# YWIF1005-R15K

**YJYCOIN** · Inductors (SMD) · 0402

YWIF1005-R15K from YJYCOIN, 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 | First terminal electrode of the 150 nH ±10% wire-wound inductor (Isat 630 mA max, Rdc 0.26 Ω max, SRF 1220 MHz min); the inductor is non-polarized. |
| 2 | 2 | passive | Second terminal electrode of the 150 nH ±10% wire-wound inductor (Isat 630 mA max, Rdc 0.26 Ω max, SRF 1220 MHz min); the inductor is non-polarized. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | YJYCOIN |
| 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 | 1220 |  |  | MHz |  | 2 |
| DC resistance | Rdc |  |  | 0.26 | Ω |  | 2 |
| Saturation DC current | Isat |  |  | 630 | mA | Inductance drop approximately 30% of L0 at Isat | 2 |
| Inductance tolerance (suffix K) |  | -10 |  | 10 | % |  | 1 |
| Inductance (nominal) | L |  | 150 |  | nH | Freq. 7.9 MHz | 2 |
| Operating temperature |  | -40 |  | 85 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `YWIF1005-R15K`
- Footprint: `Inductor_SMD:L_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `ywif1005-r15k-etched.step` / `ywif1005-r15k-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ywif1005-r15k.step` / `ywif1005-r15k.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [YJYCOIN datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603368102487085056) (5 pp, sha256 `bca9edd2a19d30dd`, retrieved 2026-10-21, 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](docs/ywif1005-r15k-datasheet.pdf)