features through-hole or cassette mount low capacitance and insertion loss high surge current rating fast response to transients compact ?ini?size rohs compliant* version available characteristics 2039-xxx-xx precision, fast responding, high voltage gas discharge tube *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 now offers miniature through-hole 2-electrode gdt surge protectors with sparkover voltage up to 1100 v. at only 5 mm in diameter, the 2039 series is ideal for board level protection of high bandwidth applications such as xdsl, cable broadband and high speed ethernet. the 2039 series features high energy-handling capability, long and stable life performance and low capacitance of less than 1 pf. bourns? gdts are designed to prevent damage from transient disturbances within rated limits by acting as a ?crowbar? to create a short-to-ground circuit during conduction. when an electrical surge exceeds the de? ned breakdown voltage level of the gdt, the device becomes ionized and rapid conduction takes place. when the surge passes and system voltage returns to normal levels, the gdt returns to its high-impedance (off) state. test methods per itu-t (ccitt) k.12, ieee c62.31 characteristic model no. 2039-80 2039-110 dc sparkover 20 % @ 100 v/s 800 v 1100 v impulse sparkover @ 1000 v/s 1250 v 1500 v insulation resistance (ir) ................................ 100 v .............................................................. ...> 10 9 arc voltage ...................................................... 1 a .....................................................................~ 10 v glow-arc transition current ................................................................................................... ....< 0.5 a capacitance .................................................... 1 mhz ......................................................... ......< 1 pf dc holdover voltage 1 ..................................... 135 v .................................................................< 150 ms max. single discharge 2 .................................. 5 ka ...................................................................> 1 operation impulse discharge current .............................. 2.5 ka, 8/20 s 2 ................................................> 10 operations 100 a, 10/1000 s .............................................> 100 operations 10 a, 10/1000 s ..............................................> 1500 operations alternating discharge current ......................... 2.5 arms, 1 s .....................................................> 10 operations operating and storage temperature .......................................................................................... -5 5 to +85 c climatic category (iec 60068-1) ............................................................................................... . 40/90/21 notes: sparkover limits after life +30/-25 %, ir >10 8 . at delivery aql 0.65 level ii, din iso 2859. 1 network applied. 2 dc sparkover may exceed +30/-25 % but will continue to protect without venting. *rohs compliant versions available 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
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. 2039-xxx-xx precision, fast responding, high voltage gas discharge tube product dimensions packaging speci cations model 2039-xxx-nn ships standard bulk pack, 100 pcs./bag. the optional reelpack (-t1) contains 1,000 pcs./reel. reel is 14 ? in diameter and 2.75 ? wide. how to order 2039 - xx - x - nn - t1 lf model number designator voltage (divided by 10) 80 = 800 v 110 = 1100 v leads a = none b = 0.8 mm c = 1 mm lead shape (see product dimension drawings) packaging blank = bulk packaging (standard) t1 = reelpack (optional) lead free option blank = standard product lf = lead free/rohs compliant product rev. b 01/11 dimensions: mm (inches) 5.0 (.197) 4.1 (.161) dia. 2039-xx-a 2039-xx-b ?0.8 mm (0.032 in.) dia. lead wire 2039-xx-c ?1.0 mm (0.040 in.) dia. lead wire 20 (0.78) long 2 plcs. min. 2039-xx-b5 ?0.8 mm (0.032 in.) dia. lead wire 2039-xx-c5 ?1.0 mm (0.040 in.) dia. lead wire 7.6 (.30) 3.8 (.15) 16.7 (.658) ref. 14.2 (.560) min. 10.0 (0.4) 52.4 (2.06) 2039-xx-b5, 2039-xx-c5 not available in reel pack
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