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A 25.40 /c190 B 7.20 9.50 C 1.20 1.30 D 4.80 5.30 All Dimensions in mm A A B C D Maximum Ratings and Electrical Characteristics @ T A = 25/c176C unless otherwise specified /c183 /c183 /c183 /c183 /c183 Mechanical Data /c183 /c183 /c183 /c183 /c183 Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Low forward voltage drop Low power loss, high efficiency High current capability High reliability High surge current capability Case: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: Axial leads, solderable per MIL- STD-202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: o C/10 seconds/.375”,(9.5mm) lead Weight: 1.2 grams /c183 2 6 0 lengths at 5 lbs., (2.3kg) tension Type Number Symbol 31DF4 31DF6 Units Maximum Recurrent Peak Reverse Voltage V RRM 400 600 V Maximum RMS Voltage V RMS 280 420 V Maximum DC Blocking Voltage V DC 400 600 V Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @T A = 29℃ (Note 1) @ T L = 109℃ I (AV) 1.2 3.0 A Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) I FSM 45 A Maximum Instantaneous Forward Voltage @ 3.0A V F 1.7 V Maximum DC Reverse Current @ T A =25℃ at Rated DC Blocking Voltage I R 20 uA Maximum Reverse Recovery Time (Note 3) Trr 35 nS Typical Thermal Resistance (Note 2) R θ JA Operating Temperature Range T J -40 to +150 Storage Temperature Range T STG -40 to +150 2. Thermal Resistance from Junction to Ambient .375”(9.5mm) Lead Length. 3. Reverse Recovery Test Conditions: I F =0.5A, I R =1.0A, I RR =0.25A W
FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE RATINGS AND CHARACTERISTIC CURVES (31DF4 THRU 31DF6) FIG.3- TYPICAL FORWARD CHARACTERISTICS Single Phase Half Wave 50 HZ Inductive Load 0.375" (9.5mm) Lead Length AVERAGE FOR WARD RECTIFIED CURRENT AMPERES LEAD TEMPERATURE. ( C) O 25 50 75 100 125 150 175 FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT Tj=25 C 8.3ms Single Half Sine Wave JEDEC Method 5 10 50 100 100 200 PEAK FOR WARD SURGE CURRENT . (A) NUMBER OF CYCLES AT 60 Hz Tj=25 C Pulse Width=300 s 1% Duty Cycle O INSTANTANEOUS FOR WARD CURRENT . (A) FORWARD VOLTAGE. (V) 0.01 0.03 0.1 0.3 100 1.5 1.7 1.9 202 3 30 80 8 2of2