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LR2512-22R005F4

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RALEC Current Sense Resistors/Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LR2512-22R005F4

RALEC · Current Sense Resistors/Shunt Resistors · 2512

LR2512-22R005F4 from RALEC, in a 2512. 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 Resistor terminal 1 of the 2-terminal LR2512 metal alloy 5mΩ ±1% 2W current-sense resistor, non-polarized and interchangeable with terminal 2.
2 2 passive Resistor terminal 2 of the 2-terminal LR2512 metal alloy 5mΩ ±1% 2W current-sense resistor, non-polarized and interchangeable with terminal 1.

Key specifications

Parameter Value
Manufacturer RALEC
Package 2512
Category Resistors
Pins 2

CAD (KiCad official)

  • Symbol: LR2512-22R005F4
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: lr2512-22r005f4-etched.step / lr2512-22r005f4-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lr2512-22r005f4.step / lr2512-22r005f4.glb are the bare package body.

Provenance

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

  • Datasheet: RALEC datasheet (27 pp, sha256 e3e016cf625843e0, retrieved 2026-10-19, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-5-5 (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