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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: 361,524

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Part #

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV

PM12-T03-00-GND-20A-E
E-T-A
1: $51.54
14In Stock
New Product

Mfr. Part #
PM12-T03-00-GND-20A-E

Mouser Part #
457-PM12T0300GND2AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV

Datasheet

14In Stock

$51.54

$39.47

$36.69

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,16A,ATX

REX22D-TA1-100-DC24V-16A-E
E-T-A
1: $126.09
8In Stock
New Product

Mfr. Part #
REX22D-TA1-100-DC24V-16A-E

Mouser Part #
457-REX22DTA116E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,16A,ATX

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Datasheet

8In Stock

$126.09

$103.78

$102.25

$96.45

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX

REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E
E-T-A
1: $152.96
3In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E

Mouser Part #
457-REX22DTD2234681E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX

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Datasheet

3In Stock

$152.96

$127.73

$118.70

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX

REX22D-TD2-100-DC24V-2A/4A/6A-E
E-T-A
1: $152.96
7In Stock
New Product

Mfr. Part #
REX22D-TD2-100-DC24V-2A/4A/6A-E

Mouser Part #
457-REX22DTD22A4A6AE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX

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Datasheet

7In Stock

$152.96

$127.73

$118.70

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX

REX22D-TE2-100-DC24V-1A-3,6A-CL2-E
E-T-A
1: $149.50
3In Stock
New Product

Mfr. Part #
REX22D-TE2-100-DC24V-1A-3,6A-CL2-E

Mouser Part #
457-REX22DTE2136CLE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX

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Datasheet

3In Stock

$149.50

$124.62

$116.04

Min.: 1
Mult.: 1

NTC Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

NTCLE213E3103FHT1A
Vishay / BC Components
1: $2.49
808In Stock
1,500Expected 2026-06-15
New Product

Mfr. Part #
NTCLE213E3103FHT1A

Mouser Part #
594-NTCLE213E313FHT1

New Product

Vishay / BC Components

NTC Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

Datasheet

808In Stock

1,500Expected 2026-06-15

$2.49

$1.87

$1.50

$1.41

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Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 1A M1 NO P

1575557
Phoenix Contact
1: $71.58
33In Stock
New Product

Mfr. Part #
1575557

Mouser Part #
651-1575557

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 1A M1 NO P

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Datasheet

33In Stock

$71.58

$68.01

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-HCNG-P

1790799
Phoenix Contact
1: $120.69
5In Stock
3Expected 2026-06-22
New Product

Mfr. Part #
1790799

Mouser Part #
651-1790799

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-HCNG-P

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Datasheet

5In Stock

3Expected 2026-06-22

$120.69

$110.88

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/33V

MF-LSMF260/33X-2
Bourns
1: $1.92
2,734In Stock
New Product

Mfr. Part #
MF-LSMF260/33X-2

Mouser Part #
652-MF-LSMF260/33X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/33V

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Datasheet

2,734In Stock

Cut Tape

$1.92

$1.43

$1.08

$1.06

View

Reel

$0.645

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 7.0A/12V

MF-LSMF700/12X-2
Bourns
1: $2.04
2,800In Stock
New Product

Mfr. Part #
MF-LSMF700/12X-2

Mouser Part #
652-MF-LSMF700/12X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 7.0A/12V

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Datasheet

2,800In 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

2KDFN24CA-M3/H
Vishay Semiconductors
1: $1.71
3,000In Stock
New Product

Mfr. Part #
2KDFN24CA-M3/H

Mouser Part #
78-2KDFN24CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

$1.71

$1.24

$0.845

$0.667

View

Min.: 1
Mult.: 1

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

3KDFN15A-M3/H
Vishay Semiconductors
1: $1.63
3,000In Stock
New Product

Mfr. Part #
3KDFN15A-M3/H

Mouser Part #
78-3KDFN15A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,15V 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 TVS

3KDFN18A-M3/H
Vishay Semiconductors
1: $1.63
2,995In Stock
New Product

Mfr. Part #
3KDFN18A-M3/H

Mouser Part #
78-3KDFN18A-M3/H

New Product

Vishay Semiconductors

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

Datasheet

2,995In 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,22V 5%, DFN6546A TVS

