# HSMC-C197

**Broadcom Limited** · LED Indication - Discrete · 0603

HSMC-C197 from Broadcom Limited, 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/hsmc-c197/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode soldering terminal, the end marked with the cathode mark and cathode line; reverse voltage is rated 5 V max at IR = 100 µA. |
| 2 | A | passive | Anode soldering terminal, the end without the cathode mark; forward current is rated 25 mA DC max, with VF typ. 1.9 V and max 2.4 V at IF = 20 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Broadcom Limited |
| 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 |  | 1.9 | 2.4 | V | @ IF = 20 mA | 3 |
| Reverse breakdown voltage | VR | 5 |  |  | V | @ IR = 100 μA | 3 |
| Luminous intensity | IV | 28.5 |  |  | mcd | @ 20 mA | 4 |
| Forward voltage tolerance | VF | -0.1 |  | 0.1 | V |  | 3 |
| DC forward current |  |  |  | 25 | mA | Derate linearly as shown in Figure 4 | 3 |
| Power dissipation |  |  |  | 60 | mW |  | 3 |
| Reverse voltage |  |  |  | 5 | V | IR = 100 μA | 3 |
| LED junction temperature |  |  |  | 95 | ˚C |  | 3 |
| Operating temperature range |  | -40 |  | 85 | ˚C |  | 3 |
| Storage temperature range |  | -40 |  | 85 | ˚C |  | 3 |
| Capacitance | C |  | 15 |  | pF | VF = 0, f = 1 MHz | 3 |
| Thermal resistance, junction to pin | RJ-PIN |  | 300 |  | ˚C/W |  | 3 |
| Peak wavelength (red) | peak |  | 637 |  | nm |  | 4 |
| Dominant wavelength (red) | d |  | 626 |  | nm |  | 4 |
| Viewing angle | 2 1/2 |  | 90 |  | Degrees |  | 4 |
| Luminous efficacy | V |  | 155 |  | lm/w |  | 4 |

## CAD (KiCad official)

- Symbol: `HSMC-C197`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `hsmc-c197-etched.step` / `hsmc-c197-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hsmc-c197.step` / `hsmc-c197.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Broadcom Limited datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756055231359148032) (10 pp, sha256 `7c34d1db21b7c8d8`, retrieved 2026-10-21, 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/hsmc-c197-datasheet.pdf)