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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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Part #

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

TT2-2.186KC7L-1
CTS Electronic Components
1: 13,06 zł
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

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Datasheet

500In Stock

13,06 zł

11,26 zł

10,71 zł

10,21 zł

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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: 337,43 zł
14In Stock
36Expected 10/5/2026
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

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Datasheet

14In Stock

36Expected 10/5/2026

337,43 zł

279,89 zł

258,17 zł

213,61 zł

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Min.: 1
Mult.: 1

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

TTDO-10KC3-8
CTS Electronic Components
1: 4,75 zł
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

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Datasheet

497In Stock

4,75 zł

4,08 zł

3,86 zł

3,54 zł

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Min.: 1
Mult.: 1

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

3298080.ZXM10
Littelfuse
1: 43,64 zł
339In 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

339In Stock

43,64 zł

42,13 zł

37,30 zł

30,07 zł

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23

VGSOT24C-HG3-08
Vishay Semiconductors
1: 1,99 zł
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

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Datasheet

29 539In Stock

Cut Tape

1,99 zł

1,03 zł

0,769 zł

0,58 zł

Reel

0,441 zł

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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: 8,11 zł
249In Stock
251Expected 11/12/2026
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

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Datasheet

249In Stock

251Expected 11/12/2026

8,11 zł

6,97 zł

6,64 zł

6,05 zł

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 20K, +/-0.2C: 0C-70C, B4260, Teflon insulated wire

TTS-20KC6-BZ
CTS Electronic Components
1: 8,69 zł
386In Stock
114Expected 11/12/2026
New Product

Mfr. Part No.
TTS-20KC6-BZ

Mouser Part No
774-TTS20KC6BZ

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 20K, +/-0.2C: 0C-70C, B4260, Teflon insulated wire

Learn More

Datasheet

386In Stock

114Expected 11/12/2026

8,69 zł

7,52 zł

7,10 zł

6,47 zł

View

Min.: 1
Mult.: 1

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

CPDE5V0U-HF
Comchip Technology
1: 1,30 zł
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

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Datasheet

5 193In Stock

Cut Tape

1,30 zł

0,916 zł

0,58 zł

0,357 zł

Reel

0,176 zł

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Min.: 1
Mult.: 1

: 8 000

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

SMAJE33AH
Eaton Electronics
1: 1,55 zł
2 611In 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

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Datasheet

2 611In Stock

Cut Tape

1,55 zł

1,00 zł

0,592 zł

0,449 zł

Reel

0,302 zł

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Min.: 1
Mult.: 1

: 5 000

Circuit Breakers C Series 120A DC Hydraulic/Magnetic Circuit Breaker, UL489A, Black Handle

CA1-P0-D6-812-321-MT
Carling Technologies
1: 237,47 zł
8In Stock
New Product

Mfr. Part No.
CA1-P0-D6-812-321-MT

Mouser Part No
691-CA1-P0D6812321MT

New Product

Carling Technologies

Circuit Breakers C Series 120A DC Hydraulic/Magnetic Circuit Breaker, UL489A, Black Handle

Datasheet

8In Stock

237,47 zł

196,98 zł

181,73 zł

150,40 zł

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Min.: 1
Mult.: 1

Circuit Breaker Accessories 250A 3P Thermal Mag Fixed/Adj Trip Unit

JT3250FA
Eaton Electrical
1: 6 512,86 zł
1In Stock
New Product

Mfr. Part No.
JT3250FA

Mouser Part No
504-JT3250FA

New Product

Eaton Electrical

Circuit Breaker Accessories 250A 3P Thermal Mag Fixed/Adj Trip Unit

1In Stock

6 512,86 zł

Min.: 1
Mult.: 1

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

CPDE5V0-HF
Comchip Technology
1: 1,30 zł
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

1,30 zł

0,916 zł

0,58 zł

0,357 zł

Reel

0,176 zł

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: 8,11 zł
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

8,11 zł

6,97 zł

6,64 zł

6,05 zł

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: 8,69 zł
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

8,69 zł

7,52 zł

7,10 zł

6,47 zł

View

Min.: 1
Mult.: 1

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

SD90ABB
Bourns
1: 8,48 zł
15 224In 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 224In Stock

