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Sankosha SD4-Series Gas Tube Arresters
Applications:
  • Cable Telephony Products
  • Modems/Cable Modems
  • Broadband/CATV/Coaxial Protectors
  • xDSL Modems and Peripherals
  • Building Entry/Outside Plant
  • Transient Voltage Surge Suppression
    		• Features:
  • UL 497B Recognized (File E140906)
  • High Surge Current Rating
  • Non-Radioactive
  • RoHS Compliant (100% Lead-Free)
  • ISO 9001 Certified
  • Low Capacitance ≤ 0.5pF
  • Proven Performance
    • Part
    Number    		 DC Breakdown Voltage(1) Impulse Breakdown Voltage Insulation Resistance
    MΩ(2)    		 DC Holdover Voltage
    V(4)    		 Impulse Life Impulse Discharge Current
    8/20μs
    1 Time    		 AC
    Discharge Current
    50Hz
    100V/s 1KV/μs 8/20μs, 100A 10/1000μs, 50A 1 Second
    SD4-75 75V ≤ 600V ≥ 10,000 ≤ 52V 1,000 Times n/a 2.5 kA 5A, 1 Time
    SD4-90 90V ≤ 600V ≥ 10,000 ≤ 52V 1,000 Times n/a 2.5 kA 5A, 1 Time
    SD4-145 145V ≤ 600V ≥ 10,000 ≤ 80V 1,000 Times n/a 2.5 kA 5A, 1 Time
    SD4-200 200V ≤ 600V ≥ 10,000 ≤ 135V 1,000 Times n/a 2.5 kA 5A, 1 Time
    SD4-230 230V ≤ 650V ≥ 10,000 ≤ 135V n/a 300 Times 2.5 kA 5A, 1 Time
    SD4-350(3) 350V ≤ 700V ≥ 10,000 ≤ 135V n/a 300 Times 2.5 kA 5A, 1 Time
    Notes:
    1. DC Breakdown Voltage Ranges are ± 20%
    2. Insulation Resistance measured at:
            DC 50V for the SD4-75, SD4-90 and SD4-145
            DC 100V for the SD4-200, SD4-230 and SD4-350
    3. The SD4-350 is not currenly UL Recognized.
    4. DC Holdover Voltage measured in accordance with the ITU-T K.12.
    5. Capacitance measured at 1 MHz for all part numbers is ≤ 0.5 pF
    6. Available on tape and reel
    		 
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    Sankosha U.S.A., Inc., 406 Amapola Avenue, Suite 135, Torrance, CA 90501
    Toll Free: 888.711.2436 Ph: 310.320.1661 Fax: 310.618.6869 Email: sales@sankosha-usa.com