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Contents

README

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WI1812PS561MST-HF

DDY · Inductors (SMD) · 1812

WI1812PS561MST-HF from DDY, in a 1812. 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 DDY
Package 1812
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
Quality factor Q (min) Q 40 Freq 1 MHz 5
Self-resonant frequency SRF (min) SRF 3 MHz 5
DC resistance Rdc (max) Rdc 6.1 Ω 5
DC current Idc (max) Idc 0.11 A Idc 15% 5
Inductance tolerance L -20 20 % Tolerance M ±20% 5
Operating temperature -40 125 ℃ 4
Storage temperature -10 40 ℃ R.H.: 65% Max 4
Nominal inductance L 560 µH Freq 1 MHz 5

CAD (KiCad official)

  • Symbol: WI1812PS561MST-HF
  • Footprint: Inductor_SMD:L_1812_4532Metric
  • 3D model: 1812 (KiCad packages3D, STEP)
  • 3D model files: wi1812ps561mst-hf-etched.step / wi1812ps561mst-hf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wi1812ps561mst-hf.step / wi1812ps561mst-hf.glb are the bare package body.

Provenance

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

  • Datasheet: DDY datasheet (7 pp, sha256 b6b51b5dbfb07d2c, retrieved 2026-10-21, 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