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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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Types of Circuit Protection

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Part #

Thyristor Surge Protection Devices - TSPD 58V 600mA

TISP4070M3BJR-S
Bourns
1: $1.67
11,885In Stock

Mfr. Part No.
TISP4070M3BJR-S

Mouser Part No
652-TISP4070M3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 58V 600mA

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Datasheet

11,885In Stock

Cut Tape

$1.67

$1.05

$0.69

$0.536

Reel

$0.422

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 120volts

TISP4145M3BJR-S
Bourns
1: $1.67
8,401In Stock

Mfr. Part No.
TISP4145M3BJR-S

Mouser Part No
652-TISP4145M3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 120volts

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Datasheet

8,401In Stock

Cut Tape

$1.67

$1.05

$0.69

$0.536

Reel

$0.422

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Connectorised Surge Protectors Din Rail POE Surge Suppressor, Type B

MJ8-POE-B
Citel
1: $159.07
126In Stock

Mfr. Part No.
MJ8-POE-B

Mouser Part No
703-MJ8-POE-B

Citel

Connectorised Surge Protectors Din Rail POE Surge Suppressor, Type B

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Datasheet

126In Stock

$159.07

$131.91

$121.65

$121.64

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3KW 28V 5% BIDIRECT

SMC3K28CAHM3/57
Vishay Semiconductors
1: $4.53
1,667In Stock

Mfr. Part No.
SMC3K28CAHM3/57

Mouser Part No
78-SMC3K28CAHM3/57

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW 28V 5% BIDIRECT

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Datasheet

1,667In Stock

Cut Tape

$4.53

$2.46

$2.22

$1.70

Reel

$1.52

$1.51

MouseReel Available

Min.: 1
Mult.: 1

: 850

NTC (Negative Temperature Coefficient) Thermistors

NCP03XH153J05RL
Murata Electronics
1: $0.163
51,917In Stock

Mfr. Part No.
NCP03XH153J05RL

Mouser Part No
81-NCP03XH153J05RL

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

51,917In Stock

Cut Tape

$0.163

$0.136

$0.12

$0.099

View

Reel

$0.073

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5%

NTCDP4AG103JCDBBA
TDK
1: $10.68
387In Stock

Mfr. Part No.
NTCDP4AG103JCDBBA

Mouser Part No
810-NTCDP4AG103JCDBB

TDK

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5%

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Datasheet

387In Stock

$10.68

$9.63

$9.25

$8.79

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 0603 6.8Kohm 5% Thermistor

NTCG164BH682JT1
TDK
1: $1.36
3,952In Stock

Mfr. Part No.
NTCG164BH682JT1

Mouser Part No
810-NTCG164BH682JT1

TDK

NTC (Negative Temperature Coefficient) Thermistors 0603 6.8Kohm 5% Thermistor

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Datasheet

3,952In Stock

Cut Tape

$1.36

$1.29

$1.21

$1.15

View

Reel

$0.895

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Connectorised Surge Protectors SURGE,NN,0-1000MHZ

