component
ESD5B5.0ST1G-MS
Public Made by Adomby adom
MSKSEMI ESD Protection Devices, 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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Contents
README
markdownESD5B5.0ST1G-MS
MSKSEMI · ESD Protection Devices · SOD-523
ESD5B5.0ST1G-MS 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 | TVS/Fuse/Board Level 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 |
|---|---|---|---|---|---|---|---|
| Reverse Breakdown Voltage | VBR | 5.6 | 9 | V | IT = 1mA | 3 | |
| Reverse Leakage Current | IR | 0.1 | μA | VRWM = 5V | 3 | ||
| Clamping Voltage | VC | 11.6 | V | IPP = 5A, tp = 8/20μs | 3 | ||
| Clamping Voltage | VC | 16 | V | IPPmax = 8A , tp = 8/20μs | 3 | ||
| Junction Capacitance | CJ | 10 | 15 | pF | VR = 0V, f = 1MHz | 3 | |
| Reverse Working Voltage | VRWM | 5 | V | 3 | |||
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 | 30 | kV | Contact | 3 | |
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | 30 | kV | Air | 3 | |
| Peak Pulse Power | PPP | 128 | W | 8/20μs | 3 | ||
| Operating Temperature | TOPT | -40 | 150 | ℃ | 3 | ||
| Storage Temperature | TSTG | -40 | 150 | ℃ | 3 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | Terminals: Tin plated, solderable per MIL-STD-750, method 2026 | 2 |
CAD (KiCad official)
- Symbol:
ESD5B5.0ST1G-MS - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
esd5b5-0st1g-ms-etched.step/esd5b5-0st1g-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esd5b5-0st1g-ms.step/esd5b5-0st1g-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (6 pp, sha256
7ac0378a75cd1a56, 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).