component
SD03-MS
Public Made by Adomby adom
MSKSEMI ESD And Surge Protection (TVS/ESD), SOD-323. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
SD03-MS
MSKSEMI · ESD And Surge Protection (TVS/ESD) · SOD-323
SD03-MS 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse working voltage (VRWM) | VRWM | 3.3 | V | Ta=25℃ (table heading) | 3 | ||
| Breakdown voltage | VB | 4 | V | IT=1 mA; Ta=25℃ (table heading) | 3 | ||
| Clamping voltage at 1 A | VC | 6.5 | V | @1 A; Ta=25℃ (table heading) | 3 | ||
| Clamping voltage | VC | 14 | V | @20 A; Ta=25℃ (table heading) | 3 | ||
| Reverse leakage current | IR | 40 | µA | 3 | |||
| Capacitance | CT | 450 | pF | 3 | |||
| ESD per IEC 61000-4-2 (Air) | VESD | -15 | 15 | kV | IEC 61000-4-2 (Air); printed ±15 | 2 | |
| ESD per IEC 61000-4-2 (Contact) | VESD | -8 | 8 | kV | IEC 61000-4-2 (Contact); printed ±8 | 2 | |
| Peak pulse power | PPP | 350 | W | 8/20μs | 2 | ||
| Operating temperature | TOPT | -55 | 150 | C | 2 | ||
| Storage temperature | TSTG | -55 | 150 | C | 2 | ||
| Lead soldering temperature | TL | 260 | C | 10 sec. | 2 |
CAD (KiCad official)
- Symbol:
SD03-MS - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
sd03-ms-etched.step/sd03-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sd03-ms.step/sd03-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (5 pp, sha256
547799f74c1c165d, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).
# SD03-MS
**MSKSEMI** · ESD And Surge Protection (TVS/ESD) · SOD-323
SD03-MS 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse working voltage (VRWM) | VRWM | | | 3.3 | V | Ta=25℃ (table heading) | 3 |
| Breakdown voltage | VB | 4 | | | V | IT=1 mA; Ta=25℃ (table heading) | 3 |
| Clamping voltage at 1 A | VC | | | 6.5 | V | @1 A; Ta=25℃ (table heading) | 3 |
| Clamping voltage | VC | | | 14 | V | @20 A; Ta=25℃ (table heading) | 3 |
| Reverse leakage current | IR | | | 40 | µA | | 3 |
| Capacitance | CT | | | 450 | pF | | 3 |
| ESD per IEC 61000-4-2 (Air) | VESD | -15 | | 15 | kV | IEC 61000-4-2 (Air); printed ±15 | 2 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -8 | | 8 | kV | IEC 61000-4-2 (Contact); printed ±8 | 2 |
| Peak pulse power | PPP | | | 350 | W | 8/20μs | 2 |
| Operating temperature | TOPT | -55 | | 150 | C | | 2 |
| Storage temperature | TSTG | -55 | | 150 | C | | 2 |
| Lead soldering temperature | TL | | | 260 | C | 10 sec. | 2 |
## CAD (KiCad official)
- Symbol: `SD03-MS`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `sd03-ms-etched.step` / `sd03-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sd03-ms.step` / `sd03-ms.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MSKSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226953002520576) (5 pp, sha256 `547799f74c1c165d`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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](docs/sd03-ms-datasheet.pdf)