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SGM803-SXN3L

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by Ray

SGMICRO Supervisor and Reset ICs, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

markdown

SGM803-SXN3L

SGMICRO · Supervisor and Reset ICs · SOT-23

SGM803-SXN3L from SGMICRO, in a SOT-23. 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 GND power_in Ground reference for the supervisor.
2 /RESET output Active-low, open-drain reset output. /RESET is pulled low while VCC is below the 2.93V reset threshold and remains low for 240ms (typ, min 150ms) after VCC rises above the threshold. Open-drain output requires an external pull-up resistor (sink capability 1.2mA at VOL = 0.3V; leakage 1µA max when de-asserted). Reset assertion is guaranteed down to VCC = 1V.
3 VCC power_in Power supply input that is also the monitored voltage. Operating range 1.2V to 5.5V (over -40°C to +125°C); absolute max 6V. Typical supply current 13µA.

Key specifications

Parameter Value
Manufacturer SGMICRO
Package SOT-23
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • SGM803-SXN3L/TR
  • SGM803-SXN3/TR

CAD (KiCad official)

  • Symbol: SGM803-SXN3L
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
sgm803-sxn3l.step 59 KB You want the bare part, or you mark your own boards.
sgm803-sxn3l-etched.step 2.4 MB You want the part with SGM803-SXN3L already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 565 faces against 69 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: SGMICRO datasheet (13 pp, sha256 5e64accde249a9f4, 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