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Contents

README

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ESDALC6V1W5

Leiditech · ESD And Surge Protection (TVS/ESD) · SOT-353

ESDALC6V1W5 from Leiditech, in a SOT-353. 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 protection channel with a steering diode to the common node on pin 2; reverse working voltage 5V, breakdown 6.1V min at 1mA.
2 GND power_in Common node of the diode array, connected to ground in the application.
3 I/O2 passive ESD protection channel with a steering diode to the common node on pin 2; ±30kV air and ±25kV contact per IEC 61000-4-2.
4 I/O3 passive ESD protection channel with a diode to the common node on pin 2; peak pulse power 150W (8/20µs).
5 I/O4 passive ESD protection channel with a diode to the common node on pin 2; junction capacitance 90pF max at 0V, 1MHz.

Key specifications

Parameter Value
Manufacturer Leiditech
Package SOT-353
Category Circuit Protection
Pins 5

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 Working Voltage VRWM 5 V 2
Reverse Leakage Current IR 1 µA VRWM = 5V 2
Breakdown Voltage VBR 6.1 V IT = 1mA 2
Clamping Voltage VC 15 V IPP = 1A (8 x 20 s pulse) 2
Clamping Voltage VC 20 V IPP = 6A (8 x 20 s pulse) 2
Junction Capacitance CJ 90 pF V = 0V, f = 1MHz 2
Peak Pulse Power (8/20µs) Ppp 150 W 8/20µs 1
ESD per IEC 61000-4-2 (Air) VESD -30 30 Kv IEC 61000-4-2 air discharge 1
ESD per IEC 61000-4-2 (Contact) VESD -25 25 Kv IEC 61000-4-2 contact discharge 1
Operating Temperature Range TJ -40 125 ℃ 1
Storage Temperature Range TSTJ -40 125 ℃ 1

CAD (KiCad official)

  • Symbol: ESDALC6V1W5
  • Footprint: Package_TO_SOT_SMD:SOT-353_SC-70-5
  • 3D model: SOT-353 (KiCad packages3D, STEP)
  • 3D model files: esdalc6v1w5-etched.step / esdalc6v1w5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esdalc6v1w5.step / esdalc6v1w5.glb are the bare package body.

Provenance

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

  • Datasheet: Leiditech datasheet (4 pp, sha256 234abd7d56b9b9b7, retrieved 2026-10-18, 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