# SML-310VTT86

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

SML-310VTT86 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-310vtt86/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode terminal, marked by the cathode mark on the package; reverse voltage max 4 V, forward current max 20 mA, typical VF 2.0 V at IF=20 mA. |
| 2 | A | passive | Anode terminal on the side opposite the cathode mark; forward current max 20 mA (peak 60 mA at duty ≦1/5, pulse width ≦1 ms), typical VF 2.0 V at IF=20 mA. |

## 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature | Topr | -30 |  | 85 | °C | Ta=25℃ table; values as printed in Absolute Maximum Ratings | 1 |
| Storage temperature | Tstg | -40 |  | 85 | °C | Ta=25℃ table; values as printed in Absolute Maximum Ratings | 1 |
| Reverse voltage | VR |  |  | 4 | V | Ta=25℃ table; value taken from the shared column for all colors | 1 |

## CAD (KiCad official)

- Symbol: `SML-310VTT86`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `sml-310vtt86-etched.step` / `sml-310vtt86-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sml-310vtt86.step` / `sml-310vtt86.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/8588899170921164800) (3 pp, sha256 `b1e7b0c8e9a4db6e`, 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/sml-310vtt86-datasheet.pdf)