component
MS0402ESDA-14
Public Made by Adomby adom
MSKSEMI ESD And Surge Protection (TVS/ESD), 0402. 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
markdownMS0402ESDA-14
MSKSEMI · ESD And Surge Protection (TVS/ESD) · 0402
MS0402ESDA-14 from MSKSEMI, in a 0402. 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 | 0402 |
| 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 |
|---|---|---|---|---|---|---|---|
| Varistor voltage tolerance | VB | -20 | 20 | % | 2 | ||
| Maximum clamping voltage | VC | 250 | V | Measured at 1A by 8/20µs Pulse | 2 | ||
| Leakage current at VB x80% (after reliability test) | ILVBA | 100 | µΑ | After reliability test | 2 | ||
| Leakage current at VB x80% (initial state) | ILVB | 20 | µΑ | At initial state | 2 | ||
| Response time | T rise | 1 | ns | 2 | |||
| Capacitance tolerance | -0.3 | 0.3 | PF | 2 | |||
| Operating ambient temperature | -55 | 125 | ℃ | 2 | |||
| Storage temperature | -40 | 125 | ℃ | 2 | |||
| Reflow temperature profile (recommended) | 260 | ℃ | Recommended reflow temperature profile | 2 | |||
| Varistor voltage | VB | 130 | V | Measured at 1mA DC | 2 | ||
| Typical capacitance value | C | 1 | pF | Measured at f=1kHz, Vrms=0.5V | 2 |
CAD (KiCad official)
- Symbol:
MS0402ESDA-14 - Footprint:
Diode_SMD:D_0402_1005Metric - 3D model: 0402, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.4 mm nominal 0402 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
ms0402esda-14-etched.step/ms0402esda-14-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ms0402esda-14.step/ms0402esda-14.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (6 pp, sha256
72e96d46fabb2282, retrieved 2026-10-19, 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).