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3YW-Series
Sankosha Gas Discharge Tubes (GDT) - Surge Arresters
Applications:

  • Transient Voltage Surge Suppression
  • Telephone Network Interfaces
  • Traffic Control Systems
  • Building Entry/Outside Plant
  • Features:

  • UL 479B Recognized (File E140906)
  • High Surge Current Rating
  • Non-Radioactive
  • RoHS Compliant (100% Lead-Free)
  • ISO 9001 and ISO 14001 Certified
  • Low Capacitance ≤ 3.0pF(1)
  • Proven Performance

  • Part
    Number
    (Model A)
    Part
    Number
    (Model YZ)
    DC Breakdown Voltage
    (L1-E)(L2-E)(2)
    Impulse Breakdown Voltage
    (L1-E)(L2-E)
    Insulation Resistance(3) DC Holdover Voltage(4) Impulse Life (L1+L2-E)
    (8/20μs 1000A)
    Impulse Discharge Current (L1+L2-E)
    (8/20μs)
    AC Discharge Current (L1+L2-E)
    (50Hz)
    100V/s 100V/s 1kV/μs 1 Time 10 Times(5) 9 Cycles
    1 Time
    1 Second
    3YW-230A 3YW-230YZ 230V ≤ 600V ≤ 800V ≥ 10,000 MΩ ≤ 150V 1,000 Times 40 kA 20 kA 400A 10A, 10 Times
    3YW-350A 3YW-350YZ 350V ≤ 650V ≤ 850V ≥ 10,000 MΩ ≤ 150V 1,000 Times 40 kA 20 kA 400A 10A, 10 Times
    3YW-400A 3YW-400YZ 400V ≤ 700V ≤ 900V ≥ 10,000 MΩ ≤ 150V 1,000 Times 40 kA 20 kA 400A 10A, 10 Times


    Notes:
    1. Capacitance measured at 1 MHz for all part numbers is ≤ 3.0 pF
    2. DC Breakdown Voltage Ranges are:
                 20% for 3YW-230 and 3YW-350
                 25% for 3YW-400
    3. Insulation Resistance for all 3YW-Series parts is ≥ 10,000 MΩ measured at DC 100V.
                DC 50V for the 3Y06-90
                DC 100V for the 3Y06-230 and 3Y06-350
    4. DC Holdover Voltage measured in accordance with the ITU-T K.12 or the IEEE C62.31-1987 Test Circuit
    5. 5 times each polarity
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