component

H3V3SD3B

Public Made by Adom

by adom

hongjiacheng ESD And Surge Protection (TVS/ESD), SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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H3V3SD3B

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); h3v3sd3b.step / h3v3sd3b.glb are 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, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF