component

NUP2128WTT1G

Public Made by Adom

by adom

TECH PUBLIC ESD And Surge Protection (TVS/ESD), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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NUP2128WTT1G

TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOT-323

NUP2128WTT1G from TECH PUBLIC, in a SOT-323. 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 PIN 1 passive Protected line 1 (diode channel 1 to common pin 3); operating voltage 24V (VRWM max 24 V), ±30kV air/contact ESD per IEC 61000-4-2.
2 PIN 2 passive Protected line 2 (diode channel 2 to common pin 3); operating voltage 24V (VRWM max 24 V), ±30kV air/contact ESD per IEC 61000-4-2.
3 PIN 3 passive Common pin joining the two back-to-back TVS diode channels from pins 1 and 2 as shown in the schematic.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOT-323
Category Circuit Protection
Pins 3

CAD (KiCad official)

  • Symbol: NUP2128WTT1G
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: nup2128wtt1g-etched.step / nup2128wtt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); nup2128wtt1g.step / nup2128wtt1g.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 31b04b1eb59a9150, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (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