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*R oH V SC AV ER OM AI SIO PL LA N IA BL S NT E
Features
Fast acting Small size Stable breakdown throughout life Designed to operate with TBU devices
(R)
Applications
Telecommunications Industrial electronics Avionics
RoHS compliant* versions available UL Recognition pending
2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube
Characteristics Characteristic Minimum DC Sparkover (100 V/s)
Throughout Service Life
Model No.
2031-15T 2031-23T 2031-42T
60 V 500 V
185 V 650 V
360 V 850 V
Maximum Impulse Sparkover (5k V 1.2/50 s) Throughout Service Life
Insulation Resistance (IR) ....................................... 50 / 100 V ............................................................................... > 109 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 s, 1 kA .......................................................................... 2 operations 10/1000 s, 1 kV, 100 A ........................................................ 50 operations 2/10 s, 5 kV, 500 A ............................................................... 20 operations 10/700 s, 6 kV, 150 A ........................................................... 10 operations 8/20 s 250 A, 1.2/50, 500 V (IEC61643-21) ......................... 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 to +90 C Notes: Surge polarity should be reversed between consecutive surges. (+-+-). * At delivery AQL 0.65 Level II, DIN ISO 2859.
Applications Port Protection CanBus RS232 RS422 RS485 RS485 SDI VDSL GDT 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(R) 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.
2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube
Product Dimensions
4.4 (.173)
Recommended Pad Layout
3.9 (.155)
5.0 (.195) 4.8 DIA. (.190)
5.6 (.220)
1.3 (.050)
Packaging Specifications
The Model 2031-xxT-SM ships standard bulk pack, 100 pieces per bag. -RP The optional -RP reelpack contains 1,500 pieces per reel. Reel is 13 inches in diameter and 3/4 inch wide.
4.00 (.158) 2.00 (.079) 1.75 (.069)
DIMENSIONS:
MM (INCHES)
How to Order
2031 - xxT - SM - RP LF
Model Number Designator Voltage 15 = 60 V 23 = 185 V 42 = 360 V Surface Mount Packaging Options Blank = Bulk Packaging - 100 pcs./bag (Standard) RP = Reelpack - 1,500 pcs./reel (Optional) RP3 = Reelpack - 1,000 pcs./reel (Optional) Lead Free Option Blank = Standard Product LF = Lead Free / RoHS Compliant Product
16.0 (.63) 7.5 (.30)
8.00 (.315)
-RP3 The optional -RP3 reelpack contains 1,000 pieces per reel. Reel is 13 inches in diameter and 11/16 inch wide.
12.00 (.473) 4.00 (.158)
12.00 1.27 (.473 .050)
DIMENSIONS:
MM (INCHES)
REV. A 12/10
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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