features n surface mount for economical assembly n high surge current rating n designed to meet itu-t k.12 class 5 surge current requirements n low capacitance and insertion loss n stable breakdown throughout life n ul recognized applications n telecommunications n industrial electronics n commercial electronics n automotive, aircraft, military electronics characteristics 2029-xx-smlf heavy duty gas discharge tube surge arrestor *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. specifcations 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 specifc applications. test methods per itu-t k.12, ieee c62.31 and iec 61643-311 gdt standards. insulation resistance ...................................... 100 v (50 v for model 2029-09-smlf) ............. > 10 10 glow voltage ................................................... 10 ma ................................................................ ~ 70 v arc voltage ...................................................... > 1a ................................................................... ~ 12 v glow-arc transition current ....................................................................................................... < 0.5 a capacitance ..................................................... 1 mhz ............................................................... < 1 pf dc holdover voltage (2) .................................. 135 v, (52 v for model 2029-09-smlf; 80 v for model 2029-15-smlf) ........................ < 150 ms impulse discharge current .............................. 25000 a, 8/20 s .............................................. 1 operation minimum (3) 20000 a, 8/20 s ............................................... > 10 operations 5 ka, 10/350 s ................................................ 1 operation minimum (3) 100 a, 10/1000 s ............................................. > 300 operations 10 a, 10/1000 s ............................................... > 1500 operations alternating discharge current ......................... 65 arms, 11 cycles ........................................... 1 operation minimum (3) 20 arms, 1 s ...................................................... > 10 operations storage temperature .................................................................................................................. -55 to +105 c operating temperature ............................................................................................................... -55 to +105 c climatic category (iec 60068-1) ................................................................................................ 55/105/21 notes: ? ul recognized component, ul file e153537. ? model number marking on tube: 2029-xxxv. ? surface mount (sm) parts may show a temporary increase in dcbd after the solder refow process. most devices will recover within 24 hours time. it should be noted that there is no quality defect nor change in protection levels during the temporary change in dcbd. ? sparkover limits 25% and ir >10 8 after life. ? at delivery aql 0.65 level ii, din iso 2859. ? bourns recommends refowing surface mount devices per ipc/jedec j-std-020 rev d. (2) network applied. (3) dc sparkover may exceed 20 % after discharge, but will continue to protect without venting. characteristic model no. 2029-09-smlf 2029-15-smlf 2029-23-smlf 2029-35-smlf 2029-42-smlf dc sparkover 20 % @ 100 v/s 90 v 150 v 230 v 350 v 420 v impulse sparkover (1) 100 v/s (typical) 100 v/s (99 %) 275 v 375 v 325 v 375 v 450 v 500 v 600 v 625 v 650 v 750 v impulse sparkover (1) 1 kv/s (typical) 1 kv/s (99 %) 525 v 600 v 525 v 625 v 650 v 750 v 775 v 875 v 850 v 1000 v bourns offers a heavy duty 2-electrode gdt surge arrestor in an 8x6 mm surface mount (sm) package. the model 2029-xx-smlf series is categorized as a class 5 rated gdt and attains the highest performance classifcation available under itu k.12 requirements. high performance in a compact surface mount package makes this series ideal for use in heavily exposed telecommunications, commercial and industrial applications. *rohs compliant lead free *rohs compliant versions available lead free versions are rohs compliant* (1) impulse sparkover voltage is defned as typical values of distribution.
how to order 2029 - xx - sm -rp lf model number designator voltage (divided by 10) 09 = 90 v 23 = 230 v 42 = 420 v 15 = 150 v 35 = 350 v surface mount packaging option blank = bulk packaging (standard) -rp = 16 mm reelpack (optional) rohs compliancy lf = rohs compliant product specifcations 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 specifc applications. 2029-xx-smlf heavy duty gas discharge tube surge arrestor product dimensions recommended pad layout dimensions: mm (inches) tolerances: 0.25 (0.10) 5.84 (.230) 7.9 0.2 (.311 .008) 1.78 (.070) 6.0 0.3 (.236 .012) 0.43 0.1 (.017 .004) 0.48 0.1 (.019 .004) 8.25 (.325) 7.50 0.2 (.311 .008) 5.84 (.230) 7.9 0.2 (.311 .008) 1.78 (.070) 6.0 0.3 (.236 .012) 0.43 0.1 (.017 .004) 0.48 0.1 (.019 .004) 8.25 (.325) 7.50 0.2 (.311 .008)
2029-xx-smlf heavy duty gas discharge tube surge arrestor rev. 02/16 specifcations 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 specifc applications. packaging specifcations -rp reel is 33 cm in diameter and 3 cm wide. 8.4 (.331) 0.40 0.05 (.016 .002) sectio n a- a 12.00 (.536) 4.00 (.157) 2.00 0.10 (.079 .004) min. 1.50 (.059) dia. 1.5 +0.1/-0.0 (.059 +.004/-.000) dia. 0.30 (.012) r max. 0.5 (.020) r typ. 1.75 0.1 (.069 .004) 16.0 +0.3/-0.1 (.630 +.012/-.004) 7.5 0.1 (.295 .004) 6.7 (.264) 8.2 (.323) 8.6 (.339) 10.1 (.398) a a dimensions: mm (inches) model standard packaging quantity bulk (bag) tray box reel 2029-xx-smlf 250 1000 2029-xx-sm-rplf 500 unless otherwise specifed, tolerances in decimals are .x 0.3, .xx 0.15 for lengths in millimeters and 1 for degrees. asia-pacifc: tel: +886-2 2562-4117 ? fax: +886-2 2562-4116 emea: tel: +36 88 520 390 ? fax: +36 88 520 211 the americas: tel: +1-951 781-5500 ? fax: +1-951 781-5700 www.bourns.com
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