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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Cartridge Fuses 250V 4A Slo-Blo 0215004.MXEP Littelfuse 1: £2.43 9,290In Stock	Mfr. Part No. 0215004.MXEP Mouser Part No 576-0215004.MXEP	Littelfuse	Cartridge Fuses 250V 4A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	9,290In Stock	£2.43 £2.01 £1.68 £1.49 View £1.32 £1.23 £1.14 £1.10	Min.: 1 Mult.: 1
Cartridge Fuses 250V 8A Medium Acting 0234008.MXP Littelfuse 1: £0.863 23,785In Stock	Mfr. Part No. 0234008.MXP Mouser Part No 576-0234008.MXP	Littelfuse	Cartridge Fuses 250V 8A Medium Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	23,785In Stock	£0.863 £0.747 £0.701 £0.592 View £0.566 £0.542 £0.523 £0.492	Min.: 1 Mult.: 1
Cartridge Fuses 250V 6.3A Time Lag (Slo-Blo) 021806.3MXP Littelfuse 1: £0.96 21,864In Stock	Mfr. Part No. 021806.3MXP Mouser Part No 576-021806.3MXP	Littelfuse	Cartridge Fuses 250V 6.3A Time Lag (Slo-Blo) Learn More about Littelfuse 5x20 fuseholders	Datasheet	21,864In Stock	£0.96 £0.899 £0.743 £0.541	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5kW 51V 5% Uni-Directional 5.0SMDJ51A Littelfuse 1: £1.63 29,277In Stock	Mfr. Part No. 5.0SMDJ51A Mouser Part No 576-5.0SMDJ51A	Littelfuse	ESD Protection Diodes / TVS Diodes 5kW 51V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	29,277In Stock	Cut Tape £1.63 £1.20 £0.89 £0.803 View Reel £0.551 £0.646 £0.595 £0.551 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
MOSFET Modules 650V/145A Ultra Junction X2-Class IXFN150N65X2 IXYS 1: £47.79 841In Stock	Mfr. Part No. IXFN150N65X2 Mouser Part No 747-IXFN150N65X2	IXYS	MOSFET Modules 650V/145A Ultra Junction X2-Class Learn More about IXYS x2 hiperfet mosfets	Datasheet	841In Stock	£47.79 £40.02	Min.: 1 Mult.: 1
Gate Drivers 14-Ampere Low-Side Ultrafast MOSFET IXDN614CI IXYS Integrated Circuits 1: £4.51 7,328In Stock	Mfr. Part No. IXDN614CI Mouser Part No 849-IXDN614CI	IXYS Integrated Circuits	Gate Drivers 14-Ampere Low-Side Ultrafast MOSFET Learn More about IXYS Integrated Circuits ixys ixd 614 mosfet gate drivers	Datasheet	7,328In Stock	£4.51 £3.44 £2.84 £2.83	Min.: 1 Mult.: 1
MOSFETs 250V UltraJunc X3 Pwr MOSFET IXFK240N25X3 IXYS 1: £27.39 602In Stock	Mfr. Part No. IXFK240N25X3 Mouser Part No 747-IXFK240N25X3	IXYS	MOSFETs 250V UltraJunc X3 Pwr MOSFET Learn More about IXYS x3 hiperfet mosfets	Datasheet	602In Stock	£27.39 £22.13	Min.: 1 Mult.: 1
Bridge Rectifiers 190 Amps 1200V VUO190-12NO7 IXYS 1: £70.26 166In Stock	Mfr. Part No. VUO190-12NO7 Mouser Part No 747-VUO190-12NO7	IXYS	Bridge Rectifiers 190 Amps 1200V Learn More about IXYS 3 phase rectifier bridges	Datasheet	166In Stock	£70.26 £62.41	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101 SZSMF33AT1G Littelfuse 1: £0.503 178,451In Stock	Mfr. Part No. SZSMF33AT1G Mouser Part No 863-SZSMF33AT1G	Littelfuse	ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101 Learn More about Littelfuse tvsdiodes	Datasheet	178,451In Stock	Cut Tape £0.503 £0.284 £0.226 £0.182 Reel £0.118 View £0.172 £0.116 £0.108 £0.107 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
MOSFET Modules MBLOC 200V 300A N-CH X3CLASS IXFN300N20X3 IXYS 1: £38.65 558In Stock	Mfr. Part No. IXFN300N20X3 Mouser Part No 747-IXFN300N20X3	IXYS	MOSFET Modules MBLOC 200V 300A N-CH X3CLASS Learn More about IXYS x3 hiperfet mosfets	Datasheet	558In Stock	£38.65 £33.44	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP10975 Littelfuse 1: £7.05 3,210In Stock	Mfr. Part No. USP10975 Mouser Part No 803-USP10975	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	3,210In Stock	£7.05 £6.60 £6.30 £6.18 View £6.13 £5.95	Min.: 1 Mult.: 1
MOSFET Modules MBLOC 150V 400A N-CH X3CLASS IXFN400N15X3 IXYS 1: £41.28 525In Stock	Mfr. Part No. IXFN400N15X3 Mouser Part No 747-IXFN400N15X3	IXYS	MOSFET Modules MBLOC 150V 400A N-CH X3CLASS Learn More about IXYS x3 hiperfet mosfets	Datasheet	525In Stock	£41.28 £33.44	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 58Vso 45VAC 53A 5KP58CA Littelfuse 1: £3.10 16,507In Stock 3,200Expected 17/11/2026	Mfr. Part No. 5KP58CA Mouser Part No 576-5KP58CA	Littelfuse	ESD Protection Diodes / TVS Diodes 58Vso 45VAC 53A Learn More about Littelfuse 5kp tvs diodes	Datasheet	16,507In Stock 3,200Expected 17/11/2026	Cut Tape £3.10 £2.03 £1.58 £1.42 £1.13 Reel £1.13	Min.: 1 Mult.: 1 : 800
