# SML-D12Y8WT86C

**ROHM Semicon** · LED Indication - Discrete · 0603

SML-D12Y8WT86C from ROHM Semicon, in a 0603. 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.


::adom-states{src="/adom/sml-d12y8wt86c/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode electrode marked by the cathode index on the package; reverse voltage max 5 V and forward current max 20 mA (100 mA peak at duty 1/10, 1 kHz) for the yellow AlGaInP chip. |
| 2 | A | passive | Anode electrode; typical forward voltage 2.2 V at IF=20 mA, 20 mA max continuous forward current, 54 mW power dissipation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | 0603 |
| Category | Optoelectronics |
| 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 |
|---|---|---|---|---|---|---|---|
| Dominant wavelength (Yellow, Y type) | λD | 587 | 590 | 593 | nm |  | 1 |
| Luminous intensity (Yellow, Y type) | IV | 25 | 63 |  | mcd |  | 1 |
| Dominant wavelength measurement tolerance | λD | -1 |  | 1 | nm | Measurement tolerance ±1nm (footnote *2) | 1 |
| Luminous intensity measurement tolerance | IV | -10 |  | 10 | % | Measurement tolerance ±10% (rank table footnote) | 4 |
| Peak forward current | IFP |  |  | 100 | mA | Duty 1/10, 1kHz | 1 |
| Operating temperature | Topr | -40 |  | 100 | ºC |  | 1 |

## CAD (KiCad official)

- Symbol: `SML-D12Y8WT86C`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `sml-d12y8wt86c-etched.step` / `sml-d12y8wt86c-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sml-d12y8wt86c.step` / `sml-d12y8wt86c.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ROHM Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603069441743728640) (11 pp, sha256 `67fc0111b2c35724`, retrieved 2026-10-18, 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/sml-d12y8wt86c-datasheet.pdf)