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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 #

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R

GS501D1K
Littelfuse
1: $3.63
101In Stock
500Expected 18/6/2026

Mfr. Part No.
GS501D1K

Mouser Part No
576-GS501D1K

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R

Datasheet

101In Stock

500Expected 18/6/2026

$3.63

$3.43

$3.34

$1.64

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

LC303J2K
Littelfuse
1: $2.36
498In Stock

Mfr. Part No.
LC303J2K

Mouser Part No
576-LC303J2K

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

Datasheet

498In Stock

$2.36

$1.78

$1.42

$1.33

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Min.: 1
Mult.: 1

Specialty Fuses 350A 700V SIZE 31 Flush End Mtrc Thred

PSR031FL0350Z
Littelfuse
1: $352.80
1In Stock

Mfr. Part No.
PSR031FL0350Z

Mouser Part No
576-PSR031FL0350Z

Specialty Fuses 350A 700V SIZE 31 Flush End Mtrc Thred

Datasheet

1In Stock

$352.80

$306.72

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors UL-RATED NTC THERM 50K OHM 10% DO35

USUG1000-503K
Littelfuse
1: $2.09
500In Stock

Mfr. Part No.
USUG1000-503K

Mouser Part No
576-USUG1000-503K

NTC (Negative Temperature Coefficient) Thermistors UL-RATED NTC THERM 50K OHM 10% DO35

Datasheet

500In Stock

$2.09

$1.57

$1.26

$0.791

Min.: 1
Mult.: 1

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A

L75QS090.V
Littelfuse
1: $174.50
7In Stock

Mfr. Part No.
L75QS090.V

Mouser Part No
576-L75QS090.V

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A

Datasheet

7In Stock

$174.50

$144.67

$133.41

$121.56

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Min.: 1
Mult.: 1

Specialty Fuses 300A 150VAC 100VDC FF L15S POWR-SPEED

L15S300.T
Littelfuse
1: $101.69
7In Stock

Mfr. Part No.
L15S300.T

Mouser Part No
576-L15S300.T

Specialty Fuses 300A 150VAC 100VDC FF L15S POWR-SPEED

Datasheet

7In Stock

$101.69

$101.66

$77.78

$76.99

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Min.: 1
Mult.: 1

Specialty Fuses 150A 500VAC 450VDC FF L50S POWR-SPEED

L50S150.V
Littelfuse
1: $145.52
4In Stock

Mfr. Part No.
L50S150.V

Mouser Part No
576-L50S150.V

Specialty Fuses 150A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

4In Stock

$145.52

$115.31

$106.43

$99.48

$97.56

Min.: 1
Mult.: 1

Specialty Fuses 500A 500VAC 450VDC FF L50S POWR-SPEED

L50S500.X
Littelfuse
1: $314.53
4In Stock

Mfr. Part No.
L50S500.X

Mouser Part No
576-L50S500.X

Specialty Fuses 500A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

4In Stock

$314.53

$240.61

$232.28

$222.25

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Min.: 1
Mult.: 1

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

KC103J2K
Littelfuse
1: $2.75
558In Stock

Mfr. Part No.
KC103J2K

Mouser Part No
576-KC103J2K

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

Datasheet

558In Stock

$2.75

$2.63

$2.45

$2.31

View

Min.: 1
Mult.: 1

Specialty Fuses 125A 700VAC SIZE 30 POWER-SPEED FLUSH M

PSR030FL0125Z
Littelfuse
1: $253.44
9In Stock

Mfr. Part No.
PSR030FL0125Z

Mouser Part No
576-PSR030FL0125Z

Specialty Fuses 125A 700VAC SIZE 30 POWER-SPEED FLUSH M

Datasheet

9In Stock

$253.44

$253.42

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Min.: 1
Mult.: 1

Specialty Fuses 280A 1000V SIZE 70 Flush End Mtrc Thred

PSR070FL0280Z
Littelfuse
1: $476.77
3In Stock

Mfr. Part No.
PSR070FL0280Z

Mouser Part No
576-PSR070FL0280Z

Specialty Fuses 280A 1000V SIZE 70 Flush End Mtrc Thred

Datasheet

3In Stock

$476.77

$476.67

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Min.: 1
Mult.: 1

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

LC103J2J
Littelfuse
1: $2.39
1,230In Stock

Mfr. Part No.
LC103J2J

Mouser Part No
803-LC103J2J

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

Datasheet

1,230In Stock

$2.39

$1.79

$1.45

$1.35

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD

KC102F2K
Littelfuse
1: $2.77
931In Stock

Mfr. Part No.
KC102F2K

Mouser Part No
576-KC102F2K

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD

Datasheet

931In Stock

$2.77

$2.64

$2.47

$2.34

View

Min.: 1
Mult.: 1

Specialty Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS050.T
Littelfuse
1: $53.99
28In Stock

