component
H3V3SD3B
Public Made by Adomby adom
hongjiacheng ESD And Surge Protection (TVS/ESD), SOD-323. 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
markdownH3V3SD3B
hongjiacheng · ESD And Surge Protection (TVS/ESD) · SOD-323
H3V3SD3B from hongjiacheng, 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 | One terminal of the bidirectional ESD protection diode, shown as pin 1 in the function diagram, rated for a 3.3V maximum reverse working voltage and ±30kV ESD per IEC 61000-4-2 (air and contact). |
| 2 | 2 | passive | The other terminal of the bidirectional ESD protection diode, shown as pin 2 in the function diagram, rated for a 3.3V maximum reverse working voltage and ±30kV ESD per IEC 61000-4-2 (air and contact). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Reverse Working Voltage | VRWM | 3.3 | V | Ta=25℃ | 2 | ||
| Breakdown Voltage | VBR | 5 | 8 | V | IR=1mA, Ta=25℃ | 2 | |
| Reverse Leakage Current | IR | 0.5 | μA | VR=3.3V, Ta=25℃ | 2 | ||
| Clamping Voltage | VC | 9.5 | V | IPP=1A, tp=8/20μs | 2 | ||
| Clamping Voltage | VC | 19 | V | IPP=20A, tp=8/20μs | 2 | ||
| Junction Capacitance | CJ | 1 | 1.5 | pF | VR=0V, f=1MHz | 2 | |
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | 30 | kV | ESD per IEC 61000-4-2 (Air), printed ±30 KV | 1 | |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 | 30 | kV | ESD per IEC 61000-4-2 (Contact), printed ±30 KV | 1 | |
| Peak Pulse Power | PPP | 380 | W | tp = 8/20 µs | 1 | ||
| Rated Peak Pulse Current | IPP | 20 | A | tp = 8/20 µs | 1 | ||
| Operating Junction Temperature Range | TJ | -55 | 125 | ℃ | 1 | ||
| Operating JunctionTemperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Peak Temp (TP) | TP | 260 | ℃ | Pb-free reflow; printed +260(+0/-5)℃; do not exceed +260℃ | 3 |
CAD (KiCad official)
- Symbol:
H3V3SD3B - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
h3v3sd3b-etched.step/h3v3sd3b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);h3v3sd3b.step/h3v3sd3b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: hongjiacheng datasheet (3 pp, sha256
7b0b02cd13e3de9b, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).