31DF2

BL FEATURES Low cost GALAXY ELECTRICAL 31DF1(Z) --- 31DF2(Z) VOLTAGE RANGE: 100 --- 200 V CURRENT: 1.6 A SUPER FAST RECTIFIERS DO - 27 Diffused junction Low leakage Low forward voltage drop High current capability Easily cleaned with alcohol,Isopropanol and similar solvents 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%. 31DF1 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA=75 31DF2 200 140 200 1.6 UNITS V V V A VRRM VRMS VDC IF(AV) 100 70 100 Peak forw ard surge current 10ms single half-sine-w ave superimposed on rated load @TJ =125 IFSM 125.0 A Maximum instantaneous forw ard voltage @ IF=1.6A Maximum reverse current at rated DC blocking voltage Maximum reverse recovery time Typical junction capacitance Typical thermal resistance @T =25 A @TA=100 (Note1) (Note2) (Note3) VF IR trr CJ RθJA TJ TSTG 0.98 5.0 50.0 30 90 34 - 55 ----- + 150 - 55 ----- + 150 V A ns pF /W Operating junction temperature range Storage temperature range NOTE: 1. Measured with IF=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. Document Number 0264016 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES 31DF1(Z) --- 31DF2(Z) FIG.1 -- TE CIRCUIT DIAGRAM AND REVERSE RE ST COVE TIME CHARACTERISTIC RY 50 N 1. 10 N 1. trr +0.5A D.U.T. 0 (+) 25VDC (approx) (-) 1 NONINDUCTIVE PULSE GENERATOR (NOTE2) OSCILLOSCOPE (NOTE 1) -0.25A -1.0A 1cm NO TES:1.RISE TIM = 7ns M X E A .INPUT IM PEDA NCE =1M . 22pF. JJJJ 2.RISE TIM =10ns M X E A .SOURCE IM PEDA NCE=50 . SE TIM BASEFO 10 ns/cm TE R FIG.2 -- TYPICAL FORWARD CHARACTE RISTIC INSTANTANEOUS FORWARD CURRENT AMPERES 100 40 20 10 4.0 2.0 1.0 0.4 0.2 0.1 0.2 0.4 0.6 0.8 FIG.3 -- FORWARD DE RATING CURVE AVERAGE FORWARD CURRENT AMPERES 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 Single Phase Half W 60HZ ave Resistive or Inductive Load 0.375"(9.5m )Lead Length m TJ=25 Pulse Width=300µs 1.0 1.2 1.4 INST ANTANEOUS FORWARD VOLTAGE, VOLTS AMBIENT TEMPERATURE, FIG.4-- TY PICAL JUNCTION CAPACITANCE 1000 FIG.5-- PEAK FORWORD SURGE CURRENT PEAK FORWORD SURGE CURRENT AMPERES 150 8.3m Single H s alf Sine-W ave JUNCTION CAPACITACE, pF 600 400 200 100 60 40 20 125 100 75 TJ=25 f=1.0M z H 50 25 0 1 5 10 50 100 10 0.1 0.2 0.4 1 2 4 10 20 40 100 REVERSE VOLT AGE, VOLTS NUMBER OF CYCLES AT 60HZ www.galaxycn.com Document Number 0264016 BLGALAXY ELECTRICAL 2.