Features Applications Fastacting Telecommunications Smallsize Industrialelectronics Stablebreakdownthroughoutlife Avionics DesignedtooperatewithTBU devices RoHScompliant*versionsavailable 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 Initial DC Sparkover (100 V/s) 150 V 230 V 420 V Typical (100 V/s) Minimum DC Sparkover 60 V 185 V 360 V Throughout Service Life (1) Maximum Impulse Sparkover (5k V 1.2/50 s) 500 V 650 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 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 s, 500 V (IEC 61643-21) ....................150 operations 600 V rms, 1 A, 0.2 s...............................................................5 operations Operating and Storage Temperature, Climatic Category (IEC 60068-1) 40 / 90 / 21..........................................................................................................-40 C to +90 C Moisture Sensitivity Level........................................................................................................................................1 ESD Classification (HBM)........................................................................................................................................N/A 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 Typical Part Marking MANUFACTURER S Port Protection GDT Device P/N TBU Device P/N TRADEMARK CanBus 2031-23T-SM-RPLF TBU-CA065-100-WH RS232 2031-23T-SM-RPLF TBU-CA065-200-WH VOLTAGE RS422 2031-23T-SM-RPLF TBU-CA065-200-WH XXXV XXXX RS485 2031-23T-SM-RPLF TBU-CA065-200-WH DATE CODE RS485 2031-42T-SM-RPLF TBU-CA085-200-WH FIRST TWO DIGITS = MONTH SDI 2031-23T-SM-RPLF TBU-CA065-100-WH NEXT TWO DIGITS = YEAR VDSL 2031-15T-SM-RPLF TBU-CA050-500-WH (REVERSE MARKED WITH RED INK) WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov TBU is a registered trademark of Bourns, Inc. in the U.S. and other countries, except Japan. All references to TBU in this document for use in Japan shall be deemed to be replaced with Bourns TBU. *RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT VERSIONS AVAILABLE2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube Product Dimensions Packaging Specifications 4.4 0.2 Standard Packaging Quantity (.173 .008) Bulk (Bag) Tray Box Reel Model 2031-xxT-SM 250 1000 5.0 0.3 2031-xxT-SM-RP 1500 (.197 .012) 2031-xxT-SM-RP3 1000 -RP 0.51 0.1 0.33 0.1 (.020 .004) (.013 .004) Reel is 13 inches in diameter and 3/4 inch wide. 4.00 (.158) Recommended Pad Layout 1.75 2.00 (.069) (.079) 3.9 (.155) 16.0 (.63) 7.5 5.6 (.30) (.220) 8.00 (.315) 1.3 (.050) -RP3 Reel is 13 inches in diameter and 11/16 inch wide. MM DIMENSIONS: (INCHES) 12.00 4.00 (.473) (.158) How to Order 2031 - xxT - SM - RP LF Model Number Designator 12.00 1.27 Voltage (Divided by 10) (.473 .050) 15 = 150 V 23 = 230 V 42 = 420 V MM Surface Mount DIMENSIONS: (INCHES) Packaging Options Blank = Bulk Packaging - 250 pcs./bag (Standard) Unless otherwise specied, tolerances in decimals RP = Reelpack - 1,500 pcs./reel (Optional) are .X 0.3, .XX 0.15 for lengths in millimeters and 1 for degrees. RP3 = Reelpack - 1,000 pcs./reel (Optional) RoHS Compliant Option Blank = Standard Product LF = RoHS Compliant Product REV. J 09/19 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.