# AH1902-Z-7

**Diodes Incorporated** · Hall Sensor · SOT-553-5

AH1902-Z-7 from Diodes Incorporated, in a SOT-553-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | NC | unconnected | No Connection - not connected internally. May be left open or tied to ground. |
| 2 | GND | power_in | Ground reference for the device. |
| 3 | NC | unconnected | No Connection - not connected internally. May be left open or tied to ground. |
| 4 | VDD | power_in | Power supply input, 1.6V to 3.6V (absolute max 6V). Recommend 100nF decoupling capacitor placed close to the pin. |
| 5 | OUTPUT | output | Digital Hall-switch output. Pulls low (VOL ≤ 0.2V at 1mA) when |B| > Bop; goes high (VOH ≥ VDD-0.2V at 1mA source) when |B| < Brp. Rated source/sink current 3mA max. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-553-5 |
| Category | Sensor |
| Pins | 5 |

## Ordering variants

- `AH1902-Z-7`

## CAD (KiCad official)

- Symbol: `AH1902-Z-7`
- Footprint: `Package_TO_SOT_SMD:SOT-553`
- 3D model: SOT-553-5 (KiCad packages3D, STEP)
- 3D model files: `ah1902-z-7-etched.step` / `ah1902-z-7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ah1902-z-7.step` / `ah1902-z-7.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/AH1902-Z-7.pdf) (11 pp, sha256 `c4c22a94b96c8b34`, retrieved 2026-08-17, tier: manufacturer)
- **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/ah1902-z-7-datasheet.pdf)