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Contents

README

markdown

H12VND3B

hongjiacheng · ESD And Surge Protection (TVS/ESD) · SOD-323

H12VND3B 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 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 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 12 V Ta=25℃ 2
Breakdown Voltage VBR 13.3 16.5 V IR=1.0mA,Ta=25℃ 2
Reverse Leakage Current IR 1 μA VR=12V,Ta=25℃ 2
Clamping Voltage VC 20 V IPP=5.0A, tp=8/20μs 2
Clamping Voltage VC 30 V IPP=15A, tp=8/20μs 2
Junction Capacitance CJ 50 pF VR=0V,f=1MHz 2
Electrostatic Discharge Voltage (air) VESD -30 30 KV ESD per IEC 61000-4-2 (Air) 1
Electrostatic Discharge Voltage (contact) VESD -30 30 KV ESD per IEC 61000-4-2 (Contact) 1
Peak Pulse Power PPP 450 W tp = 8/20 µs 1
Rated Peak Pulse Current IPP 15 A tp = 8/20 µs 1
Operating Junction Temperature Range TJ -55 125 ℃ 1
Storage Temperature Range TSTG -55 150 ℃ 1

CAD (KiCad official)

  • Symbol: H12VND3B
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: h12vnd3b-etched.step / h12vnd3b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); h12vnd3b.step / h12vnd3b.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: hongjiacheng datasheet (3 pp, sha256 da08af600f0d3c62, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (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