component

SRV05-4LA 4A

Public Made by Adom

by adom

DOWO ESD And Surge Protection (TVS/ESD), SOT-23-6L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SRV05-4LA 4A

DOWO · ESD And Surge Protection (TVS/ESD) · SOT-23-6L

SRV05-4LA 4A from DOWO, in a SOT-23-6L. 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 ESD-protected I/O line steered to GND/Vcc by diodes; I/O-to-GND capacitance 0.5pF typ., 0.8pF max, with working voltage 5V.
2 GND power_in Ground reference pin of the TVS array, connected to the central Zener diode and the lower steering diodes.
3 I/O2 passive ESD-protected I/O line steered to GND/Vcc by diodes; I/O-to-GND capacitance 0.5pF typ., 0.8pF max, with working voltage 5V.
4 I/O3 passive ESD-protected I/O line steered to GND/Vcc by diodes; I/O-to-GND capacitance 0.5pF typ., 0.8pF max, with working voltage 5V.
5 Vcc power_in Positive rail of the TVS array connected to the upper steering diodes and the Zener cathode; reverse stand-off voltage 5V.
6 I/O4 passive ESD-protected I/O line steered to GND/Vcc by diodes; I/O-to-GND capacitance 0.5pF typ., 0.8pF max, with working voltage 5V.

Key specifications

Parameter Value
Manufacturer DOWO
Package SOT-23-6L
Category Circuit Protection
Pins 6

CAD (KiCad official)

  • Symbol: SRV05-4LA 4A
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6L (KiCad packages3D, STEP)
  • 3D model files: srv05-4la-4a-etched.step / srv05-4la-4a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); srv05-4la-4a.step / srv05-4la-4a.glb are the bare package body.

Provenance

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

  • Datasheet: DOWO datasheet (4 pp, sha256 c8ad3cb46de59976, 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