component
SPD81052A-2
Public Made by Adomby adom
WILLSEMI(Will Semicon) TVS, SMA(DO-214AC). 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
markdownSPD81052A-2
WILLSEMI(Will Semicon) · TVS · SMA(DO-214AC)
SPD81052A-2 from WILLSEMI(Will Semicon), in a SMA(DO-214AC). 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 | WILLSEMI(Will Semicon) |
| Package | SMA(DO-214AC) |
| 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 | VBR | 6.4 | 7.25 | V | @ IT = 10.0 mA | 2 | |
| Maximum Reverse Leakage | IR | 800 | μA | @ VR = 5.0 V | 2 | ||
| Maximum Clamping Voltage | VC | 9.2 | V | @ IPP = 43.5 A | 2 | ||
| Maximum Peak Pulse Current | IPP | 43.5 | A | 2 | |||
| Peak Pulse Power | PPPM | 400 | W | 10/1000µs waveform | 2 | ||
| Peak Pulse Current | IPPM | 43.5 | A | 10/1000µs waveform | 2 | ||
| Junction Temperature | TJ | -55 | 150 | ℃ | 2 | ||
| Operating Temperature | TOP | -40 | 125 | ℃ | 2 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 2 | ||
| Reverse Stand off Voltage | VR | 5 | V | 2 | |||
| Test Current | IT | 10 | mA | 2 |
CAD (KiCad official)
- Symbol:
SPD81052A-2 - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
spd81052a-2-etched.step/spd81052a-2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);spd81052a-2.step/spd81052a-2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WILLSEMI(Will Semicon) datasheet (3 pp, sha256
8b79f13518e7fddb, 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).