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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: 363,025

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Part #

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.2KV

CG31.2L
Littelfuse
1: €3.40
2,037In Stock

Mfr. Part No.
CG31.2L

Mouser Part No
576-CG31.2L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1.2KV

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Datasheet

2,037In Stock

€3.40

€2.82

€2.61

€2.16

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 2.5KV

CG32.5LTR
Littelfuse
1: €3.48
2,100In Stock
2,000On Order

Mfr. Part No.
CG32.5LTR

Mouser Part No
576-CG32.5LTR

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 2.5KV

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Datasheet

2,100In Stock

2,000On Order

Cut Tape

€3.48

€3.18

€2.94

€2.43

Reel

€1.67

View

Min.: 1
Mult.: 1

: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF

CG790MS
Littelfuse
1: €1.75
4,441In Stock

Mfr. Part No.
CG790MS

Mouser Part No
576-CG790MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF

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Datasheet

4,441In Stock

Cut Tape

€1.75

€1.44

€1.33

€1.11

View

Reel

€0.772

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 30K 10%

GS303J1K
Littelfuse
1: €1.14
2,754In Stock

Mfr. Part No.
GS303J1K

Mouser Part No
576-GS303J1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 30K 10%

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Datasheet

2,754In Stock

€1.14

€1.09

€1.02

€0.98

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Min.: 1
Mult.: 1

Thyristor Surge Protection Devices - TSPD 30A 8V Baseband Voice-DS1

P0080S1ALRP
Littelfuse
1: €1.23
5,050In Stock
5,000On Order

Mfr. Part No.
P0080S1ALRP

Mouser Part No
576-P0080S1ALRP

Littelfuse

Thyristor Surge Protection Devices - TSPD 30A 8V Baseband Voice-DS1

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Datasheet

5,050In Stock

5,000On Order

Cut Tape

€1.23

€0.767

€0.501

€0.385

View

Reel

€0.283

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Triacs 400V 10A 50-50-50mA

Q4010LH5TP
Littelfuse
1: €2.61
1,904In Stock

Mfr. Part No.
Q4010LH5TP

Mouser Part No
576-Q4010LH5TP

Littelfuse

Triacs 400V 10A 50-50-50mA

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Datasheet

1,904In Stock

€2.61

€1.31

€1.19

€1.16

Min.: 1
Mult.: 1

Triacs 400V 30A ALTNSTR ISO 50-50-50 mA TO220

Q4030LH5TP
Littelfuse
1: €4.21
1,258In Stock

Mfr. Part No.
Q4030LH5TP

Mouser Part No
576-Q4030LH5TP

Littelfuse

Triacs 400V 30A ALTNSTR ISO 50-50-50 mA TO220

Datasheet

1,258In Stock

€4.21

€2.30

Min.: 1
Mult.: 1

Triacs 600V 16A ALTNSTR ISO 10-10-10 mA TO220

Q6016LH2TP
Littelfuse
1: €3.58
1,377In Stock

Mfr. Part No.
Q6016LH2TP

Mouser Part No
576-Q6016LH2TP

Littelfuse

Triacs 600V 16A ALTNSTR ISO 10-10-10 mA TO220

Datasheet

1,377In Stock

€3.58

€1.85

€1.72

Min.: 1
Mult.: 1

Triacs 800V 8A 35-35-35mA

Q8008LH4TP
Littelfuse
1: €3.08
1,983In Stock

Mfr. Part No.
Q8008LH4TP

Mouser Part No
576-Q8008LH4TP

Littelfuse

Triacs 800V 8A 35-35-35mA

Datasheet

1,983In Stock

€3.08

€1.57

€1.42

€1.39

Min.: 1
Mult.: 1

Triacs 800V 12A 50-50-50mA

Q8012RH5TP
Littelfuse
1: €3.16
965In Stock

Mfr. Part No.
Q8012RH5TP

Mouser Part No
576-Q8012RH5TP

Littelfuse

Triacs 800V 12A 50-50-50mA

Datasheet

965In Stock

€3.16

€2.08

€1.52

Min.: 1
Mult.: 1

Triacs TRIAC TO263 800V 25A HT ALTN

QJ8025NH4RP
Littelfuse
1: €6.09
1,322In Stock

Mfr. Part No.
QJ8025NH4RP

Mouser Part No
576-QJ8025NH4RP

Littelfuse

Triacs TRIAC TO263 800V 25A HT ALTN

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Datasheet

1,322In Stock

Cut Tape

€6.09

€4.12

€3.07

Reel

€3.03

Min.: 1
Mult.: 1

: 500

SCRs 600V 40A 15mA TO263 High Temp 150c SCRs

SJ6040N2RP
Littelfuse
1: €5.65
759In Stock

Mfr. Part No.
SJ6040N2RP

Mouser Part No
576-SJ6040N2RP

Littelfuse

SCRs 600V 40A 15mA TO263 High Temp 150c SCRs

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Datasheet

759In Stock

Cut Tape

€5.65

€3.80

€2.89

Reel

€2.89

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 60V 2200W BI-DIR SLD AEC-Q101

SLD60-018
Littelfuse
1: €1.43
5,674In Stock

Mfr. Part No.
SLD60-018

Mouser Part No
576-SLD60-018

Littelfuse

ESD Protection Diodes / TVS Diodes 60V 2200W BI-DIR SLD AEC-Q101

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Datasheet

5,674In Stock

Cut Tape

€1.43

€1.37

€1.25

€1.12

Reel

€1.12

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes 600W 28V 5% Bi-Directional

