SP4042-02UTG - SP4042 Series

Series: SP4042 Questions? Contact Littelfuse Support

The SP4042 integrates low capacitance steering diodes with a TVS diode to provide 2 channels of protection against lightning induced surge events and ESD. This robust device can safely absorb up to 120A per IEC61000-4-5 (tP= 2/10μs) without performance degradation and a minimum ±30kV ESD per IEC61000-4-2 international standard. The low loading capacitance makes the SP4042 ideal for protecting Ethernet interfaces.


  • ESD, IEC61000-4-2, ±30kV contact, ±30kV air
  • Lightning, IEC61000-4-5, 2nd edition,120A (tP=2/10μs)
  • EFT, IEC61000-4-4, 40A (tP=5/50ns)
  • Low capacitance of 11pF(TYP) per line
  • Low leakage current of 0.1μA (MAX) at 3.3V
  • Lead-free and RoHS compliant


    • 10/100/1000 Ethernet Interfaces
    • Customer Premise Equipment (CPE)
    • Carrier Class Equipment
    • PBX Systems