Sankosha 3SDH4-Series Gas Discharge Tubes (GDT) – Surge Arresters

Manufacturer: Sankosha., Inc
Model: 3SDH4-Series

Features:

3SDH4-Series

  • UL 479B Recognized (File E140906)
  • High Surge Current Rating
  • Non-Radioactive
  • Surface Mount
  • Small Size
  • RoHS Compliant (100% Lead-Free)
  • ISO 9001 and ISO 14001 Certified
  • Low Capacitance ≤ 0.5pF

Applications:

  • Cable Telephony Products
  • Modems/Cable Modems
  • Broadband/CATV/Coaxial Protectors
  • xDSL Modems and Peripherals
  • Building Entry/Outside Plant
  • Transient Voltage Surge Suppression
Part
Number		DC Breakdown Voltage
(L1-E)(L2-E)		Impulse Breakdown Voltage
(L1-E)(L2-E)		Insulation Resistance(1)DC Holdover Voltage(2)Impulse Life
(L1+L2-E)		Impulse Discharge
Current (L1+L2-E)		AC Discharge Current (L1+L2-E)
100V/s1kV/μs≤ 150ms10/1000μs8/20μs50Hz, 1 Second
3SDH4-7575V ± 20%
(60V – 90V)		≤ 600V≥ 10,000 MΩ≤ 52V100A x 2
(300 Times)		5kA x 2
(5 times in each polarity)		5A x 2
(10 times)
3SDH4-9090V ± 20%
(72V – 108V)		≤ 600V≥ 10,000 MΩ≤ 52V100A x 2
(300 Times)		5kA x 2
(5 times in each polarity)		5A x 2
(10 times)
3SDH4-145145V ± 20%
(116V – 174V)		≤ 600V≥ 10,000 MΩ≤ 80V100A x 2
(300 Times)		5kA x 2
(5 times in each polarity)		5A x 2
(10 times)
3SDH4-200200V ± 20%
(160V – 240V)		≤ 600V≥ 10,000 MΩ≤ 135V100A x 2
(300 Times)		5kA x 2
(5 times in each polarity)		5A x 2
(10 times)
3SDH4-230230V ± 20%
(184V – 276V)		≤ 650V≥ 10,000 MΩ≤ 135V100A x 2
(300 Times)		5kA x 2
(5 times in each polarity)		5A x 2
(10 times)
3SDH4-350350V ± 20%
(280V – 420V)		≤ 750V≥ 10,000 MΩ≤ 135V100A x 2
(300 Times)		5kA x 2
(5 times in each polarity)		5A x 2
(10 times)

 

Notes:
  1. Insulation Resistance for all part numbers is ≥ 10,000 MΩ measured at:
    DC 50V for the 3SDH4-75, 3SDH4-90 and 3SDH4-145
    DC 100V for the 3SDH4-200, 3SDH-230, and 3SDH4-350
  2. GDT will return to high impediance state in ≤ 150ms at the voltage indicated. DC Holdover Voltage measured in accordance with the ITU-T K.12 or the IEEE C62.31-1987 Test Circuit
  3. Capacitance measured at 1 MHz for all part numbers is ≤ 0.5 pF

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