component

ESD7C3.3DT5G

Public Made by Adom

by adom

onsemi ESD And Surge Protection (TVS/ESD), SOT-723. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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esd7c3-3dt5g-etched.glb esd7c3-3dt5g: etched from the flattened plain STEP (service-occt 1.6.0, from the plain STEP) · Ray 17d ago
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esd7c3-3dt5g.glb plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 17d ago
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esd7c3-3dt5g.step plain STEP: one free product with face colours (generated model was nested; tscircuit read it white) · Ray 17d ago
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README.md Publish 0.1.0 · Ray 24d ago

ESD7C3.3DT5G

onsemi · ESD And Surge Protection (TVS/ESD) · SOT-723

ESD7C3.3DT5G from onsemi, in a SOT-723. 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 CATHODE passive Cathode terminal of the ESD protection diode; pins 1 and 2 are both cathode leads. Device rated ±8.0 kV contact and ±15 kV air per IEC 61000-4-2 with a 3.3 V working peak reverse voltage (VRWM max).
2 CATHODE passive Cathode terminal of the ESD protection diode; pin 2 is the second cathode lead, same as pin 1. Device rated ±8.0 kV contact and ±15 kV air per IEC 61000-4-2 with a 3.3 V working peak reverse voltage (VRWM max).
3 ANODE passive Anode terminal of the ESD protection diode. Device rated ±8.0 kV contact and ±15 kV air per IEC 61000-4-2 with a 3.3 V working peak reverse voltage (VRWM max).

Key specifications

Parameter Value
Manufacturer onsemi
Package SOT-723
Category Circuit Protection
Pins 3

CAD (KiCad official)

  • Symbol: ESD7C3.3DT5G
  • Footprint: Package_TO_SOT_SMD:SOT-723
  • 3D model: SOT-723, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.5 mm nominal SOT-723 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: esd7c3-3dt5g-etched.step / esd7c3-3dt5g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esd7c3-3dt5g.step / esd7c3-3dt5g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (5 pp, sha256 3de2bd47d56395c6, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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