# XL-TD3216UBC

**XINGLIGHT** · LED Indication - Discrete · 1206

XL-TD3216UBC from XINGLIGHT, 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/xl-td3216ubc/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (negative terminal), marked by the green mark on the package; reverse voltage max 5 V. |
| 2 | A | passive | Anode (positive terminal); max continuous forward current 20 mA, forward voltage 2.5 to 3.3 V at IF=20mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XINGLIGHT |
| 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 |
|---|---|---|---|---|---|---|---|
| Luminous Intensity | Iv | 1200 |  | 4000 | mcd | IF=20mA | 3 |
| Dominant Wave Length | λd | 460 |  | 470 | nm | IF=20mA | 3 |
| Forward Voltage | VF | 2.5 |  | 3.3 | V | IF=20mA | 3 |
| Reverse Current | IR |  |  | 1 | μA | VR=5V | 3 |
| Brightness error |  | -10 |  | 10 | % |  | 4 |
| Voltage error |  | -0.1 |  | 0.1 | V |  | 4 |
| Wavelength error |  | -1 |  | 1 | nm |  | 4 |
| Max Power Dissipation | PD |  |  | 70 | mW |  | 3 |
| Max Continuous Forward Current | IF |  |  | 20 | mA |  | 3 |
| Peak Forward Current | IFP |  |  | 80 | mA | pulse width ≤0.1ms, duty ≤1/10 | 3 |
| Max Reverse Voltage | VR |  |  | 5 | V |  | 3 |
| Antistatic ability (ESD) | ESD |  |  | 2000 | V |  | 3 |
| Operating Temperature Range | TOPR | -40 |  | 85 | °C |  | 3 |
| Storage Temperature Range | TSTR | -40 |  | 85 | °C |  | 3 |
| Lead Soldering Temperature/Time | TSOL |  |  | 260 | ℃ | time ≤6 s | 3 |
| Peak Wave Length | λp |  | 465 |  | nm | IF=20mA | 3 |
| Half wave width | Δλ |  | 25 |  | nm | IF=20mA | 3 |
| Viewing Angle | 2Ø1/2 |  | 30 |  | deg | IF=20mA | 3 |

## CAD (KiCad official)

- Symbol: `XL-TD3216UBC`
- Footprint: `LED_SMD:LED_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `xl-td3216ubc-etched.step` / `xl-td3216ubc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xl-td3216ubc.step` / `xl-td3216ubc.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [XINGLIGHT datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757827335934889984) (14 pp, sha256 `83ac4faa6f58c635`, 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/xl-td3216ubc-datasheet.pdf)