component

0402L010SLKR

Public Made by Adom

by adom

Littelfuse Resettable Fuses, 0402. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentcircuit protection0402l010slkrfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
0402l010slkr / README.md
History Download
Ray Publish 0.1.0 569337b 2d ago

0402L010SLKR

Littelfuse · Resettable Fuses · 0402

0402L010SLKR from Littelfuse, in a 0402. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive Terminal 1 of an unpolarised fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

Key specifications

Parameter Value
Manufacturer Littelfuse
Package 0402
Category Circuit Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Minimum resistance (initial, R min) Rmin 0.15 Ω 0402L010SL row, Electrical Characteristics table 2
Maximum resistance (initial, R1max) R1max 2 Ω 0402L010SL row, Electrical Characteristics table 2
Maximum voltage rating (Vmax) Vmax 6 Vdc 0402L010SL row 2
Maximum fault current (Imax) Imax 40 A 0402L010SL row 2
Maximum time-to-trip 1 s At 0.50 A (current/time pair printed in Maximum Time-To-Trip columns) 2
Operating temperature -40 85 °C Environmental Specifications: Operating Temperature 4
Maximum device surface temperature in tripped state 125 °C Tripped state 4
Passive aging resistance change -10 10 % +85°C, 1000 hours; typical resistance change 4
Humidity aging resistance change -15 15 % +85°C, 85% R.H., 100 hours; typical resistance change 4
Thermal shock resistance change -30 % MIL-STD-202 Method 107, +85°C/-40°C 20 times; typical resistance change 4
Hold current Ihold 0.1 A 0402L010SL row 2
Trip current Itrip 0.3 A 0402L010SL row 2
Typical power dissipation Pd 0.5 W 0402L010SL row 2
Hold current temperature rerating Ihold 0.14 A Ambient -40°C (reference only) 3
Hold current temperature rerating Ihold 0.13 A Ambient -20°C (reference only) 3
Hold current temperature rerating Ihold 0.11 A Ambient 0°C (reference only) 3
Hold current temperature rerating Ihold 0.1 A Ambient 20°C (reference only) 3
Hold current temperature rerating Ihold 0.09 A Ambient 40°C (reference only) 3
Hold current temperature rerating Ihold 0.07 A Ambient 60°C (reference only) 3
Hold current temperature rerating Ihold 0.06 A Ambient 70°C (reference only) 3
Hold current temperature rerating Ihold 0.05 A Ambient 85°C (reference only) 3

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts Copper Terminal Material Solder-Plated Copper 4

CAD (KiCad official)

  • Symbol: 0402L010SLKR
  • Footprint: Fuse:Fuse_0402_1005Metric
  • 3D model: 0402 (KiCad packages3D, STEP)
  • 3D model files: 0402l010slkr-etched.step / 0402l010slkr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 0402l010slkr.step / 0402l010slkr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Littelfuse datasheet (8 pp, sha256 ba01087abeed0a81, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF