component

P4SMA20A

Public Made by Adom

by adom

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

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 26d ago
viewers p4sma20a: symbol repaired (D_Zener, cathode pad 1) · Ray 4d ago
p4sma20a-etched.glb Publish 0.1.0 · Ray 26d ago
p4sma20a-etched.step p4sma20a: factory component page (tier=lcsc) · Ray 26d ago
p4sma20a-hero.glb p4sma20a: hero GLB from the etched model (keeps the MPN mark) · Ray 26d ago
p4sma20a-hero.overlay.json Publish 0.1.0 · Ray 26d ago
p4sma20a.glb Publish 0.1.0 · Ray 26d ago
p4sma20a.kicad_mod Publish 0.1.0 · Ray 26d ago
p4sma20a.kicad_sym p4sma20a: symbol repaired (D_Zener, cathode pad 1) · Ray 4d ago
p4sma20a.lbr p4sma20a: symbol repaired (D_Zener, cathode pad 1) · Ray 4d ago
p4sma20a.step Publish 0.1.0 · Ray 26d ago
package.json Publish 0.1.0 · Ray 26d ago
page.json Set visibility: public · Ray 26d ago
README.md Publish 0.1.0 · Ray 26d ago

P4SMA20A

MSKSEMI · ESD And Surge Protection (TVS/ESD) · SMA

P4SMA20A from MSKSEMI, in a SMA. 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 K passive Cathode terminal of the unidirectional TVS, marked by the cathode band on the package, for a 17.10V reverse stand-off voltage (VRWM) and 19.00~21.00V breakdown voltage at 1mA.
2 A passive Anode terminal of the unidirectional TVS (no band), which clamps at a maximum of 27.7V at 14.8A peak pulse current.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package SMA
Category Circuit Protection
Pins 2

CAD (KiCad official)

  • Symbol: P4SMA20A
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA (KiCad packages3D, STEP)
  • 3D model files: p4sma20a-etched.step / p4sma20a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); p4sma20a.step / p4sma20a.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (9 pp, sha256 ec1f092bdee4a124, retrieved 2026-10-13, 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