Features
Applications
nꢀ Telecommunicationsꢀ
nꢀ Industrialꢀelectronicsꢀ
nꢀ Avionics
nꢀ Fastꢀactingꢀ
nꢀ Balancedꢀ
nꢀ Stableꢀbreakdownꢀthroughoutꢀlifeꢀ
nꢀ DesignedꢀtoꢀoperateꢀwithꢀTBU®ꢀdevices
nꢀ RoHSꢀcompliant*ꢀversionsꢀavailable
ꢀ2020ꢀT-Seriesꢀ-ꢀFastꢀActingꢀ3-ElectrodeꢀMiniatureꢀGDT
ꢀ
ꢀ
Characteristics
Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.
Model No.
2020-23T
Characteristic
2020-15T
2020-42T
Minimum DC Sparkover (100 V/s)
60 V
180 V
650 V
360 V
Throughout Service Life
Maximum Impulse Sparkover (1) (5 kV/µs)
500 V
850 V
Throughout Service Life
(1)
Impulse Sparkover voltage is defined as typical values of distribution.
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..................................................................................... < 2 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
Service Life (2)......................................8/20 µs, 10 kA......................................................................... 1 operation
10/1000 µs, 1 kV, 200 A.......................................................... 100 operations (3)
2/10 µs, 6 kV, 2000 A.............................................................. 10 operations (3)
10/700 µs, 6 kV, 300 A............................................................ 50 operations (3)
8/20 µs, 500 A, 1.2/50 µs, 500 V............................................ 150 operations (3)
600 V, 10 Arms, 0.2 sec.......................................................... 10 operations
600 Vrms, 0.5 A - 60 A............................................................ Fail-Short activates (4)
230 Vrms, 0.5 A-25 A.............................................................. Fail-Short activates (4)
Operating Temperature Range........................................................................................................... -40 °C to +90 °C
Storage Temperature Range .............................................................................................................. -55 °C to +90 °C
Notes:
(2)
The rated discharge current is the total current equally divided between each line to ground.
Surge polarity should be reversed between consecutive surges (+,-,+,-)
(3)
(4)
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.
• Models with the optional Fail-Short assembly activate at low temperature (215 °C – 217 °C) when required. These models are designed to
be soldered either manually or using a selective soldering process that does not exceed 210 °C, below the temperature that the Fail-Short
assembly would activate.
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”ꢀisꢀaꢀregisteredꢀtrademarkꢀofꢀBourns,ꢀInc.ꢀinꢀtheꢀUnitedꢀStatesꢀandꢀotherꢀcountries.
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.
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