.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: 425

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; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
NTC Thermistors NTC THERMISTOR 10K OHM 0.5C BEAD KW103J2 Littelfuse 1: ¥348.8 494In Stock	Mfr. Part # KW103J2 Mouser Part # 803-KW103J2	Littelfuse	NTC Thermistors NTC THERMISTOR 10K OHM 0.5C BEAD Learn More about Littelfuse industrial portfolio	Datasheet	494In Stock	¥348.8 ¥332.2 ¥313.9 ¥300.6 View ¥272.4 ¥259.1 ¥255.8 ¥237.5	Min.: 1 Mult.: 1
NTC Thermistors 100K OHM 10% DEG C INTRCHGBL PS104J2 Littelfuse 1: ¥392 494In Stock 1,500On Order	Mfr. Part # PS104J2 Mouser Part # 803-PS104J2	Littelfuse	NTC Thermistors 100K OHM 10% DEG C INTRCHGBL Learn More about Littelfuse industrial portfolio	Datasheet	494In Stock 1,500On Order On Order Ship Dates Mfr. #: PS104J2 Stock: 494 Can Ship Immediately On Order: 500 Expected 12/1/2026 1,000 Expected 12/14/2026 Factory Lead-Time: 23 Weeks	¥392 ¥373.7 ¥337.2 ¥323.9 View ¥318.9 ¥300.6 ¥280.7 ¥267.4 ¥257.5	Min.: 1 Mult.: 1
NTC Thermistors NTC THERMISTOR 20K OHM 0.1C BEAD PS203J2 Littelfuse 1: ¥370.4 284In Stock	Mfr. Part # PS203J2 Mouser Part # 803-PS203J2	Littelfuse	NTC Thermistors NTC THERMISTOR 20K OHM 0.1C BEAD Learn More about Littelfuse industrial portfolio	Datasheet	284In Stock	¥370.4 ¥353.8 ¥333.9 ¥318.9 View ¥315.6 ¥290.7 ¥277.4 ¥269.1 ¥250.8	Min.: 1 Mult.: 1
NTC Thermistors 5K OHM .1% DEG C INTRCHGBL PS502J2 Littelfuse 1: ¥392 140In Stock	Mfr. Part # PS502J2 Mouser Part # 803-PS502J2	Littelfuse	NTC Thermistors 5K OHM .1% DEG C INTRCHGBL Learn More about Littelfuse industrial portfolio	Datasheet	140In Stock	¥392 ¥358.8 ¥332.2 ¥318.9 View ¥312.3 ¥299 ¥275.7 ¥265.8 ¥254.1	Min.: 1 Mult.: 1
NTC Thermistors 50K OHM .1% DEG C INTRCHGBL PS503J2 Littelfuse 1: ¥392 15In Stock 250Expected 12/30/2026	Mfr. Part # PS503J2 Mouser Part # 803-PS503J2	Littelfuse	NTC Thermistors 50K OHM .1% DEG C INTRCHGBL Learn More about Littelfuse industrial portfolio	Datasheet	15In Stock 250Expected 12/30/2026	¥392 ¥373.7 ¥343.8 ¥328.9 View ¥323.9 ¥307.3 ¥279 ¥275.7 ¥265.8	Min.: 1 Mult.: 1
NTC Thermistors 2.2K OHM .2% DEG C INTRCHGBL PT222J2 Littelfuse 1: ¥292.3 718In Stock	Mfr. Part # PT222J2 Mouser Part # 803-PT222J2	Littelfuse	NTC Thermistors 2.2K OHM .2% DEG C INTRCHGBL Learn More about Littelfuse leaded thermistors	Datasheet	718In Stock	¥292.3 ¥277.4 ¥259.1 ¥247.5 View ¥235.9 ¥232.5 ¥199.3 ¥186	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, U.S. SENS PT303J2 Littelfuse 1: ¥292.3 753In Stock	Mfr. Part # PT303J2 Mouser Part # 803-PT303J2	Littelfuse	NTC Thermistors THERMISTOR, U.S. SENS Learn More about Littelfuse leaded thermistors	Datasheet	753In Stock	¥292.3 ¥277.4 ¥259.1 ¥244.2 View ¥234.2 ¥214.3 ¥191	Min.: 1 Mult.: 1
NTC Thermistors 5K OHM .2% DEG C INTRCHGBL PT502J2 Littelfuse 1: ¥275.7 1,133In Stock	Mfr. Part # PT502J2 Mouser Part # 803-PT502J2	Littelfuse	NTC Thermistors 5K OHM .2% DEG C INTRCHGBL Learn More about Littelfuse leaded thermistors	Datasheet	1,133In Stock	¥275.7 ¥262.4 ¥247.5 ¥235.9 View ¥225.9 ¥210.9 ¥204.3 ¥182.7	Min.: 1 Mult.: 1
