Features
Applications
■ Telecommunications
■ Industrial electronics
■ Avionics
■ Fast acting
■ Small size
■ Stable breakdown throughout life
■ Designed to operate with TBU® devices
■ RoHS compliant* versions available
■
UL Recognized
2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube
Characteristics
Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.
Model No.
2031-23T
Characteristic
2031-15T
2031-42T
Minimum DC Sparkover (100 V/s)
60 V
185 V
650 V
360 V
Throughout Service Life
(1)
Maximum Impulse Sparkover (5k V 1.2/50 μs)
500 V
850 V
Throughout Service Life
(1)
Impulse Sparkover voltage is defined as typical values of distribution.
9
Insulation Resistance (IR) ......................................50 / 100 V................................................................................> 10 Ω
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)
2031-15T...........................................................52 V ........................................................................................< 150 ms
2031-23T...........................................................80 V ........................................................................................< 150 ms
2031-42T...........................................................135 V ......................................................................................< 150 ms
Service Life.............................................................8/20 μs, 1 kA...........................................................................2 operations
10/1000 μs, 1 kV, 100 A .........................................................50 operations
2/10 μs, 5 kV, 500 A................................................................20 operations
10/700 μs, 6 kV, 150 A............................................................10 operations
8/20 μs 250 A, 1.2/50 μs, 500 V (IEC 61643-21)....................150 operations
600 V rms, 1 A, 0.2 s...............................................................5 operations
Operating and Storage Temperature,
Climatic Category (IEC 6068-1) 40 / 90 / 21............................................................................................................-40 °C to +90 °C
Notes:
•
•
•
•
UL Recognized component, UL File E153537.
Surge polarity should be reversed between consecutive surges (+-+-).
At delivery AQL 0.65 Level II, DIN ISO 2859.
Bourns recommends reflowing surface mount devices per IPC/JEDEC J-STD-020 rev D.
Applications
®
Port Protection
CanBus
RS232
RS422
RS485
RS485
SDI
VDSL
GDT Device P/N
TBU Device P/N
2031-23T-SM-RPLF
2031-23T-SM-RPLF
2031-23T-SM-RPLF
2031-23T-SM-RPLF
2031-42T-SM-RPLF
2031-23T-SM-RPLF
2031-15T-SM-RPLF
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 and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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