LL4148 features fastswitchingdevice(trr<4.0ns) surfacedevicetypemounting hermeticallysealedglass compressionbondedconstruction lowleakagecurrent rohscompliant mechanical data case:ll34(minimelf)package polarity:colorbanddenotescathode weight:approx.30mg surface mount fast switching diode reversevoltage - 100 v powerdissipation - 500 mw alldimensionsinmillimeter max. min. ll-34 dim. a c b 3.3 0.6 3.7 1.4 1.6 semiconductor lite-on rev.0,jan2008,ksys04 ll-34 nonrepetitivepeakforwardcurrent units v peakrepetitivereversevoltage workingpeakreversevoltage dcblockingvoltage forwardsurgecurrentat totalpowerdissipation thermalresistancejunctiontoambiantair operatingandstoragetemperaturerange averagerectifiedoutputcurrnet t j ,t stg r ja p d i av v rrm v rwm v dc i fm i fsm value symbol characteristic 100 maximum ratings and thermal characteristics @t a =25 unlessotherwisespecified forwardvoltage junctioncapacitance v pf reverserecoverytime na ua ua electrical characteristics @t a =25 unlessotherwisespecified parameters symbol test condition min. max. unit reverseleakagecurrent v f i r c j t rr ns if=10ma vr=20v vr=75v vr=20v,t j =150 vr=0v;f=1mhz if=ir=10ma;rl=100 measuredatir=1ma rmsreversevoltage v rms ma ma ma a /w 75 v 65to+175 mw 450 150 500 2.0 500 500 1.0 25 5.0 50 44 reversebreakdownvoltage v br 100 ir=1ua v tp=1.0s tp=1.0us
0.0 0.5 1.0 0.1 1 10 100 1 10 100 1000 10000 100000 0 20 40 60 80 100 120 0.1 1 10 100 0 0.2 0.4 0.6 0.8 1 instantaneousforwardvoltage,(volts) fig.1typicalforwardcharacteristics instantaneousforwardcurrent,(a) t j =25c pulsewidth:300us t j =125c t j =100c fig.2typicaljunctioncapacitance capacitance,(pf) reversevoltage,(volts) t j =25cf=1mhz ratedpeakreversevoltage,(v) fig.3typicalreversecharacteristics instantaneous reversecurrent,(na) t j =25c t j =125c t j =100c rating and characteristic curves LL4148 t j =50c t j =50c
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