1N4933 THRU 1N4937 1.0 AMP. Fast Recovery Rectifiers Voltage Range 50 to 600 Volts Current 1.0 Ampere DO-41 Features Low forward voltage drop High current capability High reliability High surge current capability 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 ( Note 2 ) ( Note 3 ) Operating Temperature Range Storage Temperature Range VRRM VRMS VDC 4933 50 35 50 4934 100 70 100 1N 4935 200 140 200 1N 4936 400 280 400 1N 4937 600 420 600 Units V V V I(AV) 1.0 A IFSM 30 A VF 1.2 V 5.0 100 200 10 65 -65 to +150 -65 to +150 uA uA nS pF O C/W ℃ ℃ IR Trr Cj RθJA TJ TSTG 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 1 60 HZ 117 V 0.1 mF 2 3.8 uH IR D.U.T. 1.4 CEM OUTPUT. 4 10K OHM/ZW NI VR 1 OHM 10 W NI 0.1mF FIG.5- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 1.0 10 0.75 0.5 0.25 0.375" (9.5mm) LEAD LENGTH 0 25 50 75 100 125 150 175 o PEAK FORWARD SURGE CURRENT. (A) AMBIENT TEMPERATURE. ( C) FIG.3- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 30 Tj=Tj max. 8.3ms Single Half Sine Wave JEDEC Method INSTANTANEOUS FORWARD CURRENT. (A) RESISTIVE OR INDUCTIVE LOAD 1 0.1 0 Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE 0.01 0.4 20 0.6 0.8 1.0 1.2 FORWARD VOLTAGE. (V) 1.4 1.6 FIG.6- TYPICAL REVERSE CHARACTERISTICS 10 20 10 0 1 100 10 NUMBER OF CYCLES AT 60Hz FIG.4- TYPICAL JUNCTION CAPACITANCE 100 Tj=125 0C 1 Tj=75 0C 0.1 Tj=25 0C 10 INSTANTANEOUS REVERSE CURRENT. MICROAMPERES AVERAGE FORWARD CURRENT. (A) FIG.2- MAXIMUM FORWARD CURRENT DERATING CURVE JUNCTION CAPACITANCE.(pF) SCOPE Tj=25 0C 0.01 1 1 10 100 REVERSE VOLTAGE. (V) - 401 - 0 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 140