# LTST-C190EKT

**Lite On** · LED Indication - Discrete · 0603

LTST-C190EKT from Lite On, 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.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (−) soldering terminal, the pad marked CATHODE with the T-shaped notch; reverse voltage 5 V max. |
| 2 | A | passive | Anode (+) soldering terminal of the GaAsP on GaP red LED, the plain rectangular pad opposite the marked cathode; continuous forward current 30 mA max, 120 mA peak (1/10 duty, 0.1 ms). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Lite On |
| Package | 0603 |
| Category | Optoelectronics |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `LTST-C190EKT`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `ltst-c190ekt-etched.step` / `ltst-c190ekt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ltst-c190ekt.step` / `ltst-c190ekt.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Lite On datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588931060227194880) (9 pp, sha256 `1311f00d2c201b8a`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/ltst-c190ekt-datasheet.pdf)