-06-22

$416.91

$383.04

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-277/50/1+0-R

1790770
Phoenix Contact
1: $137.17
7In Stock
New Product

Mfr. Part #
1790770

Mouser Part #
651-1790770

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-277/50/1+0-R

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Datasheet

7In Stock

$137.17

$131.04

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 6.0A/16V

MF-LSMF600/16X-2
Bourns
1: $2.04
2,754In Stock
New Product

Mfr. Part #
MF-LSMF600/16X-2

Mouser Part #
652-MF-LSMF600/16X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 6.0A/16V

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Datasheet

2,754In Stock

Cut Tape

$2.04

$1.53

$1.15

$1.12

View

Reel

$0.684

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 3KW,15V 5%, DFN6546A BIDIR TVS

3KDFN15CA-M3/H
Vishay Semiconductors
1: $2.26
3,000In Stock
New Product

Mfr. Part #
3KDFN15CA-M3/H

Mouser Part #
78-3KDFN15CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,15V 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,16V 5%, DFN6546A TVS

3KDFN16A-M3/H
Vishay Semiconductors
1: $1.63
3,000In Stock
New Product

Mfr. Part #
3KDFN16A-M3/H

Mouser Part #
78-3KDFN16A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,16V 5%, DFN6546A TVS

Datasheet

3,000In Stock

Cut Tape

$1.63

$1.33

$1.03

$0.848

Reel

$0.661

View

Min.: 1
Mult.: 1

: 1,500

ESD Protection Diodes / TVS Diodes 3KW,18V 5%, DFN6546A BIDIR TVS

3KDFN18CA-M3/H
Vishay Semiconductors
1: $2.26
3,000In Stock
New Product

Mfr. Part #
3KDFN18CA-M3/H

Mouser Part #
78-3KDFN18CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,18V 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 8W,54V 5%,SMD PAR

SM8S54AHM3/I
Vishay Semiconductors
1: $6.29
509In Stock
New Product

Mfr. Part #
SM8S54AHM3/I

Mouser Part #
78-SM8S54AHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 8W,54V 5%,SMD PAR

Learn More

Datasheet

509In 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 8W,64V 5%,SMD PAR

SM8S64AHM3/I
Vishay Semiconductors
1: $5.70
511In Stock
New Product

Mfr. Part #
SM8S64AHM3/I

Mouser Part #
78-SM8S64AHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 8W,64V 5%,SMD PAR

Learn More

Datasheet

511In Stock

Cut Tape

$5.70

$3.73

$2.76

$2.46

Reel

$2.10

$1.99

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes Diode, TVS, uni-dir, 1000W, 11V, 5%, SMB (DO-214AA), auto-grade

SMB10J11AHE3_B/I
Vishay Semiconductors
1: $1.48
2,240In Stock
New Product

Mfr. Part #
SMB10J11AHE3_B/I

Mouser Part #
78-SMB10J11AHE3_B/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes Diode, TVS, uni-dir, 1000W, 11V, 5%, SMB (DO-214AA), auto-grade

Learn More

Datasheet

2,240In Stock

Cut Tape

$1.48

$0.933

$0.611

$0.471

Reel

$0.37

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,200

ESD Protection Diodes / TVS Diodes Diode, TVS, uni-dir, 1000W, 20V, 5%, SMB (DO-214AA), auto-grade

SMB10J20AHE3_B/I
Vishay Semiconductors
1: $1.48
2,240In Stock
New Product

Mfr. Part #
SMB10J20AHE3_B/I

Mouser Part #
78-SMB10J20AHE3_B/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes Diode, TVS, uni-dir, 1000W, 20V, 5%, SMB (DO-214AA), auto-grade

Learn More

Datasheet

2,240In Stock

Cut Tape

$1.48

$0.933

$0.611

$0.471

Reel

$0.37

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,200

ESD Protection Diodes / TVS Diodes 400W,39V5%,SMFBIDIRTVS

T4F39CAHM3/I
Vishay Semiconductors
1: $0.691
10,000In Stock
New Product

Mfr. Part #
T4F39CAHM3/I

Mouser Part #
78-T4F39CAHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,39V5%,SMFBIDIRTVS

