# NCD0603B3

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

NCD0603B3 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/ncd0603b3/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (negative terminal, marked by the cathode mark on the package); reverse voltage limited to VR 5 V. |
| 2 | A | passive | Anode (positive terminal); forward current up to 20 mA continuous (IF), 50 mA pulsed (IFP), VF typ 3.2 V at 20 mA. |

## 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 Voltage | VF | 2.5 | 3.2 | 3.6 | V | IF=20mA | 1 |
| Dominant Wavelength | λd | 460 | 467 | 476 | nm |  | 1 |
| Luminous Intensity | IV | 150 | 230 | 350 | mcd |  | 1 |
| Reverse Current | IR |  |  | 10 | μA | VR=5V | 1 |
| View Angle | 2θ1/2 |  |  | 130 | deg. |  | 1 |
| Operating Temperature | TOPR | -30 |  | 85 | ℃ |  | 1 |
| Storage Temperature | Tstg | -40 |  | 100 | ℃ |  | 1 |
| 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 |
| Power Dissipation | PD |  |  | 72 | mW |  | 1 |

## CAD (KiCad official)

- Symbol: `NCD0603B3`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `ncd0603b3-etched.step` / `ncd0603b3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ncd0603b3.step` / `ncd0603b3.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/8757972816618491904) (2 pp, sha256 `4a9bd20abe4db8c0`, retrieved 2026-10-19, 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/ncd0603b3-datasheet.pdf)