# YLED1206YG

**YONGYUTAI** · LED Indication - Discrete · 1206

YLED1206YG from YONGYUTAI, 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/yled1206yg/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode terminal per the diode symbol in the package drawing; reverse voltage must not exceed 5 V and the part is not designed for reverse operation. |
| 2 | A | passive | Anode (+) terminal, marked '+' on the package drawing; DC forward current max 20 mA, forward voltage 1.8-2.4 V at IF = 20 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | YONGYUTAI |
| 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 |
|---|---|---|---|---|---|---|---|
| Light Intensity | IV | 24 |  | 70 | mcd | IF = 20mA | 2 |
| Dominant Wavelength | λd | 568 |  | 576 | nm | IF = 20mA | 2 |
| Forward Voltage | VF | 1.8 |  | 2.4 | V | IF = 20mA | 2 |
| Reverse Current | IR |  |  | 5 | μA | VR = 5V | 2 |
| Power Dissipation | Pd |  |  | 48 | mW | Ta=25℃ | 2 |
| Peak Forward Current | IFP |  |  | 60 | mA | 1/10 duty cycle, 0.1ms pulse width | 2 |
| DC Forward Current | IF |  |  | 20 | mA |  | 2 |
| Operating Temperature Range | Topr | -40 |  | 105 | °C |  | 2 |
| Storage Temperature Range | Tstg | -40 |  | 85 | °C |  | 2 |
| Reflow Soldering Temperature | Tsol |  |  | 260 | °C | Reflow soldering, 10 s | 2 |
| Hand Soldering Temperature | Tsol |  |  | 300 | °C | Hand soldering, 3 s | 2 |
| Luminous Intensity Tolerance |  | -10 |  | 10 | % |  | 3 |
| Forward Voltage Tolerance | VF | -0.05 |  | 0.05 | V |  | 3 |
| Wavelength Tolerance |  | -0.5 |  | 0.5 | nm |  | 3 |

## CAD (KiCad official)

- Symbol: `YLED1206YG`
- Footprint: `LED_SMD:LED_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `yled1206yg-etched.step` / `yled1206yg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `yled1206yg.step` / `yled1206yg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [YONGYUTAI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603384318794616832) (10 pp, sha256 `138d3001b2079e11`, 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/yled1206yg-datasheet.pdf)