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Renewable Energy Solutions

Littelfuse provides a wide range of renewable energy solutions that include high-speed fuses, fast-acting relays, surge protection devices, and temperature sensors. These products from Littelfuse are designed to protect equipment from arc-flashes and fault conditions caused by equipment failure, phase-to-phase or ground faults, insulation breakdown, or temperature extremes. This selection of fuses, relays, surge protection devices, and temperature sensors can be found and used in Battery Energy Storage Systems (BESS), Solar/Photovoltaic (PV) energy solutions, and wind turbines.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.
Current Sense Resistors - SMD Passive Components, Resistors, 10x5.2 (3921) size, 12W, 0.2m Ohm, High Power Type Metal Plate Shunt Resistor (AEC-Q200 Qualified) PSR400ITQFC0L20 ROHM Semiconductor 1: S/8.99 6,040In Stock 3,000Expected 10/9/2026	Mfr. Part # PSR400ITQFC0L20 Mouser Part # 755-PSR400ITQFC0L20	ROHM Semiconductor	Current Sense Resistors - SMD Passive Components, Resistors, 10x5.2 (3921) size, 12W, 0.2m Ohm, High Power Type Metal Plate Shunt Resistor (AEC-Q200 Qualified) Learn More about ROHM Semiconductor rohm current sensing resistor	Datasheet	6,040In Stock 3,000Expected 10/9/2026	Cut Tape S/8.99 S/6.27 S/5.29 S/5.02 Reel S/4.13 View S/4.71 S/4.55 S/4.24 S/4.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED L50QS350.V Littelfuse 1: S/512.33 56In Stock	Mfr. Part # L50QS350.V Mouser Part # 576-L50QS350.V	Littelfuse	Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	56In Stock	S/512.33 S/409.06 S/375.70 S/354.41	Min.: 1 Mult.: 1
NTC Thermistors 10K OHM 10% DO-35 103JG1KE Littelfuse 1: S/1.13 12,136In Stock	Mfr. Part # 103JG1KE Mouser Part # 803-103JG1KE	Littelfuse	NTC Thermistors 10K OHM 10% DO-35 Learn More about Littelfuse do 35 standard	Datasheet	12,136In Stock	Cut Tape S/1.13 S/1.04 S/0.915 S/0.872 View Reel S/0.58 S/0.779 S/0.67 S/0.58	Min.: 1 Mult.: 1 : 5,000
Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED L50QS090.T Littelfuse 1: S/218.60 44In Stock	Mfr. Part # L50QS090.T Mouser Part # 576-L50QS090.T	Littelfuse	Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	44In Stock	S/218.60 S/191.55 S/155.27 S/154.22 View S/149.90 S/143.52	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED L70QS600.X Littelfuse 1: S/1,346.45 16In Stock	Mfr. Part # L70QS600.X Mouser Part # 576-L70QS600.X	Littelfuse	Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	16In Stock	S/1,346.45 S/1,126.22	Min.: 1 Mult.: 1
NTC Thermistors NTC THRM GLASS BEAD 3977 30K 10% GS303J1K Littelfuse 1: S/5.37 2,728In Stock	Mfr. Part # GS303J1K Mouser Part # 576-GS303J1K	Littelfuse	NTC Thermistors NTC THRM GLASS BEAD 3977 30K 10% Learn More about Littelfuse renewable energy	Datasheet	2,728In Stock	S/5.37 S/5.14 S/4.83 S/4.59 View S/4.40 S/4.01 S/3.41 S/2.93	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A L75QS080.V Littelfuse 1: S/538.06 19In Stock	Mfr. Part # L75QS080.V Mouser Part # 576-L75QS080.