3KDFN22A-M3/H
Vishay Semiconductors
1: $1.63
3,000In Stock
New Product

Mfr. Part #
3KDFN22A-M3/H

Mouser Part #
78-3KDFN22A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,22V 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 400W,30V5%,SMFBIDIRTVS

T4F30CAHM3/I
Vishay Semiconductors
1: $0.619
6,893In Stock
New Product

Mfr. Part #
T4F30CAHM3/I

Mouser Part #
78-T4F30CAHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,30V5%,SMFBIDIRTVS

Learn More

Datasheet

6,893In Stock

Cut Tape

$0.619

$0.405

$0.239

$0.181

Reel

$0.114

View

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 400W,43V5%,SMFBIDIRTVS

T4F43CAHM3/I
Vishay Semiconductors
1: $0.691
7,000In Stock
New Product

Mfr. Part #
T4F43CAHM3/I

Mouser Part #
78-T4F43CAHM3/I

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,43V5%,SMFBIDIRTVS

Learn More

Datasheet

7,000In Stock

Cut Tape

$0.691

$0.474

$0.268

$0.212

Reel

$0.13

View

Min.: 1
Mult.: 1

: 10,000

Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports

1315B8H-RACK-PDU
StarTech
1: $231.12
4In Stock
New Product

Mfr. Part #
1315B8H-RACK-PDU

Mouser Part #
179-1315B8HRACKPDU

New Product

StarTech

Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports

Datasheet

4In Stock

$231.12

$203.05

$195.84

$195.81

View

Min.: 1
Mult.: 1

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

AL-LSXM-ME
PolyPhaser
1: $104.00
20In Stock
New Product

Mfr. Part #
AL-LSXM-ME

Mouser Part #
44-AL-LSXM-ME

New Product

PolyPhaser

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

Learn More

Datasheet

20In Stock

$104.00

$98.45

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXJ+15NFNF-A
PolyPhaser
1: $304.37
3In Stock
New Product

Mfr. Part #
CGXJ+15NFNF-A

Mouser Part #
44-CGXJ+15NFNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

3In Stock

$304.37

$291.50

Min.: 1
Mult.: 1

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

GPS+06NFSF
PolyPhaser
1: $200.79
4In Stock
New Product

Mfr. Part #
GPS+06NFSF

Mouser Part #
44-GPS+06NFSF

New Product

PolyPhaser

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

Learn More

Datasheet

4In Stock

$200.79

$190.45

Min.: 1
Mult.: 1

Connectorized Surge Protectors HEMP Tested Type N F/F Bulkhead Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid

HT-RO-E3PM-DCP
PolyPhaser
1: $547.43
1In Stock
New Product

Mfr. Part #
HT-RO-E3PM-DCP

Mouser Part #
44-HT-RO-E3PM-DCP

New Product

PolyPhaser

Connectorized Surge Protectors HEMP Tested Type N F/F Bulkhead Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid

Datasheet

1In Stock

$547.43

$524.28

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount

IS-B50HN-C2-MA
PolyPhaser
1: $153.69
13In Stock
New Product

Mfr. Part #
IS-B50HN-C2-MA

Mouser Part #
44-IS-B50HN-C2-MA

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount

Learn More

Datasheet

13In Stock

$153.69

$145.77

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-NEMP-C0-MA
PolyPhaser
1: $255.34
5In Stock
New Product

Mfr. Part #
IS-NEMP-C0-MA

Mouser Part #
44-IS-NEMP-C0-MA

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Learn More

Datasheet

5In Stock

$255.34

$242.19

Min.: 1
Mult.: 1

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

RGT-DFM
PolyPhaser
1: $223.10
9In Stock
New Product

Mfr. Part #
RGT-DFM

Mouser Part #
44-RGT-DFM

New Product

PolyPhaser

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

Learn More

Datasheet

9In Stock

$223.10

$211.61

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, Low PIM, Hazardous Location

TSX-NFF-HL
PolyPhaser
1: $262.77
2In Stock
7On Order
New Product

Mfr. Part #
TSX-NFF-HL

Mouser Part #
44-TSX-NFF-HL

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, Low PIM, Hazardous Location

Datasheet

2In Stock

7On Order

$262.77

$249.24

Min.: 1
Mult.: 1

Circuit Protection

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