# NCD1608W1

**Foshan NationStar Optoelectronics** · LED Indication - Discrete · 0603

NCD1608W1 from Foshan NationStar Optoelectronics, 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/ncd1608w1/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (marked "-", green marker side); reverse voltage limited to VR 5 V max and forward current to IF 20 mA max (50 mA pulsed, ≤0.1 ms, duty ≤1/10). |
| 2 | A | passive | Anode (marked "+"); forward voltage 2.3 V min, 2.8 V typ, 3.4 V max at IF=5 mA, with IF 20 mA max. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Foshan NationStar Optoelectronics |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward Current | IF |  |  | 20 | mA |  | 1 |
| Pulse Forward Current | IFP |  |  | 50 | mA | Pulse width≤0.1ms, Duty≤1/10 | 1 |
| Reverse Voltage | VR |  |  | 5 | V |  | 1 |
| Operating Temperature | TOPR | -30 |  | 85 | °C |  | 1 |
| Storage Temperature | Tstg | -40 |  | 100 | °C |  | 1 |
| Power Dissipation | PD |  |  | 68 | mW |  | 1 |
| Reverse Current | IR |  |  | 10 | μA | VR=5V | 1 |
| Forward Voltage | VF | 2.3 | 2.8 | 3.4 | V | IF=5mA | 1 |
| Luminous Intensity | IV | 150 | 260 | 400 | mcd |  | 1 |
| Luminous Intensity bin tolerance | IV | -15 |  | 15 | % | Tolerance on each luminous intensity bin (Note 1) | 1 |
| Forward Voltage bin tolerance | VF | -0.1 |  | 0.1 | V | Tolerance on each forward voltage bin (Note 1) | 1 |
| Hue (X,Y) bin tolerance | CIE-X, CIE-Y | -0.01 |  | 0.01 |  | Tolerance on each hue (X,Y) bin (Note 1) | 1 |
| Dominant Wavelength tolerance |  | -1 |  | 1 | nm | Tolerance of dominant wavelength (Note 1) | 1 |

## CAD (KiCad official)

- Symbol: `NCD1608W1`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `ncd1608w1-etched.step` / `ncd1608w1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ncd1608w1.step` / `ncd1608w1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Foshan NationStar Optoelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757972903936188416) (2 pp, sha256 `4acc0c9e84e420f8`, 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/ncd1608w1-datasheet.pdf)