# LTST-C150KFKT

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

LTST-C150KFKT 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-c150kfkt/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (-) soldering terminal, the end marked CATHODE on the package drawing; reverse voltage max 5 V and reverse current max 10 μA at VR = 5 V. |
| 2 | A | passive | Anode (+) soldering terminal, the end opposite the cathode mark; DC forward current max 30 mA, peak forward current 80 mA (1/10 duty, 0.1 ms), forward voltage 2.0 V min to 2.4 V max at IF = 20 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 |
|---|---|---|---|---|---|---|---|
| Power Dissipation |  |  |  | 75 | mW | Ta=25°C | 3 |
| Peak Forward Current |  |  |  | 80 | mA | 1/10 duty cycle, 0.1 ms pulse width; Ta=25°C | 3 |
| DC Forward Current |  |  |  | 30 | mA | Ta=25°C | 3 |
| Reverse Voltage |  |  |  | 5 | V | Ta=25°C | 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 |
| Luminous Intensity | IV | 45 | 90 |  | mcd | IF = 20mA; Note 1 | 5 |
| Forward Voltage | VF |  | 2 | 2.4 | V | IF = 20mA | 5 |
| Reverse Current | IR |  |  | 10 | μA | VR = 5V | 5 |
| Forward Voltage (ESD damage check) | VF | 1.4 |  |  | V | IF = 0.1mA; AlInGaP product; ESD-damage screening | 11 |
| Reflow Soldering Peak Temperature |  |  |  | 240 | °C | Reflow soldering; soldering time 10 sec. Max. | 10 |
| Wave Soldering Solder Wave Temperature |  |  |  | 260 | °C | Wave soldering; soldering time 10 sec. Max. | 10 |
| Soldering Iron Temperature |  |  |  | 300 | °C | Soldering iron; soldering time 3 sec. Max. (one time only) | 10 |

## CAD (KiCad official)

- Symbol: `LTST-C150KFKT`
- Footprint: `LED_SMD:LED_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `ltst-c150kfkt-etched.step` / `ltst-c150kfkt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ltst-c150kfkt.step` / `ltst-c150kfkt.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/8588944916692520960) (12 pp, sha256 `cc056b2839adbfc7`, retrieved 2026-10-17, 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-c150kfkt-datasheet.pdf)