MOSFETs TO220 200V 72A N-CH X3CLASS IXFP72N20X3 IXYS 1: £8.55 3,498In Stock	Mfr. Part No. IXFP72N20X3 Mouser Part No 747-IXFP72N20X3	IXYS	MOSFETs TO220 200V 72A N-CH X3CLASS Learn More about IXYS x3 hiperfet mosfets	Datasheet	3,498In Stock	£8.55 £4.78 £4.53	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD 380V BI AK1-380C-Y Littelfuse 1: £21.78 298In Stock	Mfr. Part No. AK1-380C-Y Mouser Part No 576-AK1-380C-Y	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 380V BI Learn More about Littelfuse tvsdiodes	Datasheet	298In Stock	£21.78 £16.14	Min.: 1 Mult.: 1
IGBT Modules 650V/234A Trench IGBT GenX4 XPT IXXN110N65C4H1 IXYS 1: £25.88 730In Stock End of Life	Mfr. Part No. IXXN110N65C4H1 Mouser Part No 747-IXXN110N65C4H1 End of Life	IXYS	IGBT Modules 650V/234A Trench IGBT GenX4 XPT	Datasheet	730In Stock	£25.88 £19.88 £19.12	Min.: 1 Mult.: 1
Cartridge Fuses 250V .032A Time Lag (Slo-Blo) 0218.032MXEP Littelfuse 1: £3.46 1,989In Stock	Mfr. Part No. 0218.032MXEP Mouser Part No 576-0218.032MXEP	Littelfuse	Cartridge Fuses 250V .032A Time Lag (Slo-Blo) Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,989In Stock	£3.46 £3.22 £3.11 £2.44 View £2.03 £1.95 £1.75	Min.: 1 Mult.: 1
Cartridge Fuses 250V 1.6A Slo-Blo 021501.6MXP Littelfuse 1: £1.28 1,451In Stock	Mfr. Part No. 021501.6MXP Mouser Part No 576-021501.6MXP	Littelfuse	Cartridge Fuses 250V 1.6A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	1,451In Stock	£1.28 £1.13 £1.04 £0.908 View £0.856 £0.811 £0.773	Min.: 1 Mult.: 1
Cartridge Fuses 250V 1A Fast Acting 0216001.MXP Littelfuse 1: £1.26 6,395In Stock	Mfr. Part No. 0216001.MXP Mouser Part No 576-0216001.MXP	Littelfuse	Cartridge Fuses 250V 1A Fast Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	6,395In Stock	£1.26 £1.10 £0.925 £0.759 View £0.708 £0.705 £0.688	Min.: 1 Mult.: 1
Cartridge Fuses 250V 2.5A Slo-Blo 032602.5MXP Littelfuse 1: £2.03 1,194In Stock	Mfr. Part No. 032602.5MXP Mouser Part No 576-032602.5MXP	Littelfuse	Cartridge Fuses 250V 2.5A Slo-Blo Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	1,194In Stock	£2.03 £1.68 £1.55 £1.29 View £1.20 £0.899	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 3.0SMCJ - CA 48V 3.0SMCJ48CA Littelfuse 1: £0.995 14,500In Stock	Mfr. Part No. 3.0SMCJ48CA Mouser Part No 576-3.0SMCJ48CA	Littelfuse	ESD Protection Diodes / TVS Diodes 3.0SMCJ - CA 48V Learn More about Littelfuse 30smcj tvs diodes	Datasheet	14,500In Stock	Cut Tape £0.995 £0.625 £0.468 £0.416 Reel £0.313 View £0.326 £0.304 £0.288 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 5kW 22V 5% Uni-Directional 5.0SMDJ22A Littelfuse 1: £1.84 2,767In Stock	Mfr. Part No. 5.0SMDJ22A Mouser Part No 576-5.0SMDJ22A	Littelfuse	ESD Protection Diodes / TVS Diodes 5kW 22V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2,767In Stock	Cut Tape £1.84 £1.19 £0.899 £0.811 View Reel £0.551 £0.63 £0.577 £0.551 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 40Vso 31VAC 78A 5KP40A Littelfuse 1: £2.73 2,031In Stock 1,600Expected 04/05/2027	Mfr. Part No. 5KP40A Mouser Part No 576-5KP40A	Littelfuse	ESD Protection Diodes / TVS Diodes 40Vso 31VAC 78A Learn More about Littelfuse 5kp tvs diodes	Datasheet	2,031In Stock 1,600Expected 04/05/2027	Cut Tape £2.73 £1.78 £1.42 £1.26 £0.925 Reel £0.925	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes 477V 400W 5% Bi-directional P4SMA530CA Littelfuse 1: £0.759 10,132In Stock	Mfr. Part No. P4SMA530CA Mouser Part No 576-P4SMA530CA	Littelfuse	ESD Protection Diodes / TVS Diodes 477V 400W 5% Bi-directional Learn More about Littelfuse tvsdiodes	Datasheet	10,132In Stock	Cut Tape £0.759 £0.349 £0.309 £0.238 £0.227 Reel £0.152 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
MOSFETs TO247 250V 120A N-CH X3CLASS IXFH120N25X3 IXYS 1: £13.39 886In Stock	Mfr. Part No. IXFH120N25X3 Mouser Part No 747-IXFH120N25X3	IXYS	MOSFETs TO247 250V 120A N-CH X3CLASS Learn More about IXYS x3 hiperfet mosfets	Datasheet	886In Stock	£13.39 £8.12	Min.: 1 Mult.: 1

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Heat Pumps

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