BL GALAXY ELECTRICAL 1A1 --- 1A7 VOLTAGE RANGE: 50 --- 1000 V CURRENT: 1.0 A PLASTIC SILICON RECTIFIER FEATURES R-1 Low cost Diffused junction Low leakage High current capability Easily cleaned with Freon,Alcohol,lsopropanol and similar solvents The plastic material carries U/L recognition 94V-O MECHANICAL DATA Case:JEDEC R-1,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight: 0.007 ounces,0.20 grams Mounting position: Any 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%. 1A1 1A2 1A3 1A4 1A5 1A6 1A7 UNITS Maximum recurrent peak reverse voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 V Maximum average forw ard rectified current 9.5mm lead length, @TA =75 IF(AV) 1.0 A IFSM 30.0 A VF 1.0 V Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @Tj =125 Maximum instantaneous forw ard voltage @ 1.0 A Maximum reverse current @TA=25 at rated DC blocking voltage Typical junction capacitance Typical thermal resistance @TA =100 (Note1) (Note2) Operating junction temperature range Storage temperature range 5.0 IR 50.0 CJ 15 RθJA 50 Tj - 55 ---- + 150 TSTG - 55 ---- + 150 NOTE: 1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC. µA pF /W www.galaxycn.com 2. Thermal resistance from junction to ambient. Document Number 0260001 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES 1A1---1A7 FIG.2 -- TYPICAL JUNCTION CAPACITANCE 100 10 100 T J =25 Pulse Width=300us 60 CAPACITANCE, pF 4 2 1.0 AMPERES INSTANTANEOUS FORWARD CURRENT FIG.1 --TYPICAL FORWARD CHARACTERISTIC 0.4 0.2 0.1 0.06 0.04 0.02 20 10 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 0.01 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE,VOLTS REVERSE VOLTAGE,VOLTS 30 AMPERES 20 TJ=125 8.3ms Single Half Sine-Wave 10 0 1 10 100 FIG.4 -- FORWARD DERATING CURVE AVERAGE FORWARD CURRENT, AMPERES FIG.3 -- PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT f=1MHz TJ=25 40 1.0 .8 .6 .4 Single Phase Half Wave 60H Z Resistive or Inductive Load 0.375"(9.5mm) Lead Length .2 0 NUMBER OF CYCLES AT 60Hz 0 25 50 75 100 125 150 175 200 AMBIENT TEMPERATURE, www.galaxycn.com Document Number 0260001 BLGALAXY ELECTRICAL 2.