.hide-partial { max-height: none; } .show-more { display: none; }

Semitec Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 457

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

NTC (Negative Temperature Coefficient) Thermistors 10 kohm 1% 0402

103KT1005T-1P
Semitec
1: 0,201 €
20 342In Stock

Mfr. Part No.
103KT1005T-1P

Mouser Part No
954-103KT1005T-1P

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10 kohm 1% 0402

Learn More

Datasheet

20 342In Stock

Cut Tape

0,201 €

0,184 €

0,162 €

0,142 €

Reel

0,113 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10 000

NTC (Negative Temperature Coefficient) Thermistors 20kohm 1%

203AT-2
Semitec
1: 0,513 €
5 336In Stock

Mfr. Part No.
203AT-2

Mouser Part No
954-203AT-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 20kohm 1%

Learn More

Datasheet

5 336In Stock

0,513 €

0,456 €

0,455 €

0,395 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 39V 250W

ZS1039-T
Semitec
1: 1,43 €
2 517In Stock

Mfr. Part No.
ZS1039-T

Mouser Part No
954-ZS1039-T

Semitec

ESD Protection Diodes / TVS Diodes 39V 250W

Datasheet

2 517In Stock

Cut Tape

1,43 €

1,11 €

0,875 €

0,687 €

Reel

0,55 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1 500

Varistors 150V 4500A 16mm

Z15D151
Semitec
1: 1,87 €
929In Stock

Mfr. Part No.
Z15D151

Mouser Part No
954-Z15D151

Semitec

Varistors 150V 4500A 16mm

Datasheet

929In Stock

1,87 €

1,16 €

0,795 €

0,743 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 12V 250W

ZS1012U-T
Semitec
1: 1,17 €
2 348In Stock

Mfr. Part No.
ZS1012U-T

Mouser Part No
954-ZS1012U-T

Semitec

ESD Protection Diodes / TVS Diodes 12V 250W

Datasheet

2 348In Stock

Cut Tape

1,17 €

0,818 €

0,579 €

0,521 €

Reel

0,459 €

0,425 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1 500

NTC (Negative Temperature Coefficient) Thermistors 1kohm 1%

102AT-2
Semitec
1: 0,704 €
18In Stock
200Expected 15/05/2026

Mfr. Part No.
102AT-2

Mouser Part No
954-102AT-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 1kohm 1%

Learn More

Datasheet

18In Stock

200Expected 15/05/2026

0,704 €

0,664 €

0,622 €

0,592 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10kohm 1% Shape 1 30 AWG 120mm

103AT-4-70378
Semitec
1: 0,684 €
1 820In Stock
1 600Expected 08/06/2026

Mfr. Part No.
103AT-4-70378

Mouser Part No
954-103AT-4-70378

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 1% Shape 1 30 AWG 120mm

Learn More

Datasheet

1 820In Stock

1 600Expected 08/06/2026

0,684 €

0,648 €

0,606 €

0,577 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10kohm 1% Shape1 30 AWG 75mm