NTC Thermistors NTC THERMISTOR 10K OHM 1.0C BEAD PX103J2 Littelfuse 1: ¥214.3 223In Stock	Mfr. Part # PX103J2 Mouser Part # 803-PX103J2	Littelfuse	NTC Thermistors NTC THERMISTOR 10K OHM 1.0C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	223In Stock	¥214.3 ¥204.3 ¥192.7 ¥182.7 View ¥165.6 ¥158.1 ¥153 ¥141.7	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSOR TO502J2J Littelfuse 1: ¥312.3 538In Stock	Mfr. Part # TO502J2J Mouser Part # 803-TO502J2J	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	538In Stock	¥312.3 ¥297.3 ¥280.7 ¥272.4 View ¥269.1 ¥245.8 ¥225.9 ¥209.3	Min.: 1 Mult.: 1
NTC Thermistors NTC Thermistor Probe USP10979 Littelfuse 1: ¥1,979.9 153In Stock	Mfr. Part # USP10979 Mouser Part # 803-USP10979	Littelfuse	NTC Thermistors NTC Thermistor Probe Learn More about Littelfuse thermistor probes assemblies	Datasheet	153In Stock	¥1,979.9 ¥1,797.2 ¥1,692.6 ¥1,646.1 View ¥1,587.9 ¥1,569.6 ¥1,508.2 ¥1,428.5 ¥1,393.6	Min.: 1 Mult.: 1
NTC Thermistors 10K OHM 5% PROBE ASSEMBLY USP10997 Littelfuse 1: ¥2,589.5 25In Stock	Mfr. Part # USP10997 Mouser Part # 803-USP10997	Littelfuse	NTC Thermistors 10K OHM 5% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	25In Stock	¥2,589.5 ¥2,287.2 ¥2,049.7 ¥1,941.7 View ¥1,797.2 ¥1,672.6 ¥1,564.7 ¥1,465	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, U.S. SENS USP11491 Littelfuse 1: ¥2,785.5 36In Stock 50Expected 4/29/2027	Mfr. Part # USP11491 Mouser Part # 803-USP11491	Littelfuse	NTC Thermistors THERMISTOR, U.S. SENS Learn More about Littelfuse thermistor probes assemblies	Datasheet	36In Stock 50Expected 4/29/2027	¥2,785.5 ¥2,534.7 ¥2,441.7 ¥2,330.4 View ¥2,244 ¥2,126.1 ¥1,931.7	Min.: 1 Mult.: 1
NTC Thermistors NTC THERMISTOR 10K OHM 1.0C BEAD KX103J2 Littelfuse 1: ¥315.6 160In Stock	Mfr. Part # KX103J2 Mouser Part # 803-KX103J2	Littelfuse	NTC Thermistors NTC THERMISTOR 10K OHM 1.0C BEAD Learn More about Littelfuse industrial portfolio	Datasheet	160In Stock	¥315.6 ¥300.6 ¥284 ¥280.7 View ¥267.4 ¥235.9 ¥229.2 ¥212.6	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR US SENSOR BC103J1K Littelfuse 1: ¥553.1 172In Stock	Mfr. Part # BC103J1K Mouser Part # 803-BC103J1K	Littelfuse	NTC Thermistors THERMISTOR US SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	172In Stock	¥553.1 ¥413.6 ¥368.7 ¥350.5 View ¥340.5 ¥295.7 ¥285.7 ¥265.8	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, U.S. SENS PT302J2 Littelfuse 1: ¥330.5 387In Stock Factory Special Order	Mfr. Part # PT302J2 Mouser Part # 803-PT302J2 Factory Special Order	Littelfuse	NTC Thermistors THERMISTOR, U.S. SENS Learn More about Littelfuse leaded thermistors	Datasheet	387In Stock	¥330.5 ¥313.9 ¥259.1 ¥240.8 View ¥230.9 ¥206 ¥197.7 ¥182.7	Min.: 1 Mult.: 1
NTC Thermistors 10K OHM .2% DEG C INTRCHGBL PT103J2 Littelfuse 1: ¥292.3 20,897On Order	Mfr. Part # PT103J2 Mouser Part # 803-PT103J2	Littelfuse	NTC Thermistors 10K OHM .2% DEG C INTRCHGBL Learn More about Littelfuse leaded thermistors	Datasheet	20,897On Order On Order Ship Dates Mfr. #: PT103J2 Stock: 0 On Order: 3,397 Expected 11/16/2026 500 Expected 12/30/2026 8,000 Expected 12/31/2026 9,000 Expected 3/31/2027 Factory Lead-Time: 22 Weeks	¥292.3 ¥277.4 ¥259.1 ¥244.2 View ¥224.2 ¥206 ¥199.3 ¥186	Min.: 1 Mult.: 1