Mfr. Part No.
L50QS050.T

Mouser Part No
576-L50QS050.T

Specialty Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED

Datasheet

28In Stock

$53.99

$47.93

$46.76

$45.55

View

Min.: 1
Mult.: 1

Specialty Fuses 250A 700VAC SIZE 30 POWER-SPEED FLUSH M

PSR030FL0250Z
Littelfuse
1: $253.27
6In Stock

Mfr. Part No.
PSR030FL0250Z

Mouser Part No
576-PSR030FL0250Z

Specialty Fuses 250A 700VAC SIZE 30 POWER-SPEED FLUSH M

Datasheet

6In Stock

$253.27

$226.85

$218.67

$194.46

Min.: 1
Mult.: 1

Specialty Fuses 400A 1250VAC SIZE 71 POWER-SPEED FLUSH M

PSR071FL0400Z
Littelfuse
1: $337.53
4In Stock

Mfr. Part No.
PSR071FL0400Z

Mouser Part No
576-PSR071FL0400Z

Specialty Fuses 400A 1250VAC SIZE 71 POWER-SPEED FLUSH M

Datasheet

4In Stock

$337.53

$330.79

$329.30

Min.: 1
Mult.: 1

Specialty Fuses 800A 150VAC 100VDC FF L15S POWR-SPEED

L15S800.V
Littelfuse
1: $206.97
7In Stock

Mfr. Part No.
L15S800.V

Mouser Part No
576-L15S800.V

Specialty Fuses 800A 150VAC 100VDC FF L15S POWR-SPEED

Datasheet

7In Stock

$206.97

$206.86

$160.16

$150.04

View

Min.: 1
Mult.: 1

Specialty Fuses 225A 500VAC 450VDC FF L50S POWR-SPEED

L50S225.V
Littelfuse
1: $192.14
4In Stock

Mfr. Part No.
L50S225.V

Mouser Part No
576-L50S225.V

Specialty Fuses 225A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

4In Stock

$192.14

$161.05

$150.48

$136.29

View

Min.: 1
Mult.: 1

Specialty Fuses 450A 500VAC 450VDC FF L50S POWR-SPEED

L50S450.X
Littelfuse
1: $314.56
1In Stock

Mfr. Part No.
L50S450.X

Mouser Part No
576-L50S450.X

Specialty Fuses 450A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

1In Stock

$314.56

$263.32

$258.21

$256.83

View

Min.: 1
Mult.: 1

Specialty Fuses 35A 500VAC 450VDC FF L50S POWR-SPEED

L50S035.T
Littelfuse
1: $90.78
4In Stock

Mfr. Part No.
L50S035.T

Mouser Part No
576-L50S035.T

Specialty Fuses 35A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

4In Stock

$90.78

$70.96

$68.18

$65.25

View

Min.: 1
Mult.: 1

Specialty Fuses 15A 700VAC 650VDC FF L70S POWR-SPEED

L70S015.T
Littelfuse
1: $67.90
2In Stock

Mfr. Part No.
L70S015.T

Mouser Part No
576-L70S015.T

Specialty Fuses 15A 700VAC 650VDC FF L70S POWR-SPEED

Datasheet

2In Stock

$67.90

$53.17

$50.94

$49.98

View

Min.: 1
Mult.: 1

Specialty Fuses 25A 500VAC 450VDC FF L50S POWR-SPEED

L50S025.T
Littelfuse
1: $57.05
2In Stock

Mfr. Part No.
L50S025.T

Mouser Part No
576-L50S025.T

Specialty Fuses 25A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

2In Stock

$57.05

$43.79

$41.81

$39.98

View

Min.: 1
Mult.: 1

Specialty Fuses 125A 700VAC 650VDC FF L70S POWR-SPEED

L70S125.V
Littelfuse
1: $218.34
10In Stock

Mfr. Part No.
L70S125.V

Mouser Part No
576-L70S125.V

Specialty Fuses 125A 700VAC 650VDC FF L70S POWR-SPEED

Datasheet

10In Stock

$218.34

$167.47

$162.57

$160.95

Min.: 1
Mult.: 1

Specialty Fuses 350A 500VAC 450VDC FF L50S POWR-SPEED

L50S350.V
Littelfuse
1: $192.14
4In Stock

Mfr. Part No.
L50S350.V

Mouser Part No
576-L50S350.V

Specialty Fuses 350A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

4In Stock

$192.14

$157.38

$148.95

$143.70

$142.25

Min.: 1
Mult.: 1

Specialty Fuses 90A 500VAC 450VDC FF L50S POWR-SPEED

L50S090.T
Littelfuse
1: $96.66
1In Stock

Mfr. Part No.
L50S090.T

Mouser Part No
576-L50S090.T

Specialty Fuses 90A 500VAC 450VDC FF L50S POWR-SPEED

Datasheet

1In Stock

$96.66

$79.99

$75.14

$74.20

View

Min.: 1
Mult.: 1