january 2007 / a page 1 preliminary datasheet tak cheong ? 350 mw do-35 hermetically sealed glass bi-directional trigger diode absolute maximum ratings t a = 25c unless otherwise noted symbol parameter value units i trm repetitive peak on-state current tp = 20us, f = 120hz 2 a t stg t j storage temperature range operating junction temperature -40 ~ 125 c these ratings are limiting values above which the serviceability of the diode may be impaired. specification features: ? v bo = 32v ? do-35 package (jedec) ? through-hole device type mounting ? hermetically sealed glass ? compression bonded construction ? all external surfaces are corrosion resistant and leads are readily solderable ? rohs compliant ? solder hot dip tin (sn) lead finish electrical characteristics t a = 25c unless otherwise noted limits symbol parameter test condition min max unit v bo breakover voltage c = 22nf (note 2) 28 36 volts [v bo? ]- [v bo ] breakover voltage symmetry c = 22nf (note 2) 3 volts [ ? v] dynamic breakover voltage v bo and vf at 10ma 5 volts vo output voltage see diagram 2 (r = 20 ) 5 volts i bo breakover current c = 22nf (note 2) 50 ua t r rise time see diagram 3 2 us i b leakage current v r = 0.5v bo max 10 ua i p peak current see diagram 2 0.3 a notes: 1. all parameters applicable to both forward and reverse directions. 2. connected in parallel in the device TCDB3 axial lead do35 device marking diagram
january 2007 / a page 2 preliminary datasheet tak cheong ? diagram 1: voltage ? current characteristic curve diagram 2: test circuit diagram 3: rise time measurement
january 2007 / a page 3 preliminary datasheet tak cheong ? package outline package case outline do-35 do-35 millimeters inches dim min max min max a 0.46 0.55 0.018 0.022 b 3.05 5.08 0.120 0.200 c 25.40 38.10 1.000 1.500 d 1.53 2.28 0.060 0.090 notes: 1. all dimensions are within jedec standard. this datasheet presents technical data of tak cheong?s trigger diode. complete specifications for the individual devices are provided in the form of datasheets. a comprehensive selector guide is included to simplify the task of choosing the best set of components required for a specific application. fo r additional information, please visit our website http://www.takcheong.com . although information in this datasheet has been carefully checked, no responsibility for the inaccuracies can be assumed by tak cheong. please consult your nearest tak cheong?s sales office for further assistance. tak cheong reserves the right to make changes without further notice to any products herein to further improve reliability, function or design, cost and productivity. and are registered trademarks of tak cheong electronics (holdings) co., ltd. tak cheong ?
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