cmud4448 surface mount high speed silicon switching diode description: the central semiconductor cmud4448 type is an ultra-high speed silicon switching diode manufactured by the epitaxial planar process, epoxy molded in an ultramini? surface mount package, designed for high speed switching applications. marking code: daa maximum ratings: (t a =25c) symbol units continuous reverse voltage v r 75 v peak repetitive reverse voltage v rrm 100 v continuous forward current i f 250 ma peak repetitive forward current i frm 500 ma peak forward surge current, tp=1.0s i fsm 4.0 a peak forward surge current, tp=1.0s i fsm 1.0 a power dissipation p d 250 mw operating and storage junction temperature t j , t stg -65 to +150 c thermal resistance ja 500 c/w electrical characteristics: (t a =25c unless otherwise noted) symbol test conditions min max units i r v r =20v 25 na bv r i r =5.0a 75 v bv r i r =100a 100 v v f i f =5.0ma 0.62 0.72 v v f i f =100ma 1.0 v c t v r =0, f=1.0mhz 4.0 pf t rr i r =i f =10ma, i rr =1.0ma, r l =100 4.0 ns sot-523 case r3 (9-february 2010) www.centralsemi.com
cmud4448 surface mount high speed silicon switching diode sot-523 case - mechanical outline lead code: 1) anode 2) no connection 3) cathode marking code: daa pin configuration (bottom view) www.centralsemi.com r3 (9-february 2010)
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