# YLED0603W

**YONGYUTAI** · LED Indication - Discrete · 0603

YLED0603W from YONGYUTAI, 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.


::adom-states{src="/adom/yled0603w/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (-) of the white LED, marked 2 in the package drawing next to the green cathode mark; reverse voltage must not exceed 5V. |
| 2 | A | passive | Anode (+) of the white LED, marked 1 and + in the package drawing; DC forward current max 20 mA, VF 2.6 to 3.0 V at IF = 2mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | YONGYUTAI |
| Package | 0603 |
| 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 | Pd |  |  | 100 | mW | Ta=25°C | 2 |
| Peak Forward Current | IFP |  |  | 60 | mA | 1/10 duty cycle, 0.1 ms pulse width | 2 |
| DC Forward Current | IF |  |  | 20 | mA |  | 2 |
| Operating Temperature Range | Topr | -40 |  | 85 | °C |  | 2 |
| Storage Temperature Range | Tstg | -40 |  | 85 | °C |  | 2 |
| Soldering Condition, reflow | Tsol |  |  | 260 | °C | Reflow soldering, 10 s | 2 |
| Soldering Condition, hand | Tsol |  |  | 300 | °C | Hand soldering, 3 s | 2 |
| Reverse voltage when lighting or testing the LED | VR |  |  | 5 | V | Stated in cautions section 9.6, not to be exceeded | 8 |
| Luminous Intensity | IV | 70 |  | 175 | mcd | IF = 2mA | 2 |
| Forward Voltage | VF | 2.6 |  | 3 | V | IF = 2mA | 2 |
| Color Temperature | CCT | 40099 |  |  | K | IF = 2mA | 2 |
| Luminous Intensity tolerance |  | -10 |  | 10 | % | Bin specification note, brightness bin P24-P27 | 3 |
| Forward Voltage tolerance |  | -0.05 |  | 0.05 | V | Bin specification note, voltage bin VM-VP | 3 |
| CIE color coordinate tolerance |  | -0.005 |  | 0.005 |  | Bin specification note, color bin FK1-FK7 | 3 |
| Viewing Angle | 2θ1/2 |  | 120 |  | deg | IF = 2mA | 2 |
| CIE 1931 Coordinate X | X |  | 0.224 |  |  | IF = 2mA | 2 |
| CIE 1931 Coordinate Y | Y |  | 0.195 |  |  | IF = 2mA | 2 |
| Spectral Line Half-Width | Δλ |  | 15 |  | nm | IF = 2mA | 2 |

## CAD (KiCad official)

- Symbol: `YLED0603W`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `yled0603w-etched.step` / `yled0603w-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `yled0603w.step` / `yled0603w.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/8756907059532959744) (9 pp, sha256 `7055cdbf07dd227f`, 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/yled0603w-datasheet.pdf)