cmhd4448 surface mount high speed silicon switching diode description: the central semiconductor cmhd4448 type is a ultra-high speed silicon switching diode manufactured by the epitaxial planar process, epoxy molded in a sod-123 surface mount package, designed for high speed switching applications. marking code: c48 sod-123 case 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 400 mw operating and storage junction temperature t j , t stg -65 to +150 c thermal resistance ja 312.5 c/w electrical characteristics: (t a =25c unless otherwise noted) symbol test conditions min max units i r v r =20v 25 na i r v r =20v, t c =25c 50 a i r v r =75v 5.0 a 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 v r =6.0v, i f =10ma, i r =1.0ma, r l =100 4.0 ns r7 (5-august 2010) www.centralsemi.com
cmhd4448 surface mount high speed silicon switching diode lead code 1) cathode 2) anode marking code: c48 www.centralsemi.com r7 (5-august 2010) sod-123 case - mechanical outline
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