# XL-TD3216IRC-940

**XINGLIGHT** · Infrared LED Emitters · 1206

XL-TD3216IRC-940 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-td3216irc-940/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode of the 940nm infrared emitting diode, marked with the green mark on the package; reverse voltage limited to VR 5 V max. |
| 2 | A | passive | Anode of the infrared emitting diode; forward working current IF 30 mA max (peak 100 mA at 1/10 duty, 0.1 ms pulse), VF typ 1.2 V and max 1.5 V at IF=20 mA. |

## 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 |
|---|---|---|---|---|---|---|---|
| Radiant intensity | Ie | 15 | 20 | 30 | mW/sr | IF = 20mA | 4 |
| Forward voltage | VF |  | 1.2 | 1.5 | V | IF = 20mA | 4 |
| Reverse current | IR |  |  | 1 | uA | VR = 5V | 4 |
| Consumed power | Pd |  |  | 50 | mW |  | 3 |
| Peak forward current | IFP |  |  | 100 | mA | 1/10 duty, 0.1ms pulse width | 3 |
| Forward working current | IF |  |  | 30 | mA |  | 3 |
| Reverse voltage | VR |  |  | 5 | V |  | 3 |
| Operating ambient temperature | Topr | -40 |  | 85 | °C |  | 3 |
| Storage ambient temperature | Tstg | -40 |  | 85 | °C |  | 3 |
| Welding temperature, reflow soldering | Tsol |  |  | 260 | °C | reflow soldering, 6 s | 3 |
| Welding temperature, manual welding | Tsol |  |  | 300 | °C | manual welding, 3 s | 3 |
| Half light angle | 2θ1/2 |  | 30 |  | deg | IF = 20mA | 4 |
| Dominant wavelength | λD |  | 940 |  | nm | IF = 20mA | 4 |
| Half wave width | Δλ |  | 40 |  | nm | IF = 20mA | 4 |

## CAD (KiCad official)

- Symbol: `XL-TD3216IRC-940`
- Footprint: `LED_SMD:LED_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `xl-td3216irc-940-etched.step` / `xl-td3216irc-940-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xl-td3216irc-940.step` / `xl-td3216irc-940.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/8756307501577191424) (15 pp, sha256 `5abd403a4471d9db`, 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/xl-td3216irc-940-datasheet.pdf)