# APTD3216SYCK

**Kingbright** · LED Indication - Discrete · 1206

APTD3216SYCK from Kingbright, in a 1206. 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/aptd3216syck/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode of the AlGaInP super bright yellow LED; the schematic symbol shows current flowing from pin 1 to pin 2, with a forward voltage of 2 V typ. and 2.5 V max at IF = 20 mA. |
| 2 | A | passive | Anode of the AlGaInP super bright yellow LED; the schematic symbol shows current flowing from pin 1 to pin 2, with a DC forward current of 30 mA max and a reverse voltage of 5 V max. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Kingbright |
| Package | 1206 |
| 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 | 2.5 | V | IF = 20mA | 2 |
| Reverse Current | IR |  |  | 10 | µA | VR = 5V | 2 |
| Operating Temperature | Top | -40 |  | 85 | °C |  | 2 |
| Storage Temperature | Tstg | -40 |  | 85 | °C |  | 2 |
| Power Dissipation | PD |  |  | 75 | mW |  | 2 |
| Reverse Voltage | VR |  |  | 5 | V |  | 2 |
| Junction Temperature | Tj |  |  | 115 | °C |  | 2 |
| DC Forward Current | IF |  |  | 30 | mA |  | 2 |
| Peak Forward Current | IFM |  |  | 175 | mA | 1/10 duty cycle, 0.1ms pulse width | 2 |
| Electrostatic Discharge Threshold (HBM) |  |  |  | 3000 | V | HBM | 2 |
| Luminous Intensity | Iv | 700 | 800 |  | mcd | @ 20mA | 1 |
| Luminous Intensity / Luminous Flux tolerance | Iv | -15 |  | 15 | % |  | 1 |
| Dominant Wavelength tolerance (sorting setup value) | λdom | -1 |  | 1 | nm |  | 2 |
| Forward Voltage tolerance | VF | -0.1 |  | 0.1 | V |  | 2 |
| Wavelength at Peak Emission | λpeak |  | 590 |  | nm | IF = 20mA | 2 |
| Dominant Wavelength | λdom |  | 590 |  | nm | IF = 20mA | 2 |
| Spectral Bandwidth at 50% | Δλ |  | 20 |  | nm | IF = 20mA | 2 |
| Capacitance | C |  | 20 |  | pF |  | 2 |
| Temperature Coefficient of λpeak | TCλpeak |  | 0.12 |  | nm/°C | IF = 20mA, -10°C ≤ T ≤ 85°C | 2 |
| Temperature Coefficient of λdom | TCλdom |  | 0.07 |  | nm/°C | IF = 20mA, -10°C ≤ T ≤ 85°C | 2 |
| Temperature Coefficient of VF | TCV |  | -1.9 |  | mV/°C | IF = 20mA, -10°C ≤ T ≤ 85°C | 2 |
| Viewing Angle | 2θ1/2 |  | 40 |  | ° |  | 1 |
| Thermal Resistance (Junction / Ambient) | Rth JA |  | 710 |  | °C/W | Mounted on FR4 PC board, pad size ≥ 16 mm² per pad | 2 |
| Thermal Resistance (Junction / Solder point) | Rth JS |  | 580 |  | °C/W | Mounted on FR4 PC board, pad size ≥ 16 mm² per pad | 2 |

## CAD (KiCad official)

- Symbol: `APTD3216SYCK`
- Footprint: `LED_SMD:LED_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `aptd3216syck-etched.step` / `aptd3216syck-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `aptd3216syck.step` / `aptd3216syck.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Kingbright datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602994599548112896) (4 pp, sha256 `8279095fae20d7bd`, retrieved 2026-10-17, tier: lcsc)
- **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/aptd3216syck-datasheet.pdf)