component
PESD3V3S1UB-TP
Public Made by Adomby adom
TECH PUBLIC ESD Protection Devices, SOD-523. 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
markdownPESD3V3S1UB-TP
TECH PUBLIC · ESD Protection Devices · SOD-523
PESD3V3S1UB-TP from TECH PUBLIC, 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 of the 1-line uni-directional TVS diode, connected to the protected power or I/O line (VRWM 3.3V max, VBR 4.5V min at 1mA). |
| 2 | A | passive | Anode of the uni-directional TVS diode, connected to ground (reference) for ESD protection of ±30kV air/contact per IEC 61000-4-2. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOD-523 |
| Category | TVS/Fuse/Board Level Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
PESD3V3S1UB-TP - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
pesd3v3s1ub-tp-etched.step/pesd3v3s1ub-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pesd3v3s1ub-tp.step/pesd3v3s1ub-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECH PUBLIC datasheet (4 pp, sha256
e704154a80e543cf, retrieved 2026-10-22, 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).