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DT1446-04S-7

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Diodes Incorporated ESD And Surge Protection (TVS/ESD), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DT1446-04S-7

Diodes Incorporated · ESD And Surge Protection (TVS/ESD) · SOT-363

DT1446-04S-7 from Diodes Incorporated, in a SOT-363. 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 I/O1 passive ESD-protected high-speed I/O channel 1, rated for ±16kV contact and ±19kV air discharge (IEC 61000-4-2) and 4.7A peak pulse current (8/20µs) to VSS.
2 VSS power_in Ground reference pin (VSS) for the TVS array, to which all I/O and VCC protection diodes return.
3 I/O2 passive ESD-protected high-speed I/O channel 2, rated for ±16kV contact and ±19kV air discharge (IEC 61000-4-2) and 4.7A peak pulse current (8/20µs) to VSS.
4 I/O3 passive ESD-protected high-speed I/O channel 3, rated for ±16kV contact and ±19kV air discharge (IEC 61000-4-2) and 4.7A peak pulse current (8/20µs) to VSS.
5 VCC power_in Supply rail protected by the array, with 6V maximum DC operating voltage, 5.0V reverse working voltage and ±30kV IEC 61000-4-2 ESD rating to VSS.
6 I/O4 passive ESD-protected high-speed I/O channel 4, rated for ±16kV contact and ±19kV air discharge (IEC 61000-4-2) and 4.7A peak pulse current (8/20µs) to VSS.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-363
Category Circuit Protection
Pins 6

CAD (KiCad official)

  • Symbol: DT1446-04S-7
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: dt1446-04s-7-etched.step / dt1446-04s-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dt1446-04s-7.step / dt1446-04s-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 009b14499fe0fd31, retrieved 2026-10-13, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (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