# NCD1608A1

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

NCD1608A1 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/ncd1608a1/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (negative terminal, marked with green cathode mark on the package); reverse voltage limited to VR 5 V max and forward current to IF 20 mA max. |
| 2 | A | passive | Anode (positive terminal); forward voltage 2.8 V typ (2.3 to 3.4 V) at IF=10 mA, with 20 mA max continuous forward current and 50 mA pulse (<=0.1 ms, duty <=1/10). |

## 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 | ℃ |  | 1 |
| Storage Temperature | Tstg | -40 |  | 100 | ℃ |  | 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=10mA | 1 |
| Luminous Intensity | IV | 100 | 200 | 300 | mcd |  | 1 |

## CAD (KiCad official)

- Symbol: `NCD1608A1`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `ncd1608a1-etched.step` / `ncd1608a1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ncd1608a1.step` / `ncd1608a1.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/8757973125168406528) (2 pp, sha256 `0ca7f4ace847c7b3`, 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/ncd1608a1-datasheet.pdf)