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: 91
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 3,212In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors 59140-4-U-02-A SENS 480In Stock
Min.: 1
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .1% DEG C PROBE ASMB 1,745In Stock
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Littelfuse Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 1,439In Stock
Min.: 1
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Littelfuse Proximity Sensors 59140-3-S-02-F SENS 485In Stock
Min.: 1
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 2% LUG 48In Stock
Min.: 1
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 2% LUG 33In Stock
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Littelfuse Proximity Sensors NO 12-18AT 750mm 478In Stock
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Littelfuse Proximity Sensors NO 12-18AT 500mm 472In Stock
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 2% LUG 1In Stock
50Expected 2026/10/14
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Littelfuse Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141 34,894In Stock
4,320Expected 2026/09/30
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Littelfuse Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 5,746In Stock
2,600Expected 2026/10/06
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 2,002In Stock
50Expected 2026/10/14
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 1,308In Stock
Min.: 1
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 126In Stock
200Expected 2026/12/09
Min.: 1
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 227In Stock
550Expected 2026/11/30
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5% PROBE TO220 4,005In Stock
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor Probe 188In Stock
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM .2% DEG C PROBE ASMB 458In Stock
200Expected 2026/11/11
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Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 153In Stock
50Expected 2026/10/15
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR 290In Stock
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 1,599In Stock
674On Order
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% RING LUG ASMBLY 208In Stock
Min.: 1
Mult.: 1

Littelfuse Proximity Sensors Actuator for 59140 and 59141 4,998In Stock
6,200Expected 2026/11/02
Min.: 1
Mult.: 1

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