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: 92
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 NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 3,214In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .1% DEG C PROBE ASMB 1,745In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors 59140-3-S-02-F SENS 486In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 2% LUG 33In Stock
Min.: 1
Mult.: 1


Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 2% LUG 53In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors NO 12-18AT 500mm 472In Stock
Min.: 1
Mult.: 1

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

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 2% LUG 1In Stock
50Expected 2026/08/25
Min.: 1
Mult.: 1
Littelfuse Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141 24,636In Stock
17,460Expected 2026/09/30
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 1,690In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 126In Stock
250Expected 2026/11/09
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 351In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE TO220 525In Stock
500Expected 2027/02/08
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5% PROBE TO220 4,015In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 1,164In Stock
950On Order
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor Probe 188In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 123In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM .2% DEG C PROBE ASMB 463In Stock
200Expected 2026/11/11
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 153In Stock
50Expected 2026/09/21
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 351In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 1,603In Stock
674On Order
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% RING LUG ASMBLY 303In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors Actuator for 59140 and 59141 5,249In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 1,439In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors 59140 030 PROX SENSOR 650In Stock
Min.: 1
Mult.: 1