component
LCDA12C-1
Public Made by Adomby adom
TECH PUBLIC ESD And Surge Protection (TVS/ESD), SOT-143. Pinout cross-checked by two models against the datasheet, 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
markdownLCDA12C-1
TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOT-143
LCDA12C-1 from TECH PUBLIC, in a SOT-143. 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 | Connected internally to pin 4 on the upper rail of the two-diode TVS channels in the page 1 diagram; the datasheet gives no pin name or function text. |
| 2 | 2 | passive | Connected internally to pin 3 on the lower rail of the two-diode TVS channels in the page 1 diagram; the datasheet gives no pin name or function text. |
| 3 | 3 | passive | Connected internally to pin 2 on the lower rail of the TVS channels in the page 1 diagram; the datasheet gives no pin name or function text. |
| 4 | 4 | passive | Connected internally to pin 1 on the upper rail of the TVS channels in the page 1 diagram; the datasheet gives no pin name or function text. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-143 |
| Category | Circuit Protection |
| Pins | 4 |
CAD (KiCad official)
- Symbol:
LCDA12C-1 - Footprint:
Package_TO_SOT_SMD:SOT-143 - 3D model: SOT-143 (KiCad packages3D, STEP)
- 3D model files:
lcda12c-1-etched.step/lcda12c-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lcda12c-1.step/lcda12c-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECH PUBLIC datasheet (4 pp, sha256
807e1fb8c61bfd30, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(vision), consensusclaude-opus-5-5(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).