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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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Part #

PTC (Positive Temperature Coefficient) Thermistors 1K OHM 2% DO-35

102PS1G
Littelfuse
1: $2.47
29In Stock
1,000Expected 17/08/2026

Mfr. Part No.
102PS1G

Mouser Part No
803-102PS1G

Littelfuse

PTC (Positive Temperature Coefficient) Thermistors 1K OHM 2% DO-35

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Datasheet

29In Stock

1,000Expected 17/08/2026

$2.47

$2.25

$1.94

$1.77

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Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 1kOhm 5%

102PS1J
Littelfuse
1: $1.54
5In Stock
1,500Expected 17/08/2026

Mfr. Part No.
102PS1J

Mouser Part No
803-102PS1J

Littelfuse

PTC (Positive Temperature Coefficient) Thermistors 1kOhm 5%

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Datasheet

5In Stock

1,500Expected 17/08/2026

$1.54

$1.47

$1.38

$1.32

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM .5% DEG C DO-35

103JL1A
Littelfuse
1: $1.01
585In Stock

Mfr. Part No.
103JL1A

Mouser Part No
803-103JL1A

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM .5% DEG C DO-35

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Datasheet

585In Stock

$1.01

$0.956

$0.897

$0.856

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% DO-35

103JM1A
Littelfuse
1: $0.87
1,148In Stock

Mfr. Part No.
103JM1A

Mouser Part No
803-103JM1A

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% DO-35

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Datasheet

1,148In Stock

$0.87

$0.818

$0.766

$0.731

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 100K 0.5 DEG C DO-35

104JL1A
Littelfuse
1: $1.48
854In Stock

Mfr. Part No.
104JL1A

Mouser Part No
803-104JL1A

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 100K 0.5 DEG C DO-35

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Datasheet

854In Stock

$1.48

$1.41

$1.32

$1.26

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Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 2K OHM 5% DO-35

202PS1J
Littelfuse
1: $4.51
212In Stock

Mfr. Part No.
202PS1J

Mouser Part No
803-202PS1J

Littelfuse

PTC (Positive Temperature Coefficient) Thermistors 2K OHM 5% DO-35

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Datasheet

212In Stock

$4.51

$4.04

$3.87

$3.67

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 20K OHM .5% DEG C DO-35

203JL1A
Littelfuse
1: $1.48
294In Stock

Mfr. Part No.
203JL1A

Mouser Part No
803-203JL1A

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 20K OHM .5% DEG C DO-35

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Datasheet

294In Stock

$1.48

$1.41

$1.32

$1.26

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR,U.S.SENSOR P/

302JH1K
Littelfuse
1: $0.63
589In Stock

Mfr. Part No.
302JH1K

Mouser Part No
803-302JH1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR,U.S.SENSOR P/

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Datasheet

589In Stock

$0.63

$0.593

$0.555

$0.528

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR P/

501FH1K
Littelfuse
1: $0.77
68In Stock
500Expected 22/10/2026

Mfr. Part No.
501FH1K

Mouser Part No
803-501FH1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR P/

