# HX258EUA

**HUAXIN** · Hall Switches · TO-92S

HX258EUA from HUAXIN, in a TO-92S. 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.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VDD | power_in | Supply input; operating supply range is 1.7 V to 5.5 V, with an absolute maximum rating of -0.3 V to 6 V. |
| 2 | GND | power_in | Ground terminal of the device. |
| 3 | Output | output | Open-drain output; absolute maximum output voltage is 0 V to 6 V and maximum output current is 1 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HUAXIN |
| Package | TO-92S |
| Category | Magnetic Sensors |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage (absolute maximum) | VDD | -0.3 |  | 6 | V |  | 4 |
| Output voltage (absolute maximum) | VOUT | 0 |  | 6 | V |  | 4 |
| Output current (absolute maximum) | IOUT |  |  | 1 | mA |  | 4 |
| Operating temperature | TA | -40 |  | 85 | ℃ |  | 4 |
| Storage temperature | TS | -55 |  | 165 | ℃ |  | 4 |
| ESD rating (absolute maximum) |  |  |  | 4000 | V |  | 4 |
| Supply voltage operating range | VDD | 1.7 |  | 5.5 | V |  | 4 |
| Supply current, awake | IDD |  | 1.5 | 3 | mA |  | 4 |
| Supply current, sleep | IDD |  | 3.5 | 7 | μA |  | 4 |
| Supply current, average | IDD |  | 5 | 10 | μA |  | 4 |
| Output low voltage | VOL |  |  | 0.2 | V | IOUT = 0.5 mA(Sink) | 4 |
| Output leakage current | IOFF |  |  | 1 | μA | Output off | 4 |
| Wake-up time | TAW |  | 40 | 80 | μS | Operating | 4 |
| Sleep time | TSL |  | 40 | 80 | mS | Operating | 4 |
| Operate point | BOP |  | 30 | 50 | Gauss |  | 4 |
| Release point | BRP | 10 | 20 |  | Gauss |  | 4 |
| Hysteresis | BHYS |  | 10 |  | Gauss | /BOPx - BRPx/ | 4 |
| ESD protection (HBM) |  | 4000 |  |  | V | HMB | 4 |

## CAD (KiCad official)

- Symbol: `HX258EUA`
- Footprint: `Package_TO_SOT_THT:TO-92_Inline`
- 3D model: TO-92S (KiCad packages3D, STEP)
- 3D model files: `hx258eua-etched.step` / `hx258eua-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hx258eua.step` / `hx258eua.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HUAXIN datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837331151544320) (8 pp, sha256 `46f7b873a1f82873`, retrieved 2026-10-18, 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-haiku-5-5` (text), consensus `claude-sonnet-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/hx258eua-datasheet.pdf)