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UAT52A05L02

Public Made by Adom

by adom

Brightking Elec (TAIWAN) ESD Protection Devices, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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UAT52A05L02

Brightking Elec (TAIWAN) · ESD Protection Devices · SOT-523

UAT52A05L02 from Brightking Elec (TAIWAN), in a SOT-523. 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 Protected high-speed data line 1 with 5 V max reverse stand-off voltage, 0.5 µA max leakage at VR=5 V, and 0.8 pF typical capacitance to GND.
2 I/O2 passive Protected high-speed data line 2 with 5 V max reverse stand-off voltage, 0.5 µA max leakage at VR=5 V, and 0.8 pF typical capacitance to GND.
3 GND power_in Ground reference for the TVS array, common return for ESD current with ±8 kV contact and ±15 kV air discharge ratings and 3 A peak pulse current (8/20 µs).

Key specifications

Parameter Value
Manufacturer Brightking Elec (TAIWAN)
Package SOT-523
Category Circuit Protection
Pins 3

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin ● Lead Free/RoHS compliant ● Solder reflow temperature: Pure Tin-Sn, 260~270℃ 1

CAD (KiCad official)

  • Symbol: UAT52A05L02
  • Footprint: Package_TO_SOT_SMD:SOT-523
  • 3D model: SOT-523, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.8 mm nominal SOT-523 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: uat52a05l02-etched.step / uat52a05l02-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); uat52a05l02.step / uat52a05l02.glb are the bare package body.

Provenance

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

  • Datasheet: Brightking Elec (TAIWAN) datasheet (7 pp, sha256 ca64cda341a4e80b, retrieved 2026-10-28, 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