preliminary specification MBRS25H45CT 25.0 amps. surface mount schottky barrier rectifiers ? plastic material used carries underwriters laboratory classifications 94v-0 ? metal silicon junction, majority carrier conduction ? low power loss, high efficiency ? high current capability low forward voltage drop ? high surge capability ? for use in low voltage, high frequency inverters, free wheeling, and polarity protection applications. ? guarding for over voltage protection ? high temperature soldering guaranteed: 260 o c/10 seconds at terminals maximum ratings and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% symbol units v rrm v v rms v v dc v i (av) a i fsm a i rrm a v f v i r ma dv/dt pf r jc r ja o c/w t j o c t stg o c note : 1. 2.0us pulse width,f=1.0 kh z 2. pulse test : 300us pulse width,1% duty cycle 3. thermal resistance from junction to case per leg ? mounting torque: 5 in. - lbs. max type number ? weight: 1.41 grams voltage rate of change (rated v r ) 10,000 1.5 50 -65 to +175 -65 to +175 operating temperature range 31 45 25.0 storage temperature range maximum thermal resistance per leg (note 3) 0.62 0.57 0.82 0.72 0.2 15.0 maximum rms voltage maximum dc blocking voltage maximum average forward rectified current @tc = 155 o c (tatol device) 1.0 150.0 maximum dc reverse current @ t c =25 o c at rated dc blocking voltage @ t c =125 o c peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) maximum instantaneous forward voltage at (note2) if = 15a, tc=25 o c if = 15a, tc=125 o c if = 30a, tc=25 o c if = 30a, tc=125 o c peak repetitive reverse surge current(note1) d 2 pak maximum recurrent peak reverse voltage ? polarity: as marked ? mounting position: any MBRS25H45CT features mechanical data ? cases: jedec d 2 pak molded plastic ? terminals: leads solderable per mil-std-750, method 2026 45 pb rohs compliance rohs compliance version : a09 MBRS25H45CT gyww = = = = mbrs25h45 ct g y ww specific device code green compound year work week
rating and characteristic curves (MBRS25H45CT) fig. 1- maximum forward current derating curve 0 5 10 15 20 25 30 50 75 100 125 150 175 case temperature ( o c) average forward current (a) resistive or inductive load fig. 2- maximum non-repetitive forward surge current per leg 0 25 50 75 100 125 150 1 10 100 number of cycles at 60hz peak forward surge current (a) 8.3ms single half sine wave jedec method t j =t j max fig. 3- typical instantaneous forward characteristics per leg 0.01 0.1 1 10 100 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 forward voltage (v) instantaneous forward current (a) pulse width-300us 1% duty cycle tc=25 o c tc=125 o c fig. 5- typiical transient thermal impedance per leg 0.1 1 10 100 0.01 0.1 1 10 100 t,pulse duration. (sec) transient thermal impedance ( o c/w) fig 4 typical reverse characterisitcs per leg tc=25 o c tc=125 o c 0.001 0.01 0.1 1 10 100 0 20 40 60 80 100 120 140 percentage of vr (%) instantaneous reverse current (ma) version : a09
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