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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
NTC (Negative Temperature Coefficient) Thermistors 100K 1 DEG C DO-35 104JM1A Littelfuse 1: $1.04 5In Stock	Mfr. Part No. 104JM1A Mouser Part No 803-104JM1A	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 100K 1 DEG C DO-35 Learn More about Littelfuse do 35 standard	Datasheet	5In Stock	$1.04 $0.818 $0.766 $0.732 View $0.659 $0.633 $0.608 $0.559	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3047 100 10% GS201B1K Littelfuse 1: $2.06 11In Stock 500Expected 2026/12/29	Mfr. Part No. GS201B1K Mouser Part No 576-GS201B1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3047 100 10% Learn More about Littelfuse renewable energy	Datasheet	11In Stock 500Expected 2026/12/29	$2.06 $1.59 $1.33 $1.30 View $1.17 $1.08 $1.03 $0.94	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600A 250VAC 200VDC FF L25S POWR-SPEED L25S600.V Littelfuse 1: $114.81 9In Stock	Mfr. Part No. L25S600.V Mouser Part No 576-L25S600.V	Littelfuse	Industrial & Electrical Fuses 600A 250VAC 200VDC FF L25S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	9In Stock	$114.81 $93.90 $91.91 $80.76 View $75.82 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 35A 250VAC 250VDC FF L25S POWR-SPEED L25S035.T Littelfuse 1: $83.76 6In Stock 2Expected 2026/10/28	Mfr. Part No. L25S035.T Mouser Part No 576-L25S035.T	Littelfuse	Industrial & Electrical Fuses 35A 250VAC 250VDC FF L25S POWR-SPEED Learn More about Littelfuse renewable energy	Datasheet	6In Stock 2Expected 2026/10/28	$83.76 $69.47 $64.07 $53.03 View $48.83 $44.26	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 40A 250VAC 250VDC FF L25S POWR-SPEED L25S040.T Littelfuse 1: $83.76 2In Stock	Mfr. Part No. L25S040.T Mouser Part No 576-L25S040.T	Littelfuse	Industrial & Electrical Fuses 40A 250VAC 250VDC FF L25S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	2In Stock	$83.76 $69.47 $64.07 $53.03 View $48.83 $44.26	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100 OHM 10% EPOXY BEAD LC101B2K Littelfuse 1: $1.69 319In Stock	Mfr. Part No. LC101B2K Mouser Part No 576-LC101B2K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100 OHM 10% EPOXY BEAD Learn More about Littelfuse renewable energy	Datasheet	319In Stock	$1.69 $1.27 $1.01 $0.958 View $0.934 $0.786 $0.725 $0.668	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 250VAC 200VDC FF L25S POWR-SPEED L25S300.V Littelfuse 1: $133.27 2In Stock	Mfr. Part No. L25S300.V Mouser Part No 576-L25S300.V	Littelfuse	Industrial & Electrical Fuses 300A 250VAC 200VDC FF L25S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	2In Stock	$133.27 $110.51 $101.91 $84.29 $77.60	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A L75QS080.V Littelfuse 1: $138.25 8In Stock 20Expected 2027/02/01	Mfr. Part No. L75QS080.V Mouser Part No 576-L75QS080.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A Learn More about Littelfuse hvac protection control solutions	Datasheet	8In Stock 20Expected 2027/02/01	$138.25 $114.64 $105.72 $87.45 $80.49	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR DC102F2K Littelfuse 1: $1.07 517In Stock	Mfr. Part No. DC102F2K Mouser Part No 803-DC102F2K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR Learn More about Littelfuse renewable energy	Datasheet	517In Stock	$1.07 $1.01 $0.854 $0.802 View $0.783 $0.665 $0.626 $0.576	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 100K OHM 10% LC104R2K Littelfuse 1: $3.44 180In Stock	Mfr. Part No. LC104R2K Mouser Part No 803-LC104R2K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 100K OHM 10% Learn More about Littelfuse renewable energy	Datasheet	180In Stock	$3.44 $2.58 $2.29 $2.17 View $2.12 $2.04 $1.94 $1.79	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A PSX1XLDB0125X Littelfuse 1: $428.15 14In Stock	Mfr. Part No. PSX1XLDB0125X Mouser Part No 576-PSX1XLDB0125X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 125A Learn More about Littelfuse psx square body fuses	Datasheet	14In Stock	$428.15 $351.56 $296.96 Quote Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR LC303J2K Littelfuse 1: $1.69 498In Stock	Mfr. Part No. LC303J2K Mouser Part No 576-LC303J2K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse renewable energy	Datasheet	498In Stock	$1.69 $1.27 $1.01 $0.958 View $0.934 $0.786 $0.725 $0.668	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors UL-RATED NTC THERM 50K OHM 10% DO35 USUG1000-503K Littelfuse 1: $1.51 