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MAX811T-HXY

HXY MOSFET · Monitors & Reset Circuits · SOT-143

MAX811T-HXY from HXY MOSFET, in a SOT-143. 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 GND power_in Ground reference pin for the MAX811 supervisor.
2 RESET output Active-low reset output of the MAX811, guaranteed to be in the correct state for VCC down to 1V.
3 MR input Manual reset input, debounced, used to trigger a reset.
4 VCC power_in Supply voltage input, specified over an input voltage range of 1.2V to 5.5V.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package SOT-143
Category Power Management
Pins 4

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input Voltage (VCC) Range VCC 1.2 5.5 V 3
Reset Threshold MAX811T VDET 3.03 3.08 3.14 V MAX811T:TA=25℃ 3
Reset Threshold Stability 30 Ppm/℃ 3
Input Voltage -0.3 6 V 2
Storage Temperature -40 125 ℃ 2
Operating Temperature -40 85 ℃ 2
Thermal Resistance (Junction to Ambient) θJA 260 ℃/W Assume no ambient airflow, no heat sink 2
Power Dissipation PD 0.32 W Ta=25℃ 2

CAD (KiCad official)

  • Symbol: MAX811T-HXY
  • Footprint: Package_TO_SOT_SMD:SOT-143
  • 3D model: SOT-143 (KiCad packages3D, STEP)
  • 3D model files: max811t-hxy-etched.step / max811t-hxy-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max811t-hxy.step / max811t-hxy.glb are the bare package body.

Provenance

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

  • Datasheet: HXY MOSFET datasheet (6 pp, sha256 84e657884858c60f, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed (audit)), 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