1n4448 500mw 100volt switching diode do-35 features low current leakage metalurgically bonded construction low cost dimensions inches mm dim min max min max note a --- .166 --- 4.2 b --- .079 --- 2.00 c --- .020 --- .52 d 1.000 --- 25.40 --- maximum ratings operating temperature: -5 5 c to +1 50 c storage temperature: -5 5 c to +150 c maximum thermal resistance; 35 c/w junction to ambient electrical characteristics @ 25 c unless otherwise specified reverse voltage v r 75v peak reverse voltage v rm 100v average rectified current i o 150ma resistive load f >= 50hz power dissipation p tot 500mw junction temperature t j 150 c peak forward surge current i fsm 500ma t<1s instantaneous forward voltage v f 1.0v(max) i fm = 100ma; 0.62-0.72v i fm = 5.0ma maximum dc reverse current at rated dc blocking voltage i r 25na 50 m a v r =20volts t j = 25 c t j = 150 c typical junction capacitance c j 4pf measured at 1.0mhz, v r =4.0v reverse recovery time t rr 4ns i f =10ma v r = 6v r l =100 w *pulse test: pulse width 300 m sec, duty cycle 2% a b c d d cathode mark 5ua v r =75volts
omp onents 20736 marilla chatsworth ! " # $
% ! " # mcc revision: 6 2008/02/01 tm micro commercial components marking : cathode band and type number www. mccsemi .com 1 of 4 ? lead free finish/rohs compliant (note1) ("p"suffix designates compliant. see ordering information) ? moisture sensitivity: level 1 per j-std-020c note: 1. lead in glass exemption applied, see eu directive annex 5.
1n4448 admissable power dissipation - milliwatts versus ambient temperature - c figure 2 forward derating curve 0 17550 75 100 125 0 100 200 300 single phase, half wave 60hz resistive or inductive load milliwatts c 150 400 500 600 junction capacitance - pf versus reverse voltage - volts instantaneous forward current - amperes versus instantaneous forward voltage - volts figure 1 typical forward characteristics 40 60 200 100 milliamps .4 .6 .8 1.0 1.2 1.4 .1 .2 .4 .6 1 2 4 6 10 20 25 c volts figure 3 junction capacitance .1 .2 1 .4 2 10 20 404 100 200 .1 .2 .6 1 2 10 pf volts 6 4 .4 400 1000 t j =25 c mcc revision: 6 2008/02/01 tm micro commercial components www. mccsemi .com 2 of 4
1n4448 1 100 4 0 100 200 300 8 figure 5 peak forward surge current peak forward surge current - amperes versus number of cycles at 60hz - cycles milliamps cycles 2 6 10 20 60 80 40 400 500 600 figure 4 typical reverse characteristics instantaneous reverse leakage current - nanoamperes versus junction temperature - c t j 40 60 200 100 nanoamps 20 120 40 60 80 100 .1 .2 .4 .6 1 2 4 6 10 20 400 600 1000 140 mcc revision: 6 2008/02/01 tm micro commercial components www. mccsemi .com 3 of 4
mcc www.mccsemi .com revision: 6 2008/02/01 tm micro commercial components www. mccsemi .com 4 of 4 products are represented on our website, harmless against all damages. ***applications disclaimer*** ***important notice*** aerospace or military applications. products offer by micro commercial components corp . are not intended for use in medical, micro commercial components corp . reserves the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . micro commercial components corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . the user of products in such applications shall assume all risks of such use and will agree to hold micro commercial components corp . and all the companies whose ordering information device packing (part number)-tp tape&reel; 10kpcs/reel (part number)-ap ammo packing;5kpcs/ammobox (part number)-bp bulk;500pcs/bag
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