# MHS171CYCT

**MEIHUA** · LED Indication - Discrete · 0805

MHS171CYCT from MEIHUA, in a 0805. 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/mhs171cyct/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (-) terminal marked by the cathode mark on the bottom view; reverse current max 10 uA at VR=5 V. |
| 2 | A | passive | Anode (+) terminal; continuous forward current max 25 mA, forward voltage 1.75-2.35 V at IF=20 mA, reverse voltage max 5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MEIHUA |
| Package | 0805 |
| 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 | 1.75 |  | 2.35 | V | IF = 20mA | 4 |
| Reverse Current | IR |  |  | 10 | uA | VR = 5V | 4 |
| Dominant Wavelength | λd | 582.5 |  | 591.5 | nm | IF = 20mA | 4 |
| Luminous Intensity | Iv | 72 |  | 180 | mcd | IF = 20mA | 4 |
| Power Dissipation |  |  |  | 70 | mW |  | 4 |
| Peak Forward Current Per Segment | IFP |  |  | 60 | mA | 1/10 duty cycle, 0.1ms pulse width | 4 |
| Continuous Forward Current | IF |  |  | 25 | mA |  | 4 |
| Reverse Voltage | VR |  |  | 5 | V |  | 4 |
| Electrostatic Discharge Threshold (HBM) | ESD |  |  | 2000 | V | HBM | 4 |
| Operating Temperature Range | TOPR | -40 |  | 85 | ℃ |  | 4 |
| Storage Temperature Range | TSTG | -40 |  | 100 | ℃ |  | 4 |
| Tolerance of Forward Voltage | VF | -0.1 |  | 0.1 | V | Measurement tolerance per datasheet note | 4 |
| Tolerance of Luminous Intensity | Iv | -10 |  | 10 | % | Measurement tolerance per datasheet note | 4 |
| Tolerance of Dominant Wavelength | λd | -1 |  | 1 | nm | Measurement tolerance per datasheet note | 6 |

## CAD (KiCad official)

- Symbol: `MHS171CYCT`
- Footprint: `LED_SMD:LED_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `mhs171cyct-etched.step` / `mhs171cyct-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mhs171cyct.step` / `mhs171cyct.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MEIHUA datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588933740966400000) (11 pp, sha256 `dd578a14d38d042f`, 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/mhs171cyct-datasheet.pdf)