AQ3400 Series - 1pF, ±30kV Diode Array

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The AQ3400 integrates 2 channels of low capacitance steering diodes and an additional zener diode to provide protection for electronic equipment that may experience destructive electrostatic discharges (ESD). The AQ3400 can safely absorb repetitive ESD strikes above the maximum contact level specified in IEC 61000-4-2 international standard (Level 4, ±8kV contact discharge) without performance degradation. The low off-state capacitance makes it ideal for protecting high-speed signal lines such as USB2.0 or USB 3.0 and 1Gb Ethernet with an extremely low dynamic resistance to protect the most sensitive, state of the art chipsets against ESD transients.


  • ESD, IEC 61000-4-2, ±30kV contact, ±30kV air 
  • ESD, ISO 10605, 330pF 330Ω, ±30kV contact, ±30kV air 
  • EFT, IEC 61000-4-4, 80A (tP=5/50ns) 
  • Lightning, 8A (8/20μs as defined in IEC 61000-4-5 2nd edition) 
  • Low capacitance of 1pF (TYP) per I/O 
  • Low leakage current of 0.01μA (TYP) at 5V 
  • Small form factor μDFN (JEDEC MO-229) package provides flow through routing to simplify PCB layout 
  • AEC-Q101 qualified 
  • Moisture Sensitivity Level(MSL -1)
  • Halogen free, lead free and RoHS compliant
  • PPAP capable

Markets/ Applications:

  • Automotive Electronics 
  • LCD/PDP TVs 
  • External Storages 
  • DVD/Blu-ray Players 
  • Set Top Boxes 
  • Smartphones
  • Ultrabooks/Notebooks 
  • Digital Cameras 
  • Portable Medical 
  • Wearable Technology

Access specifications, certifications, check availability and order parts below

Catalog #AEC-Q101 QualifiedStandoff
ESD Contact
SizePolarityChannelsMountingPublic part (Yes/No)Product CategorySample CapableStockSamples
AQ3400-02UTGYES50.5±30±308A9.2V@1A3uDFN-6Yes2Surface MountYesLow Capacitance ESD ProtectionYesCheckOrder