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Contents

README

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SMTC322512-4R7M

SXN Shun Xiang Nuo Elec · Power Inductors · 1210

SMTC322512-4R7M from SXN Shun Xiang Nuo Elec, in a 1210. 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 inductor or ferrite bead; either orientation.
2 2 passive Terminal 2 of an unpolarised inductor or ferrite bead; either orientation.

Key specifications

Parameter Value
Manufacturer SXN Shun Xiang Nuo Elec
Package 1210
Category Inductors, Coils, Chokes
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
DC resistance (DCR) DCR 115 135 mΩ 2
Inductance tolerance (M suffix) -20 20 % 1
Operating temperature -55 125 ℃ Including coil self-temperature rise 1
Saturation current (Isat) Isat 2.9 A Inductance drops 30% from its value without current 2
Heat rating current 2.3 A ΔT 40℃ (Ta=25℃) 2
Inductance (nominal) L 4.7 μH 1MHz 1.0V @0A 2

CAD (KiCad official)

  • Symbol: SMTC322512-4R7M
  • Footprint: Inductor_SMD:L_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: smtc322512-4r7m-etched.step / smtc322512-4r7m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smtc322512-4r7m.step / smtc322512-4r7m.glb are the bare package body.

Provenance

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

  • Datasheet: SXN Shun Xiang Nuo Elec datasheet (11 pp, sha256 d92cd7c456e7425d, retrieved 2026-10-17, 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, 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