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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: 359,338

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Part #

NTC Thermistors Assembly Probe KN3 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

PT3M-51F-KN3
Shibaura Electronics
1: NT$217.25
99In Stock
New Product

Mfr. Part #
PT3M-51F-KN3

Mouser Part #
603-PT3M-51F-KN3

New Product

Shibaura Electronics

NTC Thermistors Assembly Probe KN3 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

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Datasheet

99In Stock

NT$217.25

NT$197.89

NT$168.14

NT$160.97

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Min.: 1
Mult.: 1

NTC Thermistors Assembly Probe RT1 Type R100=3.3kOhms 2.5% Temp. Range -20 to 180

PTP-51F-RT1
Shibaura Electronics
1: NT$217.25
99In Stock
New Product

Mfr. Part #
PTP-51F-RT1

Mouser Part #
603-PTP-51F-RT1

New Product

Shibaura Electronics

NTC Thermistors Assembly Probe RT1 Type R100=3.3kOhms 2.5% Temp. Range -20 to 180

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Datasheet

99In Stock

NT$217.25

NT$197.89

NT$168.14

NT$160.97

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

CDSOD323-T24LC-Q
Bourns
1: NT$44.45
2,037In Stock
New Product

Mfr. Part #
CDSOD323-T24LC-Q

Mouser Part #
652-CDSOD323-T24LC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

Learn More

Datasheet

2,037In Stock

Cut Tape

NT$44.45

NT$27.82

NT$18.28

NT$14.23

Reel

NT$11.01

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Circuit Breakers LG 3 POLE 150KA FRAME ONLY

LGU3630NN
Eaton Electrical
1: NT$503,079.47
1In Stock
New Product

Mfr. Part #
LGU3630NN

Mouser Part #
504-LGU3630NN

New Product

Eaton Electrical

Circuit Breakers LG 3 POLE 150KA FRAME ONLY

Datasheet

1In Stock

NT$503,079.47

Min.: 1
Mult.: 1

Connectorized Surge Protectors

P8AX09-N/FF/HE
Citel
1: NT$5,544.20
3In Stock
New At Mouser

Mfr. Part #
P8AX09-N/FF/HE

Mouser Part #
703-P8AX09-N/FF/HE

New At Mouser

Citel

Connectorized Surge Protectors

Datasheet

3In Stock

NT$5,544.20

NT$4,597.05

NT$4,338.21

NT$3,317.56

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R

SMBJ33A-E
Littelfuse
1: NT$18.28
2,083In Stock
New Product

Mfr. Part #
SMBJ33A-E

Mouser Part #
576-SMBJ33AE

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R

Datasheet

2,083In Stock

Cut Tape

NT$18.28

NT$9.64

NT$7.17

NT$5.45

Reel

NT$2.87

View

Min.: 1
Mult.: 1

: 3,000

Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU

PDG23F0200TFFJ
Eaton Electrical
1: NT$39,927.58
2In Stock
New Product

Mfr. Part #
PDG23F0200TFFJ

Mouser Part #
504-PDG23F0200TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

NT$39,927.58

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU

PDG23G0150TFFJ
Eaton Electrical
1: NT$40,327.31
3In Stock
New Product

Mfr. Part #
PDG23G0150TFFJ

Mouser Part #
504-PDG23G0150TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU

Datasheet

3In Stock

NT$40,327.31

Min.: 1
Mult.: 1

Connectorized Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology

3406.00.0036
HUBER+SUHNER
1: NT$9,235.68
8In Stock
New Product

Mfr. Part #
3406.00.0036

Mouser Part #
455-3406000036

New Product

HUBER+SUHNER

Connectorized Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology

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Datasheet

8In Stock

NT$9,235.68

NT$8,361.65

NT$8,038.29

Min.: 1
Mult.: 1

Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI

PDG33G0250B2NJ
Eaton Electrical
1: NT$92,041.65
1In Stock
New Product

Mfr. Part #
PDG33G0250B2NJ

Mouser Part #
504-PDG33G0250B2NJ

New Product

Eaton Electrical

Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI

Datasheet

1In Stock

NT$92,041.65

NT$85,777.58

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS

SMC5K54CAHM3/I
Vishay
1: NT$103.97
2,240In Stock
New Product

Mfr. Part #
SMC5K54CAHM3/I

Mouser Part #
78-SMC5K54CAHM3/I

New Product

Vishay

ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS

Learn More

Datasheet

2,240In Stock

Cut Tape

NT$103.97

NT$67.40

NT$49.47

NT$41.94

Reel

NT$33.73

View

Min.: 1
Mult.: 1

: 3,500

Circuit Breakers 2P 250AMP HMCP

HM2P250J5
Eaton Electrical
1: NT$82,783.03
1In Stock
New Product

Mfr. Part #
HM2P250J5

Mouser Part #
504-HM2P250J5

New Product

Eaton Electrical

Circuit Breakers 2P 250AMP HMCP

Datasheet

1In Stock

NT$82,783.03

NT$79,081.87

Min.: 1
Mult.: 1

Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU

PDG10F0080TFFJ
Eaton Electrical
1: NT$39,999.28
2In Stock
New Product

Mfr. Part #
PDG10F0080TFFJ

Mouser Part #
504-PDG10F0080TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

