features * fast switching speed. * electrically ldentical to standerd jedec * high conductance * surface mount package ldeally suited for automatic lnsertion. * rohs product for packing code suffix "g" halogen free product for packing code suffix "h" mechanical data dimensions in inches and (millimeters) ratings at 25 ambient temperature unless otherwise specified. single phase half wave, 60hz, resistive of inductive load. for capacitive load, derate current by 20% ratings symbol unit marking code reverse voltage v r volts peak reverse voltage v rm volts rms voltage v rms volts maximum dc blocking voltage v dc volts maximum average forward current i av mamps peak forward surge current 1.0us i fsm amps power dissipation derate above ta=25 p tot mw typical thermal resistance r ja /w typical junction capacitance (note 1) c j p f operating and storage temperature range t j ,t stg electrical ratings @ta=25 symbol unit @ 0.005a dc @0.1a dc @75v dc uamps @25v dc namps trr nsec note: 1. cj at vr=0, f=1mhz 2. from if=10ma to ir=1ma, vr=6volts, rl=100? reverse recovery time (note 2) 4 volts 25 i r maximum forward voltage maximum average reverse current 75 0.72 v f 1.00 maximum ratings and electrical characteristics characteristics 357 4 MMBD4448 a3 100 2.5 75 -55~+150 50 MMBD4448 MMBD4448 4 150 250 single 3 1 2 top view case: sot-23 plastic case. terminals : solderable per mil-std-750,method 2026 standard packaging: 8mm tape weight: approximately 0.0003 ounces, 0.0084 grams sot - 23 .080(2.04) .070(1.78) .110(2.80) .083(2.10) .006(0.15)min. .008(0.20) .003(0.08) .055(1.40) .035(0.89) .020(0.50) .012(0.30) .004(0.10)max. .122(3.10) .106(2.70) .063(1.60) .047(1.20) 150m a surface mount switching diode -10 0v so t - 23 p ackage 2012-1 willas electronic corp. *
fig. 1-typical forward characteristic fig. 2-typical reverse characteristics fig. 3 power derating curve 0.2 0.1 1 10 100 1000 0.4 0.6 0.8 1.0 11 .. 24 0 10 1.0 0.1 0.01 0.001 20 40 60 80 100 0 200 300 400 500 100 50 100 150 200 forward current, ma forward voltage, volts reverse current, a u reverse voltage, volts t =125 c j o t=75c j o t=25c j o p power dissipation (mw) d , ambient temperature( c) o 2012-1 willas electronic corp. MMBD4448 150m a surface mount switching diode -10 0v so t - 23 p ackage
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