.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 THERMISTOR, U.S. SENS

DC103G9G
Littelfuse
1: Rp13.576
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

Rp13.576

Rp12.787

Rp11.962

Rp11.411

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

DC103J2K
Littelfuse
1: Rp15.778
450In Stock

Mfr. Part No.
DC103J2K

Mouser Part No
803-DC103J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

Learn More

Datasheet

450In Stock

Rp15.778

Rp14.842

Rp13.906

Rp13.136

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

DC303J2K
Littelfuse
1: Rp15.778
218In Stock

Mfr. Part No.
DC303J2K

Mouser Part No
803-DC303J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

Learn More

Datasheet

218In Stock

Rp15.778

Rp14.842

Rp13.906

Rp13.264

View

Min.: 1
Mult.: 1

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

GP103G4F
Littelfuse
1: Rp92.097
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

Rp92.097

Rp82.740

Rp79.255

Rp75.035

View

Min.: 1
Mult.: 1

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

GP103J4F
Littelfuse
1: Rp92.280
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

Rp92.280

Rp82.740

Rp79.255

Rp75.035

View

Min.: 1
Mult.: 1

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

KT103J2
Littelfuse
1: Rp42.012
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

Rp42.012

Rp40.178

Rp37.793

Rp36.325

View

Min.: 1
Mult.: 1

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

LC103J2G
Littelfuse
1: Rp26.051
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

Rp26.051

Rp24.767

Rp23.299

Rp22.382

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC 100K OHM +/-1%

MM104J1F
Littelfuse
1: Rp20.364
1.000In Stock

Mfr. Part No.
MM104J1F

Mouser Part No
803-MM104J1F

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC 100K OHM +/-1%

Learn More

Datasheet

1.000In Stock

Rp20.364

Rp19.814

Rp19.263

Rp18.181

View

Min.: 1
Mult.: 1

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

MM203J1F
Littelfuse
1: Rp20.364
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

Rp20.364

Rp19.263

Rp18.071

Rp17.264

View

Min.: 1
Mult.: 1

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

PS104J2
Littelfuse
1: Rp39.260
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

Rp39.260

Rp37.609

Rp35.408

Rp33.940

View

Min.: 1
Mult.: 1

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

PS303J2
Littelfuse
1: Rp39.260
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

Rp39.260

Rp37.609

Rp35.408

Rp33.940

View

Min.: 1
Mult.: 1

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

PS502J2
Littelfuse
1: Rp39.260
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

Rp39.260

Rp37.609

Rp35.408

Rp33.940

View

Min.: 1
Mult.: 1

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

PT303J2
Littelfuse
1: Rp35.041
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

Rp35.041

Rp33.390

Rp29.354

Rp27.336

View

Min.: 1
Mult.: 1

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

PX203J2
Littelfuse
1: Rp22.749
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

Rp22.749

Rp21.648

Rp20.364

Rp19.447

View

Min.: 1
Mult.: 1

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

SM103J1K
Littelfuse
1: Rp23.666
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

Rp23.666

Rp22.566

Rp21.098

Rp20.181

View

Min.: 1
Mult.: 1

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

SM103J1K-TR
Littelfuse
1: Rp8.990
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

Rp8.990

Rp8.494

Rp7.925

Rp7.540

View

Reel

Rp5.577

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2.500

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

SM502F1K
Littelfuse
1: Rp24.033
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

Rp24.033

Rp22.933

Rp21.465

Rp21.281

View

Min.: 1
Mult.: 1

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

USP10982
Littelfuse
1: Rp40.178
907In Stock

Mfr. Part No.
USP10982

Mouser Part No
803-USP10982

Littelfuse

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

Learn More

Datasheet

907In Stock

Rp40.178

Rp38.343

Rp36.142

Rp34.674

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

USP16673
Littelfuse
1: Rp29.170
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

Rp29.170

Rp27.886

Rp26.235

Rp25.134

View

Min.: 1
Mult.: 1

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

USUG1000-103G
Littelfuse
1: Rp20.364
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

Rp20.364

Rp19.263

Rp18.071

Rp17.264

View

Min.: 1
Mult.: 1

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

GL104R5J
Littelfuse
1: Rp19.263
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

Rp19.263

Rp18.199

Rp17.007

Rp16.200

View

Min.: 1
Mult.: 1

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

KC101B2K
Littelfuse
1: Rp36.325
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

Rp36.325

Rp34.674

Rp32.656

Rp31.188

View

Min.: 1
Mult.: 1

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

KC103J2K
Littelfuse
1: Rp43.480
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

Rp43.480

Rp38.160

Rp33.940

Rp32.289

View

Min.: 1
Mult.: 1

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

KC203J2K
Littelfuse
1: Rp33.390
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

Rp33.390

Rp31.739

Rp29.721

Rp28.069

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2.252M OHM EPOXY BEAD

KC222J2K
Littelfuse
1: Rp36.325
157In Stock

Mfr. Part No.
KC222J2K

Mouser Part No
576-KC222J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2.252M OHM EPOXY BEAD

Learn More

Datasheet

157In Stock

Rp36.325

Rp34.674

Rp32.289

Rp30.454

View

Min.: 1
Mult.: 1

Littelfuse Thermal Management

Types of Thermal Management

Customer Service Office

Company

Resources

Support