Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

KPESD0402-05ST

KUU · ESD And Surge Protection (TVS/ESD) · 0402

KPESD0402-05ST from KUU, in a 0402. 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 1 passive Terminal 1 of the bidirectional single-line ESD protection diode; connect to the protected signal line, as close to the connector as possible (polarity is not specified; the device is symmetric).
2 2 passive Terminal 2 of the bidirectional single-line ESD protection diode; connect to ground or the other side of the protected line (polarity is not specified; the device is symmetric), with continuous operating voltage up to 5.0 V.

Key specifications

Parameter Value
Manufacturer KUU
Package 0402
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: KPESD0402-05ST
  • Footprint: Diode_SMD:D_0402_1005Metric
  • 3D model: 0402, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.4 mm nominal 0402 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: kpesd0402-05st-etched.step / kpesd0402-05st-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); kpesd0402-05st.step / kpesd0402-05st.glb are the bare package body.

Provenance

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

  • Datasheet: KUU datasheet (5 pp, sha256 a640cb1f480ad325, retrieved 2026-10-09, 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