characteristics ST-0800 series sparctube ? switching spark gap *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. initial values: static breakdown voltage @ 800 v/s 1 first ignition values ........................................................................................................ ......< 950 v following ignition values .................................................................................................... ..800 v 12 % electrical life: minimum number of switching cycles .......................................................................................2x10 5 peak current (approx.)......................................................................................................... ......450 a maximum switching frequency..................................................................................................500 hz breakdown characteristics @ 1000 v limit first ignition values ........................................................................................................ ...... 1000 v delay time ............................................................................................................................< 6 0 ms following ignition values .................................................................................................... ..800 v 15 % general data: breakdown time ................................................................................................................ .........< 50 ns insulation resistance @100 vdc ...............................................................................................> 100 megohms maximum static breakdown voltage @ 100 v/ms .....................................................................1300 v share of early ignition values (< 680 v) ....................................................................................< 1 % residual voltage @ 50 ns ...................................................................................................... ....< 300 v capacitance.................................................................................................................... ............< 1 pf operating temperature range 2 ................................................................................................-40 c to +160 c storage temperature range ..................................................................................................... .-65 c to +125 c weight (approx.) .........................................................................................................................2.3 g testing ....................................................................................................................... .................100 % robustness of terminations .................................................................................................... ...iec 60068-2-21 3 notes: 1 at delivery aql 0.65 level ii, din iso 2859. 2 distribution of switchings: maximum 20 % above +125 c and 20 % below +20c. 3 test ua1 (tensile), ua2 (thrust), ub (bending) and uc (torsion). description bourns ? sparctube ? series is a range of switching spark gaps designed speci? cally for voltage controlled switching of capacitive discharge circuits where a high energy, low loss, fast rate of switching is required. this series is ideally suited for applications where a capacitive discharge is utilized with a transformer to obtain pulses of very high voltage levels in the order of several thousa nd volts. features formerly a product fast switching rate high energy, low loss capability wide operating temperature range long service life high insulation resistance rohs compliant* applications igniters for architectural and automotive xenon discharge lamps electronic igniters for gas heating and gas domestic appliances, e.g., cookers ignition of ultra-high pressure gas discharge lamps for data and video projectors basic application circuit load c r sparctube switching spark gap 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 *rohs compliant
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. ST-0800 series sparctube ? switching spark gap product dimensions ST-0800-blx how to order st - 0800 - b x x - std series designator switching voltage 0800 = 800 v tolerance b = 12 % lead shape b = bent leads c = no leads* l = straight leads packaging b = bulk t = tape & reel* standard or modi ed product indicator std = standard *leadless version available in bulk packaging only. typical part marking st 0800 wwy ...... ?wy?= week and year of production dimensions: mm (inches) 60.0 - 82.0 (2.362 - 3.228) tinned leads metal electrode ceramic insulator 8.0 +0.1/-0.3 (.315 +.004/-.012) dia. 8.0 +0.1/-0.3 (.315 +.004/-.012) dia. 1.0 (.039) dia. 5.8 ?0.3 (.228 ?.012) 8.0 +0.1/-0.3 (.315 +.004/-.012) dia. metal electrode ceramic insulator 5.8 ?0.3 (.228 ?.012) 8.4 (.331) max. 8.6 (.339) max. 1.00 (.039) dia. 8.4 (.331) max. 5.8 ?0.3 (.228 ?.012) 2.52 ?0.20 (.099 ?.008) 0.25 +0.15/-0.05 (.010 +.006/-.002) 0.20 (.008) approx. ST-0800-bcx ST-0800-bbx test circuit c uo rl us dut uo .........1000-1500 v r ...........see note c ...........100 nf l ............0.5 ? dut ......device under test us .........breakdown voltages note: uo and r are set to provide suitable conditions for different measurements.
rev. 10/12 ?sparctube? is a registered trademark of bourns, inc. in the european community, with pending trademark registration applicatio ns in the u.s. and china. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. ST-0800 series sparctube ? switching spark gap models ST-0800-bbb, ST-0800-blb and ST-0800-bcb* ship standard bulk pack, 1,000 pcs./bag. the optional tape and reel packaging contains 1,000 pcs./reel for model ST-0800-blt; 500 pcs./reel for model ST-0800-bbt. * available in bulk packaging only. packaging speci cations 85.0 2.0 (3.346 .079) 356.0 2.0 (14.016 .079) dia. 14.0 +1.0/-0.0 (.551 +.039/-.00) dia. 6.2 1.0 (.244 .039) 90.0 2.0 (3.543 .079) 90.0 2.0 (3.543 .079) 10.0 1.0 (.394 .039) spacing 105.0 (4.134) a a b b c c section a-a section b-b section c-c 12.0 0.1 (.472 .004) 12.0 0.1 (.472 .004) 2.0 0.1 (.079 .004) 4.0 0.1 (.157 .004) 1.75 (.069) 0.50 0.05 (.020 .002) 8.5 +0.15/-0.05 (.335 +.006/-.002) 9.3 0.1 (.366 .004) 9.1 +0.2/-0.0 (.358 +.008/-.000) 7.50 (.295) 16.0 (.630) 8.2 +0.2/-0.0 (.323 +.008/-.000) 330 (12.992) 2.2 0.5 (.087 .020) 13.0 0.2 (.512 .008) 100 1.0 (3.937 .039) 16.5 0.1 (.650 .004) 20.2 1.0 (.795 .039) dimensions: mm (inches) ST-0800-bbt ST-0800-blt
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