50 seaview blvd. port washington, ny 11050-4618 ph.(516)625-1313 fax(516)625-8845 e-mail: semi@sanrex.com mdf ( r ) 150a-l/m diode module f.r.d. t j 1 25 ?| i f 1 2a |? di / dt 1 20a / s mdf ( r ) 150a-l/m and mdr150-l/m are high speed fast recovery diode with flat mounting base which is designed for switching application of high power . ? i f av =150a v rrm =200/300/400v ? easy construction with anode f type and cathode r type ? reverse recovery time trr l type: 450ns, m type: 550ns ? highly reliability by grass passivated chips ? non isolated type [ mdf:anode to terminal normal polarity ] mdr:cathode to terminal applications switching power supply. inverter welding power supply maximum ratings tj 1 25 ? unless otherwise specified electrical characteristics symbol item ratings mdf ( r ) 150a20l/m 200 240 160 mdf ( r ) 150a30l/m 300 360 240 mdf ( r ) 150a40l/m 400 480 320 unit v rrm v rms v r dc repetitive peak reverse voltage non-repetitive peak reverse voltage d.c. reverse voltage v v v symbol item average forward current conditions ratings unit a i f av single phase, half wave, 180 ? conduction, tc: 94 ? 150 i f rms r.m.s. forward current single phase, half wave, 180 ? conduction, tc: 94 ? 235 a i fms surge forward current 1 ? 2 cycle, 50/60h z , peak value, non-repetitive 2700 / 3000 a i 2 t i 2 t value for one cycle of surge current 37500 a 2 s tj operating junction temperature 30 to 150 ? tstg storage temperature mounting torque 30 to 125 ? mounting m6 terminal m8 mass recommended value 2.5 - 3.9 25 - 40 recommended value 8.8 - 10 90 - 105 4.7 48 11 115 n k m f k b g typical value 170 symbol i rrm v fm item repetitive peak reverse current max. forward voltage drop max. conditions at v rrm , single phase, half wave, t j 1 150 ? foward current 470a, t j 1 25 ? inst. measurement ratings 50 1.30 0.30 450 550 unit ma v rth j-c thermal impedancemax max. junction to case l m ? / w trr reverse recovery time max. ns ? n b y ? unit mdr mdf
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