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MS2A40LWS
Public Made by Adomby adom
MSKSEMI Schottky Diodes, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMS2A40LWS
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ms2a40lws.step/ms2a40lws.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).