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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: 361,076

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Part #

ESD Protection Diodes / TVS Diodes

2KDFN15A-M3/H
Vishay Semiconductors
1: $1.68
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

Learn More

Datasheet

3,000In Stock

$1.68

$1.06

$0.694

$0.537

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN16A-M3/H
Vishay Semiconductors
1: $1.68
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

Learn More

Datasheet

3,000In Stock

$1.68

$1.06

$0.694

$0.537

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN16CA-M3/H
Vishay Semiconductors
1: $1.65
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

Learn More

Datasheet

3,000In Stock

$1.65

$1.20

$0.816

$0.644

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN18CA-M3/H
Vishay Semiconductors
1: $1.65
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

Learn More

Datasheet

3,000In Stock

$1.65

$1.20

$0.816

$0.644

View

Min.: 1
Mult.: 1

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

3KDFN12CA-M3/H
Vishay Semiconductors
1: $2.18
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

$2.18

$1.39

$0.919

$0.72

Reel

$0.552

View

Min.: 1
Mult.: 1

: 1,500

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

3KDFN22CA-M3/H
Vishay Semiconductors
1: $2.18
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

Learn More

Datasheet

3,000In Stock

Cut Tape

$2.18

$1.39

$0.919

$0.72

Reel

$0.552

View

Min.: 1
Mult.: 1

: 1,500

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

3KDFN24CA-M3/H
Vishay Semiconductors
1: $2.18
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

$2.18

$1.39

$0.919

$0.72

Reel

$0.552

View

Min.: 1
Mult.: 1

: 1,500

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

4SMF10CA-M3/I
Vishay Semiconductors
1: $0.681
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

$0.681

$0.47

$0.231

$0.192

Reel

$0.088

View

Min.: 1
Mult.: 1

: 10,000

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

SM8S75AHM3/I
Vishay Semiconductors
1: $6.07
525In 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

525In Stock

Cut Tape

$6.07

$4.02

$3.14

$2.79

Reel

$2.39

$2.25

Min.: 1
Mult.: 1

: 750

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

T4F36CAHM3/I
Vishay Semiconductors
1: $0.667
7,000In 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

7,000In Stock

Cut Tape

$0.667

$0.457

$0.259

$0.204

Reel

$0.125

View

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33A2-03GHE3A08
Vishay
1: $0.612
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

$0.612

$0.393

$0.232

$0.177

Reel

$0.129

View

Min.: 1
Mult.: 1

: 3,000

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

109-0501W-D
PolyPhaser
1: $239.29
1In Stock
4Expected 12/6/2026
New Product

Mfr. Part No.
109-0501W-D

Mouser Part No
44-109-0501W-D

New Product

PolyPhaser

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

Datasheet

1In Stock

4Expected 12/6/2026

$239.29

$226.96

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter

AL-LSXM-MA
PolyPhaser
1: $99.15
8In Stock
New Product

Mfr. Part No.
AL-LSXM-MA

Mouser Part No
44-AL-LSXM-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter

Learn More

Datasheet

8In Stock

$99.15

$93.87

Min.: 1
Mult.: 1

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

DGXZ+06NFNM-A
PolyPhaser
1: $236.91
8In Stock
New Product

Mfr. Part No.
DGXZ+06NFNM-A

Mouser Part No
44-DGXZ+06NFNM-A

New Product

PolyPhaser

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

Learn More

Datasheet

8In Stock

$236.91

$224.71

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ-60NFNF-A
PolyPhaser
1: $267.49
5In Stock
New Product

Mfr. Part No.
DGXZ-60NFNF-A

Mouser Part No
44-DGXZ-60NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

5In Stock

$267.49

$256.18

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube

DT-NFF
PolyPhaser
1: $107.84
8In Stock
5Expected 5/6/2026
New Product

Mfr. Part No.
DT-NFF

Mouser Part No
44-DT-NFF

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube

Learn More

Datasheet

8In Stock

5Expected 5/6/2026

$107.84

$102.08

Min.: 1
Mult.: 1

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

GTH-NFF-AL
PolyPhaser
1: $110.06
15In Stock
11Expected 23/6/2026
New Product

Mfr. Part No.
GTH-NFF-AL

Mouser Part No
44-GTH-NFF-AL

New Product

PolyPhaser

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

Learn More

Datasheet

15In Stock

11Expected 23/6/2026

$110.06

$104.39

Min.: 1
Mult.: 1

Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM

HT-RO-TSX-DCDFM
PolyPhaser
1: $357.40
5In Stock
New Product

Mfr. Part No.
HT-RO-TSX-DCDFM

Mouser Part No
44-HT-RO-TSX-DCDFM

New Product

PolyPhaser

Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM

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Datasheet

5In Stock

$357.40

$342.27

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount

IS-B50HN-C2
PolyPhaser
1: $169.90
20Expected 12/6/2026
New Product

Mfr. Part No.
IS-B50HN-C2

Mouser Part No
44-IS-B50HN-C2

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount

Learn More

Datasheet

20Expected 12/6/2026

$169.90

$161.14

Min.: 1
Mult.: 1

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: $181.85
8In 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

Learn More

Datasheet

8In Stock

$181.85

$172.49

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: $174.67
5In 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

5In Stock

$174.67

$165.67

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,12A,ATX

REX22D-TA1-100-DC24V-12A-E
E-T-A
1: $121.71
4In Stock
124Expected 20/7/2026
New Product

Mfr. Part No.
REX22D-TA1-100-DC24V-12A-E

Mouser Part No
457-REX22DTA112E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,12A,ATX

Learn More

Datasheet

4In Stock

124Expected 20/7/2026

$121.71

$100.18

$98.70

$93.10

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: $147.65
3In 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

Learn More

Datasheet

3In Stock

$147.65

$123.29

$114.58

Min.: 1
Mult.: 1

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

10219128-03
TE Connectivity
1: $518.03
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

Learn More

Datasheet

2In Stock

$518.03

$512.01

$507.82

View

Min.: 1
Mult.: 1

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

SC3402-02ETG
Littelfuse
1: $0.751
10,065In 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

Learn More

Datasheet

10,065In Stock

Cut Tape

$0.751

$0.473

$0.30

$0.245

Reel

$0.149

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Circuit Protection

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