electro-optical characteristics parameter symbol test condition unit max. min. diode capacitance reverse recovery time d c t rr i v r f i =1ma i =10ma i =50ma f f f i =150ma f pf ns v forward voltage MMBD4148 switching diode 3 1 2 anode-cathode anode cathode marking:5d (ta=25 c) ? ? reverse voltage leakage current reverse breakdown voltage v (br) i =100 a r 75 2.5 715 855 1000 1250 mv a v =75v r 20 4 i =i =10ma v =5v r =100 f r r c v =0v f=1mhz r power dissipation p : 225 mw (tamb=25 c) pluse drain i : 150 ma reverse voltage v : 75v operating and storage junction temperature range t , t : -55 c to +150 c features d f r j stg ? ? ? ? ? ? 3 1 2 sot-23 1.base 2.emitter 3.collector 1. 1.3 2.4 2.9 1.9 0.95 0.95 0.4 unit:mm http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co.
mmbd 4148 typical characteristics 0.2 0.4 0.6 0.8 1.0 1.2 v ,forward voltage(volts) f 100 10 1.0 0.1 i , forward current (ma) f forward voltage t =-55 c a ? ? t =25 c a ? ? t =85 c a ? ? 0 10 20 30 40 50 v ,reverse voltage(volts) r 10 1.0 0.1 0.01 0.001 i , reverse current ( a) r leakage current t =25 c a ? ? t =55 c a ? ? t =85 c a ? ? t =125 c a ? ? t =155 c a ? ? http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co.
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