features balanced trigard approximately 8 mm diameter, 11 mm long ul recognized custom con gurations available high surge current rating stable breakdown throughout life rohs compliant* version available applications telecommunications industrial electronics commercial electronics consumer electronics automotive, aircraft, military electronics characteristics 2026 series - 3-pole 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. test methods per itu-t (ccitt) k.12, ieee c62.31, rus pe-80, telcordia gr 1361 characteristic model no. 2026-07 2026-09 2026-15 2026-20 2026-23 2026-25 2026-26 dc sparkover 20 % @ 100 v/s 75 v 90 v 150 v 200 v 230 v 250 v 260v 1 impulse sparkover 100 v/s 1000 v/s 275 v 700 v 275 v 600 v 350 v 575 v 425 v 625 v 450 v 650 v 475 v 700 v 475 v 700 v impulse transverse delay .............................................1000 v/s ................................................................. < 75 ns insulation resistance ...................................................100 v (50 v for model 2026?07 & 2026-09) ............. > 10 10 glow voltage ................................................................10 ma ............................................ ........................... ~ 70 v arc voltage ...................................................................1a ............................................. ................................ ~ 10 v glow-arc transition current ................................................................................................... ........................ < 0.5 a capacitance .................................................................1 mhz ............................................ ........................... < 2 pf dc holdover voltage 2 .................................................>135 v, (52 v for model 2026-07 & 2026-09, ........... < 150 ms 80 v for model 2026-15) impulse discharge current ...........................................40000 a, 8/20 s 3 .................................................... 1 operation minimum 20000 a, 8/20 s ...................................................... > 10 operations 5000 a, 10/350 s ................................................... 1 operation 1000 a, 10/1000 s ................................................. > 400 operations alternating discharge current ......................................130 arms, 11 cycles 3 ............................................... 1 operation minimum 20 arms, 1 s ............................................................. > 10 operations operation and storage temperature ............................................................................................. ................. -40 to +90 c climatic category (iec 60068-1) ............................................................................................... ..................... 40/ 90/ 21 optional switch-grade fail-short device available. notes: ul recognized component, ul file e153537. model number marking on tube: 26-xxx v. the rated discharge current for trigard ? gas discharge tubes is the total current equally divided between each line to ground. sparkover limits after life 25 %, ir >10 8 (-25 %,+30 % for model 2026-07, 2026-09 and 2026-60). line to line voltage is approximately 1.8 to 2 times the stated line to ground breakdown voltage. at delivery aql 0.65 level ii, din iso 2859 1 tube meets bt requirement type 14 a/1 (210-310 v). 2 network applied. 3 dc sparkover may exceed 25 % after discharge, but will continue to protect without venting. *rohs compliant versions available characteristic model no. 2026-30 2026-35 2026-40 2026-42 2026-47 2026-60 dc sparkover 20 % @ 100 v/s 300 v 350 v 400 v 420 v 470 v 600 v impulse sparkover 100 v/s 1000 v/s 500 v 775 v 625 v 875 v 675 v 925 v 725 v 1000 v 800 v 1100 v 925 v 1250 v
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. 2026 series - 3-pole gas discharge tube product dimensions (additional lead form con gurations available upon request) how to order 2026 - nn - x n f lf model number designator voltage (divided by 10) 07 = 75 v 30 = 300 v 09 = 90 v 35 = 350 v 15 = 150 v 40 = 400 v 20 = 200 v 42 = 420 v 23 = 230 v 47 = 470 v 25 = 250 v 60 = 600 v 26 = 260 v leads a = none c = 1 mm lead shape (see product dimension drawings) fail-short option blank = standard product f = with fail-short mechanism lead free option blank = standard product lf = lead free/rohs compliant product 2026-xx-a dimensions: millimeters units with leads are based on the 2026-xx-a1 body. 0.6 1.6 9.0 11.7 7.8 2026-xx-a1 0.7 - 1.0 1.0 dia. 7.9 11.2 ref. 2026-xx-c2 13.0 max. 15.4 4.5 4.4 4.4 1.0 dia. 2026-xx-c3 7.5 4.4 4.75 4.75 1.0 dia. 2026-xx-c4 7.5 6.1 6.1 1.0 dia. 2026-xx-c8 1.0 dia. 7.5 2026-xx-c 1.0 mm dia. lead wire 1.0 dia. 30 long 2 plcs. 7.5 fail-short configuration 2026-xx-c2f shown 8.1 9.6
rev. 01/11 speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. 2026 series - 3-pole gas discharge tube switch-grade fail-short device shorting curve 2026-xx-xf 10.0 20.0 30.0 5.0 current (a) (eltgs) 1.0 0.5 0.1 1 10 100 eltgs = each line to ground simultaneously note: when using a gdt fail-short device, it is imperative that all components associated and connected to the gdt with failsafe be tested in their respective completely integrated environment (finished product) to assure desired operation. seconds 1000
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