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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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Types of Circuit Protection

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Part #

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KN3 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

PT3M-51F-KN3
Shibaura Electronics
1: $6.06
99In Stock
New Product

Mfr. Part No.
PT3M-51F-KN3

Mouser Part No
603-PT3M-51F-KN3

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe KN3 Type R100=3.3kOhms 2.5% Temp. Range -20 to 300

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Datasheet

99In Stock

$6.06

$5.52

$4.69

$4.49

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe RT1 Type R100=3.3kOhms 2.5% Temp. Range -20 to 180

PTP-51F-RT1
Shibaura Electronics
1: $6.06
99In Stock
New Product

Mfr. Part No.
PTP-51F-RT1

Mouser Part No
603-PTP-51F-RT1

New Product

Shibaura Electronics

NTC (Negative Temperature Coefficient) Thermistors Assembly Probe RT1 Type R100=3.3kOhms 2.5% Temp. Range -20 to 180

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Datasheet

99In Stock

$6.06

$5.52

$4.69

$4.49

View

Min.: 1
Mult.: 1

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

CDSOD323-T24LC-Q
Bourns
1: $1.24
1,952In Stock
New Product

Mfr. Part No.
CDSOD323-T24LC-Q

Mouser Part No
652-CDSOD323-T24LC-Q

New Product

Bourns

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

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Datasheet

1,952In Stock

Cut Tape

$1.24

$0.776

$0.51

$0.397

Reel

$0.307

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Connectorised Surge Protectors

P8AX09-N/FF/HE
Citel
1: $154.65
3In Stock
New At Mouser

Mfr. Part No.
P8AX09-N/FF/HE

Mouser Part No
703-P8AX09-N/FF/HE

New At Mouser

Citel

Connectorised Surge Protectors

Datasheet

3In Stock

$154.65

$128.23

$121.01

$92.54

Min.: 1
Mult.: 1

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

SMBJ33A-E
Littelfuse
1: $0.51
2,083In Stock
New Product

Mfr. Part No.
SMBJ33A-E

Mouser Part No
576-SMBJ33AE

New Product

Littelfuse

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

Datasheet

2,083In Stock

Cut Tape

$0.51

$0.269

$0.20

$0.152

Reel

$0.08

View

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

NTCLE213E3103FHT1A
Vishay / BC Components
1: $1.73
2,664In Stock
New Product

Mfr. Part No.
NTCLE213E3103FHT1A

Mouser Part No
594-NTCLE213E313FHT1

New Product

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

Datasheet

2,664In Stock

$1.73

$1.30

$1.04

$0.981

View

Min.: 1
Mult.: 1

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

SMC5K33CAHM3/I
Vishay
1: $1.82
6,927In Stock
New Product

Mfr. Part No.
SMC5K33CAHM3/I

Mouser Part No
78-SMC5K33CAHM3/I

New Product

Vishay

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

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Datasheet

6,927In Stock

Cut Tape

$1.82

$1.52

$1.20

$1.02

Reel

$0.954

View

Min.: 1
Mult.: 1

: 3,500

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

PDG23F0200TFFJ
Eaton Electrical
1: $1,257.99
2In Stock
2Expected 19/10/2026
New Product

Mfr. Part No.
PDG23F0200TFFJ

Mouser Part No
504-PDG23F0200TFFJ

New Product

Eaton Electrical

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

Datasheet

2In Stock

2Expected 19/10/2026

$1,257.99

Min.: 1
Mult.: 1

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

3406.00.0036
HUBER+SUHNER
1: $257.62
8In Stock
New Product

Mfr. Part No.
3406.00.0036

Mouser Part No
455-3406000036

New Product

HUBER+SUHNER

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

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Datasheet

8In Stock

$257.62

$233.24

$224.22

Min.: 1
Mult.: 1

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

SMC5K54CAHM3/I
Vishay
1: $2.90
2,240In Stock
New Product

Mfr. Part No.
SMC5K54CAHM3/I

Mouser Part No
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

$2.90

$1.88

$1.38

$1.17

Reel

$0.941

View

Min.: 1
Mult.: 1

: 3,500

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

T9092B-CBSF
Eaton
1: $1,211.41
18In Stock
42On Order

Mfr. Part No.
T9092B-CBSF

Mouser Part No
545-T9092B-CBSF

Eaton

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

Datasheet

18In Stock

42On Order

$1,211.41

$1,070.77

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: $93.42
14In Stock
36Expected 22/01/2027
New Product

Mfr. Part No.
3-158-119

Mouser Part No
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

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Datasheet

14In Stock

36Expected 22/01/2027

$93.42

$77.49

$71.48

$59.14

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977

TTDO-10KC3-8
CTS Electronic Components
1: $1.31
482In Stock
New Product

Mfr. Part No.
TTDO-10KC3-8

Mouser Part No
774-TTDO10KC38

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977

Learn More

Datasheet

482In Stock

$1.31

$1.13

$1.07

$0.979

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 30K +/-1% Glass Bead, B3990, 300C

TT2-30KC5-3
CTS Electronic Components
1: $2.47
497In Stock
New Product

Mfr. Part No.
TT2-30KC5-3

Mouser Part No
774-TT230KC53

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 30K +/-1% Glass Bead, B3990, 300C

