ds30195 rev. 9 - 2 1 of 2 QSBT40 www.diodes.com diodes incorporated QSBT40 quad data line schottky bus terminator features case: sot-363, molded plastic case material - ul flammability rating 94v-0 moisture sensitivity: level 1 per j-std-020a terminals: solderable per mil-std-202, method 208 also available in lead free plating (matte tin finish). please see ordering information, note 6, on page 2 polarity: see diagram weight: 0.006 grams (approx.) marking code: kst (see page 2) mechanical data maximum ratings @ t a = 25 c unless otherwise specified low forward voltage drop fast switching very high density ultra-small surface mount package pn junction guard ring for transient and esd protection provide transient protection for high-speed data lines in accordance with: iec61000-4-2 (esd) 15kv (air), 8kv (contact) iec61000-4-4 (eft) 80a (tp = 5/50 ns) iec61000-4-5 (lightning) class 3 also available in lead free version characteristic symbol value unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 30 v forward continuous current (note 1) i fm 200 ma non-repetitive peak forward surge current @ t < 1.0s i fsm 600 ma power dissipation (note 1) p d 200 mw thermal resistance junction to ambient air (note 1) r ja 625 c/w operating temperature range t j -55 to +125 c storage temperature range t stg -65 to +125 c notes. 1. device mounted on fr-4 pcb, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on diodes inc. suggested pad layout document ap02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. short duration test pulse used to minimize self-heating effect. 3. at v r = 0v, dl(x) to v cc or gnd. 4. at v r = 0v, between data lines (e.g., dl1 and dl4). a m j l d b c h k g f top view characteristic symbol min typ max unit test condition reverse breakdown voltage (note 2) v (br)r 30 v i r = 100 a forward voltage (note 2) v f 280 350 450 550 1000 mv i f = 0.1ma, tp < 300s i f = 1.0ma, tp < 300s i f = 10ma, tp < 300s i f = 30ma, tp < 300s i f = 100ma, tp < 300s reverse current (note 2) i r 2 a v r = 25v total capacitance c t 10.0 6.5 pf v r = 0, f = 1.0mhz (note 3) v r = 0, f = 1.0mh z (note 4) reverse recovery time t rr 5.0 ns i f = i r = 10ma, i rr = 0.1 x i r ,r l = 100 electrical characteristics @ t a = 25 c unless otherwise specified dl2 dl1 gnd v cc dl3 dl4 t c u d o r p w e n sot-363 dim min max a 0.10 0.30 b 1.15 1.35 c 2.00 2.20 d 0.65 nominal f 0.30 0.40 h 1.80 2.20 j 0.10 k 0.90 1.00 l 0.25 0.40 m 0.10 0.25 0 8 all dimensions in mm
ds30195 rev. 9 - 2 2 of 2 QSBT40 www.diodes.com t c u d o r p w e n month jan feb march apr may jun jul aug sep oct nov dec code 1234567 89 o nd year 2001 2002 2003 2004 2005 2006 2007 2008 2009 code mnp r s t uvw date code key kst = product type marking code ym = date code marking y = year ex: n = 2002 m = month ex: 9 = september kst ym notes: 5. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. 6. for lead free version (with lead free terminal finish) part number, please add "-f" suffix to part numbe r above. example: QSBT40-7-f. device packaging shipping QSBT40-7 sot-363 3000/tape & reel ordering information (note 5) 0 50 25 50 75 100 125 150 175 200 p , power dissipation (mw) d t , ambient temperature (c) a fig. 1, max power dissipation vs ambient tem p erature 100 150 200 0 marking information
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