# MGCI1005T9N1ST-LF

**microgate** · Inductors (SMD) · 0402

MGCI1005T9N1ST-LF from microgate, 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 | microgate |
| 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 |
|---|---|---|---|---|---|---|---|
| Q Min (at 100 MHz) | Q | 9 |  |  |  | L test freq 100 MHz | 4 |
| SRF Min | SRF | 3200 |  |  | MHz |  | 4 |
| DCR Max | DCR |  |  | 0.42 | Ω |  | 4 |
| Rated current Max | Ir |  |  | 300 | mA |  | 4 |
| Inductance tolerance (code S) |  | -0.3 |  | 0.3 | nH | Tolerance code S = ±0.3 nH per part-numbering table | 1 |
| Nominal inductance | L |  | 9.1 |  | nH | L test freq 100 MHz | 4 |

## CAD (KiCad official)

- Symbol: `MGCI1005T9N1ST-LF`
- Footprint: `Inductor_SMD:L_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `mgci1005t9n1st-lf-etched.step` / `mgci1005t9n1st-lf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mgci1005t9n1st-lf.step` / `mgci1005t9n1st-lf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [microgate datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943867215286272) (8 pp, sha256 `78db86a73213798c`, retrieved 2026-10-18, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/mgci1005t9n1st-lf-datasheet.pdf)