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A Learn More about Littelfuse hvac protection control solutions	Datasheet	19In Stock	S/538.06 S/446.16 S/411.44 S/350.13 View S/339.39 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 40A 750V L75QS040.V Littelfuse 1: S/380.49 77In Stock	Mfr. Part # L75QS040.V Mouser Part # 576-L75QS040.V	Littelfuse	Industrial & Electrical Fuses 40A 750V Learn More about Littelfuse hvac protection control solutions	Datasheet	77In Stock	S/380.49 S/311.67 S/264.34 S/248.85 S/241.14	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A L75QS125.V Littelfuse 1: S/591.12 52In Stock	Mfr. Part # L75QS125.V Mouser Part # 576-L75QS125.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A Learn More about Littelfuse hvac protection control solutions	Datasheet	52In Stock	S/591.12 S/465.93 S/424.52 S/412.02	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750V FAST BLOW 70A L75QS070.V Littelfuse 1: S/440.48 20In Stock	Mfr. Part # L75QS070.V Mouser Part # 576-L75QS070.V	Littelfuse	Industrial & Electrical Fuses 750V FAST BLOW 70A Learn More about Littelfuse hvac protection control solutions	Datasheet	20In Stock	S/440.48 S/343.12 S/329.77 S/309.26	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 5931 0.0003ohm 1% Shunt Res AEC-Q200 PSR500HTQFD0L30 ROHM Semiconductor 1: S/11.60 2,049In Stock	Mfr. Part # PSR500HTQFD0L30 Mouser Part # 755-PSR500HTQFD0L30	ROHM Semiconductor	Current Sense Resistors - SMD 5931 0.0003ohm 1% Shunt Res AEC-Q200 Learn More about ROHM Semiconductor rohm current sensing resistors	Datasheet	2,049In Stock	Cut Tape S/11.60 S/7.79 S/6.07 S/5.53 Reel S/4.20 View S/4.90 S/4.55 S/4.20 S/4.16 S/4.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 5931 0.002ohm 1% Shunt Res AEC-Q200 PSR500HTQFJ2L00 ROHM Semiconductor 1: S/11.60 1,765In Stock	Mfr. Part # PSR500HTQFJ2L00 Mouser Part # 755-PSR500HTQFJ2L00	ROHM Semiconductor	Current Sense Resistors - SMD 5931 0.002ohm 1% Shunt Res AEC-Q200 Learn More about ROHM Semiconductor rohm current sensing resistors	Datasheet	1,765In Stock	Cut Tape S/11.60 S/7.79 S/6.07 S/5.53 Reel S/3.93 View S/4.90 S/4.55 S/3.93 S/3.56 S/3.43 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Current Sense Resistors - SMD 2512 2mohm 1% Shunt Resistor PSR100KTQFJ2L00 ROHM Semiconductor 1: S/8.64 13,716In Stock	Mfr. Part # PSR100KTQFJ2L00 Mouser Part # 755-PSR100KTQFJ2L00	ROHM Semiconductor	Current Sense Resistors - SMD 2512 2mohm 1% Shunt Resistor Learn More about ROHM Semiconductor rohm current sensing resistors	Datasheet	13,716In Stock	Cut Tape S/8.64 S/5.76 S/4.48 S/4.05 Reel S/3.04 View S/3.57 S/3.29 S/3.04 S/2.97 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
NTC Thermistors THERMISTOR KC103J2F Littelfuse 1: S/16.35 4,388In Stock	Mfr. Part # KC103J2F Mouser Part # 576-KC103J2F	Littelfuse	NTC Thermistors THERMISTOR Learn More about Littelfuse renewable energy	Datasheet	4,388In Stock	S/16.35 S/14.64 S/14.01 S/13.27 View S/12.73 S/12.26 S/11.09 S/9.77	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED L70QS450.X Littelfuse 1: S/1,353.93 5In Stock	Mfr. Part # L70QS450.X Mouser Part # 576-L70QS450.X	Littelfuse	Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	5In Stock	S/1,353.93 S/1,202.12	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A L75QS200.V Littelfuse 1: S/594.15 74In Stock	Mfr. Part # L75QS200.V Mouser Part # 576-L75QS200.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A Learn More about Littelfuse hvac protection control solutions	Datasheet	74In Stock	S/594.15 S/502.52 S/422.53 S/393.14	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750V FAST BLOW 250A L75QS250.X Littelfuse 1: S/900.76 14In Stock	Mfr. Part # L75QS250.X Mouser Part # 576-L75QS250.X	Littelfuse	Industrial & Electrical Fuses 750V FAST BLOW 250A Learn More about Littelfuse hvac protection control solutions	Datasheet	14In Stock	S/900.76 S/798.62 S/749.97 S/686.91	Min.: 1 Mult.: 1
