component

PESD3V3L1BA

Public Made by Adom

by adom

UMW ESD And Surge Protection (TVS/ESD), SOD-323. 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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PESD3V3L1BA

UMW · ESD And Surge Protection (TVS/ESD) · SOD-323

PESD3V3L1BA from UMW, in a SOD-323. 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 Bidirectional TVS terminal 1 (no polarity), connects to the protected line; VRWM 3.3V max stand-off, 480W peak pulse power (8/20µs).
2 2 passive Bidirectional TVS terminal 2 (no polarity), connects to ground or the second protected node; VRWM 3.3V max stand-off, ±30kV IEC 61000-4-2 contact ESD.

Key specifications

Parameter Value
Manufacturer UMW
Package SOD-323
Category Circuit Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reverse Stand-Off Voltage VRWM 3.3 V 3
Reverse Breakdown Voltage VBR 4 V IT=1mA 3
Reverse Leakage Current IR 1 µA VRWM=3V, T=25°C 3
Clamping Voltage VC 24 V IPP=20A, tp=8/20μs 3
Junction Capacitance CJ 100 pF VR=0V, f=1MHz 3
Peak Pulse Power PPP 480 W tp=8/20μs 2
Peak Pulse Current IPP 20 A tp=8/20μs (note 1) 2
ESD per IEC 61000-4-2 (Air) VESD 30 kV IEC 61000-4-2 air discharge 2
ESD per IEC 61000-4-2 (Contact) VESD 30 kV IEC 61000-4-2 contact discharge 2
Lead Soldering Temperature TL 260 °C 2
Junction Temperature TJ -55 150 °C 2
Storage Temperature TSTG -55 150 °C 2

CAD (KiCad official)

  • Symbol: PESD3V3L1BA
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: pesd3v3l1ba-etched.step / pesd3v3l1ba-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pesd3v3l1ba.step / pesd3v3l1ba.glb are the bare package body.

Provenance

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

  • Datasheet: UMW datasheet (7 pp, sha256 4814197bfe8e2863, retrieved 2026-10-22, 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