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Datasheet

68In Stock

500Expected 22/10/2026

$0.77

$0.728

$0.664

$0.638

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% EPOXY COATED

AC103J2F
Littelfuse
1: $1.15
256In Stock

Mfr. Part No.
AC103J2F

Mouser Part No
803-AC103J2F

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% EPOXY COATED

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Datasheet

256In Stock

$1.15

$1.03

$0.917

$0.882

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

DC103G9G
Littelfuse
1: $0.92
127In Stock
2,000Expected 27/10/2026

Mfr. Part No.
DC103G9G

Mouser Part No
803-DC103G9G

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

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Datasheet

127In Stock

2,000Expected 27/10/2026

$0.92

$0.867

$0.72

$0.677

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

DC103J2K
Littelfuse
1: $0.89
400In Stock

Mfr. Part No.
DC103J2K

Mouser Part No
803-DC103J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

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Datasheet

400In Stock

$0.89

$0.841

$0.765

$0.725

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

DC303J2K
Littelfuse
1: $0.88
218In Stock

Mfr. Part No.
DC303J2K

Mouser Part No
803-DC303J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

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Datasheet

218In Stock

$0.88

$0.824

$0.772

$0.736

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

LC103J2G
Littelfuse
1: $1.48
45In Stock
250On Order

Mfr. Part No.
LC103J2G

Mouser Part No
803-LC103J2G

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS

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Datasheet

45In Stock

250On Order

$1.48

$1.41

$1.32

$1.26

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% DO-35

USUG1000-103G
Littelfuse
1: $1.15
65In Stock

Mfr. Part No.
USUG1000-103G

Mouser Part No
803-USUG1000-103G

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% DO-35

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Datasheet

65In Stock

$1.15

$1.10

$1.03

$0.979

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100 O HM 10% EPOXY BEAD

KC101B2K
Littelfuse
1: $2.06
310In Stock

Mfr. Part No.
KC101B2K

Mouser Part No
576-KC101B2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100 O HM 10% EPOXY BEAD

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Datasheet

310In Stock

$2.06

$1.96

$1.85

$1.76

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K O HM 10% EPOXY BEAD

KC103J2K
Littelfuse
1: $2.06
516In Stock

Mfr. Part No.
KC103J2K

Mouser Part No
576-KC103J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K O HM 10% EPOXY BEAD

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Datasheet

516In Stock

$2.06

$1.96

$1.85

$1.76

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 10% EPOXY BEAD

KC203J2K
Littelfuse
1: $2.06
188In Stock

Mfr. Part No.
KC203J2K

Mouser Part No
576-KC203J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 10% EPOXY BEAD

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Datasheet

188In Stock

$2.06

$1.96

$1.85

$1.76

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2.252M OHM EPOXY BEAD

KC222J2K
Littelfuse
1: $2.06
157In Stock

Mfr. Part No.
KC222J2K

Mouser Part No
576-KC222J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2.252M OHM EPOXY BEAD

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Datasheet

157In Stock

$2.06

$1.96

$1.85

$1.76

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 250VAC 250VDC FF L25S POWR-SPEED

L25S125.V
Littelfuse
1: $100.38
4In Stock

Mfr. Part No.
L25S125.V

Mouser Part No
576-L25S125.V

Littelfuse

Industrial & Electrical Fuses 125A 250VAC 250VDC FF L25S POWR-SPEED

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Datasheet

4In Stock

$100.38

$83.26

$76.78

$63.52

$58.48

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS040.T
Littelfuse
1: $60.20
3In Stock

Mfr. Part No.
L50QS040.T

Mouser Part No
576-L50QS040.T

Littelfuse

Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

3In Stock

$60.20

$54.23

$50.03

$39.14

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 70A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS070.T
Littelfuse
1: $70.56
11In Stock

Mfr. Part No.
L50QS070.T

Mouser Part No
576-L50QS070.T

Littelfuse

Industrial & Electrical Fuses 70A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

11In Stock

$70.56

$60.24

$57.60

$44.68

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses 225A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS225.V
Littelfuse
1: $147.20
3In Stock

Mfr. Part No.
L50QS225.V

Mouser Part No
576-L50QS225.V

Littelfuse

Industrial & Electrical Fuses 225A 500VAC 500VDC FF L50QS POWR-SPEED

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Datasheet

3In Stock

$147.20

$133.18

$122.81

$96.69

$91.05

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 35A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS035.V
Littelfuse
1: $103.78
8In Stock

Mfr. Part No.
L70QS035.V

Mouser Part No
576-L70QS035.V

Littelfuse

Industrial & Electrical Fuses 35A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

8In Stock

$103.78

$86.08

$79.39

$65.67

$60.46

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 400A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS400.X
Littelfuse
1: $256.42
4In Stock

Mfr. Part No.
L70QS400.X

Mouser Part No
576-L70QS400.X

Littelfuse

Industrial & Electrical Fuses 400A 700VAC 700VDC FF L70QS POWR-SPEED

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Datasheet

4In Stock

$256.42

$207.45

$195.40

$161.86

Min.: 1
Mult.: 1

Renewable Energy Solutions

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