Circuit Protection – Mouser Singapore

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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 SENSOR

503JL1A
Littelfuse
1: $2.13
37In Stock

Mfr. Part No.
503JL1A

Mouser Part No
803-503JL1A

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

Datasheet

37In Stock

$2.13

$2.03

$1.90

$1.67

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 100K OHM 10%

LC104R2K
Littelfuse
1: $4.78
180In Stock

Mfr. Part No.
LC104R2K

Mouser Part No
803-LC104R2K

NTC (Negative Temperature Coefficient) Thermistors 100K OHM 10%

Datasheet

180In Stock

$4.78

$3.59

$3.42

$2.38

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

KC103J2F
Littelfuse
1: $5.62
4,419In Stock

Mfr. Part No.
KC103J2F

Mouser Part No
576-KC103J2F

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR

Datasheet

4,419In Stock

$5.62

$4.82

$4.52

$4.20

View

Min.: 1
Mult.: 1

Specialty Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A

PSR072DL0500X
Littelfuse
1: $590.62
7In Stock

Mfr. Part No.
PSR072DL0500X

Mouser Part No
576-PSR072DL0500X

Specialty Fuses POWR-SPEED SQB SIZE 72 DIN 110MM 500A

Datasheet

7In Stock

$590.62

$537.50

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Min.: 1
Mult.: 1

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A

L75QS125.V
Littelfuse
1: $209.60
62In Stock

Mfr. Part No.
L75QS125.V

Mouser Part No
576-L75QS125.V

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A

Datasheet

62In Stock

$209.60

$178.74

$168.51

$146.65

$132.97

Min.: 1
Mult.: 1

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

103JM1A
Littelfuse
1: $1.15
1,470In Stock

Mfr. Part No.
103JM1A

Mouser Part No
803-103JM1A

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

Datasheet

1,470In Stock

$1.15

$1.09

$1.02

$0.976

View

Min.: 1
Mult.: 1

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

GT103J1K
Littelfuse
1: $3.29
606In Stock

Mfr. Part No.
GT103J1K

Mouser Part No
576-GT103J1K

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

Datasheet

606In Stock

$3.29

$3.14

$2.92

$2.77

View

Min.: 1
Mult.: 1

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

View

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

View

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

View

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

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

LC103E2K
Littelfuse
1: $2.36
397In Stock

Mfr. Part No.
LC103E2K

Mouser Part No
576-LC103E2K

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

Datasheet

397In Stock

$2.36

$1.78

$1.42

$1.33

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 68K OHM 10% DO35

683N1G1K
Littelfuse
1: $2.09
30In Stock

Mfr. Part No.
683N1G1K

Mouser Part No
803-683N1G1K

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 68K OHM 10% DO35

Datasheet

30In Stock

$2.09

$1.57

$1.26

$1.18

View

Min.: 1
Mult.: 1

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A

L75QS090.V
Littelfuse
1: $174.50
6In Stock

Mfr. Part No.
L75QS090.V

Mouser Part No
576-L75QS090.V

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 90A

Datasheet

6In Stock

$174.50

$144.67

