.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: 338

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 1% Shape 1 30 AWG 175mm

103AT-4-70316
Semitec
1: $0.89
8,201In Stock
8,200Expected 2026/11/13

Mfr. Part No.
103AT-4-70316

Mouser Part No
954-103AT-4-70316

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 1% Shape 1 30 AWG 175mm

Learn More

Datasheet

8,201In Stock

8,200Expected 2026/11/13

$0.89

$0.842

$0.789

$0.751

View

Min.: 1
Mult.: 1

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

103FT1005A5P1-T
Semitec
1: $6.59
1,850In Stock

Mfr. Part No.
103FT1005A5P1-T

Mouser Part No
954-103FT1005A5P1

Semitec

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

Learn More

Datasheet

1,850In Stock

Cut Tape

$6.59

$5.86

$5.28

$4.91

View

Reel

$3.97

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

NTC (Negative Temperature Coefficient) Thermistors Temp Sensor 10kOhm 3370k 1%

EF2G103FT-21E059
Semitec
1: $21.26
175In Stock

Mfr. Part No.
EF2G103FT-21E059

Mouser Part No
954-EF2G103FT-21E059

Semitec

NTC (Negative Temperature Coefficient) Thermistors Temp Sensor 10kOhm 3370k 1%

Datasheet

175In Stock

$21.26

$18.78

$16.83

$15.94

View

Min.: 1
Mult.: 1

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

5D2-07LCS
Semitec
1: $0.55
202In Stock

Mfr. Part No.
5D2-07LCS

Mouser Part No
954-5D2-07LCS

Semitec

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

Datasheet

202In Stock

$0.55

$0.423

$0.365

$0.30

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 1.5ohms 8amps Straight Lead

1.5D2-15LD
Semitec
1: $1.71
181In Stock

Mfr. Part No.
1.5D2-15LD

Mouser Part No
954-1.5D2-15LD

Semitec

NTC (Negative Temperature Coefficient) Thermistors 1.5ohms 8amps Straight Lead

Datasheet

181In Stock

$1.71

$1.28

$1.03

$0.966

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10kohm 0.5%

103AP-2-A
Semitec
1: $0.691
187In Stock
600Expected 2026/09/14

Mfr. Part No.
103AP-2-A

Mouser Part No
954-103AP-2-A

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10kohm 0.5%

Learn More

Datasheet

187In Stock

600Expected 2026/09/14

$0.691

$0.65

$0.608

$0.578

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 15ohms 4amps Clinch lead

15D2-15LC
Semitec
1: $1.71
107In Stock

Mfr. Part No.
15D2-15LC

Mouser Part No
954-15D2-15LC

Semitec

NTC (Negative Temperature Coefficient) Thermistors 15ohms 4amps Clinch lead

Datasheet

107In Stock

$1.71

$1.28

$1.03

$0.966

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 1ohms 8amps Straight Lead

1D2-15LD
Semitec
1: $1.33
306In Stock

Mfr. Part No.
1D2-15LD

Mouser Part No
954-1D2-15LD

Semitec

NTC (Negative Temperature Coefficient) Thermistors 1ohms 8amps Straight Lead

Datasheet

306In Stock

$1.33

$0.99

$0.804

$0.682

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 20kohm 0.5%

203AP-2
Semitec
1: $1.01
138In Stock

Mfr. Part No.
203AP-2

Mouser Part No
954-203AP-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 20kohm 0.5%

Learn More

Datasheet

138In Stock

$1.01

$0.766

$0.659

$0.637

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 232kohm 3%

234ET-2
Semitec
1: $0.878
9In Stock

Mfr. Part No.
234ET-2

Mouser Part No
954-234ET-2

Semitec

NTC (Negative Temperature Coefficient) Thermistors 232kohm 3%

Learn More

Datasheet

9In Stock

$0.878

$0.666

$0.575

$0.555

View

Min.: 1
Mult.: 1

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

2D2-15LC
Semitec
1: $1.41
83In Stock

Mfr. Part No.
2D2-15LC

Mouser Part No
954-2D2-15LC

Semitec

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

Datasheet

83In Stock

$1.41

$1.06

$0.848

$0.798

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 4ohms 8amps Clinch lead

4D2-22LC
Semitec
1: $2.85
5In Stock

Mfr. Part No.
4D2-22LC

Mouser Part No
954-4D2-22LC

Semitec

NTC (Negative Temperature Coefficient) Thermistors 4ohms 8amps Clinch lead

Datasheet

5In Stock

$2.85

$2.21

$1.95

$1.65

View

Min.: 1
Mult.: 1

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

5D2-07LD
Semitec
1: $0.515
205In Stock

Mfr. Part No.
5D2-07LD

Mouser Part No
954-5D2-07LD

Semitec

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

Datasheet

205In Stock

$0.515

$0.388

$0.335

$0.273

View

Min.: 1
Mult.: 1

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

5D2-10LCS
Semitec
1: $0.865
500In Stock

Mfr. Part No.
5D2-10LCS

Mouser Part No
954-5D2-10LCS

Semitec

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

Datasheet

500In Stock

$0.865

$0.665

$0.573

$0.554

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5ohms 8amps Clinch Short Lead

