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MS2A40LWS

Public Made by Adom

by adom

MSKSEMI Schottky Diodes, SOD-323. 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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MS2A40LWS

MSKSEMI · Schottky Diodes · SOD-323

MS2A40LWS from MSKSEMI, 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 K passive Cathode of the Schottky diode, marked by the band on the package and shown as the '-' lead in the package drawing; VRRM/VR rating 40 V.
2 A passive Anode of the Schottky diode, shown as the '+' lead in the package drawing; average forward current IF(AV) 2 A.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package SOD-323
Category Diodes
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
Maximum repetitive reverse voltage VRRM 40 V 3
Maximum DC blocking reverse voltage VR 40 V 3
Average Forward Current IF(AV) 2 A 3
Peak Forward Surge Current IFSM 20 A At 8.3ms single half sine-wave 3
Operating Junction Temperature TJ -50 125 ℃ 3
Storage Temperature Range TSTG -50 150 ℃ 3
Breakdown Voltage VBR 40 V IR=0.1mA 3
Reverse Leakage Current IR 80 μA VR=40V 3
Forward Voltage VF 0.37 0.42 V IF=1A 3
Forward Voltage VF 0.5 V IF=2A 3
Junction Capacitance CJ 340 400 pF VR = 0V, f = 1MHz 3

CAD (KiCad official)

  • Symbol: MS2A40LWS
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: ms2a40lws-etched.step / ms2a40lws-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ms2a40lws.step / ms2a40lws.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (6 pp, sha256 eb1d56e2826581be, retrieved 2026-10-23, 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