# LTST-C150KSKT

**Lite On** · LED Indication - Discrete · 1206

LTST-C150KSKT from Lite On, in a 1206. 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/ltst-c150kskt/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (−) soldering terminal, the end carrying the cathode marking on the package drawing; reverse voltage max 5 V. |
| 2 | A | passive | Anode (+) soldering terminal, the end opposite the cathode mark; forward voltage 1.80 to 2.40 V at IF = 20 mA, DC forward current max 30 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Lite On |
| Package | 1206 |
| 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 |
|---|---|---|---|---|---|---|---|
| Luminous Intensity | IV | 28 |  | 112 | mcd | IF = 20mA, Note 1 | 5 |
| Dominant Wavelength | λd | 587 |  | 594.5 | nm | IF = 20mA, Note 3 | 5 |
| Forward Voltage | VF | 1.8 |  | 2.4 | V | IF = 20mA | 5 |
| Forward Voltage (ESD damage check) | VF | 1.4 |  |  | V | @0.1mA, AlInGaP product | 11 |
| Power Dissipation |  |  |  | 75 | mW |  | 3 |
| Peak Forward Current |  |  |  | 80 | mA | 1/10 Duty Cycle, 0.1ms Pulse Width | 3 |
| DC Forward Current |  |  |  | 30 | mA |  | 3 |
| Reverse Voltage |  |  |  | 5 | V |  | 3 |
| Operating Temperature Range |  | -55 |  | 85 | °C |  | 3 |
| Storage Temperature Range |  | -55 |  | 85 | °C |  | 3 |
| Wave Soldering Condition |  |  |  | 260 | °C | For 5 Seconds | 3 |
| Infrared Soldering Condition |  |  |  | 260 | °C | For 5 Seconds | 3 |
| Vapor Phase Soldering Condition |  |  |  | 215 | °C | For 3 Minutes | 3 |
| Reflow soldering peak temperature (recommended) |  |  |  | 240 | °C | Reflow soldering; soldering time 10 sec max | 10 |
| Wave solder temperature (recommended) |  |  |  | 260 | °C | Solder wave; soldering time 10 sec max | 10 |
| Soldering iron temperature (recommended) |  |  |  | 300 | °C | Soldering iron; 3 sec max, one time only | 10 |

## CAD (KiCad official)

- Symbol: `LTST-C150KSKT`
- Footprint: `LED_SMD:LED_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `ltst-c150kskt-etched.step` / `ltst-c150kskt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ltst-c150kskt.step` / `ltst-c150kskt.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/8588899223681449984) (12 pp, sha256 `16d064f21da3e318`, retrieved 2026-10-19, 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/ltst-c150kskt-datasheet.pdf)