BL GALAXY ELECTRICAL 31DF6(Z) VOLTAGE RANGE: 600 V CURRENT: 3.0 A SUPER FAST RECTIFIERS FEATURES DO - 27 Low cost Diffused junction Low leakage Low forward voltage drop High current capability Easily cleaned with alcohol,Isopropanol and similar solvents The plastic material carries U/L recognition 94V-0 MECHANICAL DATA Case:JEDEC DO--27,molded plastic Terminals: Axial lead ,solderable per MIL-STD202,Method 208 Polarity: Color band denotes cathode Weight: 0.041ounces,1.15 grams Mounting position: Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,50Hz,resistive or inductive load. For capacitive load,derate by 20%. 31DF6 UNITS Maximum recurrent peak reverse voltage VRRM 600 V Maximum RMS voltage VRMS 420 V Maximum DC blocking voltage VDC 600 V IF(AV) 3.0 A IFSM 45.0 A VF 1.7 V Maximum average forw ard rectified current 9.5mm lead length, @TA =75 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ =125 Maximum instantaneous forw ard voltage @ 3.0A Maximum reverse current at rated DC blocking voltage @TA =25 @TA =100 20.0 IR A 100.0 Maximum reverse recovery time (Note1) trr 35 ns Typical junction capacitance (Note2) CJ 90 pF Typical thermal resistance (Note3) RθJA 34 TJ - 55 ----- + 150 TSTG - 55 ----- + 150 Operating junction temperature range Storage temperature range NOTE: 1. Measured with I F =0.5A, I R=1A, I rr=0.25A. /W www.galaxycn.com 2. Measured at 1.0MH Z and applied rev erse v oltage of 4.0V DC. 3. Thermal resistance f rom junction to ambient. Document Number 0264018 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES 31DF6(Z) FIG.2 -- PEAK FORWORD SURGE CURRENT PEAKFORWARDSURGECURRENT AMPERES AVERAGE FORWARD CURRENT , A FIG.1 -- FORWARD DERATING CURVE 5.0 4.0 3.0 Single Phase Half Wave 60HZ Resistive or Inductive Load 0.375"(9.5mm)Lead Length 2.0 1.0 0 0 25 50 75 125 100 150 AMBIENT TEMPERATURE , 50 40 30 20 10 0 1 5 10 50 100 NUMBER OF CYCLES AT 60HZ FIG.3 -- TYPICAL FORWORD CHARACTERISTIC INSTANTANEOUS FORWARD CURRENT ,A 8 .3 m s S in g le H a lf S in e -W a v e FIG.4--TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE,pF 10 4.0 2.0 1.0 0.4 0.2 0.1 0.04 T J =25 Pulse Width=300 µs 0.02 0.01 0 .4 0 0 .8 1.2 1.6 2.0 1000 600 400 200 100 60 40 20 TJ=25 f=1.0MHz 10 2.4 INSTANTANEOUS FORWORD VOLTAGE, VOLTS 0.1 0.2 0.4 1 2 4 10 20 40 100 REVERSE VOLTAGE, VOLTS FIG.5--AVERAGE FORWARD POWER DISSIPATION DC 6 0 DISSIPATION , W AVERAGE FORWARD POWER 7 RECT180 5 HALF SINE WAVE 0 RECT120 4 0 RECT60 3 2 1 0 0 0 .5 1.0 1.5 2.0 2.5 3.0 AVERAGE FORWARD CURRENT , A www.galaxycn.com Document Number 0264018 BLGALAXY ELECTRICAL 2.