ds30451 rev. 2 - 2 1 of 3 MMBD4448V www.diodes.com diodes incorporated MMBD4448V surface mount fast switching diode case: sot-563, molded plastic case material - ul flammability rating classification 94v-0 moisture sensitivity: level 1 per j-std-020a terminals: finish - matte tin (note 2) solderable per mil-std-202, method 208 marking: kal (see page 3) ordering & date code information: see page 3 mechanical data a m l b c h k g d kal ym maximum ratings @ t a = 25 c unless otherwise specified electrical characteristics @ t a = 25 c unless otherwise specified t c u d o r p w e n c 1 a 1 nc nc a 2 c 2 ultra-small surface mount package fast switching speed for general purpose switching applications high conductance lead free plating 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 3) i fm 500 ma average rectified output current (note 3) 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 3) p d 150 mw thermal resistance junction to ambient (note 3) 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 4) v (br)r 80 v i r = 2.5 a forward voltage (note 4) 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 4) 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-563 dim min max typ a 0.15 0.30 0.25 b 1.10 1.25 1.20 c 1.55 1.70 1.60 d 0.50 g 0.90 1.10 1.00 h 1.50 1.70 1.60 k 0.56 0.60 0.60 l 0.10 0.30 0.20 m 0.10 0.18 0.11 all dimensions in mm notes: 1. package is non-polarized. parts may be on reel in orientation illustrated, 180 rotated, or mixed (both ways). 2. if lead-bearing terminal plating is required, please contact your diodes inc. sales representative for avai lability and minimum order details. 3. device mounted on fr-4 pcb, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on diodes inc. suggested p ad layout document ap02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 4. short duration test pulse used to minimize self-heating effect. see note 1 features
ds30451 rev. 2 - 2 2 of 3 MMBD4448V www.diodes.com -50 0 50 100 150 250 200 150 50 100 0 t , ambient temperature ( c) a fig. 1, derating curve - total p,p o wer dissipati o n (mw) d 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. 2 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. 3 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 .4 t y pical capacitance vs. reverse volta g e f=1mhz t c u d o r p w e n
ds30451 rev. 2 - 2 3 of 3 MMBD4448V www.diodes.com ordering information (note 5) device packaging shipping MMBD4448V-7 sot-563 3000/tape & reel notes: 5. 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 kal ym kal = product type marking code (see page 1 diagrams) ym = date code marking y = year (ex: r = 2004) 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 2004 2005 2006 2007 2008 2009 code rs t u vw
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