component
WI0402IFR22KST-HF
Public Made by Adomby adom
DDY Inductors (SMD), 0402. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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WI0402IFR22KST-HF
DDY · Inductors (SMD) · 0402
WI0402IFR22KST-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 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 | 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 |
|---|---|---|---|---|---|---|---|
| Self-resonant frequency (SRF) min | SRF | 1150 | MHz | 5 | |||
| DC resistance (Rdc) max | Rdc | 0.53 | Ω | 5 | |||
| Saturation DC current (Isat) max | Isat | 380 | mA | 5 | |||
| Inductance tolerance (K, ±10%) | -10 | 10 | % | Tolerance code K (decoded from MPN position 5) | 4 | ||
| Operating temperature | -40 | 85 | ℃ | 4 | |||
| Storage temperature | -10 | 40 | ℃ | R.H.: 65% Max | 4 | ||
| Inductance (L) | L | 220 | nH | Freq 7.9 MHz | 5 |
CAD (KiCad official)
- Symbol:
WI0402IFR22KST-HF - Footprint:
Inductor_SMD:L_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files:
wi0402ifr22kst-hf-etched.step/wi0402ifr22kst-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wi0402ifr22kst-hf.step/wi0402ifr22kst-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 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).
# WI0402IFR22KST-HF
**DDY** · Inductors (SMD) · 0402
WI0402IFR22KST-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 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 | 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 |
|---|---|---|---|---|---|---|---|
| Self-resonant frequency (SRF) min | SRF | 1150 | | | MHz | | 5 |
| DC resistance (Rdc) max | Rdc | | | 0.53 | Ω | | 5 |
| Saturation DC current (Isat) max | Isat | | | 380 | mA | | 5 |
| Inductance tolerance (K, ±10%) | | -10 | | 10 | % | Tolerance code K (decoded from MPN position 5) | 4 |
| Operating temperature | | -40 | | 85 | ℃ | | 4 |
| Storage temperature | | -10 | | 40 | ℃ | R.H.: 65% Max | 4 |
| Inductance (L) | L | | 220 | | nH | Freq 7.9 MHz | 5 |
## CAD (KiCad official)
- Symbol: `WI0402IFR22KST-HF`
- Footprint: `Inductor_SMD:L_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `wi0402ifr22kst-hf-etched.step` / `wi0402ifr22kst-hf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wi0402ifr22kst-hf.step` / `wi0402ifr22kst-hf.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [DDY datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603062323053944832) (7 pp, sha256 `d1e80ea693aa6905`, retrieved 2026-10-18, 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](docs/wi0402ifr22kst-hf-datasheet.pdf)