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

Littelfuse Thermal Management

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

Types of Thermal Management

List Images

Results: 594

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 10K OHM 1% EPOXY COATED

AC103J2F
Littelfuse
1: $1.11
6In Stock

Mfr. Part No.
AC103J2F

Mouser Part No
803-AC103J2F

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% EPOXY COATED

Learn More

Datasheet

6In Stock

$1.11

$0.988

$0.895

$0.863

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

DC103G9G
Littelfuse
1: $0.74
1,377In Stock

Mfr. Part No.
DC103G9G

Mouser Part No
803-DC103G9G

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

Learn More

Datasheet

1,377In Stock

$0.74

$0.697

$0.652

$0.622

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

DC103J2K
Littelfuse
1: $0.86
450In Stock

Mfr. Part No.
DC103J2K

Mouser Part No
803-DC103J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

Learn More

Datasheet

450In Stock

$0.86

$0.809

$0.758

$0.716

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

DC303J2K
Littelfuse
1: $0.86
218In Stock

Mfr. Part No.
DC303J2K

Mouser Part No
803-DC303J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

Learn More

Datasheet

218In Stock

$0.86

$0.809

$0.758

$0.723

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% GLASS COATED

GP103G4F
Littelfuse
1: $5.02
339In Stock

Mfr. Part No.
GP103G4F

Mouser Part No
803-GP103G4F

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% GLASS COATED

Datasheet

339In Stock

$5.02

$4.51

$4.32

$4.09

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% GLASS COATED

GP103J4F
Littelfuse
1: $5.03
210In Stock

Mfr. Part No.
GP103J4F

Mouser Part No
803-GP103J4F

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% GLASS COATED

Datasheet

210In Stock

$5.03

$4.51

$4.32

$4.09

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM .2% DEG C INTRCHGBL

KT103J2
Littelfuse
1: $2.29
783In Stock

Mfr. Part No.
KT103J2

Mouser Part No
803-KT103J2

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM .2% DEG C INTRCHGBL

Datasheet

783In Stock

$2.29

$2.19

$2.06

$1.98

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 1.0C BEAD

KX103J2
Littelfuse
1: $1.73
290In Stock

Mfr. Part No.
KX103J2

Mouser Part No
803-KX103J2

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 1.0C BEAD

Learn More

Datasheet

290In Stock

$1.73

$1.65

$1.55

$1.48

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

LC103J2G
Littelfuse
1: $1.42
214In Stock

Mfr. Part No.
LC103J2G

Mouser Part No
803-LC103J2G

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

Learn More

Datasheet

214In Stock

$1.42

$1.35

$1.27

$1.22

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC 20K OHM +/-1%

MM203J1F
Littelfuse
1: $1.11
255In Stock

Mfr. Part No.
MM203J1F

Mouser Part No
803-MM203J1F

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC 20K OHM +/-1%

Learn More

Datasheet

255In Stock

$1.11

$1.05

$0.985

$0.941

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 100K OHM 10% DEG C INTRCHGBL

PS104J2
Littelfuse
1: $2.14
865In Stock

Mfr. Part No.
PS104J2

Mouser Part No
803-PS104J2

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 100K OHM 10% DEG C INTRCHGBL

Learn More

Datasheet

865In Stock

$2.14

$2.05

$1.93

$1.85

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 30K OHM .1% DEG C INTRCHGBL

PS303J2
Littelfuse
1: $2.14
1In Stock
2,250Expected 14/04/2026

Mfr. Part No.
PS303J2

Mouser Part No
803-PS303J2

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 30K OHM .1% DEG C INTRCHGBL