Cut Tape

8,48 zł

7,85 zł

6,51 zł

5,80 zł

View

Reel

3,85 zł

MouseReel Available

Min.: 1
Mult.: 1

: 4 000

Circuit Breaker Accessories LG 3 Pole 400A LSI Electronic Trip Unit

LT340032
Eaton Electrical
1: 14 031,78 zł
1In Stock
New Product

Mfr. Part No.
LT340032

Mouser Part No
504-LT340032

New Product

Eaton Electrical

Circuit Breaker Accessories LG 3 Pole 400A LSI Electronic Trip Unit

1In Stock

14 031,78 zł

Min.: 1
Mult.: 1

Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K

BRH230
Eaton Electrical
1: 1 621,54 zł
3In Stock
New Product

Mfr. Part No.
BRH230

Mouser Part No
504-BRH230

New Product

Eaton Electrical

Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K

Datasheet

3In Stock

1 621,54 zł

1 193,98 zł

1 120,22 zł

1 005,27 zł

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Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU

PDG23F0020TFFJ
Eaton Electrical
1: 2 667,88 zł
2In Stock
New Product

Mfr. Part No.
PDG23F0020TFFJ

Mouser Part No
504-PDG23F0020TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

2 667,88 zł

2 210,08 zł

2 036,83 zł

Min.: 1
Mult.: 1

Circuit Breakers PDG2, 50A, MCP, STD CALIBRATION-HMCPS

PDG23M0050MSAN
Eaton Electrical
1: 2 978,98 zł
1In Stock
New Product

Mfr. Part No.
PDG23M0050MSAN

Mouser Part No
504-PDG23M0050MSAN

New Product

Eaton Electrical

Circuit Breakers PDG2, 50A, MCP, STD CALIBRATION-HMCPS

Datasheet

1In Stock

2 978,98 zł

2 467,75 zł

2 274,30 zł

Min.: 1
Mult.: 1

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

NTCLE213E3103FHB0A
Vishay / BC Components
1: 6,93 zł
402In Stock
1 500Expected 9/1/2026
New Product

Mfr. Part No.
NTCLE213E3103FHB0A

Mouser Part No
594-NTCLE213E313FHB

New Product

Vishay / BC Components

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

Datasheet

402In Stock

1 500Expected 9/1/2026

6,93 zł

5,21 zł

4,15 zł

3,90 zł

View

Min.: 1
Mult.: 1

Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K

CH340
Eaton Electrical
1: 2 238,35 zł
3In Stock
New Product

Mfr. Part No.
CH340

Mouser Part No
504-CH340

New Product

Eaton Electrical

Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K

Datasheet

3In Stock

2 238,35 zł

1 805,45 zł

1 688,23 zł

View

Min.: 1
Mult.: 1

Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC

CHFN130GF
Eaton Electrical
1: 1 742,92 zł
1In Stock
New Product

Mfr. Part No.
CHFN130GF

Mouser Part No
504-CHFN130GF

New Product

Eaton Electrical

Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC

1In Stock

1 742,92 zł

1 529,72 zł

1 391,08 zł

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Min.: 1
Mult.: 1

Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE

FAZ-D2.5/2
Eaton Electrical
1: 1 560,01 zł
1In Stock
New Product

Mfr. Part No.
FAZ-D2.5/2

Mouser Part No
504-FAZ-D2.5/2

New Product

Eaton Electrical

Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE

Datasheet

1In Stock

1 560,01 zł

1 292,30 zł

1 190,99 zł

Min.: 1
Mult.: 1

Circuit Breakers HFD-DC BREAKER - LINE & LOAD TERMINALS

HFDDC1060L
Eaton Electrical
1: 2 104,66 zł
1In Stock
New Product

Mfr. Part No.
HFDDC1060L

Mouser Part No
504-HFDDC1060L

New Product

Eaton Electrical

Circuit Breakers HFD-DC BREAKER - LINE & LOAD TERMINALS

Datasheet

1In Stock

2 104,66 zł

2 061,99 zł

2 032,25 zł

2 002,39 zł

View

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU

PDG23F0035TFFJ
Eaton Electrical
1: 2 667,88 zł
2In Stock
New Product

Mfr. Part No.
PDG23F0035TFFJ

Mouser Part No
504-PDG23F0035TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

2 667,88 zł

2 210,08 zł

2 037,42 zł

View

Min.: 1
Mult.: 1

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