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HAL5781SO

Public Made by Adom

by adom

Hallwee Hall Switches, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Symbol & Footprint

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Datasheet

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Contents

README

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HAL5781SO

Hallwee · Hall Switches · SOT-23-3L

HAL5781SO from Hallwee, 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 Supply voltage pin with a stated operating range of 3.5 to 24 V; the output changes state above 2.2 V, but magnetic characteristics are only specified above 3.5 V.
2 Gnd power_in Ground pin for the device.
3 Out output Open-drain output that goes low (output transistor on) when a sufficiently strong N-pole field reaches BOP (typ. 90 GS) and goes high when the field falls to BRP (typ. 120 GS); VOUT and IOUT absolute maximum ratings are given in the limits table.

Key specifications

Parameter Value
Manufacturer Hallwee
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 (operating) VDD 3.5 24 V 2
Supply current IDD 5 mA Working, average value (as printed) 2
Output leakage current IOUT 10 uA 2
Saturation voltage VSAT 0.4 V IOUT=20mA 2
Supply voltage VDD 24 V 2
Supply current IDD 24 uA 2
Output voltage VOUT 50 V 2
Output current IOUT 50 mA 2
Operating temperature range TA -40 150 ℃ 2
Storage temperature range TS -50 150 ℃ 2
Electrostatic discharge voltage VESD 4 KV 2
Operating point BOP 40 90 150 GS DC operating parameters: TA=25°C, VDD=12V 3
Release point BRP 40 120 GS DC operating parameters: TA=25°C, VDD=12V 3
Hysteresis BHYS 30 50 GS DC operating parameters: TA=25°C, VDD=12V 3

CAD (KiCad official)

  • Symbol: HAL5781SO
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: hal5781so-etched.step / hal5781so-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hal5781so.step / hal5781so.glb are the bare package body.

Provenance

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

  • Datasheet: Hallwee datasheet (4 pp, sha256 728062b8d3f40c60, 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