Learn More

Datasheet

497In Stock

$2.47

$2.13

$2.02

$1.84

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 2.186K +/-1% Glass Bead, B3390,300C

TT2-2.186KC7L-1
CTS Electronic Components
1: $3.62
500In Stock
New Product

Mfr. Part No.
TT2-2.186KC7L-1

Mouser Part No
774-TT22.186KC7L1

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 2.186K +/-1% Glass Bead, B3390,300C

Learn More

Datasheet

500In Stock

$3.62

$3.12

$2.96

$2.82

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire

TTS-1KC3-BG
CTS Electronic Components
1: $2.24
496In Stock
New Product

Mfr. Part No.
TTS-1KC3-BG

Mouser Part No
774-TTS1KC3BG

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire

Learn More

Datasheet

496In Stock

$2.24

$1.93

$1.84

$1.67

View

Min.: 1
Mult.: 1

Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC

3298080.ZXM10
Littelfuse
1: $12.08
337In Stock
New Product

Mfr. Part No.
3298080.ZXM10

Mouser Part No
576-3298080.ZXM10

New Product

Littelfuse

Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC

Datasheet

337In Stock

$12.08

$11.66

$10.33

$8.33

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33A2-03GHE3A08
Vishay
1: $0.47
19,029In Stock
New Product

Mfr. Part No.
VCAN33A2-03GHE3A08

Mouser Part No
78-VCAN33A2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

19,029In Stock

Cut Tape

$0.47

$0.32

$0.181

$0.143

Reel

$0.101

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes DIODE ESD UNI-DIRECTIONAL 5VWM 5A SOD-723

CPDE5V0U-HF
Comchip Technology
1: $0.36
5,193In Stock
New Product

Mfr. Part No.
CPDE5V0U-HF

Mouser Part No
750-CPDE5V0U-HF

New Product

Comchip Technology

ESD Protection Diodes / TVS Diodes DIODE ESD UNI-DIRECTIONAL 5VWM 5A SOD-723

Learn More

Datasheet

5,193In Stock

Cut Tape

$0.36

$0.254

$0.161

$0.099

Reel

$0.049

View

Min.: 1
Mult.: 1

: 8,000

ESD Protection Diodes / TVS Diodes DIODE ESD BI-DIRECTIONAL 5VWM 5A SOD-723

CPDE5V0-HF
Comchip Technology
1: $0.36
4,352In Stock
New Product

Mfr. Part No.
CPDE5V0-HF

Mouser Part No
750-CPDE5V0-HF

New Product

Comchip Technology

ESD Protection Diodes / TVS Diodes DIODE ESD BI-DIRECTIONAL 5VWM 5A SOD-723

Learn More

Datasheet

4,352In Stock

Cut Tape

$0.36

$0.254

$0.161

$0.099

Reel

$0.049

View

Min.: 1
Mult.: 1

: 8,000

NTC (Negative Temperature Coefficient) Thermistors 3K, +/-0.2C: 0C-70C, B3977, uninsulated wire

TTS-3KC3-BG
CTS Electronic Components
1: $2.24
500In Stock
New Product

Mfr. Part No.
TTS-3KC3-BG

Mouser Part No
774-TTS3KC3BG

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 3K, +/-0.2C: 0C-70C, B3977, uninsulated wire

Learn More

Datasheet

500In Stock

$2.24

$1.93

$1.84

$1.67

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 50K, +/-0.2C: 0C-70C, B4260, Teflon insulated wire

TTS-50KC6-BZ
CTS Electronic Components
1: $2.41
250In Stock
New Product

Mfr. Part No.
TTS-50KC6-BZ

Mouser Part No
774-TTS50KC6BZ

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 50K, +/-0.2C: 0C-70C, B4260, Teflon insulated wire

Learn More

Datasheet

250In Stock

$2.41

$2.08

$1.97

$1.79

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 30K, +/-0.2C: 0C-70C, B3942, uninsulated wire

TTS-30KC5-BG
CTS Electronic Components
1: $2.24
249In Stock
251Expected 12/11/2026
New Product

Mfr. Part No.
TTS-30KC5-BG

Mouser Part No
774-TTS30KC5BG

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 30K, +/-0.2C: 0C-70C, B3942, uninsulated wire

Learn More

Datasheet

249In Stock

251Expected 12/11/2026

$2.24

$1.93

$1.84

$1.67

View

Min.: 1
Mult.: 1

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

SD90ABB
Bourns
1: $2.84
15,204In 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

15,204In Stock

Cut Tape

$2.84

$2.46

$1.99

$1.69

View

Reel

$1.15

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes AUTO TVS DIODE, SMAJE FAMILY, 33Vdc, Uni

SMAJE33AH
Eaton Electronics
1: $0.43
2,984In Stock
New Product

Mfr. Part No.
SMAJE33AH

Mouser Part No
504-MAJE33AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes AUTO TVS DIODE, SMAJE FAMILY, 33Vdc, Uni

Learn More

Datasheet

2,984In Stock

Cut Tape

$0.43

$0.277

$0.164

$0.124

Reel

$0.084

View

Min.: 1
Mult.: 1

: 5,000

Circuit Protection

Types of Circuit Protection

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