component
HPESDU4581D3H
Public Made by Adomby adom
HXY MOSFET ESD And Surge Protection (TVS/ESD), SOD-323. 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
markdownHPESDU4581D3H
HXY MOSFET · ESD And Surge Protection (TVS/ESD) · SOD-323
HPESDU4581D3H from HXY MOSFET, 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| 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 |
|---|---|---|---|---|---|---|---|
| Storage Temperature Range | Tstg | -55 | 155 | °C | 1 | ||
| Operating Temperature Range | Top | -40 | 125 | °C | 1 | ||
| Maximum junction temperature | Tj | 150 | °C | 1 | |||
| Maximum lead temperature for soldering | TL | 260 | °C | 10s | 1 | ||
| ESD IEC61000-4-2 air discharge | -30 | 30 | KV | IEC61000-4-2 air discharge | 1 | ||
| ESD IEC61000-4-2 contact discharge | -30 | 30 | KV | IEC61000-4-2 contact discharge | 1 | ||
| EFT IEC61000-4-4 | 40 | A | 1 | ||||
| Reverse Working Voltage | VRWM | 4.5 | V | 2 | |||
| Reverse Breakdown Voltage | VBR | 4.6 | 5.2 | 6.4 | V | IT = 1mA | 2 |
| Reverse Leakage Current | IR | 1 | μA | VRWM = 4.5V | 2 | ||
| Clamping Voltage | VC | 11 | V | IRWM = 50A, tp = 8/20μs | 2 | ||
| Clamping Voltage | VC | 20 | V | IRWM = 160A, tp = 8/20μs | 2 |
CAD (KiCad official)
- Symbol:
HPESDU4581D3H - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
hpesdu4581d3h-etched.step/hpesdu4581d3h-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hpesdu4581d3h.step/hpesdu4581d3h.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HXY MOSFET datasheet (4 pp, sha256
c468e80ef22e7c27, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).