Heat Pumps

Littelfuse provides a broad portfolio of components for heat pumps, including fuses, TVS diodes, gate drivers, and more. The heat pump market is growing quickly, driven by government initiatives to reduce greenhouse gas emissions and rising energy costs. With inverter-driven motors improving system efficiencies, heat pumps can now be used in a wide range of climates. Learn how Littelfuse technologies make heat pumps safer, more reliable, and more energy efficient. Heat pumps can be used in a wide range of climates due to the inverter-driven motors improving system efficiencies. These components are suitable for various applications such as energy management, security systems, HVAC systems, smoke detectors, and IoT-controlled appliances. Littelfuse offers protect, control, and sense technologies to improve buildings' reliability, safety, and energy efficiency.

Results: 228
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Proximity Sensors 59140-4-S-02-A SENS 2,137In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors 200V 1000mm TINNED LEADS 388In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .1% DEG C PROBE ASMB 1,804In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 2% LUG 6In Stock
Min.: 1
Mult.: 1
Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 2% LUG 48In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 5K OHM 2% LUG 1In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors 59140-4-U-02-A SENS 24In Stock
500Expected 2026/04/14
Min.: 1
Mult.: 1


Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 2% LUG 55In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors NO 12-18AT 500mm 488In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors 59140-1-T-02-A SENS 494In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors 59140-3-S-02-F SENS 492In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors NO 12-18AT 750mm 478In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors 59140-2-T-02-F SENS 427In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 775In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 3,417In Stock
Min.: 1
Mult.: 1

Littelfuse Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141 13,551In Stock
7,560Expected 2026/05/14
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors Actuator for 59140 and 59141 8,131In Stock
4,500Expected 2026/05/12
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 1,021In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 128In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 272In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE TO220 774In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 10% PROBE TO220 3,529In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5% PROBE TO220 4,859In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor Probe 244In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 349In Stock
Min.: 1
Mult.: 1