# HL-304IR3C-L3

**HONGLITRONIC Hongli Zhihui HONGLITRONIC** · Infrared LED Emitters · 插件,D=3mm

HL-304IR3C-L3 from HONGLITRONIC Hongli Zhihui HONGLITRONIC, in a 插件,D=3mm. 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/hl-304ir3c-l3/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | A | passive | Anode of the GaAs IR emitting diode, the longer lead in the package drawing; DC forward current max 50 mA, peak forward current 300 mA (pulse width ≤10 msec), VF typ 1.5 V at IF=50 mA. |
| 2 | K | passive | Cathode of the GaAs IR emitting diode, the shorter lead in the package drawing; reverse current typ 10 uA, power dissipation max 100 mW. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HONGLITRONIC Hongli Zhihui HONGLITRONIC |
| Package | 插件,D=3mm |
| Category | Optoelectronics |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `HL-304IR3C-L3`
- Footprint: `LED_THT:LED_D3.0mm`
- 3D model: 插件,D=3mm (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [HONGLITRONIC Hongli Zhihui HONGLITRONIC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588889040301408256) (4 pp, sha256 `5c73acb6e484c348`, retrieved 2026-10-08, tier: lcsc)
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/hl-304ir3c-l3-datasheet.pdf)