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docs mh180kso: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
viewers mh180kso: viewers · Ray 28d ago
mh180kso-etched.fit.json mh180kso: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
mh180kso-etched.glb mh180kso: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
mh180kso-etched.step mh180kso: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
mh180kso.glb Publish 0.1.0 · Ray 28d ago
mh180kso.kicad_mod Publish 0.1.0 · Ray 28d ago
mh180kso.kicad_sym Publish 0.1.0 · Ray 28d ago
mh180kso.lbr Publish 0.1.0 · Ray 28d ago
mh180kso.step Publish 0.1.0 · Ray 28d ago
package.json Publish 0.1.0 · Ray 28d ago
page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 12d ago
README.md mh180kso: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 15d ago

MH180KSO

MST Magnesensor Tech MST · Hall Sensor · SOT-23-3L

MH180KSO from MST Magnesensor Tech MST, 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 Supply voltage input. Operating range 2.5 V to 24 V (absolute max 28 V). Reverse-bias protected internally; decouple with 10 nF (C1) to GND at the pin.
2 Out output Open-drain DMOS latch output. Pulls low (Vsat < 400 mV at 20 mA) when a south-polarity field exceeds BOP (45 G) and releases (leakage < 10 uA at 12 V) when a north-polarity field crosses BRP (-45 G). Requires an external pull-up (typ 1 kOhm) to Vcc; max sink 50 mA.
3 GND power_in Device ground / return.

Key specifications

Parameter Value
Manufacturer MST Magnesensor Tech MST
Package SOT-23-3L
Category Sensor
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • MH180KSO
  • MH180KSOESO
  • MH180KSOKUA
  • MH180KSOEUA

CAD (KiCad official)

  • Symbol: MH180KSO
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: mh180kso-etched.step / mh180kso-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mh180kso.step / mh180kso.glb are the bare package body.

Provenance

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

  • Datasheet: MST Magnesensor Tech MST datasheet (4 pp, sha256 7295301c34f395b2, retrieved 2026-08-17, tier: lcsc)
  • 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