component
PESD3V3U1UA
Public Made by Adomby adom
Nexperia ESD And Surge Protection (TVS/ESD), SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Contents
README
markdownPESD3V3U1UA
Nexperia · ESD And Surge Protection (TVS/ESD) · SOD-323
PESD3V3U1UA from Nexperia, in a SOD-323. 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 unidirectional ESD protection diode, marked by the marking bar; connects to the protected line (VRWM 3.3 V max, Cd 2.6 pF typ pin 1 to 2). |
| 2 | A | passive | Anode of the unidirectional ESD protection diode, connected to ground in the application. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOD-323 |
| 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 | 4.5 | 5.6 | 6.8 | V | IR = 5 mA; Tamb = 25 °C; measured from pin 1 to 2 | 4 |
| reverse leakage current | IRM | 1 | 100 | nA | VRWM = 3 V; Tamb = 25 °C | 4 | |
| diode capacitance | Cd | 2.6 | 3.1 | pF | f = 1 MHz; VR = 0 V; Tamb = 25 °C; measured from pin 1 to 2 | 4 | |
| differential resistance | Rdiff | 100 | Ω | IR = 5 mA; Tamb = 25 °C | 4 | ||
| reverse standoff voltage | VRWM | 3.3 | V | Tamb = 25 °C | 4 | ||
| junction temperature | Tj | 150 | °C | 3 | |||
| ambient temperature | Tamb | -55 | 150 | °C | 3 | ||
| storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| electrostatic discharge voltage (contact) | VESD | 9 | kV | IEC 61000-4-2; contact discharge; ten non-repetitive ESD pulses | 3 | ||
| electrostatic discharge voltage (HBM) | VESD | 10 | kV | MIL-STD-883; human body model (HBM) | 3 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | pet | voltage MIL-STD-883; human body model (HBM) - 10 kV [1] Device stressed with ten non-repetitive ESD pulses. | 3 |
CAD (KiCad official)
- Symbol:
PESD3V3U1UA - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
pesd3v3u1ua-etched.step/pesd3v3u1ua-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pesd3v3u1ua.step/pesd3v3u1ua.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (11 pp, sha256
566b40d2dee03df7, retrieved 2026-10-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-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).