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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: 362,353

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Part #

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: $298.19
2In 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

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Datasheet

2In Stock

$298.19

$285.57

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX

REX22D-TD1-100-DC24V-10A/12A/15A-E
E-T-A
1: $125.31
12In Stock
New Product

Mfr. Part No.
REX22D-TD1-100-DC24V-10A/12A/15A-E

Mouser Part No
457-REX22DTD1101215E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX

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Datasheet

12In Stock

$125.31

$103.54

$102.04

$96.23

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: $125.31
5In 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

5In Stock

$125.31

$103.54

Min.: 1
Mult.: 1

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

BR24L70RP
Eaton Electrical
1: $505.08
1In Stock
New Product

Mfr. Part No.
BR24L70RP

Mouser Part No
504-BR24L70RP

New Product

Eaton Electrical

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

1In Stock

$505.08

$469.40

$428.77

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Min.: 1
Mult.: 1

Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K

CH260EPD
Eaton Electrical
1: $1,872.48
1In Stock
New Product

Mfr. Part No.
CH260EPD

Mouser Part No
504-CH260EPD

New Product

Eaton Electrical

Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K

1In Stock

$1,872.48

Min.: 1
Mult.: 1

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

1466212
Phoenix Contact
1: $253.57
5In 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

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Datasheet

5In Stock

$253.57

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 2A M1 NO P

1575558
Phoenix Contact
1: $47.10
48In Stock
New Product

Mfr. Part No.
1575558

Mouser Part No
651-1575558

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 2A M1 NO P

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Datasheet

48In Stock

$47.10

$47.08

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-120/50/2+0-R

1790747
Phoenix Contact
1: $268.34
3In Stock
6Expected 31/8/2026
New Product

Mfr. Part No.
1790747

Mouser Part No
651-1790747

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-120/50/2+0-R

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Datasheet

3In Stock

6Expected 31/8/2026

$268.34

$246.54

Min.: 1
Mult.: 1

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

1790770
Phoenix Contact
1: $129.55
3In Stock
5Expected 17/8/2026
New Product

Mfr. Part No.
1790770

Mouser Part No
651-1790770

New Product

Phoenix Contact

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

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Datasheet

3In Stock

5Expected 17/8/2026

$129.55

$123.76

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-400/40-P

1790782
Phoenix Contact
1: $74.81
7In Stock
New Product

Mfr. Part No.
1790782

Mouser Part No
651-1790782

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-400/40-P

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Datasheet

7In Stock

$74.81

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-240D/65/2+0-R

1790786
Phoenix Contact
1: $252.99
7In Stock
New Product

Mfr. Part No.
1790786

Mouser Part No
651-1790786

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-240D/65/2+0-R

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Datasheet

7In Stock

$252.99

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-240D/65/3+0-R

1790787
Phoenix Contact
1: $408.56
5In Stock
New Product

Mfr. Part No.
1790787

Mouser Part No
651-1790787

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-240D/65/3+0-R

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Datasheet

5In Stock

$408.56

$375.36

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN27CA-M3/H
Vishay Semiconductors
1: $1.86
3,000In Stock
New Product

Mfr. Part No.
2KDFN27CA-M3/H

Mouser Part No
78-2KDFN27CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

$1.86

$1.18

$0.783

$0.613

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN33CA-M3/H
Vishay Semiconductors
1: $1.86
3,000In Stock
New Product

Mfr. Part No.
2KDFN33CA-M3/H

Mouser Part No
78-2KDFN33CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

$1.86

$1.18

$0.783

$0.613

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN39CA-M3/H
Vishay Semiconductors
1: $1.86
3,000In Stock
New Product

Mfr. Part No.
2KDFN39CA-M3/H

Mouser Part No
78-2KDFN39CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

$1.86

$1.18

$0.783

$0.613

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN62CA-M3/H
Vishay Semiconductors
1: $1.86
3,000In Stock
New Product

Mfr. Part No.
2KDFN62CA-M3/H

Mouser Part No
78-2KDFN62CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

Learn More

Datasheet

3,000In Stock

$1.86

$1.18

$0.783

$0.613

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN91CA-M3/H
Vishay Semiconductors
1: $1.86
3,000In Stock
New Product

Mfr. Part No.
2KDFN91CA-M3/H

Mouser Part No
78-2KDFN91CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

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Datasheet

3,000In Stock

$1.86

$1.18

$0.783

$0.613

View

Min.: 1
Mult.: 1

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

3KDFN15CA-M3/H
Vishay Semiconductors
1: $2.14
3,000In Stock
New Product

Mfr. Part No.
3KDFN15CA-M3/H

Mouser Part No
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

$2.14

$1.36

$0.899

$0.704

Reel

$0.54

View

Min.: 1
Mult.: 1

: 1,500

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

3KDFN16A-M3/H
Vishay Semiconductors
1: $1.54
3,000In Stock
New Product

Mfr. Part No.
3KDFN16A-M3/H

Mouser Part No
78-3KDFN16A-M3/H

New Product

Vishay Semiconductors

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

Datasheet

3,000In Stock

Cut Tape

$1.54

$1.25

$0.975

$0.801

Reel

$0.624

View

Min.: 1
Mult.: 1

: 1,500

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

3KDFN18CA-M3/H
Vishay Semiconductors
1: $2.14
3,000In Stock
New Product

Mfr. Part No.
3KDFN18CA-M3/H

Mouser Part No
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

$2.14

$1.36

$0.899

$0.704

Reel

$0.54

View

Min.: 1
Mult.: 1

: 1,500

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

SM8S54AHM3/I
Vishay Semiconductors
1: $5.94
578In Stock
New Product

Mfr. Part No.
SM8S54AHM3/I

Mouser Part No
78-SM8S54AHM3/I

New Product

Vishay Semiconductors

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

Learn More

Datasheet

578In Stock

Cut Tape

$5.94

$3.93

$3.07

$2.73

Reel

$2.34

$2.20

Min.: 1
Mult.: 1

: 750

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

SM8S64AHM3/I
Vishay Semiconductors
1: $5.39
568In Stock
New Product

Mfr. Part No.
SM8S64AHM3/I

Mouser Part No
78-SM8S64AHM3/I

New Product

Vishay Semiconductors

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

Learn More

Datasheet

568In Stock

Cut Tape

$5.39

$3.52

$2.61

$2.33

Reel

$1.99

$1.88

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: $1.40
2,240In Stock
New Product

Mfr. Part No.
SMB10J11AHE3_B/I

Mouser Part No
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

$1.40

$0.881

$0.577

$0.445

Reel

$0.35

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: $1.40
2,233In Stock
New Product

Mfr. Part No.
SMB10J20AHE3_B/I

Mouser Part No
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

2,233In Stock

Cut Tape

$1.40

$0.881

$0.577

$0.445

Reel

$0.35

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,200

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

T4F39CAHM3/I
Vishay Semiconductors
1: $0.653
8,000In Stock
New Product

Mfr. Part No.
T4F39CAHM3/I

Mouser Part No
78-T4F39CAHM3/I

New Product

Vishay Semiconductors

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

Learn More

Datasheet

8,000In Stock

Cut Tape

$0.653

$0.447

$0.253

$0.20

Reel

$0.122

View

Min.: 1
Mult.: 1

: 10,000

Circuit Protection

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