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Home » NEWEST Products » New by Manufacturer » Bourns » Bourns 2020 T 3-Pole Fast Gas Discharge Tubes
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Bourns 2020 T 3-Pole Fas Gas Discharge Tubes

Bourns 2020 T Series 3-Pole Fast Gas Discharge Tubes are designed for use with Bourns TBU® High-Speed Protectors to provide an ideal protection solution for a broad number of industrial applications as well as telecom applications requiring GR-1089 or ITU-T K.21 compliance. These GDT devices provide coordinated overvoltage protection for TBU® High-Speed Protector models TBU-CA050-500-WH, TBU-CA065-100-WH, and TBU-CA085-200-WH. Together, they provide extremely fast overcurrent protection and overvoltage protection against electrical transients - in less than one microsecond at the rated current. The Bourns® 2020 T Series 3-Pole Fast Gas Discharge Tubes are available with an optional fail-short mechanism for applications requiring UL safety standard compliance and also available as RoHS versions.

Additional Resource:
Bourns PortNote® Circuit Protection Design Kits

  • 3 element over voltage protector
  • Designed to work with Bourns TBU®
    High-Speed Protector
  • Fast switching design that limits voltage overshoot
  • High surge handling capabilities
  • Low capacitance
  • Balanced
  • Stable breakdown throughout life

  • Telecommunications
  • Industrial electronics
  • Avionics
  • ADSL2+, VDSL2
  • RS485
  • Ethernet
  • SDI
  • Security Systems
Breakover Voltage
5 kV/µs
Impulse Voltage (V)
Used with TBU® Device
2020-15T 60V 500 TBU-CA050-500-WH VDSL
2020-23T 180V 650 TBU-CA065-100-WH SDI
2020-42T 360V 850 TBU-CA085-200-WH RS485
  • Bourns
  • Circuit Protection