SFR154

SFR151 THRU SFR157 1.5 AMPS. Soft Fast Recovery Rectifiers Voltage Range 50 to 1000 Volts Current 1.5 Amperes Features Low forward voltage drop High current capability High reliability High surge current capability Fast switching for high efficiency DO-15 Mechanical Data Cases: Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: Axial leads, solderable per MIL-STD202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: 260℃/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs.,(2.3kg) tension Weight: 0.40 gram 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 SFR SFR Type Number 151 152 Maximum Recurrent Peak Reverse Voltage 50 100 VRRM Maximum RMS Voltage 35 70 VRMS Maximum DC Blocking Voltage 50 100 VDC Maximum Average Forward Rectified Current .375”(9.5mm) Lead Length @TA = 55℃ Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 1.5A Maximum DC Reverse Current @ TA=25℃ at Rated DC Blocking Voltage @ TA=75℃ Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) Typical Thermal Resistance ( Note 3 ) Operating Temperature Range Storage Temperature Range SFR 153 SFR 154 SFR 155 SFR 156 SFR Units 157 200 140 200 400 280 400 1.5 50 1.2 5.0 100 600 420 600 800 1000 560 700 800 1000 V V V A A V uA uA nS pF O I(AV) IFSM VF IR Trr Cj RθJA TJ TSTG 120 200 15 65 -65 to +150 -65 to +150 350 C/W ℃ ℃ Notes:1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 Volts D.C. 3. Mount on Cu-Pad Size 10mm x 10mm on P.C.B. - 424 - RATINGS AND CHARACTERISTIC CURVES (SFR151 THRU SFR157) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 2.0 AVERAGE FORWARD CURRENT AMPERES 60 FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT. (A) 50 40 1.5 1.0 30 0.5 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length 0 25 50 75 100 o 20 10 0 1 2 4 6 10 40 100 NUMBER OF CYCLES AT 60Hz 0 125 150 175 AMBIENT TEMPERATURE. ( C) FIG.3- TYPICAL FORWARD CHARACTERISTICS 20 10 90 FIG.4- TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE.(pF) INSTANTANEOUS FORWARD CURRENT. (A) 3.0 Tj=25oC Pulse Width=300 s 1% Duty Cycle 70 50 30 20 10 1.0 0.3 Tj=25 0C 0.1 1 1 2 4 6 10 20 40 60 100 REVERSE VOLTAGE. (V) 0.03 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE. (V) FIG.5- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50W NONINDUCTIVE 10W NONINDUCTIVE +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm - 425 -