NTC Thermistors 10K OHM 10% PROBE TO220 TO103J2J Littelfuse 1: ¥312.3 20,441On Order	Mfr. Part # TO103J2J Mouser Part # 803-TO103J2J	Littelfuse	NTC Thermistors 10K OHM 10% PROBE TO220 Learn More about Littelfuse thermistor probes assemblies	Datasheet	20,441On Order On Order Ship Dates Mfr. #: TO103J2J Stock: 0 On Order: 4,441 Expected 3/11/2027 9,500 Expected 3/16/2027 6,500 Expected 4/14/2027 Factory Lead-Time: 20 Weeks	¥312.3 ¥297.3 ¥280.7 ¥269.1 View ¥257.5 ¥229.2 ¥210.9 ¥209.3	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSOR P/ AC103E2F Littelfuse 1: ¥191 13,833On Order	Mfr. Part # AC103E2F Mouser Part # 803-AC103E2F	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR P/ Learn More about Littelfuse renewable energy	Datasheet	13,833On Order On Order Ship Dates Mfr. #: AC103E2F Stock: 0 On Order: 5,833 Expected 2/17/2027 8,000 Expected 2/24/2027 Factory Lead-Time: 12 Weeks	¥191 ¥182.7 ¥171.1 ¥162.6 View ¥147 ¥141.4 ¥135 ¥124.6	Min.: 1 Mult.: 1
Thermal Interface Products HEATSINKCOMP.SARANPK G2GR P0200-19 Littelfuse 1: ¥657.8 1,536Expected 11/25/2026	Mfr. Part # P0200-19 Mouser Part # 576-P0200-19	Littelfuse	Thermal Interface Products HEATSINKCOMP.SARANPK G2GR	Datasheet	1,536Expected 11/25/2026	¥657.8 ¥554.8 ¥534.8 ¥514.9 ¥496.6	Min.: 1 Mult.: 1
NTC Thermistors 10K OHM 1% PROBE ASSEMBLY USP10981 Littelfuse 1: ¥4,169.1 550On Order	Mfr. Part # USP10981 Mouser Part # 803-USP10981	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	550On Order On Order Ship Dates Mfr. #: USP10981 Stock: 0 On Order: 100 Expected 12/1/2026 100 Expected 12/9/2026 350 Expected 1/28/2027 Factory Lead-Time: 13 Weeks	¥4,169.1 ¥3,845.2 ¥3,664.2 ¥3,549.6 View ¥3,439.9 ¥3,338.6 ¥3,134.3	Min.: 1 Mult.: 1
NTC Thermistors 10K OHM 2% RING LUG ASMBLY USUR1000-103G-06 Littelfuse 1: ¥2,049.7 700On Order	Mfr. Part # USUR1000-103G-06 Mouser Part # 803-USUR1000-103G-06	Littelfuse	NTC Thermistors 10K OHM 2% RING LUG ASMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	700On Order On Order Ship Dates Mfr. #: USUR1000-103G-06 Stock: 0 On Order: 150 Expected 2/3/2027 300 Expected 2/10/2027 250 Expected 2/17/2027 Factory Lead-Time: 16 Weeks	¥2,049.7 ¥1,845.4 ¥1,661 ¥1,639.4 View ¥1,363.7 ¥1,318.8 ¥1,227.5 ¥1,194.3	Min.: 1 Mult.: 1
NTC Thermistors NTC THRM GLASS BEAD 3977 100K 10% GS104J1K Littelfuse 1: ¥229.2 140Expected 1/22/2027	Mfr. Part # GS104J1K Mouser Part # 576-GS104J1K	Littelfuse	NTC Thermistors NTC THRM GLASS BEAD 3977 100K 10% Learn More about Littelfuse renewable energy	Datasheet	140Expected 1/22/2027	¥229.2 ¥219.3 ¥206 ¥196 View ¥184.4 ¥179.4 ¥172.7	Min.: 1 Mult.: 1
NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT RB103E0J Littelfuse 1: ¥74.7 240Expected 12/7/2026	Mfr. Part # RB103E0J Mouser Part # 576-RB103E0J	Littelfuse	NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT Learn More about Littelfuse rb thermistors	Datasheet	240Expected 12/7/2026	¥74.7 ¥69.9 ¥65.1 ¥62 View ¥61.6 ¥55.3 ¥53 ¥50.7 ¥46.3	Min.: 1 Mult.: 1
NTC Thermistors 10K OHM 1% DO-35 103E1G1F Littelfuse 1: ¥202.6 490Expected 11/16/2026	Mfr. Part # 103E1G1F Mouser Part # 803-103E1G1F	Littelfuse	NTC Thermistors 10K OHM 1% DO-35 Learn More about Littelfuse do 35 standard	Datasheet	490Expected 11/16/2026	¥202.6 ¥192.7 ¥181 ¥172.7 View ¥146.8 ¥135.7 ¥129.9 ¥124.6	Min.: 1 Mult.: 1

Share This

Littelfuse Thermal Management

Types of Thermal Management