component

ESDAXLC18-1BF4

Public Made by Adom

by adom

STMicroelectronics ESD And Surge Protection (TVS/ESD), 0201. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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esdaxlc18-1bf4-hero.glb esdaxlc18-1bf4: hero GLB from the etched model (keeps the MPN mark) · Ray 22h ago
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README.md Initial commit: component/esdaxlc18-1bf4 · Ray 22h ago

ESDAXLC18-1BF4

STMicroelectronics · ESD And Surge Protection (TVS/ESD) · 0201

ESDAXLC18-1BF4 from STMicroelectronics, in a 0201. 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 Pin1 passive Bidirectional TVS line terminal, marked with the pin 1 bar; leakage specified pin 1 to pin 2 at VRM = 18 V (<1 typ, 30 nA max), line capacitance 0.3/0.45/0.6 pF at 0 V, 1 MHz.
2 Pin2 passive Second bidirectional TVS terminal, interchangeable with pin 1, protecting the RF/NFC line to ±10 kV contact and ±30 kV air IEC 61000-4-2 discharge.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package 0201
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: ESDAXLC18-1BF4
  • Footprint: Diode_SMD:D_0201_0603Metric
  • 3D model: 0201, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.3 mm nominal 01005 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: esdaxlc18-1bf4-etched.step / esdaxlc18-1bf4-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esdaxlc18-1bf4.step / esdaxlc18-1bf4.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (10 pp, sha256 adae2ebf02727b4d, retrieved 2026-10-08, 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