# SMMS201208-1R0M

**SXN Shun Xiang Nuo Elec** · Power Inductors · 0805

SMMS201208-1R0M from SXN Shun Xiang Nuo Elec, in a 0805. 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 | SXN Shun Xiang Nuo Elec |
| Package | 0805 |
| 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 |
|---|---|---|---|---|---|---|---|
| Inductance | L |  | 1 |  | μH | 1MHz 1.0V, @0A; electrical specifications at 25℃ | 2 |
| Inductance tolerance (suffix M) |  | -20 |  | 20 | % | Tol ±20% for suffix M; electrical specifications at 25℃ | 2 |
| DC resistance (DCR) | DCR |  | 55 | 70 | mΩ | Electrical specifications at 25℃ | 2 |
| Saturation current | Isat |  | 4 |  | A | DC current at which inductance drops 30% from its value without current | 2 |
| Heat rating current |  |  | 3.3 |  | A | Actual DC current when temperature rise ΔT 40℃ (Ta=25℃) | 2 |
| Operating temperature |  | -55 |  | 125 | ℃ | Including coil self-temperature rise | 1 |

## CAD (KiCad official)

- Symbol: `SMMS201208-1R0M`
- Footprint: `Inductor_SMD:L_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `smms201208-1r0m-etched.step` / `smms201208-1r0m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smms201208-1r0m.step` / `smms201208-1r0m.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SXN Shun Xiang Nuo Elec datasheet](docs/smms201208-1r0m-datasheet.pdf) (9 pp, sha256 `87e02bd028c96078`, retrieved 2026-10-17, 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/smms201208-1r0m-datasheet.pdf)