*R oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features Applications ■ Fast acting ■ Telecommunications ■ Small size ■ Industrial electronics ■ Stable breakdown throughout life ■ Avionics ■ Designed to operate with TBU devices ® ■ RoHS compliant* versions available ■ UL Recognition pending 2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube Characteristics Characteristic Model No. 2031-15T 2031-23T 2031-42T 60 V 185 V 360 V 500 V 650 V 850 V Minimum DC Sparkover (100 V/s) Throughout Service Life Maximum Impulse Sparkover (5k V 1.2/50 µs) Throughout Service Life Insulation Resistance (IR) ....................................... 50 / 100 V ............................................................................... > 109 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, 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 GDT Device P/N TBU® Device P/N CanBus 2031-23T-SM-RPLF TBU-CA065-100-WH RS232 2031-23T-SM-RPLF TBU-CA065-200-WH RS422 2031-23T-SM-RPLF TBU-CA065-200-WH RS485 2031-23T-SM-RPLF TBU-CA065-200-WH RS485 2031-42T-SM-RPLF TBU-CA085-200-WH SDI 2031-23T-SM-RPLF TBU-CA065-100-WH VDSL 2031-15T-SM-RPLF 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 Recommended Pad Layout 4.4 (.173) 3.9 (.155) 5.0 (.195) 5.6 (.220) 4.8 DIA. (.190) 1.3 (.050) Packaging Specifications DIMENSIONS: The Model 2031-xxT-SM ships standard bulk pack, 100 pieces per bag. MM (INCHES) How to Order -RP The optional -RP reelpack contains 1,500 pieces per reel. Reel is 13 inches in diameter and 3/4 inch wide. 2031 - xxT - SM - RP LF Model Number Designator 4.00 (.158) 1.75 (.069) 2.00 (.079) Voltage 15 = 60 V 23 = 185 V 42 = 360 V Surface Mount 16.0 (.63) 7.5 (.30) 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 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.