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| BL FEATURES Low cos t GALAXY ELECTRICAL BA157(Z) - - - BA159(Z) VOLTAGE RANGE: 400 --- 1000 V CURRENT: 1.0 A FAST RECOVERY RECT IFIER DO - 41 Diffus ed junction Low leakage Low forward voltage drop High current capability Eas ily cleaned with Freon,Alcohol,Is opropanol and s im ilar s olvents The plas tic m aterial carries U/L recognition 94V-0 MECHANICAL DATA Cas e:JEDEC DO-41,m olded plas tic Term inals : Axial lead ,s olderable per MIL- STD-750,Method 2026 Polarity: Color band denotes cathode Weight: 0.012 ounces ,0.34 gram s Mounting pos ition: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 am bient tem perature unles s otherwis e s pecified. Single phas e,half wave,60 Hz,res is tive or inductive load. For capacitive load,derate by 20%. BA157 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA =75 BA158 600 420 600 1.0 BA159D 800 560 800 BA159 1000 700 1000 UNITS V V V A V RRM V RMS V DC IF(AV) 400 280 400 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 IFSM 30.0 A Maximum instantaneous forw ard voltage @ 1.0 A Maximum reverse current at rated DC blocking voltage @TA =25 @TA =100 VF IR t rr CJ R JA TJ TSTG 1.3 5.0 100.0 300 12 55 - 55---- +150 - 55---- + 150 V A ns pF /W Maximum reverse recovery time (Note1) Typical junction capacitance Typical thermal resistance (Note2) (Note3) Operating junction temperature range Storage temperature range NOTE: 1.Measured with I F =0.5A, I R=1A, I rr=0.25A. 2.Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. 3.Therm al resistance f rom junction to ambient. www.galaxycn.com Document Number 0261035 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES FIG.1 -- FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT AMPERES AVERAGE FORWARD RECTIFIED CURRENT,AMPERES BA157(Z) - - - BA159(Z) FIG.2 --MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 1.0 50 0.8 8.3ms Single Half Sine-Wave 40 0.6 30 0.4 0 .2 0 0 Single Phase Half Wave 60Hz Resistive or Inductive Load 20 10 0 1 2 25 50 75 100 125 150 175 4 6 8 10 20 40 60 80 100 AMBIENT TEMPERATURE, FIG.3 --TYPICAL INSTANTANEOUS INSTANTANEOUS FORWARD CURRENT AMPERES INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES FORWARD CHARACTERISTICS 100 10 4 2 1.0 0.4 0.2 0.1 0.06 0.04 0.02 0.01 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 TJ=25 Pulse Width=300S NUMBER OF CYCLES AT 60Hz FIG.4--TYPICAL REVERSE CHARACTERISTICS 10 1.0 TJ=100ae 0.1 0.01 TJ=25 0.001 0 20 40 60 80 100 INSTANTANEOUS FORWARD VOLTAGE,VOLTS FIG.5--TYPICAL JUNCTION CAPACITANCE PERCENT OF RATED PEAK REVERSE VOLTAGE,% 100 JUNCTION CAPACITANCE,pF 60 40 20 10 6 4 2 TJ-25 f=1.0M Hz 1 .1 .2 .4 1.0 2 4 10 2 0 4 0 1 00 REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0261035 BLGALAXY ELECTRICAL 2. |
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