component
WI0402IFR33KST-HF
Public Made by Adomby adom
DDY Inductors (SMD), 0402. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownWI0402IFR33KST-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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wi0402ifr33kst-hf.step/wi0402ifr33kst-hf.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).