- 326 - MURF1620CT thru murf1660ct 16.0 amps. switchmode power rectifiers voltage range 200 to 600 volts current 16.0 ampere features ultrafast 35 and 60 nanosecond recovery times 175 o coperating junction temperature popular to-220 package epoxy meets ul94, v o @ 1/8? high temperature glass passivated junction high voltage capab ility to 600 volts low leakage specified @ 150 o c case temperature current derating @ both case and ambient temperatures mechanical data case: epoxy, molded lead temperature for soldering purposes: 260 o c max. for 10 seconds finish: all external surfaces corrosion resistant and terminal leads are readily solderable shipped 50 units per plastic tube weight: 1.9 grams (approximately) ito-220ab dimensions in inches and (millimeters) maximum ratings type number symbol murf 1620ct murf 1640ct murf 1660ct units peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 200 400 600 v average rectified forward current per leg total device, (rated v r ), tc=150 o c total device i f(av) 8.0 16 amps peak rectified forward current (rated vr, square wave, 20 khz), tc=150 per diode leg i fm 16 amps nonrepetitive peak surge current (surge applied at rated load conditions halfwave, single phase, 60 hz) i fsm 100 amps operating junction temperature and storage temperature t j , t stg -65 to + 175 thermal characteristics, per diode leg typical thermal resistance, junction to case, mounted on 2? x 3? x 0.25 al-plate. r jc 3.0 2.0 /w electrical characteristics, per diode leg maximum instantaneous forward volta g e (note 1) (if=8.0 amps, tc=25 ) (if=8.0 amps, tc=150 ) vf 0.975 0.895 1.30 1.300 1.50 1.20 v maximum instantaneous reverse current at rated dc blocking voltage @ t a =25 @ t a =125 ir 5.0 250 10 500 ua ua maximum reverse recovery time (if=0.5 amp, ir=1.0 amp, i rr =0.25 amp) trr 25 50 ns note: 1. pulse test: pulse width = 300 us, duty cycle Q 2.0%. .272(6.9) .248(6.3) .543(13.8) .512(13.2) .110(2.8) .098(2.5) .606(15.5) .583(14.8) .112(2.85) .100(2.55) .134(3.4)dia .113(3.0)dia
- 327 - ratings and characteristic curves (murf1620 thru murf1660ct) ct i , instantaneous for ward current . (a) f v , instantaneous voltage. (v) f fig.3- typical forward voltage, per leg 0.2 0.3 0.4 0.6 0.8 1.0 1.1 1.2 0.1 0.9 0.7 0.5 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 tj=175 c 0 100 c 0 25 c 0 fig.2- typical reverse current, per leg i , reverse current .( a) r 25 c 0 tj=175 c 0 100 c 0 0 020 40 60 80 100 120 140 160 180 200 0.02 0.04 0.08 0.2 0.4 0.8 2.0 4.0 8.0 20 40 80 200 400 800 v , reverse voltage. (v) r *the curves shown are typical for hightest voltage deice in the voltage grouping. typical reverse current for lower voltage selections can be estimated from these same curves if v is sufficiently below rated v . r r fig.1- current derating, case, per leg t , case temperature. ( c) c o i , averagepower dissip ation f(a) (w) 0 140 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10 145 150 155 160 165 170 175 180 dc square wave rated v applied r v , reverse voltage. (v) r 1.0 10 10 100 30 100 300 1000 fig.4- typical capacitance, per leg tj=25 c 0 t , ambient temperature. ( c) a o 0 0 20 40 60 80 100 120 140 160 180 200 2.0 4.0 6.0 8.0 10 12 14 i , average for ward current . (a) f(a) fig.5- current derating, ambient, per leg square wave square wave dc dc r ja = 16 c/w o r ja = 60 c/w o (no heatsink)
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