# GH1230KSW

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

GH1230KSW from GoChip Elec Tech Shanghai, in a SOT-23-3L. 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 | Power supply pin; operating supply range is 2.8 V to 24 V (typical 12 V), with an absolute maximum of -0.3 V to +28 V. |
| 2 | VOUT | output | Open-drain output that requires an external pull-up resistor (818 Ω to 100 kΩ suggested in the application notes); maximum output low current is 50 mA and the output breakdown voltage is 32 V. |
| 3 | GND | power_in | Ground reference pin for the device. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | GoChip Elec Tech Shanghai |
| Package | SOT-23-3L |
| 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 (normal operation) | VDD | 2.8 | 12 | 24 | V | Normal operation; spec over full voltage and temperature range unless noted | 4 |
| Quiescent supply current | IDD |  | 2 | 5 | mA |  | 4 |
| Output low voltage | VOUTL |  | 200 | 500 | mV | IOUT=20mA, B>BOP | 4 |
| Output high leakage current | IOFF |  |  | 10 | µA | VOUT=24V, B<BRP | 4 |
| Maximum switching frequency | FSW |  | 10 |  | KHz | RL=820Ω, CL=20pF | 4 |
| Operating point (south/north pole as printed for GH1230KSW, N pole) | BOP | -45 | -30 | -15 | Gs |  | 5 |
| Release point | BRP | -30 | -20 | -10 | Gs |  | 5 |
| Magnetic hysteresis | BHYS | 5 | 10 | 15 | Gs |  | 5 |
| Supply voltage (absolute maximum) | VDD | -0.3 |  | 28 | V |  | 4 |
| Output breakdown voltage | VOUT(OFF) |  |  | 32 |  |  | 4 |
| Output low current | IOUTL |  |  | 50 | mA |  | 4 |
| Maximum allowable power dissipation | PD |  |  | 450 | mW |  | 4 |
| Operating temperature range | TO | -40 |  | 125 | ℃ |  | 4 |
| Maximum junction temperature | TJ |  |  | 150 | ℃ |  | 4 |
| Storage temperature range | TS | -65 |  | 160 | ℃ |  | 4 |

## CAD (KiCad official)

- Symbol: `GH1230KSW`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `gh1230ksw-etched.step` / `gh1230ksw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gh1230ksw.step` / `gh1230ksw.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [GoChip Elec Tech Shanghai datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911198532751360) (9 pp, sha256 `c204c3a62c2dac1a`, 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-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/gh1230ksw-datasheet.pdf)