features 12.7 x 12.7 mm high surge-energy handling low capacitance and insertion loss rohs compliant* versions available characteristics 2047 series gas discharge tube surge protector *rohs directive 2002/95/ec jan 27, 2003 including annex. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. bourns offers a precision heavy duty 2-electrode gdt surge protection device in voltages from 90 to 350 v. the 2047 series off ers superior protection characteristics suitable for highly exposed commercial and industrial applications. test methods per itu-t (ccitt) k.12, ieee c62.31 characteristic model no. 2047-09 2047-15 2047-23 2047-35 dc sparkover 20 % @ 100 v/s (25 % @ 100 v/s after life) 90 v 150 v 230 v 350 v impulse sparkover 100 v/s typical / for 99 % of values 1000 v/s typical / for 99 % of values 350 / 450 v 600 / 650 v 350 / 450 v 550 / 600 v 450 / 500 v 600 / 650 v 475 / 550 v 725 / 800 v insulation resistance (ir) ........................................50 v / 100 v .............................................. ............. > 10 9 glow voltage ...........................................................10 ma ................................................. .................... ~ 80 v arc voltage ..............................................................@ 2 a ............................................... ....................... ~ 12 v glow-arc transition current ................................................................................................... ................. < 1 a capacitance ............................................................1 mhz ................................................. .................... < 5 pf impulse discharge current ......................................> 40,000 a, 8/20 s .......................................... ..... > 10 operations > 4,000 a, 10/350 s ............................................. > 10 operations > 8,000 a, 10/350 s .............................................. > 1 operation impulse life .............................................................> 1,000 a 10/1000 s ............................... ............. > 1000 operations alternating discharge current .................................> 20 a, 1 sec. ................................................ ........ > 20 operations > 40 a, 1 sec. ........................................................ 1 operation min. > 200 a, 11 cycles ................................................. 1 operation min. operating and storage temperature, ............................................................................................ .......... -40 to +90 oc climatic category (iec 60068-1) ............................................................................................... .............. 40/90/21 note: at delivery aql 0.65, level ii din iso 2859 product dimensions how to order 2047 - xx - a __ lf model number designator voltage (divided by 10) 09 = 90 v 23 = 230 v 15 = 150 v 35 = 350 v leads a = none packaging blank = bulk packaging (standard) - 50 units per box plating option blank = standard product - tin/lead plating lf = rohs compliant product ni = nickel plating dimensions: mm (inches) 12.7 0.38 (0.500 0.015) 6.69 0.25 (.260 0.010) dia. dia. ref. 0.76 (0.030) 12.7 0.76 (0.500 0.015) rev. f 04/11 *rohs compliant versions available impulse values are estimated and typical; not maximum. asia-paci c: tel: +886-2 2562-4117 fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 fax: +1-951 781-5700 www.bourns.com
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