NT$39,999.28

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI

PDG23G0150P2ML
Eaton Electrical
1: NT$76,609.30
1In Stock
New Product

Mfr. Part #
PDG23G0150P2ML

Mouser Part #
504-PDG23G0150P2ML

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI

Datasheet

1In Stock

NT$76,609.30

NT$71,395.63

Min.: 1
Mult.: 1

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

NTCLE213E3103FHT1A
Vishay / BC Components
1: NT$62.02
2,695In Stock
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

2,695In Stock

NT$62.02

NT$46.61

NT$37.28

NT$35.17

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5KW, 33V 5%,BIDIR,SMC TVS

SMC5K33CAHM3/I
Vishay
1: NT$65.25
6,927In Stock
New Product

Mfr. Part #
SMC5K33CAHM3/I

Mouser Part #
78-SMC5K33CAHM3/I

New Product

Vishay

ESD Protection Diodes / TVS Diodes 5KW, 33V 5%,BIDIR,SMC TVS

Learn More

Datasheet

6,927In Stock

Cut Tape

NT$65.25

NT$54.49

NT$43.02

NT$36.57

Reel

NT$34.20

View

Min.: 1
Mult.: 1

: 3,500

Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm

EGS3100FFG
Eaton Electrical
1: NT$52,897.39
3In Stock
New Product

Mfr. Part #
EGS3100FFG

Mouser Part #
504-EGS3100FFG

New Product

Eaton Electrical

Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm

Datasheet

3In Stock

NT$52,897.39

Min.: 1
Mult.: 1

Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P

NZMN1-A80-NA
Eaton Electrical
1: NT$94,316.69
2In Stock
New Product

Mfr. Part #
NZMN1-A80-NA

Mouser Part #
504-NZMN1-A80-NA

New Product

Eaton Electrical

Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P

Datasheet

2In Stock

NT$94,316.69

Min.: 1
Mult.: 1

Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU

PDG22K0125TFFJ
Eaton Electrical
1: NT$35,540.61
5In Stock
New Product

Mfr. Part #
PDG22K0125TFFJ

Mouser Part #
504-PDG22K0125TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU

Datasheet

5In Stock

NT$35,540.61

Min.: 1
Mult.: 1

Power Outlet Strips EA BA PDU 1U, C20 INPUT, 3.33 KW MAX, 11

T9092B-CBSF
Eaton
1: NT$43,429.05
18In Stock
42On Order

Mfr. Part #
T9092B-CBSF

Mouser Part #
545-T9092B-CBSF

Eaton

Power Outlet Strips EA BA PDU 1U, C20 INPUT, 3.33 KW MAX, 11

Datasheet

18In Stock

42On Order

NT$43,429.05

NT$38,387.10

View

Min.: 1
Mult.: 1

NTC Thermistors 30K +/-1% Glass Bead, B3990, 300C

TT2-30KC5-3
CTS Electronic Components
1: NT$88.55
497In Stock
New Product

Mfr. Part #
TT2-30KC5-3

Mouser Part #
774-TT230KC53

New Product

CTS Electronic Components

NTC Thermistors 30K +/-1% Glass Bead, B3990, 300C

Learn More

Datasheet

497In Stock

NT$88.55

NT$76.36

NT$72.42

NT$65.96

View

Min.: 1
Mult.: 1

NTC Thermistors 2.186K +/-1% Glass Bead, B3390,300C

TT2-2.186KC7L-1
CTS Electronic Components
1: NT$129.78
500In Stock
New Product

Mfr. Part #
TT2-2.186KC7L-1

Mouser Part #
774-TT22.186KC7L1

New Product

CTS Electronic Components

NTC Thermistors 2.186K +/-1% Glass Bead, B3390,300C

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Datasheet

500In Stock

NT$129.78

NT$111.85

NT$106.12

NT$101.10

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses APO Rated current: 400A, Rated voltage: 1000VDC, Trigger Type: active, Mounting: Bolt-on A, ConType: AK2-1

3-158-119
Schurter
1: NT$3,349.11
14In Stock
36Expected 1/6/2027
New Product

Mfr. Part #
3-158-119

Mouser Part #
693-3-158-119

New Product

Schurter

Industrial & Electrical Fuses APO Rated current: 400A, Rated voltage: 1000VDC, Trigger Type: active, Mounting: Bolt-on A, ConType: AK2-1

Learn More

Datasheet

14In Stock

36Expected 1/6/2027

NT$3,349.11

NT$2,778.02

NT$2,562.56

NT$2,120.17

View

Min.: 1
Mult.: 1

NTC Thermistors 10k, DO-35 glass NTC, B3977

TTDO-10KC3-8
CTS Electronic Components
1: NT$46.96
497In Stock
New Product

Mfr. Part #
TTDO-10KC3-8

Mouser Part #
774-TTDO10KC38

New Product

CTS Electronic Components

NTC Thermistors 10k, DO-35 glass NTC, B3977

Learn More

Datasheet

497In Stock

NT$46.96

NT$40.51

NT$38.36

NT$35.10

View

Min.: 1
Mult.: 1

NTC Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire

TTS-1KC3-BG
CTS Electronic Components
1: NT$80.30
500In Stock
New Product

Mfr. Part #
TTS-1KC3-BG

Mouser Part #
774-TTS1KC3BG

New Product

CTS Electronic Components

NTC Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire

Learn More

Datasheet

500In Stock

NT$80.30

NT$69.19

NT$65.96

NT$59.87

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

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