1N4937

1N4933 THRU 1N4937 1.0 AMP. Fast Recovery Rectifiers Voltage Range 50 to 600 Volts Current 1.0 Ampere Features Low forward voltage drop High current capability High reliability High surge current capability DO-41 Mechanical Data Cases: 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: 0.34gram 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 1N 1N Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @TA = 50℃ Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 1.0A Maximum DC Reverse Current @ TA=25 ℃ at Rated DC Blocking Voltage @ TA=100℃ Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance Typical Thermal Resistance Storage Temperature Range Operating Temperature Range ( Note 2 ) ( Note 3 ) VRRM VRMS VDC I(AV) IFSM VF IR Trr Cj RθJA TJ TSTG 4933 50 35 50 4934 100 70 100 1N 4935 200 140 200 1.0 30 1.2 1N 4936 400 280 400 1N 4937 600 420 600 Units V V V A A V uA uA nS pF O C/W ℃ ℃ 5.0 100 200 10 65 -65 to +150 -65 to +150 Notes: 1. Reverse Recovery Test Conditions: IF=1.0A, VR=30V, di/dt=50A/uS, Irr=10% IRM for Measurement of trr. 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Mount on Cu-Pad Size 5mm x 5mm on P.C.B. - 400 - RATINGS AND CHARACTERISTIC CURVES (1N4933 THRU 1N4937) FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 30 OHM/30 W NI IF 60 HZ 117 V 1 2 4 0.1mF 1 OHM 10 W NI IR 1.4 CEM 3.8 uH D.U.T. OUTPUT. SCOPE 0.1 mF 10K OHM/ZW NI VR FIG.2- MAXIMUM FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT. (A) 1.0 RESISTIVE OR INDUCTIVE LOAD 10 FIG.5- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 0.5 INSTANTANEOUS FORWARD CURRENT. (A) 0.75 1 0.25 0.375" (9.5mm) LEAD LENGTH 0 25 50 75 100 o 125 150 175 AMBIENT TEMPERATURE. ( C) 0.1 PEAK FORWARD SURGE CURRENT. (A) FIG.3- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 Tj=Tj max. 8.3ms Single Half Sine Wave JEDEC Method 20 Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE 0.01 0.4 0.6 0.8 1.0 1.2 FORWARD VOLTAGE. (V) 1.4 1.6 0 FIG.6- TYPICAL REVERSE CHARACTERISTICS 10 20 10 1 10 NUMBER OF CYCLES AT 60Hz 100 Tj=125 0C FIG.4- TYPICAL JUNCTION CAPACITANCE 100 INSTANTANEOUS REVERSE CURRENT. MICROAMPERES 0 1 Tj=75 0C JUNCTION CAPACITANCE.(pF) 10 Tj=25 0C 0.1 Tj=25 0C 1 1 10 REVERSE VOLTAGE. (V) 100 0.01 0 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 140 - 401 -