high speed CDSN4148 features designed for mounting on small surface. high speed switching. high mounting capability, strong surge withstand, high reliability. mechanical data case: 1206(3216) standard package, molded plastic. t erminals: solder plated, solderable per mil-std-750, method 2026. polarity: indicated by cathode band. mounting position: any . weight: 0.0085 gram. (approximately) smd switching diode unit v na ua pf ns parameter forward voltage reverse current capacitance between terminals reverse recovery time conditions i f = 50 ma dc v r = 20 v v r = 75 v f = 1mhz, and 0 vdc reverse voltage v r = 6v, i f = 10 ma, r l =50 ohms symbol v f i r c t trr min typ max 1.0 25 2.5 3 4 parameter repetitive peak reverse voltage reverse voltageaverage forward current forward current , surge peak power dissipation storage temperaturejunction temperature conditions tp = 1us tp = 1s symbol v rrm v r io i fsm p d t stg t j min -55 -55 max 100 75 150 350 +175+175 typ 4 1 unit v v ma a mw page 1 www.com chip.co m.tw electrical characteristics ( at t a = 25 unless otherwise noted ) c c maximum rating ( at t a = 25 unless otherwise noted ) c c c c 0.126(3.20) 0.118(3.00) 0.020(0 .50) typ 0.063 (1.60) 0.055(1.40) 0.043 (1.10) 0.035(0.90) 0.010(r0.25) typ. dimensions in inches and (millimeter) 1206(3216) c o m c h ip c o m c h ip rds0208002-c
c a p a c i t a n c e b e t w e e n t e r m i n a l s ( p f ) 0 1.0 2.0 3.0 4.0 5.0 0 2 4 6 8 10 12 14 f = 1 mhz ta = 25 c rating and characteristic curves (CDSN4148) f o r w a r d c u r r e n t ( m a ) fig. 1 - forw ard cha racte ristic s for war d volt age ( v) reverse voltage (v) fig. 2 - rev erse ch aract eristi cs fig. 4 - curre nt d erating curve 0 20 40 60 80 10 0 0 25 50 75 100 125 150 a v e r a g e f o r w a r d c u r r e n t ( % ) fig. 3 - cap acita nce bet ween ter mina ls chara cteris tics rev erse volt age ( v) r e v e r s e c u r r e n t ( a ) 175 200 moun ting on g lass epox y pc bs page 2 10 0u 10 u 10 n 10 0n 1u 10 20 30 40 50 60 70 80 0 0 0.2 0 .4 0 .6 0 .8 1 .0 1.2 10 00 1 10 1 00 smd switching diode www.com chip.co m.tw ambient temperature ( ) c c c 125 c 75 c 25 c 150 c 7 5 c 2 5 c - 2 5 c 1 2 5 c o m c h ip c o m c h ip rds0208002-c
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