$133.41

$121.56

View

Min.: 1
Mult.: 1

Specialty Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A

PSR070UL0050Z
Littelfuse
1: $511.58
4In Stock

Mfr. Part No.
PSR070UL0050Z

Mouser Part No
576-PSR070UL0050Z

Specialty Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A

Datasheet

4In Stock

$511.58

$450.21

View

Min.: 1
Mult.: 1

Specialty Fuses SQB SIZE 1XL FLUSH 550A

PSX1XLFL0550X
Littelfuse
1: $859.02
1In Stock

Mfr. Part No.
PSX1XLFL0550X

Mouser Part No
576-PSX1XLFL0550X

Specialty Fuses SQB SIZE 1XL FLUSH 550A

Datasheet

1In Stock

$859.02

$789.31

$752.45

Quote

Min.: 1
Mult.: 1

Specialty Fuses SQB SIZE 1XL BOLTED BL 80A

PSX1XLUB0080X
Littelfuse
1: $501.14
2In Stock

Mfr. Part No.
PSX1XLUB0080X

Mouser Part No
576-PSX1XLUB0080X

Specialty Fuses SQB SIZE 1XL BOLTED BL 80A

Datasheet

2In Stock

$501.14

$417.24

$402.15

Min.: 1
Mult.: 1

Specialty Fuses 200A 700VAC 650VDC FF L70S POWR-SPEED

L70S200.V
Littelfuse
1: $173.04
12In Stock

Mfr. Part No.
L70S200.V

Mouser Part No
576-L70S200.V

Specialty Fuses 200A 700VAC 650VDC FF L70S POWR-SPEED

Datasheet

12In Stock

$173.04

$156.40

$148.80

$135.27

$124.52

Min.: 1
Mult.: 1

Specialty Fuses 35A 250VAC 250VDC FF L25S POWR-SPEED

L25S035.T
Littelfuse
1: $107.17
3In Stock

Mfr. Part No.
L25S035.T

Mouser Part No
576-L25S035.T

Specialty Fuses 35A 250VAC 250VDC FF L25S POWR-SPEED

Datasheet

3In Stock

$107.17

$101.41

$87.50

$86.22

View

Min.: 1
Mult.: 1

Specialty Fuses 40A 250VAC 250VDC FF L25S POWR-SPEED

L25S040.T
Littelfuse
1: $107.17
2In Stock

Mfr. Part No.
L25S040.T

Mouser Part No
576-L25S040.T

Specialty Fuses 40A 250VAC 250VDC FF L25S POWR-SPEED

Datasheet

2In Stock

$107.17

$88.56

$84.33

$81.19

$80.31

Min.: 1
Mult.: 1

Specialty Fuses 200A 250VAC 250VDC FF L25S POWR-SPEED

L25S200.V
Littelfuse
1: $128.27
1In Stock

Mfr. Part No.
L25S200.V

Mouser Part No
576-L25S200.V

Specialty Fuses 200A 250VAC 250VDC FF L25S POWR-SPEED

Datasheet

1In Stock

$128.27

$108.60

$102.39

$100.89

$99.87

Min.: 1
Mult.: 1

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

LC101B2K
Littelfuse
1: $2.36
357In Stock

Mfr. Part No.
LC101B2K

Mouser Part No
576-LC101B2K

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

Datasheet

357In Stock

$2.36

$1.78

$1.42

$1.33

View

Min.: 1
Mult.: 1

Specialty Fuses POWR-SPEED SQB Size 32 US LONG BL 400A

PSR032UL0400X
Littelfuse
1: $482.33
2In Stock

Mfr. Part No.
PSR032UL0400X

Mouser Part No
576-PSR032UL0400X

Specialty Fuses POWR-SPEED SQB Size 32 US LONG BL 400A

Datasheet

2In Stock

$482.33

$465.72

View

Min.: 1
Mult.: 1

Specialty Fuses POWR-SPEED SQB SIZE 70 US LONG BL 80A

PSR070UL0080Z
Littelfuse
1: $511.58
1In Stock

Mfr. Part No.
PSR070UL0080Z

Mouser Part No
576-PSR070UL0080Z

Specialty Fuses POWR-SPEED SQB SIZE 70 US LONG BL 80A

Datasheet

1In Stock

$511.58

$450.21

View

Min.: 1
Mult.: 1

Specialty Fuses 300A 250VAC 200VDC FF L25S POWR-SPEED

L25S300.V
Littelfuse
1: $170.54
2In Stock

Mfr. Part No.
L25S300.V

Mouser Part No
576-L25S300.V

Specialty Fuses 300A 250VAC 200VDC FF L25S POWR-SPEED

Datasheet

2In Stock

$170.54

$140.74

$132.86

$129.84

$128.53

Min.: 1
Mult.: 1