component
P4SMA11A
Public Made by Adomby adom
MSKSEMI ESD And Surge Protection (TVS/ESD), SMA. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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P4SMA11A
MSKSEMI · ESD And Surge Protection (TVS/ESD) · SMA
P4SMA11A from MSKSEMI, in a SMA. 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 | SMA |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (unidirectional, min) | VBR | 10.5 | V | @IT test current 1 mA | 3 | ||
| Breakdown voltage (unidirectional, max) | VBR | 11.6 | V | @IT test current 1 mA | 3 | ||
| Reverse stand-off voltage | VRWM | 9.4 | V | 3 | |||
| Maximum clamping voltage | VC | 15.6 | V | @IPP peak pulse current 26.3 A | 3 | ||
| Reverse leakage current | IR | 5 | µA | @ VRWM | 3 | ||
| Peak pulse power dissipation | PPPM | 400 | W | TA=25°C, 10/1000 µs waveform (Note 1,2,4, Fig1) | 3 | ||
| Peak forward surge current | IFSM | 60 | A | 8.3 ms single half sine-wave, JEDEC method (Note 3, Fig4) | 3 | ||
| ESD voltage, contact | VESD1 | 30 | kV | per IEC61000-4-2, contact | 3 | ||
| ESD voltage, air | VESD2 | 30 | kV | per IEC61000-4-2, air | 3 | ||
| Operating junction and storage temperature range | Tj, Tstg | -55 | 150 | ℃ | 3 | ||
| Typical thermal resistance, junction to ambient | RθJA | 100 | ℃/W | mounted on 5 mm² copper pads to each terminal (Note 2) | 3 |
CAD (KiCad official)
- Symbol:
P4SMA11A - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
p4sma11a-etched.step/p4sma11a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p4sma11a.step/p4sma11a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (9 pp, sha256
ec1f092bdee4a124, retrieved 2026-10-15, 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).
# P4SMA11A
**MSKSEMI** · ESD And Surge Protection (TVS/ESD) · SMA
P4SMA11A from MSKSEMI, in a SMA. 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 | SMA |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (unidirectional, min) | VBR | 10.5 | | | V | @IT test current 1 mA | 3 |
| Breakdown voltage (unidirectional, max) | VBR | | | 11.6 | V | @IT test current 1 mA | 3 |
| Reverse stand-off voltage | VRWM | | | 9.4 | V | | 3 |
| Maximum clamping voltage | VC | | | 15.6 | V | @IPP peak pulse current 26.3 A | 3 |
| Reverse leakage current | IR | | | 5 | µA | @ VRWM | 3 |
| Peak pulse power dissipation | PPPM | | | 400 | W | TA=25°C, 10/1000 µs waveform (Note 1,2,4, Fig1) | 3 |
| Peak forward surge current | IFSM | | | 60 | A | 8.3 ms single half sine-wave, JEDEC method (Note 3, Fig4) | 3 |
| ESD voltage, contact | VESD1 | | | 30 | kV | per IEC61000-4-2, contact | 3 |
| ESD voltage, air | VESD2 | | | 30 | kV | per IEC61000-4-2, air | 3 |
| Operating junction and storage temperature range | Tj, Tstg | -55 | | 150 | ℃ | | 3 |
| Typical thermal resistance, junction to ambient | RθJA | | 100 | | ℃/W | mounted on 5 mm² copper pads to each terminal (Note 2) | 3 |
## CAD (KiCad official)
- Symbol: `P4SMA11A`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA (KiCad packages3D, STEP)
- 3D model files: `p4sma11a-etched.step` / `p4sma11a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `p4sma11a.step` / `p4sma11a.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/8600631706361737216) (9 pp, sha256 `ec1f092bdee4a124`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band 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/p4sma11a-datasheet.pdf)