component

LY712

Public Made by Adom

by adom

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

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LY712

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

LY712 from Liown, 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 Data-line TVS terminal referenced to Pin3; for the Pin1-to-Pin3 path the datasheet gives 12V maximum reverse working voltage, 13.3V minimum breakdown at 1mA, and 0.5µA maximum reverse leakage at 12V.
2 Pin2 passive Data-line TVS terminal referenced to Pin3; for the Pin2-to-Pin3 path the datasheet gives the same 12V maximum reverse working voltage, 13.3V minimum breakdown at 1mA, and 0.5µA maximum reverse leakage at 12V.
3 Pin3 passive Common terminal of the TVS pair; for the Pin3-to-Pin1 and Pin3-to-Pin2 paths the datasheet gives 7V maximum reverse working voltage, 7.5V minimum breakdown at 1mA, and 0.5µA maximum reverse leakage at 7V.

Key specifications

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

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 (Pin1 to Pin3 and Pin2 to Pin3) VRWM 12 V 2
Breakdown Voltage (Pin1 to Pin3 and Pin2 to Pin3) VBR 13.3 V IT = 1mA 2
Reverse Leakage Current (Pin1 to Pin3 and Pin2 to Pin3) IR 0.5 µA VRWM = 12V 2
Clamping Voltage (Pin1 to Pin3 and Pin2 to Pin3), IPP = 5A (8/20µs) VC 20 V IPP = 5A (8/20µs) 2
Clamping Voltage (Pin1 to Pin3 and Pin2 to Pin3), IPP = 13A (8/20µs) VC 25 V IPP = 13A (8/20µs) 2
Reverse Working Voltage (Pin3 to Pin1 and Pin3 to Pin2) VRWM 7 V 2
Breakdown Voltage (Pin3 to Pin1 and Pin3 to Pin2) VBR 7.5 V IT = 1mA 2
Reverse Leakage Current (Pin3 to Pin1 and Pin3 to Pin2) IR 0.5 µA VRWM = 7V 2
Clamping Voltage (Pin3 to Pin1 and Pin3 to Pin2), IPP = 5A (8/20µs) VC 14 V IPP = 5A (8/20µs) 2
Clamping Voltage (Pin3 to Pin1 and Pin3 to Pin2), IPP = 13A (8/20µs) VC 16 V IPP = 13A (8/20µs) 2
Peak Pulse Power (8/20µs) PPP 325 W 2
Peak Pulse Current (8/20µs) IPP 13 A 2
ESD per IEC 61000−4−2 (Air) VESD -30 30 kV 2
ESD per IEC 61000−4−2 (Contact) VESD -30 30 kV 2
Ambient Temperature Range TA -55 125 ℃ 2
Storage Temperature Range TSTG -55 150 ℃ 2

CAD (KiCad official)

  • Symbol: LY712
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ly712-etched.step / ly712-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ly712.step / ly712.glb are the bare package body.

Provenance

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

  • Datasheet: Liown datasheet (5 pp, sha256 c229bb42a3670e84, retrieved 2026-10-17, 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