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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: 359,614

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Part #

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

SMBJ33A-E
Littelfuse
1: £0.383
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

£0.383

£0.202

£0.15

£0.114

Reel

£0.06

View

Min.: 1
Mult.: 1

: 3,000

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

PDG23F0200TFFJ
Eaton Electrical
1: £836.18
2In Stock
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

£836.18

Min.: 1
Mult.: 1

Circuit Breakers 2P 250AMP HMCP

HM2P250J5
Eaton Electrical
1: £1,733.66
1In Stock
New Product

Mfr. Part No.
HM2P250J5

Mouser Part No
504-HM2P250J5

New Product

Eaton Electrical

Circuit Breakers 2P 250AMP HMCP

Datasheet

1In Stock

£1,733.66

£1,656.15

Min.: 1
Mult.: 1

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

PDG10F0080TFFJ
Eaton Electrical
1: £837.68
2In Stock
New Product

Mfr. Part No.
PDG10F0080TFFJ

Mouser Part No
504-PDG10F0080TFFJ

New Product

Eaton Electrical

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

Datasheet

2In Stock

£837.68

Min.: 1
Mult.: 1

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

3406.00.0036
HUBER+SUHNER
1: £193.41
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

Learn More

Datasheet

8In Stock

£193.41

£175.12

£168.34

Min.: 1
Mult.: 1

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

PDG33G0250B2NJ
Eaton Electrical
1: £1,927.56
1In Stock
New Product

Mfr. Part No.
PDG33G0250B2NJ

Mouser Part No
504-PDG33G0250B2NJ

New Product

Eaton Electrical

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

Datasheet

1In Stock

£1,927.56

£1,804.95

Min.: 1
Mult.: 1

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

SMC5K54CAHM3/I
Vishay
1: £2.17
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

£2.17

£1.41

£1.04

£0.882

Reel

£0.706

View

Min.: 1
Mult.: 1

: 3,500

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

PDG23G0150TFFJ
Eaton Electrical
1: £844.55
3In Stock
New Product

Mfr. Part No.
PDG23G0150TFFJ

Mouser Part No
504-PDG23G0150TFFJ

New Product

Eaton Electrical

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

Datasheet

3In Stock

£844.55

Min.: 1
Mult.: 1

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

EGS3100FFG
Eaton Electrical
1: £1,107.79
3In Stock
New Product

Mfr. Part No.
EGS3100FFG

Mouser Part No
504-EGS3100FFG

New Product

Eaton Electrical

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

Datasheet

3In Stock

£1,107.79

Min.: 1
Mult.: 1

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

NZMN1-A80-NA
Eaton Electrical
1: £1,975.21
2In Stock
New Product

Mfr. Part No.
NZMN1-A80-NA

Mouser Part No
504-NZMN1-A80-NA

New Product

Eaton Electrical

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

Datasheet

2In Stock

£1,975.21

Min.: 1
Mult.: 1

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

PDG22K0125TFFJ
Eaton Electrical
1: £744.30
5In Stock
New Product

Mfr. Part No.
PDG22K0125TFFJ

Mouser Part No
504-PDG22K0125TFFJ

New Product

Eaton Electrical

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

Datasheet

5In Stock

£744.30

Min.: 1
Mult.: 1

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

PDG23G0150P2ML
Eaton Electrical
1: £1,604.37
1In Stock
New Product

Mfr. Part No.
PDG23G0150P2ML

Mouser Part No
504-PDG23G0150P2ML

New Product

Eaton Electrical

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

Datasheet

1In Stock

£1,604.37

£1,502.33

Min.: 1
Mult.: 1

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

NTCLE213E3103FHT1A
Vishay / BC Components
1: £1.30
2,695In 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

2,695In Stock

£1.30

£0.978

£0.78

£0.737

View

Min.: 1
Mult.: 1

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

SMC5K33CAHM3/I
Vishay
1: £1.37
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

Learn More

Datasheet

6,927In Stock

Cut Tape

£1.37

£1.14

£0.899

£0.766

Reel

£0.716

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: £909.50
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

£909.50

£803.91

View

Min.: 1
Mult.: 1

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

TT2-30KC5-3
CTS Electronic Components
1: £1.85
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

£1.85

£1.60

£1.52

£1.38

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: £70.14
14In Stock
36Expected 16/09/2026
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

Learn More

Datasheet

14In Stock

36Expected 16/09/2026

£70.14

£58.18

£53.66

£44.40

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: £2.72
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

£2.72

£2.34

£2.23

£2.12

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: £1.68
500In 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

500In Stock

£1.68

£1.45

£1.38

£1.26

View

Min.: 1
Mult.: 1

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

TTDO-10KC3-8
CTS Electronic Components
1: £0.986
497In 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

497In Stock

£0.986

£0.849

£0.803

£0.735

View

Min.: 1
Mult.: 1

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

3298080.ZXM10
Littelfuse
1: £9.07
338In 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

338In Stock

£9.07

£8.76

£7.75

£6.25

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33A2-03GHE3A08
Vishay
1: £0.33
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

£0.33

£0.212

£0.126

£0.095

Reel

£0.07

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23

VGSOT24C-HG3-08
Vishay Semiconductors
1: £0.413
29,539In Stock
New Product

Mfr. Part No.
VGSOT24C-HG3-08

Mouser Part No
78-VGSOT24C-HG3-08

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23

Learn More

Datasheet

29,539In Stock

Cut Tape

£0.413

£0.215

£0.16

£0.12

Reel

£0.092

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

TTS-30KC5-BG
CTS Electronic Components
1: £1.68
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

£1.68

£1.45

£1.38

£1.26

View

Min.: 1
Mult.: 1

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

CPDE5V0-HF
Comchip Technology
1: £0.271
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

£0.271

£0.19

£0.12

£0.074

Reel

£0.037

View

Min.: 1
Mult.: 1

: 8,000

Circuit Protection

Types of Circuit Protection

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