high speed silicon switching diodes ls4148, LS4448 quadro melf (ls-34) high speed switching diodes absolute maximum ratings description unit repetitive peak reverse voltage v continuous reverse voltage v peak forward surge current t p =1 m m s a repetitive peak forward current ma forward current ma average forward current ma power dissipation up to t j =25oc mw junction temperature oc storage temperature range - 65 to +175 oc thermal resistance junction to ambient k/w *device mounted on a pc board 50mm x 50mm 1.6mm electrical characteristics (t a =25oc unless specified otherwise) description symbol min max unit forward voltage v f 0.62 0.72 v 1.0 v 1.0 v reverse current i r 25 na 50 m a 5.0 m a reverse breakdown voltage v br 100 v dynamic characteristics diode capacitance c d v r =0v, f=1mhz, v hf =50mv 4.0 pf rectification efficiency h r 45 % reverse recovery time t rr 4.0 ns t rr 8.0 ns ls4148_LS4448 rev270405e i f =10ma, to i r =1ma 500 300 150 i frm i f i fav 500 175 test condition symbol v rrm v r i fsm value 100 75 2 p d t j t stg *r th (j-a) 500 i f =5ma LS4448 v r =20v v r =20v, t j =150oc v r =75v i f =50ma ls4148 i f =100ma LS4448 measured @ i r =1ma i r =100 m a, t p /t=0.01, t p =0.3ms i f =10ma, to i r =60ma r l =100 w v hf =2v, f=100mhz continental device india limited data sheet page 1 of 3 continental device india limited an iso/ts 16949, iso 9001 and iso 14001 certified company
ls4148_LS4448 rev270405e continental device india limited data sheet page 2 of 3 quadro melf (ls-34) ls4148, LS4448
component disposal instructions ? 1. cdil semiconductor devices are rohs compliant, customers?are requested to please dispose as per prevailing environmental legislation of their country. ls4148_LS4448 rev270405e customer notes disclaimer the product information and the selection guides facilitate selection of the cdil's semiconductor device(s) best suited for application in your product(s) as per your requirement. it is recommended that you completely review our data sheet(s) so as to confirm that the device(s) meet functionality parameters for your application. the information furnished in the data sheet and on the cdil web site/cd are believed to be accurate and reliable. cdil however, does not assume responsibility for inaccuracies or incomplete information. furthermore, cdil does not assume liability whatsoever, arising out of the application or use of any cdil product; neither does it convey any license under its patent rights nor rights of others. these products are not designed for use in life saving/support appliances or systems. cdil customers selling these products (either as individual semiconductor devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and cdil will not be responsible for any damages resulting from such sale(s). cdil strives for continuous improvement and reserves the right to change the specifications of its products without prior notice. cdil is a registered trademark of continental device india limited c-120 naraina industrial area, new delhi 110 028, india. telephone + 91-11-2579 6150, 5141 1112 fax + 91-11-2579 5290, 5141 1119 email@cdil.com www.cdilsemi.com continental device india limited data sheet page 3 of 3 2. in europe, please dispose as per eu directive 2002/96/ec on waste electrical and electronic equipment (weee). quadro melf (ls-34) ls4148, LS4448
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