BYV37

BL GALAXY ELECTRICAL FAST RECOVERY RECTIFIER FEATURES L ow cost D iffused junction L ow leakage L ow forward voltage drop High current capability Easily cleaned with Freon,Alcohol,Isopropanol and similar solvents The plastic material carries U/L recognition 94V-0 BYV37- - - BYV38 VOLTAGE RANGE: 800 --- 1000 V CURRENT: 2.0 A DO - 15 MECHANICAL DATA Case:JEDEC DO-15,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight: 0.014 ounces,0.39 grams Mounting position: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS R atings at 25 a mbient temperature unless otherwise specified. Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%. BYV 37 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA =75 BYV 38 1 000 700 1 000 2.0 UNITS V V V A VRRM VRMS VDC IF(AV) 8 00 560 8 00 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 IFSM 5 0.0 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 Rθ JA TJ TSTG 1.1 5.0 100 300 15 45 - 55---- +150 - 55---- +150 V A ns pF K/W Maximum reverse recovery time (Note1) Typical junction capacitance Typical thermal resistance (Note2) (Note3) Operating junction temperature range Storage temperature range N OTE:1. Measured with I F =0.5A, I R=1A, I rr=0.25A. www.galaxycn.com 2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. 3. Thermal resistance f rom junction to ambient ,I=10mm,T L =constant. Document Number 0261074 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES FIG.1 -- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM trr 50 N.1. 10 N.1. BYV37- - - BYV38 +0.5A D.U.T. (+) 50VDC (APPROX) (-) 1 N.1. (-) 0 PULSE GENERATOR (NOTE2) OSCILLOSCOPE (NOTE 1) (+) -0.25A -1.0A 1cm NOTES: 1. RISE TIM = 7ns M INP IM EDANCE = 1M . 22PF E AX. UT P 2. RISE TIM = 10ns M SOURCE IM EDANCE = 50 E AX. P SET TIM BASEFOR 50/100 ns /cm E FIG.2 --TYPICAL FORWARD CHARACTERISTIC INSTANTANEOUS FORWARD CURRENT AMPERES AVERAGE FORWARD RECTIFIED CURRENT,AMPERES 100 10 TJ=25 Pulse Width=300 µS FIG.3-- FORWARD DERATING CURRENT 2.0 Single Phase Half Wave 60Hz Resistive or Inductive Load 4 2 1.0 0.4 0.2 0 .1 0 . 06 0 . 04 1. 5 1.0 0. 5 0.02 0.01 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 00 25 50 75 100 125 150 175 200 225 INSTANTANEOUS FORWARD VOLTAGE,VOLTS AMBIENT TEMPERATURE, FIG.4-- PEAK FORWARD SURGE CURRENT FIG.7 --TYPICAL JUNCTION CAPACITANCE PEAK FORWARD SURGE CURRENT AMPERES 200 JUNCTION CAPACITANCE,pF 50 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 TJ=25 f=1M Hz 40 30 8.3ms Single Half Sine-Wave 20 10 0 0.1 5 10 50 NUMBER OF CYCLES AT 60Hz REVERSE VOLTAGE,VOLTS www.galaxycn.com Document Number 0261074 BLGALAXY ELECTRICAL 2.