Features
Applications
■ Telecommunications
■ Industrial electronics
■ Avionics
■ Fast acting
■ Balanced
■ Stable breakdown throughout life
■ Designed to operate with TBU® devices
■ RoHS compliant* versions available
2020 T Series - 3-Pole Fast Gas Discharge Tube
Characteristics
Characteristic
Model No.
2020-23T
2020-15T
2020-42T
Minimum DC Sparkover (100 V/s)
Throughout Service Life
60 V
180 V
360 V
Maximum Impulse Sparkover (5k V 1.2/50 µs)
Throughout Service Life
500 V
650 V
850 V
Impulse Transverse Delay...................1000 V/µs ............................................................................... < 75 ns
9
Insulation Resistance (IR)...................50 V / 100 V............................................................................ > 10
Glow Voltage ......................................10 mA..................................................................................... ~ 70 V
Arc Voltage .........................................>1 A........................................................................................ ~ 10 V
Glow-Arc Transition Current............................................................................................................... < 0.5 A
Capacitance .......................................1 MHz..................................................................................... < 1 pF
DC Holdover Voltage (Network Applied per ITU-T K.12)
Ω
2020-15T.......................................52 V ........................................................................................ < 150 ms
2020-23T.......................................80 V ........................................................................................ < 150 ms
2020-42T.......................................135 V ...................................................................................... < 150 ms
1
Service Life .......................................8/20 µs, 5 kA .......................................................................... 1 operation
2
2
10/1000 µs, 1 kV, 100 A.......................................................... 100 operations
2/10 µs, 5 kV, 1000 A.............................................................. 10 operations
10/700 µs, 6 kV, 150 A............................................................ 50 operations
8/20 µs, 500 A, 1.2/50 µs, 500 V............................................ 150 operations
600 V, 5 Arms, 0.2 sec............................................................ 10 operations
2
2
3
600 Vrms, 0.5 A - 60 A ........................................................... Fail-Short activates
230 Vrms, 0.5 A-25 A ............................................................. Fail-Short activates
3
Operating and Storage Temperature.................................................................................................. -40 to +90 °C
Climatic Category (IEC 60068-1) ....................................................................................................... 40 / 90 / 21
Notes:
1 Applied per conductor to center pin.
2 Surge polarity should be reversed between consecutive surges (+,-,+,-)
3 Applies only to GDT with optional Fail-Short. GDT operates and will survive with Fail-Short activation.
• At delivery AQL 0.65 Level II, DIN ISO 2859.
Applications
Port Protection
CanBus
RS232
RS422
RS485
RS485
SDI
VDSL
GDT Device P/N
2020-23T
2020-23T
2020-23T
2020-23T
2020-42T
2020-23T
2020-15T
TBU® Device P/N
TBU-CA065-100-WH
TBU-CA065-200-WH
TBU-CA065-200-WH
TBU-CA065-200-WH
TBU-CA085-200-WH
TBU-CA065-100-WH
TBU-CA050-500-WH
“TBU” is a registered trademark of Bourns, Inc. in the U.S., Taiwan and European Community.
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.