Learn More

Datasheet

10,000In 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

VCAN26C2-03GHE3A08
Vishay
1: $0.706
6,230In Stock
New Product

Mfr. Part #
VCAN26C2-03GHE3A08

Mouser Part #
78-VCAN26C2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

6,230In Stock

Cut Tape

$0.706

$0.477

$0.271

$0.213

Reel

$0.151

View

Min.: 1
Mult.: 1

: 3,000

Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit

BF4310
PolyPhaser
1: $73.92
9In Stock
New Product

Mfr. Part #
BF4310

Mouser Part #
44-BF4310

New Product

PolyPhaser

Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit

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Datasheet

9In Stock

$73.92

$69.39

$67.16

Min.: 1
Mult.: 1

Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter

BFD
PolyPhaser
1: $56.95
30In Stock
New Product

Mfr. Part #
BFD

Mouser Part #
44-BFD

New Product

PolyPhaser

Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter

Learn More

Datasheet

30In Stock

$56.95

$53.14

$50.92

$50.90

Quote

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXJ+24NFNF-A
PolyPhaser
1: $267.72
1In Stock
New Product

Mfr. Part #
DGXJ+24NFNF-A

Mouser Part #
44-DGXJ+24NFNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

1In Stock

$267.72

$253.94

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.7GHz, DC Block, 300W, IP67, .5uJ, 18kA, Filter

DSXL-NS
PolyPhaser
1: $242.94
9In Stock
New Product

Mfr. Part #
DSXL-NS

Mouser Part #
44-DSXL-NS

New Product

PolyPhaser

Connectorized Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.7GHz, DC Block, 300W, IP67, .5uJ, 18kA, Filter

Datasheet

9In Stock

$242.94

$230.43

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc

ESXDC-DFM
PolyPhaser
1: $268.03
4In Stock
New Product

Mfr. Part #
ESXDC-DFM

Mouser Part #
44-ESXDC-DFM

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc

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Datasheet

4In Stock

$268.03

$256.68

Min.: 1
Mult.: 1

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

GSA-KIT-N
PolyPhaser
1: $87.29
24In Stock
New Product

Mfr. Part #
GSA-KIT-N

Mouser Part #
44-GSA-KIT-N

New Product

PolyPhaser

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

Learn More

Datasheet

24In Stock

$87.29

$82.64

Min.: 1
Mult.: 1

Connectorized Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube

GT-TFM-AL
PolyPhaser
1: $136.32
5In Stock
New Product

Mfr. Part #
GT-TFM-AL

Mouser Part #
44-GT-TFM-AL

New Product

PolyPhaser

Connectorized Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube

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Datasheet

5In Stock

$136.32

$129.31

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube

GTH-NFM-AL
PolyPhaser
1: $117.73
1Expected 2026-06-23
New Product

Mfr. Part #
GTH-NFM-AL

Mouser Part #
44-GTH-NFM-AL

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

1Expected 2026-06-23

$117.73

$111.67

Min.: 1
Mult.: 1

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

IS-50NX-C2-MA
PolyPhaser
1: $122.69
4In Stock
3Expected 2026-06-23
New Product

Mfr. Part #
IS-50NX-C2-MA

Mouser Part #
44-IS-50NX-C2-MA

New Product

PolyPhaser

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

Learn More

Datasheet

4In Stock

3Expected 2026-06-23

$122.69

$116.37

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

RGT-DFF
PolyPhaser
1: $178.47
6In Stock
New Product

Mfr. Part #
RGT-DFF

Mouser Part #
44-RGT-DFF

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

6In Stock

$178.47

$169.29

Min.: 1
Mult.: 1

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

TSX-DFF
PolyPhaser
1: $272.69
3In Stock
New Product

Mfr. Part #
TSX-DFF

Mouser Part #
44-TSX-DFF

New Product

PolyPhaser

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

Learn More

Datasheet

3In Stock

$272.69

$258.64

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, w/ Bracket

TSX-DFM-BF
PolyPhaser
1: $263.48
5In Stock
New Product

Mfr. Part #
TSX-DFM-BF

Mouser Part #
44-TSX-DFM-BF

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, w/ Bracket

Learn More

Datasheet

5In Stock

$263.48

$252.33

Min.: 1
Mult.: 1

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