component
MSPESD5Z12
Public Made by Adomby adom
MSKSEMI ESD And Surge Protection (TVS/ESD), 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.
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MSPESD5Z12
MSKSEMI · ESD And Surge Protection (TVS/ESD) · SOD-523
MSPESD5Z12 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 | 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 leakage current (max) | IR | 0.5 | µA | 3 | |||
| Breakdown voltage (min) | VB | 14.1 | V | IT = 1 mA | 3 | ||
| Clamping voltage (max), first VC column | VC | 20 | V | @ 1.0 A | 3 | ||
| Clamping voltage (max), second VC column | VC | 28 | V | @ 7.0 A | 3 | ||
| Peak pulse power (max) | PPK | 150 | W | 3 | |||
| Junction capacitance (max) | CJ | 45 | pF | 3 | |||
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | 30 | kV | 3 | ||
| ESD per IEC 61000-4-2 (Contact) | VESD | -22 | 22 | kV | 3 | ||
| ESD Voltage per human body model | ESD | 16 | kV | 3 | |||
| ESD Voltage per machine model | ESD | 400 | V | 3 | |||
| Total power dissipation on FR-5 board | PD | 150 | mW | Ta = 25 ℃ (Note 1, FR-5 = 1.0x0.75x0.62 in.) | 3 | ||
| Junction and storage temperature | TJ, TSTG | -55 | 150 | ℃ | 3 | ||
| Lead solder temperature, maximum | TL | 260 | ℃ | 10 second duration | 3 |
CAD (KiCad official)
- Symbol:
MSPESD5Z12 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
mspesd5z12-etched.step/mspesd5z12-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mspesd5z12.step/mspesd5z12.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (6 pp, sha256
29a3a2d05354d527, 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).
# MSPESD5Z12
**MSKSEMI** · ESD And Surge Protection (TVS/ESD) · SOD-523
MSPESD5Z12 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 | 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 leakage current (max) | IR | | | 0.5 | µA | | 3 |
| Breakdown voltage (min) | VB | 14.1 | | | V | IT = 1 mA | 3 |
| Clamping voltage (max), first VC column | VC | | | 20 | V | @ 1.0 A | 3 |
| Clamping voltage (max), second VC column | VC | | | 28 | V | @ 7.0 A | 3 |
| Peak pulse power (max) | PPK | | | 150 | W | | 3 |
| Junction capacitance (max) | CJ | | | 45 | pF | | 3 |
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | | 30 | kV | | 3 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -22 | | 22 | kV | | 3 |
| ESD Voltage per human body model | ESD | | | 16 | kV | | 3 |
| ESD Voltage per machine model | ESD | | | 400 | V | | 3 |
| Total power dissipation on FR-5 board | PD | | | 150 | mW | Ta = 25 ℃ (Note 1, FR-5 = 1.0x0.75x0.62 in.) | 3 |
| Junction and storage temperature | TJ, TSTG | -55 | | 150 | ℃ | | 3 |
| Lead solder temperature, maximum | TL | | | 260 | ℃ | 10 second duration | 3 |
## CAD (KiCad official)
- Symbol: `MSPESD5Z12`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `mspesd5z12-etched.step` / `mspesd5z12-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mspesd5z12.step` / `mspesd5z12.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/8590181830470373376) (6 pp, sha256 `29a3a2d05354d527`, 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/mspesd5z12-datasheet.pdf)