.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 10kohm 5% 0402

103FT1005A5P1
Semitec
1: Rp103.471
1.664On Order

Mfr. Part No.
103FT1005A5P1

Mouser Part No
954-103FT1005A5P1

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 5% 0402

Learn More

Datasheet

1.664On Order

Cut Tape

Rp103.471

Rp91.913

Rp82.740

Rp76.870

View

Reel

Rp62.193

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1.000

NTC (Negative Temperature Coefficient) Thermistors 50kohm 3%

503NT-4-R025H42G
Semitec
1: Rp23.116
3.700On Order

Mfr. Part No.
503NT-4-R025H42G

Mouser Part No
954-503NT-4-R025H42G

Semitec

NTC (Negative Temperature Coefficient) Thermistors 50kohm 3%

Datasheet

3.700On Order

Rp23.116

Rp17.465

Rp13.980

Rp13.136

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 47V 250W

ZS1047U-T
Semitec
1: Rp24.951
3.110On Order

Mfr. Part No.
ZS1047U-T

Mouser Part No
954-ZS1047U-T

Semitec

ESD Protection Diodes / TVS Diodes 47V 250W

Datasheet

3.110On Order

Cut Tape

Rp24.951

Rp18.713

Rp13.338

Rp9.962

Reel

Rp8.696

Rp7.742

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1.500

NTC (Negative Temperature Coefficient) Thermistors 10kohm 0.5%

103AP-2
Semitec
1: Rp10.824
3.687Expected 03/04/2026

Mfr. Part No.
103AP-2

Mouser Part No
954-103AP-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 0.5%

Learn More

Datasheet

3.687Expected 03/04/2026

Rp10.824

Rp10.200

Rp9.540

Rp9.063

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 104kohm 3% 0603

104KT1608T-3P
Semitec
1: Rp3.486
468Expected 05/06/2026

Mfr. Part No.
104KT1608T-3P

Mouser Part No
954-104KT1608T-3P

Semitec

NTC (Negative Temperature Coefficient) Thermistors 104kohm 3% 0603

Learn More

Datasheet

468Expected 05/06/2026

Cut Tape

Rp3.486

Rp3.211

Rp2.825

Rp2.679

Reel

Rp2.018

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

NTC (Negative Temperature Coefficient) Thermistors 10ohms 2amps Clinch lead

10D2-08LC
Semitec
1: Rp13.576
1.587Expected 03/04/2026

Mfr. Part No.
10D2-08LC

Mouser Part No
954-10D2-08LC

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10ohms 2amps Clinch lead

Datasheet

1.587Expected 03/04/2026

Rp13.576

Rp10.402

Rp8.953

Rp8.641

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10ohms 6amps Clinch Short Lead

10D2-18LCS
Semitec
1: Rp41.279
350Expected 03/04/2026

Mfr. Part No.
10D2-18LCS

Mouser Part No
954-10D2-18LCS

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10ohms 6amps Clinch Short Lead

Datasheet

350Expected 03/04/2026

Rp41.279

Rp31.922

Rp28.253

Rp23.850

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10ohms 6amps Straight Lead

10D2-18LD
Semitec
1: Rp26.418
349Expected 06/03/2026

Mfr. Part No.
10D2-18LD

Mouser Part No
954-10D2-18LD

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10ohms 6amps Straight Lead

Datasheet

349Expected 06/03/2026

Rp26.418

Rp25.134

Rp23.666

Rp22.382

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 12ohms 5amps Clinch Short Lead

12D2-15LCS
Semitec
1: Rp26.785
197Expected 06/03/2026

Mfr. Part No.
12D2-15LCS

Mouser Part No
954-12D2-15LCS

Semitec

NTC (Negative Temperature Coefficient) Thermistors 12ohms 5amps Clinch Short Lead

Datasheet

197Expected 06/03/2026

Rp26.785

Rp19.997

Rp16.126

Rp15.154

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 16ohms 2amps Clinch Short Lead

16D2-07LCS
Semitec
1: Rp10.274
90On Order

Mfr. Part No.
16D2-07LCS

Mouser Part No
954-16D2-07LCS

Semitec

NTC (Negative Temperature Coefficient) Thermistors 16ohms 2amps Clinch Short Lead

Datasheet

90On Order

Rp10.274

Rp7.889

Rp6.788

Rp5.577

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 200kohm 0.5%

204AP-2
Semitec
1: Rp10.824
198Expected 15/05/2026

Mfr. Part No.
204AP-2

Mouser Part No
954-204AP-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 200kohm 0.5%

Learn More

Datasheet

198Expected 15/05/2026

Rp10.824

Rp10.200

Rp9.540

Rp9.063

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 2ohms 8amps Clinch lead

2D2-15LC
Semitec
1: Rp22.015
98Expected 03/04/2026

Mfr. Part No.
2D2-15LC

Mouser Part No
954-2D2-15LC

Semitec

NTC (Negative Temperature Coefficient) Thermistors 2ohms 8amps Clinch lead

Datasheet

98Expected 03/04/2026

Rp22.015

Rp16.621

Rp13.301

Rp12.512

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 30kohm 3%

303ET-2
Semitec
1: Rp15.044
198Expected 02/06/2026

Mfr. Part No.
303ET-2

Mouser Part No
954-303ET-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 30kohm 3%

Learn More

Datasheet

198Expected 02/06/2026

Rp15.044

Rp11.466

Rp9.870

Rp9.522

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 3.3kohm 3%

493NT-4-R100H40G
Semitec
1: Rp12.475
498Expected 13/05/2026

Mfr. Part No.
493NT-4-R100H40G

Mouser Part No
954-493NT-4-R100H40G

Semitec

NTC (Negative Temperature Coefficient) Thermistors 3.3kohm 3%

Datasheet

498Expected 13/05/2026

Rp12.475

Rp11.796

Rp11.044

Rp10.531

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5kohm 1%

502AT-2
Semitec
1: Rp10.641
2.049On Order

Mfr. Part No.
502AT-2

Mouser Part No
954-502AT-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 5kohm 1%

Learn More

Datasheet

2.049On Order

Rp10.641

Rp9.999

Rp9.338

Rp8.898

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 50kohm 3%

503ET-2
Semitec
1: Rp17.796
150Expected 03/04/2026

Mfr. Part No.
503ET-2

Mouser Part No
954-503ET-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 50kohm 3%

Learn More

Datasheet

150Expected 03/04/2026

Rp17.796

Rp13.594

Rp11.723

Rp11.301

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 50kohm 1% 0603

503KT1608T-1P
Semitec
1: Rp3.486
7.933Expected 15/05/2026

Mfr. Part No.
503KT1608T-1P

Mouser Part No
954-503KT1608T-1P

Semitec

NTC (Negative Temperature Coefficient) Thermistors 50kohm 1% 0603

Learn More

Datasheet

7.933Expected 15/05/2026

Cut Tape

Rp3.486

Rp3.284

Rp2.880

Rp2.734

Reel

Rp2.128

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4.000

NTC (Negative Temperature Coefficient) Thermistors 500kohm 3%

504NT-4-R025H45G
Semitec
1: Rp96.867
433Expected 15/05/2026

Mfr. Part No.
504NT-4-R025H45G

Mouser Part No
954-504NT-4-R025H45G

Semitec

NTC (Negative Temperature Coefficient) Thermistors 500kohm 3%

Datasheet

433Expected 15/05/2026

Rp96.867

Rp66.596

Rp62.009

Rp11.136

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5ohms 3amps Clinch Short Lead

5D2-07LCS
Semitec
1: Rp8.623
294Expected 02/04/2026

Mfr. Part No.
5D2-07LCS

Mouser Part No
954-5D2-07LCS

Semitec

NTC (Negative Temperature Coefficient) Thermistors 5ohms 3amps Clinch Short Lead

Datasheet

294Expected 02/04/2026

Rp8.623

Rp6.641

Rp5.724

Rp4.697

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5ohms 4amps Clinch Short Lead

5D2-10LCS
Semitec
1: Rp13.576
600Expected 03/04/2026

Mfr. Part No.
5D2-10LCS

Mouser Part No
954-5D2-10LCS

Semitec

NTC (Negative Temperature Coefficient) Thermistors 5ohms 4amps Clinch Short Lead

Datasheet

600Expected 03/04/2026

Rp13.576

Rp10.439

Rp8.990

Rp8.678

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 8ohms 6amps Clinch lead

8D2-18LC
Semitec
1: Rp41.095
104Expected 08/06/2026

Mfr. Part No.
8D2-18LC

Mouser Part No
954-8D2-18LC

Semitec

NTC (Negative Temperature Coefficient) Thermistors 8ohms 6amps Clinch lead

Datasheet

104Expected 08/06/2026

Rp41.095

Rp31.739

Rp26.418

Rp25.868

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors AT-4 Shape 2 26AWG 75mm

ED2F103A2-61044
Semitec
1: Rp13.026
252Expected 25/05/2026

Mfr. Part No.
ED2F103A2-61044

Mouser Part No
954-ED2F103A2-61044

Semitec

NTC (Negative Temperature Coefficient) Thermistors AT-4 Shape 2 26AWG 75mm

Datasheet

252Expected 25/05/2026

Rp13.026

Rp12.237

Rp11.448

Rp10.916

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors AT-4 Shape 2 26AWG 200mm

ED2F103A2-71044
Semitec
1: Rp25.684
1.600Expected 16/03/2026

Mfr. Part No.
ED2F103A2-71044

Mouser Part No
954-ED2F103A2-71044

Semitec

NTC (Negative Temperature Coefficient) Thermistors AT-4 Shape 2 26AWG 200mm

Datasheet

1.600Expected 16/03/2026

Rp25.684

Rp19.263

Rp15.429

Rp14.512

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors AT-4 Shape 2 26AWG 105mm

ED2F103A2-91007
Semitec
1: Rp21.098
2.270On Order

Mfr. Part No.
ED2F103A2-91007

Mouser Part No
954-ED2F103A2-91007

Semitec

NTC (Negative Temperature Coefficient) Thermistors AT-4 Shape 2 26AWG 105mm

Datasheet

2.270On Order

Rp21.098

Rp15.851

Rp12.695

Rp11.925

View

Min.: 1
Mult.: 1

Varistors 220V 2500A 12.5mm

Z10D221
Semitec
1: Rp25.868
3.800Expected 06/03/2026

Mfr. Part No.
Z10D221

Mouser Part No
954-Z10D221

Semitec

Varistors 220V 2500A 12.5mm

Datasheet

3.800Expected 06/03/2026

Rp25.868

Rp15.814

Rp10.347

Rp9.613

View

Min.: 1
Mult.: 1

Semitec Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support