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Contents

README

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LQM21PN4R7MGRD

Murata Electronics · Inductors (SMD) · 0805

LQM21PN4R7MGRD from Murata Electronics, in a 0805. 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 the 4.7 µH ±20% chip inductor, rated 0.8 A at 85°C and 0.6 A at 125°C, with DC resistance 0.23 Ω ±25% across the two terminals.
2 2 passive Terminal 2 of the 4.7 µH ±20% chip inductor, with self-resonant frequency 30 MHz min. and self-heating limited to a 40°C max. rise at rated current.

Key specifications

Parameter Value
Manufacturer Murata Electronics
Package 0805
Category Inductors, Coils, Chokes
Pins 2

Electrical characteristics

Limits from the LCSC catalog entry for this part (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Inductance 4.7 µH nominal, catalog attribute (LCSC C86090) catalog
Tolerance -20 20 % catalog attribute (LCSC C86090) catalog
Rated current 800 mA catalog attribute (LCSC C86090) catalog

CAD (KiCad official)

  • Symbol: LQM21PN4R7MGRD
  • Footprint: Inductor_SMD:L_0805_2012Metric
  • 3D model: 0805 (KiCad packages3D, STEP)
  • 3D model files: lqm21pn4r7mgrd-etched.step / lqm21pn4r7mgrd-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lqm21pn4r7mgrd.step / lqm21pn4r7mgrd.glb are the bare package body.

Provenance

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

  • Datasheet: Murata Electronics datasheet (9 pp, sha256 f5f7a02198fb4548, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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