Learn More

Datasheet

1In Stock

2,250Expected 14/04/2026

$2.14

$2.05

$1.93

$1.85

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 5K OHM .1% DEG C INTRCHGBL

PS502J2
Littelfuse
1: $2.14
182In Stock

Mfr. Part No.
PS502J2

Mouser Part No
803-PS502J2

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 5K OHM .1% DEG C INTRCHGBL

Learn More

Datasheet

182In Stock

$2.14

$2.05

$1.93

$1.85

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

PT303J2
Littelfuse
1: $1.91
437In Stock

Mfr. Part No.
PT303J2

Mouser Part No
803-PT303J2

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

Learn More

Datasheet

437In Stock

$1.91

$1.82

$1.60

$1.49

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 1.0C BEAD

PX203J2
Littelfuse
1: $1.24
137In Stock

Mfr. Part No.
PX203J2

Mouser Part No
803-PX203J2

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 1.0C BEAD

Learn More

Datasheet

137In Stock

$1.24

$1.18

$1.11

$1.06

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM +/-10%

SM103J1K
Littelfuse
1: $1.29
557In Stock

Mfr. Part No.
SM103J1K

Mouser Part No
803-SM103J1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM +/-10%

Learn More

Datasheet

557In Stock

$1.29

$1.23

$1.15

$1.10

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC 10K OHM +/-10%

SM103J1K-TR
Littelfuse
1: $0.49
3,610In Stock

Mfr. Part No.
SM103J1K-TR

Mouser Part No
803-SM103J1K-TR

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC 10K OHM +/-10%

Learn More

Datasheet

3,610In Stock

Cut Tape

$0.49

$0.463

$0.432

$0.411

View

Reel

$0.304

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENSOR

SM502F1K
Littelfuse
1: $1.31
258In Stock

Mfr. Part No.
SM502F1K

Mouser Part No
803-SM502F1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENSOR

Learn More

Datasheet

258In Stock

$1.31

$1.25

$1.17

$1.16

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY

USP10982
Littelfuse
1: $2.19
909In Stock

Mfr. Part No.
USP10982

Mouser Part No
803-USP10982

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY

Learn More

Datasheet

909In Stock

$2.19

$2.09

$1.97

$1.89

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

USP16673
Littelfuse
1: $1.59
76In Stock
250Expected 07/05/2026

Mfr. Part No.
USP16673

Mouser Part No
803-USP16673

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

Learn More

Datasheet

76In Stock

250Expected 07/05/2026

$1.59

$1.52

$1.43

$1.37

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% DO-35

USUG1000-103G
Littelfuse
1: $1.11
957In Stock

Mfr. Part No.
USUG1000-103G

Mouser Part No
803-USUG1000-103G

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% DO-35

Learn More

Datasheet

957In Stock

$1.11

$1.05

$0.985

$0.941

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 10% GLASS BEAD

GL104R5J
Littelfuse
1: $1.05
127In Stock

Mfr. Part No.
GL104R5J

Mouser Part No
576-GL104R5J

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 10% GLASS BEAD

Learn More

Datasheet

127In Stock

$1.05

$0.992

$0.927

$0.883

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100 O HM 10% EPOXY BEAD

KC101B2K
Littelfuse
1: $1.98
322In Stock

Mfr. Part No.
KC101B2K

Mouser Part No
576-KC101B2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100 O HM 10% EPOXY BEAD

Learn More

Datasheet

322In Stock

$1.98

$1.89

$1.78

$1.70

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K O HM 10% EPOXY BEAD

KC103J2K
Littelfuse
1: $1.98
542In Stock

Mfr. Part No.
KC103J2K

Mouser Part No
576-KC103J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K O HM 10% EPOXY BEAD

Learn More

Datasheet

542In Stock

$1.98

$1.89

$1.76

$1.66

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 10% EPOXY BEAD

KC203J2K
Littelfuse
1: $1.82
213In Stock

Mfr. Part No.
KC203J2K

Mouser Part No
576-KC203J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 10% EPOXY BEAD

Learn More

Datasheet

213In Stock

$1.82

$1.73

$1.62

$1.53

View

Min.: 1
Mult.: 1

Littelfuse Thermal Management

Types of Thermal Management

Customer Service Office

Company

Resources

Support