component
AH401FSU
Public Made by Adomby adom
Alfa(中科阿尔法) Hall Switches, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownAH401FSU
Alfa(中科阿尔法) · Hall Switches · SOT-23-3L
AH401FSU from Alfa(中科阿尔法), 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 | VCC | power_in | Supply pin with an operating range of 3.0V to 60V, featuring reverse-voltage protection on the power pin and an overvoltage protection capability of 80V. |
| 2 | VOUT | output | Open-collector digital output that can drive up to 30mA maximum, with an absolute maximum output voltage of 80V and output current of 40mA. |
| 3 | GND | power_in | Ground pin for the device. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Alfa(中科阿尔法) |
| 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 |
|---|---|---|---|---|---|---|---|
| 电源电压 (Supply voltage) | VCC | 3 | 60 | V | 4 | ||
| 电源电流 (Supply current) | ICC | 4.8 | 8 | mA | 4 | ||
| 输出漏电流 (Output leakage current) | IOLEAK | 10 | uA | 4 | |||
| 输出电压 (Output saturation voltage) | VSAT | 0.4 | V | IOUT=20mA | 4 | ||
| 输出电流 (Output current) | IOUT | 30 | mA | 4 | |||
| 输出上升时间 (Output rise time) | TR | 1 | us | RL=10kΩ, CL=20pF | 4 | ||
| 输出下降时间 (Output fall time) | TF | 1.5 | us | RL=10kΩ, CL=20pF | 4 | ||
| 工作点 (Operate point) | Bop | 10 | 45 | 80 | Gs | RL=10kΩ, CL=20pF | 4 |
| 释放点 (Release point) | Brp | -80 | -45 | -10 | Gs | RL=10kΩ, CL=20pF | 5 |
| 回差 (Hysteresis) | BHYS | 90 | Gs | 5 | |||
| 电源电压 (Supply voltage, absolute maximum) | VCC | -60 | 80 | V | 4 | ||
| 输出电压 (Output voltage, absolute maximum) | VOUT | -0.5 | 80 | V | 4 | ||
| 输出电流 (Output current, absolute maximum) | IOUT | 0 | 40 | mA | 4 | ||
| 工作温度 (Operating junction temperature) | TJ | -40 | 150 | ℃ | 4 | ||
| 存储温度 (Storage temperature) | TSTG | -50 | 165 | ℃ | 4 |
CAD (KiCad official)
- Symbol:
AH401FSU - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files:
ah401fsu-etched.step/ah401fsu-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ah401fsu.step/ah401fsu.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Alfa(中科阿尔法) datasheet (9 pp, sha256
5784e96cf53ca621, retrieved 2026-10-20, 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, primaryclaude-haiku-5-5(text), consensusclaude-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).