mmbd4448ht/hta htc/hts switching diodes 250 mamperes 80 volts surface mount switching diodes weitron http://www .weitron.com.tw 1/3 31-may-07 sot-523(sc-75) 1 2 3 so t -523 outline dimensions (sc-75) unit:mm a b d e g m l h j top view dim a b c d e g h j k l m min 0.30 0.70 1.45 - 0.15 0.80 1.40 0.00 0.70 0.37 0.10 max 0.50 0.90 1.75 0.50 0.40 1.00 1.80 0.10 1.00 0.48 0.25 k c sot-523 * ultra-small surface mount package * fast swi t chin g speed * for general purpose switching applications * high conductance featu r es: mechanical data: * terminals: solderable per mil-std-202, method 208 * polarity: see diagrams page.2 * marking : see diagrams page.2 * weight: 0.002 grams (approx) lea d( p b)- f r ee p b
maximum ratings ( t a =25c unless othe r wise no t ed) characteristic symbol v rrm v rrm i fm i fsm v r p d v alue unit 80 500 4.0 2.0 150 -65 t o + 150 electrical characteristics ( t a =25?c unless othe r wise no t ed) characteristic symbol r e v erse b r eakd o wn v oltage i r =2.5a f o r w a r d v oltage i f =5ma i f =10ma i f =100ma i f =150ma t otal c apacitan c e v r =6 v , f=1.0m h z r e v erse c u r r e n t v r =70v v r =20v v (br)r v f c t i r min max unit 80 620 - - - - 720 855 1000 1250 3.5 0.1 0.025 mv v pf a r e v erse r e c o v er t ime v r =6v, i f =5ma t r r 4.0 ns device marking item marking eqivalent ci r cuit diagram 1 3 1 2 3 1 2 3 mmbd4448ht mmbd4448htc mmbd4448hts MMBD4448HTA a3 a7 ab a6 1 2 3 peak repetitive reverse voltage working peak reverse voltage dc blocking voltage forward continuous current non-repetitive peak forward surge current power dissipation storage temperature range junction temperature range t j t stg v ma i o 250 ma v rm 100 non-repetitve peak reverse voltage average recti ed output current v a mw c c weitron http://www .weitron.com.tw 2/3 31-may-07 mmbd4448ht/hta htc/hts thermal resistance r ja c/w 833 @t=1.0s @t=1.0s +150
electrical characteristic curves(t a =25?c) weitron http://www .weitron.com.tw 3/3 31-may-07 mmbd4448ht/hta htc/hts
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