# SZYY0603W

**Yongyu Photoelectric** · LED Indication - Discrete · 0603

SZYY0603W from Yongyu Photoelectric, 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/szyy0603w/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode of the white LED, at the end of the diode symbol opposite the + mark; maximum reverse voltage VR is 5 V. |
| 2 | A | passive | Anode (+) of the white LED, marked + in the internal circuit diagram; drive through a series current-limiting resistor, with rated DC forward current IF 30 mA max and test current 5 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yongyu Photoelectric |
| 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 |  | 3 |
| Peak Forward Current | IFP |  |  | 60 | mA | 1/10 duty cycle, 0.1ms pulse width | 3 |
| DC Forward Current | IF |  |  | 30 | mA |  | 3 |
| Backward Voltage | VR |  |  | 5 | V |  | 3 |
| Operating Temperature Range | Topr | -40 |  | 85 | °C |  | 3 |
| Storage Temperature Range | Tstg | -40 |  | 85 | °C |  | 3 |
| Soldering Condition, reflow | Tsol |  |  | 260 | °C | Reflow soldering, 10 s | 3 |
| Soldering Condition, hand | Tsol |  |  | 300 | °C | Hand soldering, 3 s | 3 |
| Forward Voltage | VF | 2.6 | 3.1 |  | V | IF = 5mA | 3 |
| Backward Current | IR |  |  | 5 | μA | VR = 5V | 3 |
| Color Temperature | CCT | 100000 |  |  | K | IF = 5mA | 3 |
| Luminous Intensity Bin 1 | IV | 173 |  | 207 | mcd | Bin 1, IF = 5mA | 4 |
| Luminous Intensity Bin 2 | IV | 207 |  | 249 | mcd | Bin 2, IF = 5mA | 4 |
| Luminous Intensity Bin 3 | IV | 249 |  | 299 | mcd | Bin 3, IF = 5mA | 4 |
| Luminous Intensity Bin 4 | IV | 299 |  | 359 | mcd | Bin 4, IF = 5mA | 4 |
| Forward Voltage Bin 1 | VF | 2.7 |  | 2.8 | V | Bin 1, IF = 5mA | 4 |
| Forward Voltage Bin 2 | VF | 2.8 |  | 2.9 | V | Bin 2, IF = 5mA | 4 |
| Forward Voltage Bin 3 | VF | 2.9 |  | 3 | V | Bin 3, IF = 5mA | 4 |
| Forward Voltage Bin 4 | VF | 3 |  | 3.1 | V | Bin 4, IF = 5mA | 4 |
| Luminous Intensity tolerance | IV | -10 |  | 10 | % |  | 4 |
| Forward Voltage tolerance | VF | -0.05 |  | 0.05 | V |  | 4 |

## CAD (KiCad official)

- Symbol: `SZYY0603W`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `szyy0603w-etched.step` / `szyy0603w-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `szyy0603w.step` / `szyy0603w.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yongyu Photoelectric datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919440100089856) (11 pp, sha256 `c663b178e6b32e0e`, 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/szyy0603w-datasheet.pdf)