*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 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. Characteristic 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 (1) (5k V 1.2/50 μs) Throughout Service Life (1) Impulse Sparkover voltage is defined as typical values of distribution. 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 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 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 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. 2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube Packaging Specifications Product Dimensions Standard Packaging Quantity 4.4 ± 0.2 (.173 ± .008) Bulk (Bag) Model 2031-xxT-SM 5.0 ± 0.3 (.197 ± .012) 0.51 ± 0.1 (.020 ± .004) 0.33 ± 0.1 (.013 ± .004) Tray Box 250 Reel 1000 2031-xxT-SM-RP 1500 2031-xxT-SM-RP3 1000 -RP Reel is 13 inches in diameter and 3/4 inch wide. 4.00 (.158) Recommended Pad Layout 1.75 (.069) 2.00 (.079) 3.9 (.155) 16.0 (.63) 7.5 (.30) 5.6 (.220) 8.00 (.315) 1.3 (.050) DIMENSIONS: MM (INCHES) -RP3 Reel is 13 inches in diameter and 11/16 inch wide. 12.00 (.473) 4.00 (.158) How to Order 2031 - xxT - SM - RP LF Model Number Designator 12.00 ± 1.27 (.473 ± .050) Voltage 15 = 60 V 23 = 185 V 42 = 360 V Surface Mount DIMENSIONS: Packaging Options Blank = Bulk Packaging - 250 pcs./bag (Standard) RP = Reelpack - 1,500 pcs./reel (Optional) RP3 = Reelpack - 1,000 pcs./reel (Optional) MM (INCHES) Unless otherwise specified, tolerances in decimals are .X ± 0.3, .XX ± 0.15 for lengths in millimeters and ±1 ° for degrees. RoHS Compliant Option Blank = Standard Product LF = RoHS Compliant Product REV. F 08/15 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.