103AT-4-80025
Semitec
1: 0,835 €
21In Stock

Mfr. Part No.
103AT-4-80025

Mouser Part No
954-103AT-4-80025

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 1% Shape1 30 AWG 75mm

Learn More

Datasheet

21In Stock

0,835 €

0,791 €

0,674 €

0,634 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10kohm 5%

103CT-4
Semitec
1: 0,644 €
500In Stock

Mfr. Part No.
103CT-4

Mouser Part No
954-103CT-4

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 5%

Datasheet

500In Stock

0,644 €

0,638 €

0,611 €

0,574 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3%

103ET-1
Semitec
1: 0,905 €
130In Stock
200Expected 15/05/2026

Mfr. Part No.
103ET-1

Mouser Part No
954-103ET-1

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3%

Learn More

Datasheet

130In Stock

200Expected 15/05/2026

0,905 €

0,853 €

0,733 €

0,69 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3%

103ET-2
Semitec
1: 0,966 €
598In Stock

Mfr. Part No.
103ET-2

Mouser Part No
954-103ET-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3%

Learn More

Datasheet

598In Stock

0,966 €

0,744 €

0,642 €

0,619 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10kohm 2%

103ETB
Semitec
1: 0,684 €
Lead-Time 18 Weeks

Mfr. Part No.
103ETB

Mouser Part No
954-103ETB

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 2%

Learn More

Datasheet

Lead-Time 18 Weeks

0,684 €

0,642 €

0,601 €

0,572 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10kohm 1% Length 50mm

103JT-050
Semitec
1: 1,03 €
2 324In Stock
6 000Expected 06/03/2026

Mfr. Part No.
103JT-050

Mouser Part No
954-103JT-050

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 1% Length 50mm

Learn More

Datasheet

2 324In Stock

6 000Expected 06/03/2026

1,03 €

0,77 €

0,616 €

0,579 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K Ohms 1% 0603

103KT1608T-1P
Semitec
1: 0,262 €
14 983In Stock

Mfr. Part No.
103KT1608T-1P

Mouser Part No
954-103KT1608T-1P

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10K Ohms 1% 0603

Learn More

Datasheet

14 983In Stock

Cut Tape

0,262 €

0,231 €

0,204 €

0,164 €

Reel

0,117 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3% 0603

103KT1608T-3P
Semitec
1: 0,221 €
4 004In Stock

Mfr. Part No.
103KT1608T-3P

Mouser Part No
954-103KT1608T-3P

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3% 0603

Learn More

Datasheet

4 004In Stock

Cut Tape

0,221 €

0,207 €

0,151 €

0,143 €

Reel

0,111 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3%

103NT-4-R025H34G
Semitec
1: 0,654 €
1 336In Stock

Mfr. Part No.
103NT-4-R025H34G

Mouser Part No
954-103NT-4-R025H34G

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 3%

Datasheet

1 336In Stock

0,654 €

0,621 €

0,58 €

0,552 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10kohm %

103NT-4-R025H41G
Semitec
1: 0,654 €
950In Stock
1 000Expected 06/03/2026

Mfr. Part No.
103NT-4-R025H41G

Mouser Part No
954-103NT-4-R025H41G

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm %

Datasheet

950In Stock

1 000Expected 06/03/2026

0,654 €

0,621 €

0,592 €

0,576 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

104JT-050
Semitec
1: 0,594 €
924In Stock

Mfr. Part No.
104JT-050

Mouser Part No
954-104JT-050

Semitec

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

Datasheet

924In Stock

0,594 €

0,561 €

0,525 €

0,50 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 100kohm 1% 0603

104KT1608T-1P
Semitec
1: 0,262 €
3 201In Stock
8 000On Order

Mfr. Part No.
104KT1608T-1P

Mouser Part No
954-104KT1608T-1P

Semitec

NTC (Negative Temperature Coefficient) Thermistors 100kohm 1% 0603

Learn More

Datasheet

3 201In Stock

8 000On Order

Cut Tape

0,262 €

0,231 €

0,204 €

0,164 €

Reel

0,117 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4 000

NTC (Negative Temperature Coefficient) Thermistors 1000kohm 3%

105NT-4-R025H46G
Semitec
1: 0,714 €
415In Stock

Mfr. Part No.
105NT-4-R025H46G

Mouser Part No
954-105NT-4-R025H46G

Semitec

NTC (Negative Temperature Coefficient) Thermistors 1000kohm 3%

Datasheet

415In Stock

0,714 €

0,67 €

0,627 €

0,598 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10ohms 1amps Straight Lead

10D2-05LD
Semitec
1: 0,583 €
423In Stock

Mfr. Part No.
10D2-05LD

Mouser Part No
954-10D2-05LD

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10ohms 1amps Straight Lead

Datasheet

423In Stock

0,583 €

0,448 €

0,386 €

0,317 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10ohms 2amps Straight Lead

10D2-08LD
Semitec
1: 0,744 €
1 079In Stock

Mfr. Part No.
10D2-08LD

Mouser Part No
954-10D2-08LD

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10ohms 2amps Straight Lead

Datasheet

1 079In Stock

0,744 €

0,57 €

0,491 €

0,474 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10ohms 3amps Clinch lead

10D2-10LC
Semitec
1: 0,744 €
1 176In Stock

Mfr. Part No.
10D2-10LC

Mouser Part No
954-10D2-10LC

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10ohms 3amps Clinch lead

Datasheet

1 176In Stock

0,744 €

0,572 €

0,493 €

0,476 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10ohms 3.1amps Clinch lead

10D2-11LC
Semitec
1: 0,563 €
173In Stock

Mfr. Part No.
10D2-11LC

Mouser Part No
954-10D2-11LC

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10ohms 3.1amps Clinch lead

Datasheet

173In Stock

0,563 €

0,534 €

0,499 €

0,475 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10ohms 3.1amps Straight Lead

10D2-11LD
Semitec
1: 0,936 €
67In Stock
500Expected 03/04/2026

Mfr. Part No.
10D2-11LD

Mouser Part No
954-10D2-11LD

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10ohms 3.1amps Straight Lead

Datasheet

67In Stock

500Expected 03/04/2026

0,936 €

0,717 €

0,619 €

0,597 €

View

Min.: 1
Mult.: 1

Semitec Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support