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Contents

README

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BSD5A051V-TP

TECH PUBLIC · Electrostatic And Surge Protection (TVS/ESD) · SOD-523

BSD5A051V-TP from TECH PUBLIC, in a SOD-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 K passive Cathode of the 1-line uni-directional TVS diode, connected to the protected power or I/O line (reverse working voltage 5 V max, breakdown 6 V min at 1 mA).
2 A passive Anode of the uni-directional TVS diode, normally connected to ground, with ESD protection of ±30 kV (air and contact) per IEC 61000-4-2.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOD-523
Category TVS/Fuse/Board Level Protection
Pins 2

CAD (KiCad official)

  • Symbol: BSD5A051V-TP
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: bsd5a051v-tp-etched.step / bsd5a051v-tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bsd5a051v-tp.step / bsd5a051v-tp.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 1dfc87b3a48070bc, retrieved 2026-10-22, 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