component

WI0402IFR33KST-HF

Public Made by Adom

by adom

DDY Inductors (SMD), 0402. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentinductors, coils, chokeswi0402ifr33kst-hffactory-2.0.0extractor-text
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WI0402IFR33KST-HF

DDY · Inductors (SMD) · 0402

WI0402IFR33KST-HF from DDY, in a 0402. 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 wire-wound chip inductor (tin terminal); WI0402IFR33KST-HF is 330 nH ±10% at 7.9 MHz, Rdc 0.56 Ω max, Isat 350 mA max, SRF 820 MHz min.
2 2 passive Terminal 2 of the wire-wound chip inductor (tin terminal); non-polarized, interchangeable with terminal 1, operating temperature -40℃ to +85℃.

Key specifications

Parameter Value
Manufacturer DDY
Package 0402
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
SRF (self-resonant frequency), minimum SRF 820 MHz 5
DC resistance (Rdc), maximum Rdc 0.56 Ω 5
Saturation DC current (Isat), maximum Isat 350 mA Inductance drop approximately 30% of L0 at Isat 5
Operating temperature -40 85 °C 4
Inductance tolerance (code K, ±10%) -10 10 % 4
Inductance (nominal, 0.33 µH as 330 nH) L 330 nH Freq 7.9 MHz 5

CAD (KiCad official)

  • Symbol: WI0402IFR33KST-HF
  • Footprint: Inductor_SMD:L_0402_1005Metric
  • 3D model: 0402 (KiCad packages3D, STEP)
  • 3D model files: wi0402ifr33kst-hf-etched.step / wi0402ifr33kst-hf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wi0402ifr33kst-hf.step / wi0402ifr33kst-hf.glb are the bare package body.

Provenance

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

  • Datasheet: DDY datasheet (7 pp, sha256 d1e80ea693aa6905, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+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