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Contents

README

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0402L050SLKR

Littelfuse · Resettable Fuses · 0402

0402L050SLKR from Littelfuse, in a 0402. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 P1 passive PTC fuse terminal 1; non-polarized, interchangeable with terminal 2; device holds 0.50 A max at 20 °C and trips at 1.00 A min, rated 6 Vdc / 50 A max fault.
2 P2 passive PTC fuse terminal 2; non-polarized, interchangeable with terminal 1; device holds 0.50 A max at 20 °C and trips at 1.00 A min, rated 6 Vdc / 50 A max fault.

Key specifications

Parameter Value
Manufacturer Littelfuse
Package 0402
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: 0402L050SLKR
  • Footprint: Resistor_SMD:R_0402_1005Metric
  • 3D model: 0402 (KiCad packages3D, STEP)
  • 3D model files: 0402l050slkr-etched.step / 0402l050slkr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 0402l050slkr.step / 0402l050slkr.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (5 pp, sha256 6975d20c8325fb6d, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-sonnet-4-6 (text+vision), consensus claude-opus-4-7 (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