5D2-18LCS
Semitec
1: $2.31
42In Stock

Mfr. Part No.
5D2-18LCS

Mouser Part No
954-5D2-18LCS

Semitec

NTC (Negative Temperature Coefficient) Thermistors 5ohms 8amps Clinch Short Lead

Datasheet

42In Stock

$2.31

$1.74

$1.48

$1.24

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 9.1kohm 5%

912CT-4
Semitec
1: $1.23
459In Stock

Mfr. Part No.
912CT-4

Mouser Part No
954-912CT-4

Semitec

NTC (Negative Temperature Coefficient) Thermistors 9.1kohm 5%

Datasheet

459In Stock

$1.23

$0.919

$0.736

$0.692

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 100kohm 3%

104ET-1
Semitec
1: $1.42
170In Stock

Mfr. Part No.
104ET-1

Mouser Part No
954-104ET-1

Semitec

NTC (Negative Temperature Coefficient) Thermistors 100kohm 3%

Learn More

Datasheet

170In Stock

$1.42

$1.07

$0.852

$0.802

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10ohms 2.2amps Straight Lead

10D2-14LD
Semitec
1: $1.10
273In Stock

Mfr. Part No.
10D2-14LD

Mouser Part No
954-10D2-14LD

Semitec

NTC (Negative Temperature Coefficient) Thermistors 10ohms 2.2amps Straight Lead

Datasheet

273In Stock

$1.10

$0.836

$0.721

$0.697

View

Min.: 1
Mult.: 1

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

10D2-18LCS
Semitec
1: $2.63
188In Stock

Mfr. Part No.
10D2-18LCS

Mouser Part No
954-10D2-18LCS

Semitec

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

Datasheet

188In Stock

$2.63

$2.04

$1.80

$1.52

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 16ohms 2.5amps Straight Lead

16D2-11LD
Semitec
1: $1.01
83In Stock

Mfr. Part No.
16D2-11LD

Mouser Part No
954-16D2-11LD

Semitec

NTC (Negative Temperature Coefficient) Thermistors 16ohms 2.5amps Straight Lead

Datasheet

83In Stock

$1.01

$0.771

$0.663

$0.64

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 16ohms 3amps Straight Lead

16D2-13LD
Semitec
1: $1.05
292In Stock

Mfr. Part No.
16D2-13LD

Mouser Part No
954-16D2-13LD

Semitec

NTC (Negative Temperature Coefficient) Thermistors 16ohms 3amps Straight Lead

Datasheet

292In Stock

$1.05

$0.805

$0.694

$0.669

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 2.5kohm 5%

252CT-4
Semitec
1: $1.40
360In Stock

Mfr. Part No.
252CT-4

Mouser Part No
954-252CT-4

Semitec

NTC (Negative Temperature Coefficient) Thermistors 2.5kohm 5%

Datasheet

360In Stock

$1.40

$1.05

$0.836

$0.786

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 3.3kohm 3%

493NT-4-R100H40G
Semitec
1: $0.795
393In Stock

Mfr. Part No.
493NT-4-R100H40G

Mouser Part No
954-493NT-4-R100H40G

Semitec

NTC (Negative Temperature Coefficient) Thermistors 3.3kohm 3%

Datasheet

393In Stock

$0.795

$0.752

$0.705

$0.671

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5.1kohm 5%

512CT-4
Semitec
1: $0.925
259In Stock

Mfr. Part No.
512CT-4

Mouser Part No
954-512CT-4

Semitec

NTC (Negative Temperature Coefficient) Thermistors 5.1kohm 5%

Datasheet

259In Stock

$0.925

$0.701

$0.604

$0.583

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 8ohms 5amps Clinch lead

8D2-15LC
Semitec
1: $1.58
221In Stock

Mfr. Part No.
8D2-15LC

Mouser Part No
954-8D2-15LC

Semitec

NTC (Negative Temperature Coefficient) Thermistors 8ohms 5amps Clinch lead

Datasheet

221In Stock

$1.58

$1.19

$0.949

$0.892

View

Min.: 1
Mult.: 1

Semitec Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support