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LM-SM712

Public Made by Adom

by adom

Leiditech ESD And Surge Protection (TVS/ESD), SOT-23. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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LM-SM712

Leiditech · ESD And Surge Protection (TVS/ESD) · SOT-23

LM-SM712 from Leiditech, in a SOT-23. 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 PIN1 passive Protected line (I/O) per the datasheet's Pin1-or-Pin2-to-Pin3 ratings: reverse stand-off 12.0 V, breakdown 13.3 to 16.3 V at IR = 1 mA, reverse leakage 1.0 uA at VRWM = 12 V, and clamping voltage 24.0 V at IPP = 17 A.
2 PIN2 passive Protected line (I/O) with the same Pin1-or-Pin2-to-Pin3 limits: reverse stand-off 12.0 V, breakdown 13.3 to 16.3 V at IR = 1 mA, reverse leakage 1.0 uA at VRWM = 12 V, and clamping voltage 24.0 V at IPP = 17 A.
3 PIN3 passive Common terminal for the clamp ratings: reverse stand-off 7.0 V (Pin3-to-Pin1 or Pin2), breakdown 7.5 to 9.8 V at IR = 1 mA, reverse leakage 1.0 uA at VRWM = 7 V, and clamping voltage 18.0 V at IPP = 22 A.

Key specifications

Parameter Value
Manufacturer Leiditech
Package SOT-23
Category Circuit Protection
Pins 3

CAD (KiCad official)

  • Symbol: LM-SM712
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: lm-sm712-etched.step / lm-sm712-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm-sm712.step / lm-sm712.glb are the bare package body.

Provenance

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

  • Datasheet: Leiditech datasheet (4 pp, sha256 94e930e203aba345, retrieved 2026-10-22, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF