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Contents

README

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PSD12C-ES

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

PSD12C-ES from ElecSuper, 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 IO1 passive Connect to IO; one side of the bi-directional TVS protecting a data line (VRWM 12V, VBR 13.3V min at 1mA).
2 IO2 passive Connect to IO; other side of the bi-directional TVS protecting a data line (VRWM 12V, VBR 13.3V min at 1mA).

Key specifications

Parameter Value
Manufacturer ElecSuper
Package SOD-323
Category Circuit 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 V IT=1mA 3
Reverse Leakage Current IR 1 uA VRWM=12V 3
Clamping Voltage VC 20 V IPP=1A; tp=8/20us 3
Clamping Voltage VC 37 V IPP=12A; tp=8/20us 3
Peak pulse power Ppk 350 W tp=8/20us @25℃ 2
Peak pulse current IPP 12 A tp=8/20us @25℃ 2
ESD (IEC61000-4-2 air discharge) VESD 30 kV @25℃ (printed ±30) 2
ESD (IEC61000-4-2 contact discharge) VESD 30 kV @25℃ (printed ±30) 2
Junction temperature TJ 150 ℃ 2
Operating temperature TOP -40 125 ℃ 2
Storage temperature TSTG -55 150 ℃ 2
Lead temperature TL 260 ℃ 2
Reverse Stand-off Voltage VRWM 12 V 3
Junction Capacitance CJ 70 pF I/O to GND; VR=0V; f=1MHz 3

CAD (KiCad official)

  • Symbol: PSD12C-ES
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: psd12c-es-etched.step / psd12c-es-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); psd12c-es.step / psd12c-es.glb are the bare package body.

Provenance

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

  • Datasheet: ElecSuper datasheet (6 pp, sha256 298b52ac2d54c1c8, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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