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Contents

README

markdown

ESD3Z12CA

YFW · Electrostatic And Surge Protection (TVS/ESD) · SOD-323

ESD3Z12CA from YFW, in a SOD-323. 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 Cathode passive Cathode terminal of the bidirectional ESD protection diode, rated for 12.0 V reverse stand-off voltage and 350 W peak pulse power at tp=8/20 us.
2 Anode passive Anode terminal of the bidirectional ESD protection diode, rated for 12.0 V reverse stand-off voltage and 350 W peak pulse power at tp=8/20 us.

Key specifications

Parameter Value
Manufacturer YFW
Package SOD-323
Category TVS/Fuse/Board Level Protection
Pins 2

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 Breakdown Voltage VBR 13.3 15.5 V IT=1mA 1
Reverse Leakage Current IR 1 uA VRWM=12V,Ta=25℃ 1
Reverse Stand-Off Voltage VDRM 12 V 1
Clamping Voltage VC 24 V IPP=15A,tp=8/20us 1
Junction Capacitance Cj 100 pF VR=0V,f=1HMz 1
Peak Pulse Power PPPM 350 W tp=8/20us 1
Peak Pulse Current IPP 15 A tp=8/20us 1
Operating Junction Temperature TJ -55 150 °C 1
Storage Temperature TSTG -55 150 °C 1

CAD (KiCad official)

  • Symbol: ESD3Z12CA
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: esd3z12ca-etched.step / esd3z12ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esd3z12ca.step / esd3z12ca.glb are the bare package body.

Provenance

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

  • Datasheet: YFW datasheet (3 pp, sha256 75226e650e9baf8c, retrieved 2026-10-27, 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