fast switching speed. high conductance. for general purpose switching applications. surface mount package ideally suited for automatic insertion. small signal switching type no. marking package code MMBD4148 ka2 sot-23 maximum rating @ ta=25 unless otherwise specified parameter symbol limits unit peak repetitive peak reverse voltage working peak reverse voltage dc reverse voltage v rrm v rwm v r 75 v non-repetitive peak reverse voltage v rm 100 v rms reverse voltage v r(rms) 53 v forward continuous current i fm 300 ma average rectified output current i o 150 ma non-repetitive peak forward surge current @t=1.0 s @t=1.0s i fsm 2.0 1.0 a power dissipation p d 350 mw thermal resistance junction to ambient air r ja 375 / w operating and storage temperature range t j ,t stg -65 to 150 MMBD4148 surface mount switching diode dimensions in inches and (millimeters) sot-23 features applications ordering information ? ? ? ? ? http://www.luguang.cn mail:lge@luguang.cn
electrical characteristics @ ta=25 unless otherwise specified parameter symbol min. typ. max. unit conditions reverse breakdown voltage v r(br) 75 i r =100 a maximum forward voltage v fm 0.715 0.855 1.0 1.25 v i f =1.0ma i f =10ma i f =50ma i f =150ma i r1 2.5 a v r =75v reverse current i r2 25 na v r =20v diode capacitance c d 2 pf v r =0v,f=1mhz reverse recovery time t rr 4 ns i f =i r =10ma,i rr =0.1*i r, r l =100 ? typical characteristics @ ta=25 unless otherwise specified MMBD4148 surface mount switching diode http://www.luguang.cn mail:lge@luguang.cn
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