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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, 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: 360,711

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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: $35.80
11In Stock
New Product

Mfr. Part No.
PM12-T03-00-GND-20A-E

Mouser Part No
457-PM12T0300GND2AE

New Product

E-T-A

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

Datasheet

11In Stock

$35.80

$27.41

$25.48

Min.: 1
Mult.: 1

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

REX22D-TA1-100-DC24V-16A-E
E-T-A
1: $87.57
14In Stock
New Product

Mfr. Part No.
REX22D-TA1-100-DC24V-16A-E

Mouser Part No
457-REX22DTA116E

New Product

E-T-A

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

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Datasheet

14In Stock

$87.57

$72.08

$71.02

$66.99

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: $106.24
4In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E

Mouser Part No
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

4In Stock

$106.24

$88.71

$82.45

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: $106.24
13In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2A/4A/6A-E

Mouser Part No
457-REX22DTD22A4A6AE

New Product

E-T-A

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

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Datasheet

13In Stock

$106.24

$88.71

$82.45

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: $103.84
9In Stock
New Product

Mfr. Part No.
REX22D-TE2-100-DC24V-1A-3,6A-CL2-E

Mouser Part No
457-REX22DTE2136CLE

New Product

E-T-A

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

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Datasheet

9In Stock

$103.84

$86.55

$80.60

Min.: 1
Mult.: 1

Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD

FDB3020L
Eaton Electrical
1: $1,292.71
1In Stock
New Product

Mfr. Part No.
FDB3020L

Mouser Part No
504-FDB3020L

New Product

Eaton Electrical

Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD

Datasheet

1In Stock

$1,292.71

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC NI 0.5 LEAD 10K SPECIAL TOL blk E3 A

NTCLE203E3103SB0A
Vishay / BC Components
1: $1.77
450In Stock
New Product

Mfr. Part No.
NTCLE203E3103SB0A

Mouser Part No
594-NTCLE23E313SB

New Product

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC NI 0.5 LEAD 10K SPECIAL TOL blk E3 A

Datasheet

450In Stock

$1.77

$1.33

$1.07

$1.00

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

VESD29D1-HD1HG3-08
Vishay
1: $0.511
9,750In Stock
New Product

Mfr. Part No.
VESD29D1-HD1HG3-08

Mouser Part No
78-VESD29D1-HD1H3-08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

