BL GALAXY ELECTRICAL BA157(Z) - - - BA159(Z) VOLTAGE RANGE: 400 --- 1000 V CURRENT: 1.0 A FAST RECOVERY RECT IFIER FEATURES DO - 41 Low cos t 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 BA158 BA159D BA159 UNITS Maximum recurrent peak reverse voltage V RRM 400 600 800 1000 V Maximum RMS voltage V RMS 280 420 560 700 V Maximum DC blocking voltage V DC 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 1.3 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 at rated DC blocking voltage @TA =25 @TA =100 5.0 IR 100.0 A Maximum reverse recovery time (Note1) t rr 300 ns Typical junction capacitance (Note2) CJ 12 pF Typical thermal resistance (Note3) Rθ JA 55 TJ - 55---- +150 TSTG - 55---- + 150 Operating junction temperature range Storage temperature range /W 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. www.galaxycn.com 3.Therm al resistance f rom junction to ambient. Document Number 0261035 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES BA157(Z) - - - BA159(Z) FIG.2 --MAXIMUM NON-REPETITIVE PEAK FIG.1 -- FORWARD CURRENT DERATING CURVE PEAK FORWARD SURGE CURRENT AMPERES AVERAGE FORWARD RECTIFIED CURRENT,AMPERES FORWARD SURGE CURRENT 1.0 0.8 0.6 0.4 Single Phase Half Wave 60Hz Resistive or Inductive Load 0 .2 0 0 25 75 50 100 150 125 175 50 8.3ms Single Half Sine-Wave 40 30 20 10 0 AMBIENT TEMPERATURE, INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT AMPERES 100 TJ =25 Pulse Width=300 µS 4 2 1.0 0.4 0.2 0.1 0.06 0.04 0.02 0.8 1.0 1.2 1.4 1.6 20 40 60 80 100 FIG.4--TYPICAL REVERSE CHARACTERISTICS FORWARD CHARACTERISTICS 0.01 0.6 6 8 10 NUMBER OF CYCLES AT 60Hz FIG.3 --TYPICAL INSTANTANEOUS 10 4 2 1 1.8 2.0 INSTANTANEOUS FORWARD VOLTAGE,VOLTS 10 1.0 T J=100℃ 0.1 0.01 0.001 T J=25 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE,% FIG.5--TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,pF 100 60 40 20 TJ-25 f=1.0MHz 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 1 00 REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0261035 BLGALAXY ELECTRICAL 2.