Current Sense Resistors - SMD 3921 0.002ohm 1% Shunt Res AEC-Q200 PSR400ITQFJ2L00 ROHM Semiconductor 1: S/10.47 2,319In Stock	Mfr. Part # PSR400ITQFJ2L00 Mouser Part # 755-PSR400ITQFJ2L00	ROHM Semiconductor	Current Sense Resistors - SMD 3921 0.002ohm 1% Shunt Res AEC-Q200 Learn More about ROHM Semiconductor rohm current sensing resistors	Datasheet	2,319In Stock	Cut Tape S/10.47 S/6.85 S/5.45 S/4.94 Reel S/3.17 View S/4.40 S/4.05 S/3.36 S/3.07 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC Thermistors NTC THRM GLASS BEAD 3047 100 10% GS201B1K Littelfuse 1: S/6.46 11In Stock 500Expected 10/26/2026	Mfr. Part # GS201B1K Mouser Part # 576-GS201B1K	Littelfuse	NTC Thermistors NTC THRM GLASS BEAD 3047 100 10% Learn More about Littelfuse renewable energy	Datasheet	11In Stock 500Expected 10/26/2026	S/6.46 S/6.15 S/4.83 S/4.59 View S/4.40 S/3.97 S/3.83 S/3.54	Min.: 1 Mult.: 1
NTC Thermistors 100K 1 DEG C DO-35 104JM1A Littelfuse 1: S/4.05 5In Stock	Mfr. Part # 104JM1A Mouser Part # 803-104JM1A	Littelfuse	NTC Thermistors 100K 1 DEG C DO-35 Learn More about Littelfuse do 35 standard	Datasheet	5In Stock	S/4.05 S/3.18 S/2.98 S/2.85 View S/2.57 S/2.46 S/2.37 S/2.18	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSOR P/ 105V3G1K Littelfuse 1: S/5.88 373In Stock	Mfr. Part # 105V3G1K Mouser Part # 803-105V3G1K	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR P/ Learn More about Littelfuse do 35 standard	Datasheet	373In Stock	S/5.88 S/4.44 S/3.53 S/3.32 View S/3.23 S/2.57 S/2.53 S/2.46	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSOR 222E1G1K Littelfuse 1: S/3.50 90In Stock	Mfr. Part # 222E1G1K Mouser Part # 803-222E1G1K	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse do 35 standard	Datasheet	90In Stock	S/3.50 S/2.67 S/2.30 S/2.22 View S/1.89 S/1.82 S/1.64 S/1.54 S/1.35	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSOR 503JL1A Littelfuse 1: S/6.89 201In Stock 500Expected 12/30/2026	Mfr. Part # 503JL1A Mouser Part # 803-503JL1A	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse jl do 35	Datasheet	201In Stock 500Expected 12/30/2026	S/6.89 S/6.58 S/5.57 S/5.45 View S/5.02 S/4.44 S/4.28 S/4.13 S/3.82	Min.: 1 Mult.: 1
NTC Thermistors 1K OHM 10% 102FH1K Littelfuse 1: S/5.37 267In Stock	Mfr. Part # 102FH1K Mouser Part # 803-102FH1K	Littelfuse	NTC Thermistors 1K OHM 10% Learn More about Littelfuse do 35 standard	Datasheet	267In Stock	S/5.37 S/4.05 S/3.22 S/3.02 View S/2.95 S/2.37 S/2.27 S/2.18	Min.: 1 Mult.: 1
NTC Thermistors THERMISTOR, US SENSOR LC302J2J Littelfuse 1: S/7.43 448In Stock	Mfr. Part # LC302J2J Mouser Part # 803-LC302J2J	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse renewable energy	Datasheet	448In Stock	S/7.43 S/5.72 S/4.79 S/4.67 View S/4.24 S/3.71 S/3.23	Min.: 1 Mult.: 1

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