ds30263 rev. 6 - 2 1 of 3 MMBD4448HT /hta /htc /hts www.diodes.com diodes incorporated MMBD4448HT /hta /htc /hts surface mount fast switching diode case: sot-523, molded plastic case material - ul flammability rating classification 94v-0 moisture sensitivity: level 1 per j-std-020a terminals: solderable per mil-std-202, method 208 polarity: see diagrams below marking: see diagrams below & page 3 mechanical data a m j l d b c h k g top view n features maximum ratings @ t a = 25 c unless otherwise specified notes: 1. device mounted on fr-4 pc board with recommended pad layout, 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. electrical characteristics @ t a = 25 c unless otherwise specified t c u d o r p w e n MMBD4448HTs marking: ab MMBD4448HTc marking: a7 MMBD4448HTa marking: a6 MMBD4448HT marking: a3 ultra-small surface mount package fast switching speed for general purpose switching applications high conductance characteristic symbol value unit non-repetitive peak reverse voltage v rm 100 v peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 80 v rms reverse voltage v r(rms) 57 v forward continuous current (note 1) i fm 500 ma average rectified output current (note 1) i o 250 ma non-repetitive peak forward surge current @ t = 1.0 s @ t = 1.0s i fsm 4.0 2.0 a power dissipation (note 1) p d 150 mw thermal resistance junction to ambient (note 1) r ja 833 c/w operating and storage temperature range t j ,t stg -65 to +150 c characteristic symbol min max unit test condition reverse breakdown voltage (note 2) v (br)r 80 v i r = 2.5 a forward voltage (note 2) v f 0.62 0.72 0.855 1.0 1.25 v i f = 5.0ma i f = 10ma i f = 100ma i f = 150ma leakage current (note 2) i r 100 50 30 25 na a a na v r = 70v v r = 75v, t j = 150 c v r = 25v, t j = 150 c v r = 20v total capacitance c t 3.5 pf v r = 6v, f = 1.0mhz reverse recovery time t rr 4.0 ns v r = 6v, i f = 5ma sot-523 dim min max typ a 0.15 0.30 0.22 b 0.75 0.85 0.80 c 1.45 1.75 1.60 d 0.50 g 0.90 1.10 1.00 h 1.50 1.70 1.60 j 0.00 0.10 0.05 k 0.60 0.80 0.75 l 0.10 0.30 0.22 m 0.10 0.20 0.12 n 0.45 0.65 0.50 0 8 all dimensions in mm
ds30263 rev. 6 - 2 2 of 3 MMBD4448HT /hta /htc /hts www.diodes.com 10 100 1000 1 0.1 0 1.6 1.2 0.4 0.8 i , instantane o us f o rward current (ma) f v , instantaneous forward voltage (v) f fig. 1 typical forward characteristics t = 125oc a t = -40oc a t = 75oc a t = 25oc a t = 0oc a 0.1 1 10 100 1000 10000 0 20 40 60 80 100 v , reverse voltage (v) r fig. 2 typical reverse characteristics i , instantane o us reverse current (na) r t = -40oc a t = 25oc a t = 75oc a t = 125oc a t=0oc a 0 0.5 1 2.5 2 1.5 3 010 20 40 30 50 c , total capacitance (pf) t v , reverse voltage (v) r fi g .3 t y pical capacitance vs. reverse volta g e f=1mhz 0 50 100 150 200 250 0 100 200 p,p o wer dissipati o n (mw) d t , ambient temperature ( c) a fig. 4 power derating curve, total package t c u d o r p w e n
ds30263 rev. 6 - 2 3 of 3 MMBD4448HT /hta /htc /hts www.diodes.com ordering information (note 3) device packaging shipping MMBD4448HT-7 sot-523 3000/tape & reel MMBD4448HTa-7 sot-523 3000/tape & reel MMBD4448HTc-7 sot-523 3000/tape & reel MMBD4448HTs-7 sot-523 3000/tape & reel notes: 3. for packaging details: go to our website at http://www.diodes.com/datasheets/ap02007.pdf. t c u d o r p w e n marking information xxym xx = product type marking code (see page 1 diagrams) ym = date code marking y = year (ex: n = 2002) m = month (ex: 9 = september) date code key 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 mnpr stuvw
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