1N4933 - 1N4937 1.0 AMP. Fast Recovery Rectifiers DO-41 Features High efficiency, Low VF High current capability High reliability High surge current capability Low power loss. Mechanical Data Cases: Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: Pure tin plated, Lead free., solderable per MIL-STD-202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: o 260 C/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 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number Symbol Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current o .375 (9.5mm) Lead Length @TA = 50 C Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 1.0A VRRM VRMS VDC Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance Typical Thermal Resistance Operating Temperature Range ( Note 2 ) 1N 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 5.0 150 200 10 65 -65 to +150 -65 to +150 uA uA nS pF o Maximum DC Reverse Current @ TA=25 C at Rated DC Blocking Voltage @ TA=125 oC 1N 4933 50 35 50 IR Trr Cj R θJA TJ Storage Temperature Range TSTG 1. Reverse Recovery Test Conditions: IF=1.0A, VR=30V, di/dt=50A/uS, Irr=10% IRM for Notes: 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. o C/W o C o C Version: A06 RATINGS AND CHARACTERISTIC CURVES (1N4933 THRU 1N4937) FIG.2- TYPICAL REVERSE CHARACTERISTICS FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 20 10 RESISTIVE OR INDUCTIVE LOAD 0.75 INSTANTANEOUS REVERSE CURRENT. MICROAMPERES AVERAGE FORWARD CURRENT. (A) 1.0 0.5 0.25 0.375" (9.5mm) LEAD LENGTH Tj=125 0C 1 Tj=75 0C 0.1 0 25 50 75 100 125 150 175 o AMBIENT TEMPERATURE. ( C) FIG.3- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT Tj=25 0C 0.01 0 PEAK FORWARD SURGE CURRENT. (A) 30 140 Tj=Tj max. 8.3ms Single Half Sine Wave JEDEC Method 20 10 0 1 FIG.5- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100 10 10 NUMBER OF CYCLES AT 60Hz FIG.4- TYPICAL JUNCTION CAPACITANCE INSTANTANEOUS FORWARD CURRENT. (A) 100 JUNCTION CAPACITANCE.(pF) 20 40 60 80 100 120 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) Tj=25 0C 10 1 1 0.1 0 Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE 0.01 100 10 1 0.4 REVERSE VOLTAGE. (V) 0.6 0.8 1.0 1.2 FORWARD VOLTAGE. (V) 1.4 1.6 FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 30 OHM/30 W NI IF 0.1 mF 60 HZ 117 V 1 10K OHM/ZW NI VR 2 3.8 uH IR D.U.T. 1.4 CEM OUTPUT. 4 0.1mF 1 OHM 10 W NI SCOPE Version: A06