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ESD5V3U4RRS

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UMW ESD And Surge Protection (TVS/ESD), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ESD5V3U4RRS

UMW · ESD And Surge Protection (TVS/ESD) · SOT-363

ESD5V3U4RRS from UMW, in a SOT-363. 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 CH1 passive ESD/surge protection channel 1 (I/O line), rated for IEC 61000-4-2 ±15 kV contact and ±20 kV air discharge and IEC 61000-4-5 5 A (8/20 µs), with 5 V reverse working voltage.
2 GND power_in Ground reference pin for the ESD protection array.
3 CH2 passive ESD/surge protection channel 2 (I/O line), rated for IEC 61000-4-2 ±15 kV contact and ±20 kV air discharge and IEC 61000-4-5 5 A (8/20 µs), with 5 V reverse working voltage.
4 CH3 passive ESD/surge protection channel 3 (I/O line), rated for IEC 61000-4-2 ±15 kV contact and ±20 kV air discharge and IEC 61000-4-5 5 A (8/20 µs), with 5 V reverse working voltage.
5 VDD power_in Supply/reference pin of the protection array; the datasheet specifies a low operating voltage of 5 V (VRWM = 5 V) but does not explicitly define this pin's function.
6 CH4 passive ESD/surge protection channel 4 (I/O line), rated for IEC 61000-4-2 ±15 kV contact and ±20 kV air discharge and IEC 61000-4-5 5 A (8/20 µs), with 5 V reverse working voltage.

Key specifications

Parameter Value
Manufacturer UMW
Package SOT-363
Category Circuit Protection
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Peak Pulse Power (8/20μs) PPK 70 W 8/20μs 1
Peak Pulse Current (8/20µs) IPP 5 A 8/20µs 1
ESD per IEC 61000-4-2 (Air) VESD -20 20 kV IEC 61000-4-2 air discharge 1
ESD per IEC 61000-4-2 (Contact) VESD -15 15 kV IEC 61000-4-2 contact discharge 1
Junction Temperature Range TJ -55 125 °C 1
Storage Temperature Range TSTG -55 150 °C 1

CAD (KiCad official)

  • Symbol: ESD5V3U4RRS
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: esd5v3u4rrs-etched.step / esd5v3u4rrs-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esd5v3u4rrs.step / esd5v3u4rrs.glb are the bare package body.

Provenance

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

  • Datasheet: UMW datasheet (6 pp, sha256 113b845a7ffef644, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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