LAIL350NN
TE Connectivity
1: $82.32
35In Stock

Mfr. Part No.
LAIL350NN

Mouser Part No
814-LAIL350NN

TE Connectivity

Connectorised Surge Protectors SURGE,NN,0-1000MHZ

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Datasheet

35In Stock

$82.32

$75.90

Min.: 1
Mult.: 1

SCRs 800V 25A

2N6509TG
Littelfuse
1: $5.82
896In Stock

Mfr. Part No.
2N6509TG

Mouser Part No
863-2N6509TG

Littelfuse

SCRs 800V 25A

Datasheet

896In Stock

Cut Tape

$5.82

$3.86

$2.75

$2.71

Reel

$2.71

Min.: 1
Mult.: 1

: 1,000

Triacs 16a 50mA 800V IGT 3 QUAD INTERNL ISLTD

BTA16-800BW3G
Littelfuse
1: $6.54
1,459In Stock

Mfr. Part No.
BTA16-800BW3G

Mouser Part No
863-BTA16-800BW3G

Littelfuse

Triacs 16a 50mA 800V IGT 3 QUAD INTERNL ISLTD

Datasheet

1,459In Stock

$6.54

$3.43

$3.13

Min.: 1
Mult.: 1

Triacs ISO TO220 16A 10MA TRIAC

BTA16-800SW3G
Littelfuse
1: $6.92
913In Stock

Mfr. Part No.
BTA16-800SW3G

Mouser Part No
863-BTA16-800SW3G

Littelfuse

Triacs ISO TO220 16A 10MA TRIAC

Datasheet

913In Stock

$6.92

$3.64

$3.41

Min.: 1
Mult.: 1

Triacs Sensitive Gate

MAC12MG
Littelfuse
1: $4.45
1,284In Stock

Mfr. Part No.
MAC12MG

Mouser Part No
863-MAC12MG

Littelfuse

Triacs Sensitive Gate

Datasheet

1,284In Stock

Cut Tape

$4.45

$2.79

$1.88

Reel

$1.88

Min.: 1
Mult.: 1

: 1,000

Triacs Triacs

MAC15A6G
Littelfuse
1: $3.73
2,516In Stock

Mfr. Part No.
MAC15A6G

Mouser Part No
863-MAC15A6G

Littelfuse

Triacs Triacs

Datasheet

2,516In Stock

Cut Tape

$3.73

$2.42

$1.69

$1.52

Reel

$1.48

Min.: 1
Mult.: 1

: 1,000

Triacs THY 8A 600V TRIAC

MAC228A6TG
Littelfuse
1: $6.12
929In Stock

Mfr. Part No.
MAC228A6TG

Mouser Part No
863-MAC228A6TG

Littelfuse

Triacs THY 8A 600V TRIAC

Datasheet

929In Stock

Cut Tape

$6.12

$4.01

$2.99

$2.52

Reel

$2.31

$2.20

Min.: 1
Mult.: 1

: 1,000

ESD Protection Diodes / TVS Diodes Bi Direc TVS Array Data Line Protection

SMDA15CDR2G
onsemi
1: $4.03
2,429In Stock

Mfr. Part No.
SMDA15CDR2G

Mouser Part No
863-SMDA15CDR2G

onsemi

ESD Protection Diodes / TVS Diodes Bi Direc TVS Array Data Line Protection

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Datasheet

2,429In Stock

Cut Tape

$4.03

$2.48

Reel

$2.48

MouseReel Available

Min.: 1
Mult.: 1
Max.: 60

: 2,500

Inrush Current Limiters S 153/15 M

B57153S0150M000
TDK
1: $0.857
8,809In Stock

Mfr. Part No.
B57153S0150M000

Mouser Part No
871-B57153S0150M000

TDK

Inrush Current Limiters S 153/15 M

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Datasheet

8,809In Stock

$0.857

$0.763

$0.647

$0.592

View

Min.: 1
Mult.: 1

Inrush Current Limiters S 237/22 M51

B57237S0220M051
TDK
1: $1.77
3,020In Stock

Mfr. Part No.
B57237S0220M051

Mouser Part No
871-B57237S0220M051

TDK

Inrush Current Limiters S 237/22 M51

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Datasheet

3,020In Stock

Cut Tape

$1.77

$1.63

$1.36

$1.27

Reel

$0.884

View

Min.: 1
Mult.: 1

: 2,000

Inrush Current Limiters S 237/2.2 M51

B57237S0229M051
TDK
1: $1.77
2,375In Stock

Mfr. Part No.
B57237S0229M051

Mouser Part No
871-B57237S0229M051

TDK

Inrush Current Limiters S 237/2.2 M51

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Datasheet

2,375In Stock

Cut Tape

$1.77

$1.60

$1.35

$1.24

Reel

$0.79

View

Min.: 1
Mult.: 1

: 2,000

Varistors 175VAC 10% 7mm StandarD

B72207S0171K101
TDK
1: $0.326
21,334In Stock

Mfr. Part No.
B72207S0171K101

Mouser Part No
871-B72207S171K101

TDK

Varistors 175VAC 10% 7mm StandarD

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Datasheet

21,334In Stock

$0.326

$0.20

$0.171

$0.158

View

Min.: 1
Mult.: 1

Varistors 275VAC 10% 7mm AdvanceD

B72207S2271K101
TDK
1: $0.326
29,156In Stock

Mfr. Part No.
B72207S2271K101

Mouser Part No
871-B72207S2271K101

TDK

Varistors 275VAC 10% 7mm AdvanceD

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Datasheet

29,156In Stock

$0.326

$0.20

$0.171

$0.158

View

Min.: 1
Mult.: 1

Varistors 550VAC 10% 10mm StandarD

B72210S551K101
TDK
1: $1.01
6,115In Stock

Mfr. Part No.
B72210S551K101

Mouser Part No
871-B72210S551K101

TDK

Varistors 550VAC 10% 10mm StandarD

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Datasheet

6,115In Stock

$1.01

$0.636

$0.562

$0.524

View

Min.: 1
Mult.: 1

Varistors Leaded Varistor, 240pF 625VAC, 825VDC

B72214P2621K101
TDK
1: $1.66
9,716In Stock

Mfr. Part No.
B72214P2621K101

Mouser Part No
871-B72214P2621K101

TDK

Varistors Leaded Varistor, 240pF 625VAC, 825VDC

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Datasheet

9,716In Stock

$1.66

$1.20

$1.09

$0.917

View

Min.: 1
Mult.: 1

Varistors 625VAC 10% 20mm SuperioR MP

B72220P3621K101
TDK
1: $3.26
1,650In Stock

Mfr. Part No.
B72220P3621K101

Mouser Part No
871-B72220P3621K101

TDK

Varistors 625VAC 10% 20mm SuperioR MP

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Datasheet

1,650In Stock

$3.26

$2.43

$2.22

$1.93

View

Min.: 1
Mult.: 1

Varistors 680VAC 10% 20mm StandarD

B72220S0681K101
TDK
1: $1.07
3,488In Stock

Mfr. Part No.
B72220S0681K101

Mouser Part No
871-B72220S0681K101

TDK

Varistors 680VAC 10% 20mm StandarD

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Datasheet

3,488In Stock

$1.07

$0.936

$0.934

$0.899

Min.: 1
Mult.: 1

Varistors 14Vrms 120A

B72510E0140K062
TDK
1: $0.639
55,929In Stock

Mfr. Part No.
B72510E0140K062

Mouser Part No
871-B72510E0140K062

TDK

Varistors 14Vrms 120A

Learn More

Datasheet

55,929In Stock

Cut Tape

$0.639

$0.394

$0.343

$0.317

View

Reel

$0.245

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Circuit Protection

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