# GH39FKSW

**GoChip Elec Tech Shanghai** · Hall Sensor · SOT-23-3L

GH39FKSW from GoChip Elec Tech Shanghai, in a SOT-23-3L. 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 | VDD | power_in | Positive supply voltage. Operating range 3.0 V to 6.5 V; absolute maximum 15 V. Typical supply current 6.0 mA (max 9.0 mA). |
| 2 | VOUT | output | Analog output. Emitter-follower output proportional to magnetic flux density. Quiescent output 2.25-2.75 V at B=0 (Vcc=5 V), sensitivity 1.45-2.0 mV/GS, output span roughly VH=0.80-1.05 V to VL=3.95-4.20 V over ±1000 GS. Recommended load impedance >10 kΩ; absolute max output current 10 mA. |
| 3 | GND | power_in | Ground reference for supply and output signal. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | GoChip Elec Tech Shanghai |
| Package | SOT-23-3L |
| Category | Sensor |
| Pins | 3 |

## Ordering variants

Same part, different packaging or reel option.

- `GH39FKSW`
- `GH39FKSWUA`

## CAD (KiCad official)

- Symbol: `GH39FKSW`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `gh39fksw-etched.step` / `gh39fksw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gh39fksw.step` / `gh39fksw.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [GoChip Elec Tech Shanghai datasheet](docs/gh39fksw-datasheet.pdf) (6 pp, sha256 `9661667b031c753f`, retrieved 2026-08-17, 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:** `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/gh39fksw-datasheet.pdf)