500In Stock	Mfr. Part No. USUG1000-503K Mouser Part No 576-USUG1000-503K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors UL-RATED NTC THERM 50K OHM 10% DO35 Learn More about Littelfuse renewable energy	Datasheet	500In Stock	$1.51 $1.14 $0.907 $0.852 View $0.832 $0.83 $0.698 $0.679 $0.612	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A Littelfuse L75QS090.V L75QS090.V Littelfuse 1: $138.25 5In Stock	Mfr. Part No. L75QS090.V Mouser Part No 576-L75QS090.V	Littelfuse	Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A Learn More about Littelfuse hvac protection control solutions	Datasheet	5In Stock	$138.25 $114.64 $105.72 $87.45 $80.49	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A PSX1XLDB0630X Littelfuse 1: $720.16 1In Stock 12Expected 2026/12/03	Mfr. Part No. PSX1XLDB0630X Mouser Part No 576-PSX1XLDB0630X	Littelfuse	Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 630A Learn More about Littelfuse psx square body fuses	Datasheet	1In Stock 12Expected 2026/12/03	$720.16 $612.98 $549.49	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 10% EPOXY BEAD LC103E2K Littelfuse 1: $1.70 391In Stock	Mfr. Part No. LC103E2K Mouser Part No 576-LC103E2K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 10% EPOXY BEAD Learn More about Littelfuse renewable energy	Datasheet	391In Stock	$1.70 $1.28 $1.02 $0.959 View $0.935 $0.642	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 68K OHM 10% DO35 683N1G1K Littelfuse 1: $1.58 30In Stock	Mfr. Part No. 683N1G1K Mouser Part No 803-683N1G1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 68K OHM 10% DO35 Learn More about Littelfuse do 35 standard	Datasheet	30In Stock	$1.58 $1.49 $0.852 $0.832 View $0.686 $0.649 $0.609	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 150VAC 100VDC FF L15S POWR-SPEED L15S300.T Littelfuse 1: $79.10 1In Stock	Mfr. Part No. L15S300.T Mouser Part No 576-L15S300.T	Littelfuse	Industrial & Electrical Fuses 300A 150VAC 100VDC FF L15S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	1In Stock	$79.10 $79.05 $49.60	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R GS501D1K Littelfuse 1: $1.66 1,564In Stock	Mfr. Part No. GS501D1K Mouser Part No 576-GS501D1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R Learn More about Littelfuse renewable energy	Datasheet	1,564In Stock	$1.66 $1.47 $1.28 $1.24 View $1.16 $0.922 $0.916 $0.909	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 500A 500VAC 450VDC FF L50S POWR-SPEED L50S500.X Littelfuse 1: $250.59 4In Stock	Mfr. Part No. L50S500.X Mouser Part No 576-L50S500.X	Littelfuse	Industrial & Electrical Fuses 500A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	4In Stock	$250.59 $207.74 $191.52 $158.26	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR P/ LC103J2J Littelfuse 1: $1.65 1,217In Stock	Mfr. Part No. LC103J2J Mouser Part No 803-LC103J2J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR P/ Learn More about Littelfuse renewable energy	Datasheet	1,217In Stock	$1.65 $1.29 $1.04 $0.97 View $0.947 $0.946 $0.795 $0.69	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD KC102F2K Littelfuse 1: $2.77 833In Stock	Mfr. Part No. KC102F2K Mouser Part No 576-KC102F2K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD Learn More about Littelfuse kc thermistors	Datasheet	833In Stock	$2.77 $2.08 $1.85 $1.76 View $1.71 $1.54 $1.47 $1.36	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 25A 150VAC 150VDC FF L15S POWR-SPEED L15S025.T Littelfuse 1: $25.03 18In Stock	Mfr. Part No. L15S025.T Mouser Part No 576-L15S025.T	Littelfuse	Industrial & Electrical Fuses 25A 150VAC 150VDC FF L15S POWR-SPEED	Datasheet	18In Stock	$25.03 $21.63 $19.83 $17.12 View $14.63 $13.53 $12.16 $11.61	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 450A 500VAC 450VDC FF L50S POWR-SPEED L50S450.X Littelfuse 1: $250.59 1In Stock	Mfr. Part No. L50S450.X Mouser Part No 576-L50S450.X	Littelfuse	Industrial & Electrical Fuses 450A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	1In Stock	$250.59 $207.74 $191.52 $158.26	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 35A 500VAC 450VDC FF L50S POWR-SPEED L50S035.T Littelfuse 1: $72.34 3In Stock	Mfr. Part No. L50S035.T Mouser Part No 576-L50S035.T	Littelfuse	Industrial & Electrical Fuses 35A 500VAC 450VDC FF L50S POWR-SPEED Learn More about Littelfuse fast acting high speed fuses	Datasheet	3In Stock	$72.34 $60.00 $55.35 $45.83 View $42.55 $39.72	Min.: 1 Mult.: 1

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