cfd4448 surface mount ultra high speed silicon switching diode description: the central semiconductor cfd4448 is an ultra high speed switching diode ideal for applications where very small size and operational efficiency are prime requirements. marking code: x features: ? current (i o =250ma) ? forward voltage drop (v f =0.91v typ @ 100ma) ? extremely fast switching speed (4ns max) ? small tlp, 1.0 x 0.6 x 0.4mm, ultra low profile leadless surface mount package. applications: ? general purpose switching ? dc - dc converters ? flyback diodes ? polarity protection ? battery powered applications including cell phones, digital cameras, pagers, pdas, laptop computers, etc. maximum ratings: (t a =25c) symbol units peak repetitive reverse voltage v rrm 120 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 100 mw operating and storage junction temperature t j , t stg -65 to +175 c thermal resistance ja 1500 c/w electrical characteristics: (t a =25c unless otherwise noted) symbol test conditions min typ max units i r v r =50v 300 na i r v r =50v, t a =125c 100 a i r v r =100v 500 na bv r i r =100a 120 150 v v f i f =1.0ma 0.55 0.59 0.65 v v f i f =10ma 0.67 0.72 0.77 v v f i f =100ma 0.85 0.91 1.0 v c t v r =0, f=1.0mhz 2.0 pf t rr i r =i f =10ma, i rr =1.0ma, r l =100 2.0 4.0 ns sod-882l case r3 (28-september 2011) www.centralsemi.com
cfd4448 surface mount ultra high speed silicon switching diode lead code: 1) cathode 2) anode marking code: x sod-882l case - mechanical outline www.centralsemi.com r3 (28-september 2011)
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