9,750In Stock

Cut Tape

$0.511

$0.361

$0.176

$0.147

Reel

$0.067

View

Min.: 1
Mult.: 1

: 10,000

Industrial & Electrical Fuses 40A 600VAC/600VDC PCB Mount

L60QS040.HXR
Littelfuse
1: $50.18
139In Stock

Mfr. Part No.
L60QS040.HXR

Mouser Part No
576-L60QS040.HXR

Littelfuse

Industrial & Electrical Fuses 40A 600VAC/600VDC PCB Mount

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Datasheet

139In Stock

$50.18

$41.65

$38.41

$31.82

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes SLD 20V

SLD263-20A
Littelfuse
1: $4.47
1,000In Stock

Mfr. Part No.
SLD263-20A

Mouser Part No
576-SLD263-20A

Littelfuse

ESD Protection Diodes / TVS Diodes SLD 20V

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Datasheet

1,000In Stock

Cut Tape

$4.47

$2.95

$2.33

Reel

$1.94

Min.: 1
Mult.: 1

: 500

Fuse Holder FB1 FUSE BLOCK 110A FUSE

FB1-110
Bourns
1: $75.83
50In Stock
80Expected 2026/11/12

Mfr. Part No.
FB1-110

Mouser Part No
652-FB1-110

Bourns

Fuse Holder FB1 FUSE BLOCK 110A FUSE

Datasheet

50In Stock

80Expected 2026/11/12

$75.83

$62.90

$58.01

$48.01

$45.87

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 8W,13V 5%,SMD PAR

SM8S13AHM3/I
Vishay
1: $4.73
1,070In Stock

Mfr. Part No.
SM8S13AHM3/I

Mouser Part No
78-SM8S13AHM3/I

Vishay

ESD Protection Diodes / TVS Diodes 8W,13V 5%,SMD PAR

Datasheet

1,070In Stock

Cut Tape

$4.73

$3.12

$2.49

$2.09

Reel

$1.97

$1.91

MouseReel Available

Min.: 1
Mult.: 1

: 750

SCRs NEW INPUT THYRISTOR - SUPER-248

VS-70TPS16-M3
Vishay Semiconductors
1: $15.53
940In Stock

Mfr. Part No.
VS-70TPS16-M3

Mouser Part No
78-VS-70TPS16-M3

Vishay Semiconductors

SCRs NEW INPUT THYRISTOR - SUPER-248

Datasheet

940In Stock

$15.53

$11.83

$9.84

$8.77

$8.32

Min.: 1
Mult.: 1

Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G

DD9-24V
Citel
1: $111.80
35In Stock

Mfr. Part No.
DD9-24V

Mouser Part No
703-DD9-24V

Citel

Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G

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Datasheet

35In Stock

$111.80

$94.03

$89.10

$89.09

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS

SMBJ14AHE3_B/I
Vishay Semiconductors
1: $0.80
8,898In Stock

Mfr. Part No.
SMBJ14AHE3_B/I

Mouser Part No
78-SMBJ14AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

8,898In Stock

Cut Tape

$0.80

$0.50

$0.322

$0.245

Reel

$0.19

View

Min.: 1
Mult.: 1

: 3,200

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

SMF28A-HE3_A08
Vishay Semiconductors
1: $0.52
17,185In Stock

Mfr. Part No.
SMF28A-HE3_A08

Mouser Part No
78-SMF28A-HE3A08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

Datasheet

17,185In Stock

Cut Tape

$0.52

$0.328

$0.209

$0.167

Reel

$0.119

View

Min.: 1
Mult.: 1

: 3,000

Thermal Cut-offs THERMAL PROTECTOR

RP-12A
Sensata Technologies
1: $16.06
865In Stock

Mfr. Part No.
RP-12A

Mouser Part No
874-RP-12A

Sensata Technologies

Thermal Cut-offs THERMAL PROTECTOR

Datasheet

865In Stock

$16.06

Min.: 1
Mult.: 1

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz

3402.26.0002
HUBER+SUHNER
1: $582.50
52In Stock

Mfr. Part No.
3402.26.0002

Mouser Part No
455-3402260002

HUBER+SUHNER

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz

Learn More

Datasheet

52In Stock

$582.50

$349.13

View

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

SD90ABB
Bourns
1: $1.97
14,934In Stock

Mfr. Part No.
SD90ABB

Mouser Part No
652-SD90ABB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

Learn More

Datasheet

14,934In Stock

Cut Tape

$1.97

$1.86

$1.76

$1.67

View

Reel

$1.13

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS

P4SMA30CAHE3_A/I
Vishay Semiconductors
1: $0.711
17,246In Stock

Mfr. Part No.
P4SMA30CAHE3_A/I

Mouser Part No
78-P4SMA30CAHE3_A/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS

Learn More

Datasheet

17,246In Stock

Cut Tape

$0.711

$0.44

$0.283

$0.216

View

Reel

$0.155

Min.: 1
Mult.: 1

: 7,500

Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET

KXT5MOE110-125
ABB
1: $1,541.24
9In Stock
New At Mouser

Mfr. Part No.
KXT5MOE110-125

Mouser Part No
894-KXT5MOE110-125

New At Mouser

ABB

Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET

Datasheet

9In Stock

$1,541.24

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS

SM6T33AHE3_B/H
Vishay Semiconductors
1: $0.811
10,265In Stock
8,250On Order

Mfr. Part No.
SM6T33AHE3_B/H

Mouser Part No
78-SM6T33AHE3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

10,265In Stock

8,250On Order

Cut Tape

$0.811

$0.501

$0.323

$0.247

Reel

$0.221

View

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

SMF12A-HE3_A08
Vishay Semiconductors
1: $0.59
26,986In Stock

Mfr. Part No.
SMF12A-HE3_A08

Mouser Part No
78-SMF12A-HE3A08

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB

Datasheet

26,986In Stock

Cut Tape

$0.59

$0.308

$0.23

$0.173

Reel

$0.133

$0.115

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

30KPA260CA
Littelfuse
1: $31.11
727In Stock

Mfr. Part No.
30KPA260CA

Mouser Part No
576-30KPA260CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

Learn More

Datasheet

727In Stock

Cut Tape

$31.11

$25.18

$24.68

Reel

$24.68

Min.: 1
Mult.: 1

: 800

Circuit Breakers CB4201-10, 15.0A/TS35

7940102165
Weidmuller
1: $99.68
88In Stock

Mfr. Part No.
7940102165

Mouser Part No
470-7940102165

Weidmuller

Circuit Breakers CB4201-10, 15.0A/TS35

Datasheet

88In Stock

$99.68

$85.33

$75.49

$64.34

$59.92

Min.: 1
Mult.: 1

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