BL GALAXY ELECTRICAL DB151 --- DB157 VOLTAGE RANGE: 50 --- 1000 V CURRENT: 1.5 A SILICON BRIDGE RECTIFIERS FEATURES DB - 1 Rating to 1000V PRV Surge overload rating to 40 Amperes peak Ideal for printed circuit board .255(6.5) .310(7.9) .350(8.9) .245(6.2) .290(7.4) .300(7.6) Reliable low cost construction utilizing molded plastic technique results in inexpensive product Lead solderable per MIL-STD-202 method 208 .365(9.3) .355(9.0) Lead: silver plated copper, solderde plated Plastic material has UL flammability classification .135(3.4) .155(2.9) .060(1.5) .165(4.2) .155(3.9) .020(.51) .016(.41) 94V-O .205(5.2) .195(5.0) Polarity symbols molded on body Weight: 0.016 ounces,0.45 grams inch(mm) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. DB151 DB152 DB153 DB154 DB155 DB156 DB157 UNITS Maximum recurrent peak reverse voltage V RRM 50 100 200 400 600 800 1000 V Maximum RMS voltage V RMS 35 70 140 280 420 560 700 V Maximum DC blocking voltage V DC 50 100 200 400 600 800 1000 V Maximum average forw ard Output current @TA=25 IF(AV) 1.5 A IFSM 40.0 A VF 1.1 V 5.0 A 0.5 mA Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load Maximum instantaneous forw ard voltage at 1.5 A Maximum reverse current at rated DC blocking voltage @TA=25 @TA =100 Operating junction temperature range Storage temperature range IR TJ - 55 ---- + 150 TSTG - 55 ---- + 150 www.galaxycn.com Document Number 0287005 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES DB151 -- DB157 FIG.1 -- PEAK FORWARD SURGE CURRENT 8.3ms Single Half Sine Wave TJ=25 30 20 10 1 10 100 AVERAGE FORWARD OUTPUT CURRENT, AMPERSE 40 AMPERSE PEAK FORWARD SURGE CURRENT, 50 FIG.2 -- FORWARD DERATING CURVE 1.5 1.0 0.5 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 NUMBER OF CYCLES AT 60HZ 0.1 TJ=125 Pulse Width =300uS 0.8 1.0 1.2 100 125 150 FIG.4 -- TYPICAL REVERSE CHARACTERISTIC 1.4 INSTANTANEOUS FORWARD VOLTAGE, VOLTS INSTANTANEOUS REVERSE CURRENT, MICRO AMPERSE 1.0 AMPERSE INSTANTANEOUS FORWARD CURRENT, 10 0.6 75 AMBIENT TEMPERATURE, FIG.3 -- TYPICAL FORWARD CHARACTERISTIC 0.1 0.4 50 10 1.0 TJ=25 0.1 .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, % www.galaxycn.com Document Number 0287005 BLGALAXY ELECTRICAL 2.