component
MS05A40LWT
Public Made by Adomby adom
MSKSEMI Schottky Barrier Diodes (SBD), SOD-523. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdownMS05A40LWT
MSKSEMI · Schottky Barrier Diodes (SBD) · SOD-523
MS05A40LWT from MSKSEMI, in a SOD-523. 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOD-523 |
| 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) | 500 | mA | 3 | |||
| Peak Forward Surge Current | IFSM | 5 | A | At 8.3ms single half sine-wave | 3 | ||
| Operating Junction Temperature | TJ | -55 | 125 | ℃ | 3 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 3 | ||
| Breakdown Voltage | VBR | 40 | V | IR=100uA, Ta=25℃ | 3 | ||
| Reverse Leakage Current | IR | 50 | μA | VR=20V, Ta=25℃ | 3 | ||
| Reverse Leakage Current | IR | 80 | μA | VR=40V, Ta=25℃ | 3 | ||
| Forward Voltage | VF | 0.37 | V | IF=100mA, Ta=25℃ | 3 | ||
| Forward Voltage | VF | 0.5 | V | IF=500mA, Ta=25℃ | 3 | ||
| Junction Capacitance | CJ | 36 | pF | VR = 5V, f = 1MHz, Ta=25℃ | 3 |
CAD (KiCad official)
- Symbol:
MS05A40LWT - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
ms05a40lwt-etched.step/ms05a40lwt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ms05a40lwt.step/ms05a40lwt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (6 pp, sha256
b10996eba202b970, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).