SMA6J28CA
Littelfuse
1: €0.267
32,789In Stock

Mfr. Part No.
SMA6J28CA

Mouser Part No
576-SMA6J28CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 28V 5% Bi-Directional

Datasheet

32,789In Stock

Cut Tape

€0.267

€0.18

€0.129

€0.116

Reel

€0.081

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 250V 5% Uni-Directional

SMAJ250A
Littelfuse
1: €0.206
8,584In Stock

Mfr. Part No.
SMAJ250A

Mouser Part No
576-SMAJ250A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 250V 5% Uni-Directional

Learn More

Datasheet

8,584In Stock

Cut Tape

€0.206

€0.172

€0.151

€0.142

Reel

€0.137

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 350V 5% Bi-Directional

SMAJ350CA
Littelfuse
1: €0.439
12,911In Stock

Mfr. Part No.
SMAJ350CA

Mouser Part No
576-SMAJ350CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 350V 5% Bi-Directional

Learn More

Datasheet

12,911In Stock

Cut Tape

€0.439

€0.233

€0.191

€0.181

Reel

€0.16

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 600W 250V 5% Uni-Directional

SMBJ250A
Littelfuse
1: €0.181
13,530In Stock

Mfr. Part No.
SMBJ250A

Mouser Part No
576-SMBJ250A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 250V 5% Uni-Directional

Learn More

Datasheet

13,530In Stock

Cut Tape

€0.181

€0.173

Reel

€0.173

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 30pF30kV Bi 0201 Flip Chip

SP1005-01WTG
Littelfuse
1: €0.181
80,239In Stock

Mfr. Part No.
SP1005-01WTG

Mouser Part No
576-SP1005-01WTG

Littelfuse

ESD Protection Diodes / TVS Diodes 30pF30kV Bi 0201 Flip Chip

Learn More

Datasheet

80,239In Stock

Cut Tape

€0.181

€0.071

€0.067

Reel

€0.06

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes .3pF 10KV 28V SOD8820

SP3130-01ETG
Littelfuse
1: €0.189
17,945In Stock

Mfr. Part No.
SP3130-01ETG

Mouser Part No
576-SP3130-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes .3pF 10KV 28V SOD8820

Learn More

Datasheet

17,945In Stock

Cut Tape

€0.189

€0.11

€0.095

€0.09

Reel

€0.09

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Varistors SURFACE MOUNT SM7 VARISTORS

V50SM7
Littelfuse
1: €1.67
2,400In Stock

Mfr. Part No.
V50SM7

Mouser Part No
576-V50SM7

Littelfuse

Varistors SURFACE MOUNT SM7 VARISTORS

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Datasheet

2,400In Stock

Cut Tape

€1.67

€1.23

€1.16

€1.02

Reel

€0.894

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr

LTC4365CDDB-1#TRMPBF
Analog Devices
1: €4.36
2,115In Stock

Mfr. Part No.
LTC4365CDDB-1#TRMPBF

Mouser Part No
584-C4365CDDB-1TMPF

Analog Devices

Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr

Datasheet

2,115In Stock

Cut Tape

€4.36

€3.33

€3.07

€2.79

Reel

€2.56

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Board Mount Surge Protectors Surge Stopper w/ Fault Latchoff

LT4356CMS-3#PBF
Analog Devices
1: €6.09
645In Stock

Mfr. Part No.
LT4356CMS-3#PBF

Mouser Part No
584-LT4356CMS-3#PBF

Analog Devices

Board Mount Surge Protectors Surge Stopper w/ Fault Latchoff

Datasheet

645In Stock

€6.09

€4.70

€4.13

€3.95

View

Min.: 1
Mult.: 1

Board Mount Surge Protectors Surge Stopper w/ Fault Latchoff

LT4356HMS-3#PBF
Analog Devices
1: €7.14
692In Stock

Mfr. Part No.
LT4356HMS-3#PBF

Mouser Part No
584-LT4356HMS-3#PBF

Analog Devices

Board Mount Surge Protectors Surge Stopper w/ Fault Latchoff

Datasheet

692In Stock

€7.14

€5.54

€4.88

€4.69

View

Min.: 1
Mult.: 1

Board Mount Surge Protectors Overvoltage Prot Cntr

LTC1696IS6#TRMPBF
Analog Devices
1: €5.85
953In Stock

Mfr. Part No.
LTC1696IS6#TRMPBF

Mouser Part No
584-LTC1696IS6TRMPBF

Analog Devices

Board Mount Surge Protectors Overvoltage Prot Cntr

Datasheet

953In Stock

Cut Tape

€5.85

€4.51

€4.17

€3.80

Reel

€3.49

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr

LTC4365HDDB#TRPBF
Analog Devices
1: €5.17
3,636In Stock
3,890On Order

Mfr. Part No.
LTC4365HDDB#TRPBF

Mouser Part No
584-LTC4365HDDBTRPBF

Analog Devices

Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr

Datasheet

3,636In Stock

3,890On Order

Cut Tape

€5.17

€3.96

€3.66

€3.34

€3.31

Reel

€2.91

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Circuit Protection

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