www.diodes.com announcement new product zxre250/2 issue number 001 may 2011 the diodes advantage circuit functions isolated power supplies linear regulators variable zener the zxre250/2 are three terminal adjustable shunt regulators offering excellent temperature stability and output current handling capability up to 100ma . these devices feature a very low cathode current for regulation, typically 40 a. they provide a low power enhancement to industry standard ?431 parts. available as standard a grade (1% tolerance) and b grade (0.5% tolerance ), all with a - 40 o c to 125 o c temperature range as standard . the zxre250 is available in 3 - pin and 5 - pin versions of sot23, zxre252 offers a reverse pinout in sot23 . the zxre250/2 can be used as a replacement for z ener diodes in many applications requiring an improvement in z ener performance. very low cathode current 2.5v shunt regulator with industrial temperature range and 36v max input voltage very low minimum cathode current for regulation; 40 a typical ensures minimum power dissipation in applications such as idle power for acdc external psu?s for laptop pc?s wide temperature range: - 40 to 125 o c simplifies component choice and stocking maximum cathode voltage of 36v matches industry standard ?431; allowing it to be used in a wide range of applications available in sot23 and sot25 with green (no br, sb) molding compound environmentally friendly small surface mount package variants 0.5% and 1% variants in all package options meets requirements of modern equipment
www.diodes.com announcement new product zxre250/2 very low cathode current 2.5v shunt regulator with industrial temperature range and 36v max input voltage issue number 001 may 2010 ordering information all variants are in packages are ?green? molding compound (no br, sb) with lead free finish/rohs compliant (note 1) notes:1. eu directive 2002/95/ec (rohs). all applicable rohs exemptions applied, see eu directive 2002/95/ec annex notes diodes 2.5v shunt regulators to find more information: shunt regulator overview page http://www.diodes.com/products/catalog/list.php?parent - id=82 datashee t http://www.diodes.com/datasheets/zxre250.pdf device tolerance package part mark reel size quantity per reel tape width zxre250asa-7 1% sot23 da 7" 3000 8mm zxre250aw5-7 1% sot25 da 7" 3000 8mm zxre250bsa-7 0.5% sot23 db 7" 3000 8mm zxre250bw5-7 0.5% sot25 db 7" 3000 8mm zxre252asa-7 1% sot23 fa 7? 3000 8mm zxre252bsa-7 0.5% sot23 fb 7? 3000 8mm part # reference voltage accuracy max input voltage sink current minimum cathode current for regulation ( typ) typical temperature coefficient maximum slope resistance operating ambient temp range aec -q100 available packages v % v ma a ppm/ o c ? o c AP431 2.495 0.5 & 1 36 250 190 30 0.5 - 20 to +85 to92/so-8/sot23/ sot89/sc59/sot25 tl431 2.495 0.5 & 1 36 100 400 50 0.5 - 40 to +125 sot23/sot25 tl432 2.495 0.5 & 1 36 100 400 50 0.5 - 40 to +125 sot23 zxre250 2.495 0.5 & 1 36 100 40 50 0.5 - 40 to +125 sot23/sot25 zxre252 2.495 0.5 % 1 36 100 40 50 0.5 - 40 to +125 sot23 zr431 2.5 0.5, 1 & 2 20 100 50 55 0.75 - 40 to +85 sot223/sot23 ztl431 2.5 0.5 & 1 20 100 400 50 0.5 - 40 to +125 x s ot23/sot363/sot25 z tl432 2.5 0.5 & 1 20 100 400 50 0.5 - 40 to +125 x sot23
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