# XL-2012WYC

**XINGLIGHT** · LED Indication - Discrete · 0805

XL-2012WYC from XINGLIGHT, in a 0805. 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/xl-2012wyc/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (negative terminal) of the yellow LED, marked '-' in the polarity diagram; max continuous forward current 20 mA, max reverse voltage 5 V. |
| 2 | A | passive | Anode (positive terminal) of the yellow LED, marked '+' in the polarity diagram; VF 2.7-3.4 V at IF=20mA, max continuous forward current 20 mA, peak forward current 80 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XINGLIGHT |
| Package | 0805 |
| 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 |
|---|---|---|---|---|---|---|---|
| Max Power Dissipation | PD |  |  | 70 | mW |  | 3 |
| Max Continuous Forward Current | IF |  |  | 20 | mA |  | 3 |
| Peak Forward Current | IFP |  |  | 80 | mA | Pulse width ≤0.1ms, duty ≤1/10 | 3 |
| Max Reverse Voltage | VR |  |  | 5 | V |  | 3 |
| Antistatic ability (ESD) | ESD |  |  | 2000 | V |  | 3 |
| Operating Temperature Range | TOPR | -40 |  | 85 | °C |  | 3 |
| Storage Temperature Range | TSTR | -40 |  | 105 | °C |  | 3 |
| Lead Soldering Temperature/Time | TSOL |  |  | 260 | °C | ≤6S | 3 |
| Luminous Intensity | IV | 350 |  | 1000 | mcd | IF=20mA | 3 |
| Chromaticity coordinate X | X | 0.4752 |  | 0.5428 |  | IF=20mA | 3 |
| Chromaticity coordinate Y | Y | 0.406 |  | 0.4816 |  | IF=20mA | 3 |
| Forward Voltage | VF | 2.7 |  | 3.4 | V | IF=20mA | 3 |
| Reverse Current | IR |  |  | 1 | μA | VR=5V | 3 |
| Brightness error |  | -10 |  | 10 | % |  | 4 |
| Voltage error |  | -0.1 |  | 0.1 | V |  | 4 |
| XY coordinate error |  | -0.01 |  | 0.01 |  |  | 5 |

## CAD (KiCad official)

- Symbol: `XL-2012WYC`
- Footprint: `LED_SMD:LED_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `xl-2012wyc-etched.step` / `xl-2012wyc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xl-2012wyc.step` / `xl-2012wyc.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [XINGLIGHT datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757822956196651008) (15 pp, sha256 `8a66d8b36b8becc5`, retrieved 2026-10-17, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/xl-2012wyc-datasheet.pdf)