DL4148 500mw high speed switching diode 100 volt features ? low current leakage ? compression bond construction ? low cost ? surfa c e mount applications maximum ratings ? operating temperature: -65 to +175 ? storage temperature: -65 to +175 ? maximum thermal resistance: 500k/w junction to ambient tested on pc board 50mm 50mm 1.6mm electrical characteristics @ 25 unless otherwise specified reverse voltage v r 75v breakdown voltage v br 100v i r =100 a average forward current i o 150ma power dissipation p t o t 500mw junction temperature t j 17 5 c peak forward surge current i fsm 2.0a t p = 1.0 s maximum instantaneous forward voltage v f 1.0v i fm = 10ma maximum dc reverse current at rated dc blocking voltage i r 25na 5. 0 a 50 a v r =20v; t j = 25 v r =75v; t j = 25 v r =20v; t j =150 maximum junction capacitance c j 4.0pf measured at 1.0mhz, v r =0v maximum reverse recovery time t rr 4.0ns i f =10ma; v r = 6v r l =10 0 ? *pulse test: pul s e width 300 sec, duty cycle 2% shanghai lunsure electronic technology co.,ltd tel:0086-21-37185008 fax:0086-21-57152769 suggested solder pad layout di m e nsions inches mm dim min max min max note a .134 .142 3.40 3.60 b .008 .016 .20 .40 c . 055 .059 1.40 1.50 ? a b c ca t h ode m a .165 .075 .030 minimelf ww w . cn el ec tr .com
instantaneous forward c u rrent - milliamperes versus instantaneous forward voltage - vol t s figure 1 typical forward characteristics 4 6 20 10 milliamps .4 .6 .8 1.0 1.2 1.4 .01 .02 .04 .06 .1 .2 .4 .6 1 2 25 c volts junction capacitance - pf versus reverse voltage - volts figure 3 junction capacitance .1 .2 1 .4 2 10 20 40 4 100 200 .1 .2 .6 1 2 10 pf volts 6 4 .4 400 1000 t j =25 c admissable power dissipation - milliwatts versus ambient temperature - c figure 2 forward derating curve 0 175 50 75 100 125 0 100 200 300 milliwatts c 150 400 500 600 single phase, half wave 60hz resistive or inductive load ww w . cn ele ct r .com DL4148
1 100 4 0 400 800 1200 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 16 00 2000 2400 figure 4 typical reverse characteristics instantaneous reverse leak age current - nanoamperes versus junction temperature - c t j 40 60 200 100 nanoamp s 2 0 120 4 0 60 80 100 .1 .2 .4 .6 1 2 4 6 10 20 400 600 1000 140 t a =25 c ww w . cnelectr .com DL4148
|
