31DF4

31DF4 THRU 31DF6 3.0 AMPS. Ultra Fast Recovery Rectifiers Voltage Range 400 to 600 Volts Current 3.0 Amperes Features Low forward voltage drop Low power loss, high efficiency High current capability High reliability High surge current capability DO-201AD Mechanical Data Case: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: Axial leads, solderable per MILSTD-202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: 260oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Weight: 1.2 grams Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol Type Number 31DF4 Maximum Recurrent Peak Reverse Voltage VRRM 400 Maximum RMS Voltage VRMS 280 Maximum DC Blocking Voltage VDC 400 Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @TA = 29℃ (Note 1) @TL = 109℃ Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 3.0A Maximum DC Reverse Current @ TA=25℃ at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note 3) Typical Thermal Resistance (Note 2) Operating Temperature Range Storage Temperature Range 31DF6 600 420 600 1.2 3.0 45 1.7 20 Units V V V A A V uA nS ℃/W ℃ ℃ I(AV) IFSM VF IR Trr RθJA TJ TSTG 35 80 -40 to +150 -40 to +150 Notes: 1. Without Fin or P.C.Board.. 2. Thermal Resistance from Junction to Ambient .375”(9.5mm) Lead Length. 3. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A - 246 - RATINGS AND CHARACTERISTIC CURVES (31DF4 THRU 31DF6) AVERAGE FORWARD RECTIFIED CURRENT AMPERES FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 4 200 FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT. (A) 3 100 Tj=25 0C 2 50 40 30 20 8.3ms Single Half Sine Wave JEDEC Method 1 Single Phase Half Wave 50 HZ Inductive Load 0.375" (9.5mm) Lead Length 0 0 25 50 75 100 125 150 175 LEAD TEMPERATURE. (OC) 10 1 2 3 5 8 10 20 30 50 80 100 NUMBER OF CYCLES AT 60 Hz FIG.3- TYPICAL FORWARD CHARACTERISTICS 100 30 INSTANTANEOUS FORWARD CURRENT. (A) 10 3 1 0.3 0.1 0.03 Tj=25OC Pulse Width=300 s 1% Duty Cycle 1.5 1.6 1.7 1.8 1.9 2.0 2.1 0.01 1.4 FORWARD VOLTAGE. (V) - 247 -