Circuit Protection – Mouser United Kingdom

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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 NTC THERMISTOR

DC102F2K
Littelfuse
1: £0.773
532In Stock

Mfr. Part No.
DC102F2K

Mouser Part No
803-DC102F2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

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Datasheet

532In Stock

£0.773

£0.729

£0.641

£0.602

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Min.: 1
Mult.: 1

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

GS501D1K
Littelfuse
1: £1.96
101In Stock
500Expected 18/06/2026

Mfr. Part No.
GS501D1K

Mouser Part No
576-GS501D1K

Littelfuse

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

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Datasheet

101In Stock

500Expected 18/06/2026

£1.96

£1.85

£1.80

£0.882

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

LC303J2K
Littelfuse
1: £1.27
498In Stock

Mfr. Part No.
LC303J2K

Mouser Part No
576-LC303J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR

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Datasheet

498In Stock

£1.27

£0.96

£0.766

£0.72

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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: £1.13
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

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Datasheet

500In Stock

£1.13

£0.849

£0.68

£0.427

Min.: 1
Mult.: 1

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

KC102F2K
Littelfuse
1: £1.78
931In Stock

Mfr. Part No.
KC102F2K

Mouser Part No
576-KC102F2K

Littelfuse

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

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Datasheet

931In Stock

£1.78

£1.48

£1.36

£1.29

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Min.: 1
Mult.: 1

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

LC103J2J
Littelfuse
1: £1.29
1,230In Stock

Mfr. Part No.
LC103J2J

Mouser Part No
803-LC103J2J

Littelfuse

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

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Datasheet

1,230In Stock

£1.29

£0.969

£0.78

£0.728

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 80A

PSX1XLDB0080X
Littelfuse
1: £250.79
15In Stock

Mfr. Part No.
PSX1XLDB0080X

Mouser Part No
576-PSX1XLDB0080X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 1XL DIN BL 80A

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Datasheet

15In Stock

£250.79

£236.84

£208.99

Min.: 1
Mult.: 1

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

GT102B1K
Littelfuse
1: £1.34
3,501In Stock

Mfr. Part No.
GT102B1K

Mouser Part No
576-GT102B1K

Littelfuse

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

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Datasheet

3,501In Stock

£1.34

£1.27

£1.13

£1.10

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Min.: 1
Mult.: 1

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1000A

PSX3XLDB1000X
Littelfuse
1: £687.85
5In Stock
82Expected 17/03/2026

Mfr. Part No.
PSX3XLDB1000X

Mouser Part No
576-PSX3XLDB1000X

Littelfuse

Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1000A

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Datasheet

5In Stock

82Expected 17/03/2026

£687.85

£649.60

£573.24

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 10% GLASS BEAD

GR102F1K
Littelfuse
1: £0.593
383In Stock

Mfr. Part No.
GR102F1K

Mouser Part No
576-GR102F1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 10% GLASS BEAD

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Datasheet

383In Stock

£0.593

£0.557

£0.522

£0.497

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3435 10K 10%

GR103E1K
Littelfuse
1: £0.533
412In Stock

Mfr. Part No.
GR103E1K

Mouser Part No
576-GR103E1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3435 10K 10%

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Datasheet

412In Stock

£0.533

£0.501

£0.47

£0.448

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 100K 10%

GS104J1K
Littelfuse
1: £0.978
454In Stock

Mfr. Part No.
GS104J1K

Mouser Part No
576-GS104J1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 100K 10%

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Datasheet

454In Stock

£0.978

£0.925

£0.871

£0.834

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Min.: 1
Mult.: 1

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

GT202F1K
Littelfuse
1: £1.09
456In Stock
1,000Expected 14/04/2026

Mfr. Part No.
GT202F1K

Mouser Part No
576-GT202F1K

Littelfuse

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

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Datasheet

456In Stock

1,000Expected 14/04/2026

£1.09

£1.04

£0.969

£0.934

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Min.: 1
Mult.: 1

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

102PS1G
Littelfuse
1: £1.48
447In Stock

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

447In Stock

£1.48

£1.42

£1.34

£1.27

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Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 1kOhm 5%

102PS1J
Littelfuse
1: £1.11
1,163In Stock

Mfr. Part No.
102PS1J

Mouser Part No
803-102PS1J

Littelfuse

PTC (Positive Temperature Coefficient) Thermistors 1kOhm 5%

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Datasheet

1,163In Stock

£1.11

£1.06

£0.995

£0.952

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Min.: 1
Mult.: 1

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

103JL1A
Littelfuse
1: £0.728
600In 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

600In Stock

£0.728

£0.69

£0.647

£0.618

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Min.: 1
Mult.: 1

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

104JG1H
Littelfuse
1: £0.593
249In Stock

Mfr. Part No.
104JG1H

Mouser Part No
803-104JG1H

Littelfuse

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

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Datasheet

249In Stock

£0.593

£0.557

£0.522

£0.493

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Min.: 1
Mult.: 1

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

104JL1A
Littelfuse
1: £1.07
1,364In 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

1,364In Stock

£1.07

£1.01

£0.952

£0.917

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Min.: 1
Mult.: 1

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

202PS1J
Littelfuse
1: £3.29
272In 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

272In Stock

£3.29

£2.95

£2.82

£2.67

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Min.: 1
Mult.: 1

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

203JL1A
Littelfuse
1: £1.07
476In 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

476In Stock

£1.07

£1.01

£0.952

£0.917

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Min.: 1
Mult.: 1

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

302JH1K
Littelfuse
1: £0.443
649In 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

649In Stock

£0.443

£0.42

£0.393

£0.374

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Min.: 1
Mult.: 1

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

501FH1K
Littelfuse
1: £0.465
281In Stock

Mfr. Part No.
501FH1K

Mouser Part No
803-501FH1K

Littelfuse

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

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Datasheet

281In Stock

£0.465

£0.437

£0.409

£0.384

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Min.: 1
Mult.: 1

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

AC103J2F
Littelfuse
1: £0.834
6In 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

6In Stock

£0.834

£0.742

£0.672

£0.648

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Min.: 1
Mult.: 1

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

DC103G9G
Littelfuse
1: £0.555
1,377In Stock

Mfr. Part No.
DC103G9G

Mouser Part No
803-DC103G9G

Littelfuse

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

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Datasheet

1,377In Stock

£0.555

£0.523

£0.49

£0.467

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

DC103J2K
Littelfuse
1: £0.646
450In Stock

Mfr. Part No.
DC103J2K

Mouser Part No
803-DC103J2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

Learn More

Datasheet

450In Stock

£0.646

£0.608

£0.569

£0.538

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Min.: 1
Mult.: 1

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