# MHT192IR128CT

**MEIHUA** · Infrared LED Emitters · 0603

MHT192IR128CT from MEIHUA, 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/mht192ir128ct/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode of the infrared LED, shown as pin 1 in the polarity drawing; continuous forward current max 30 mA, reverse voltage max 5 V. |
| 2 | A | passive | Anode (+) of the infrared LED, marked +2 in the polarity drawing; forward voltage 1.2 to 1.6 V typ at IF=20 mA, 1.7 V typ at 100 mA pulsed, and a series resistor is required. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MEIHUA |
| 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 |
|---|---|---|---|---|---|---|---|
| Power Dissipation | PD |  |  | 130 | mW | Ta=25℃ | 4 |
| Peak Forward Current Per Segment | IFP |  |  | 50 | mA | 1/10 duty cycle, 0.1ms pulse width | 4 |
| Continuous Forward Current | IF |  |  | 30 | mA |  | 4 |
| Reverse Voltage | VR |  |  | 5 | V |  | 4 |
| Operating Temperature Range | TOPR | -40 |  | 85 | ℃ |  | 4 |
| Storage Temperature Range | TSTG | -40 |  | 100 | ℃ |  | 4 |
| Radiant Intensity | Ee | 1 |  |  | mW/sr | IF=20mA | 4 |
| Forward Voltage | VF | 1.2 |  |  | V | IF=20mA | 4 |
| Reverse Current | IR |  |  | 50 | uA | VR=5V | 4 |
| Luminous intensity tolerance (Radiant Intensity) | Ee | -10 |  | 10 | % |  | 4 |
| Forward voltage tolerance | VF | -0.1 |  | 0.1 | V |  | 4 |

## CAD (KiCad official)

- Symbol: `MHT192IR128CT`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `mht192ir128ct-etched.step` / `mht192ir128ct-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mht192ir128ct.step` / `mht192ir128ct.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/8588885139115937792) (12 pp, sha256 `655ba51e4b2c9138`, 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/mht192ir128ct-datasheet.pdf)