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Contents

README

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DS9801AS3R

DSTECH · Surge Protection Devices (SPDs) · SOT-23-3

DS9801AS3R from DSTECH, in a SOT-23-3. 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.
2 VIN power_in Input of supply voltage with maximum withstand voltage to 36V.
3 VOUT power_out Output pin with 100mΩ ON resistance and integrated overvoltage, overcurrent, and overtemperature protection.

Key specifications

Parameter Value
Manufacturer DSTECH
Package SOT-23-3
Category Circuit Protection
Pins 3

CAD (KiCad official)

  • Symbol: DS9801AS3R
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: ds9801as3r-etched.step / ds9801as3r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ds9801as3r.step / ds9801as3r.glb are the bare package body.

Provenance

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

  • Datasheet: DSTECH datasheet (11 pp, sha256 55b0086bdcfaa5b7, retrieved 2026-09-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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