component

SM351LT

Public Made by Adom

by adom

Honeywell Hall Sensor, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
Name Last commit message Last updated
docs sm351lt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
viewers pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray
package.json Publish 0.2.0 · Ray
pads.json pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray
page.json sm351lt: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray
README.md sm351lt: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray
sm351lt-etched.fit.json sm351lt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
sm351lt-etched.glb sm351lt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
sm351lt-etched.step sm351lt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
sm351lt.glb Publish 0.1.0 · Ray
sm351lt.kicad_mod Publish 0.1.0 · Ray
sm351lt.kicad_sym Publish 0.1.0 · Ray
sm351lt.lbr rebuild the library on adom-lbr 2.32.0. The published copy was built by 2.18.0, which imported every KiCad roundrect an… · Ray
sm351lt.step Publish 0.1.0 · Ray

SM351LT

Honeywell · Hall Sensor · SOT-23

SM351LT from Honeywell, 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 VCC power_in Positive supply voltage (Vs+). Operating range 1.65 Vdc to 5.5 Vdc; absolute max 5.5 V, min -0.5 V.
2 OUTPUT output Push-pull digital switch output; no external pull-up required. VOL <= 0.15 V and VOH >= Vs-0.15 V at 100 uA load. Max output/load current 100 uA (abs max 150 uA).
3 GND power_in Ground reference (Gnd-).

Key specifications

Parameter Value
Manufacturer Honeywell
Package SOT-23
Category Sensor
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • SM351LT

CAD (KiCad official)

  • Symbol: SM351LT
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: sm351lt-etched.step / sm351lt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sm351lt.step / sm351lt.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
sm351lt.step 59 KB You want the bare part, or you mark your own boards.
sm351lt-etched.step 1.2 MB You want the part with SM351LT already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 312 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: Honeywell datasheet (7 pp, sha256 e02ef1dd66745f2d, 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