SFR1T1 THRU SFR1T7 1.0 AMP. Soft Fast Recovery Rectifiers Voltage Range 50 to 1000 Volts Current 1.0 Ampere TS-1 Features Low forward voltage drop High current capability High reliability High surge current capability Fast switching for high efficiency 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: 0.20 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 1T1 1T2 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 @ 1.0A Maximum DC Reverse Current @ TA=25℃ at Rated DC Blocking Voltage @ TA=100℃ SFR 1T6 SFR Units 1T7 200 140 200 400 280 400 600 420 600 800 1000 560 700 800 1000 V V V A IFSM 30 A VF 1.2 V IR 5.0 100 uA uA nS pF 120 Typical Thermal Resistance ( Note 3 ) RθJA Storage Temperature Range SFR 1T5 1.0 Trr Cj Operating Temperature Range SFR 1T4 I(AV) Typical Junction Capacitance ( Note 2 ) Maximum Reverse Recovery Time ( Note 1 ) SFR 1T3 TJ TSTG 200 10 90 -65 to +150 -65 to +150 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 5mm x 5mm on P.C.B. - 418 - 350 O C/W ℃ ℃ RATINGS AND CHARACTERISTIC CURVES (SFR1T1 THRU SFR1T7) FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 50 PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT AMPERES FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 1.0 .75 .50 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375"(9.5mm) Lead Length .25 0 8.3ms Single Half Sine Wave JEDEC Method 40 30 20 10 0 0 25 50 75 100 125 150 175 1 2 o 4 6 8 10 20 40 60 80 100 NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE. ( C) FIG.4- TYPICAL JUNCTION CAPACITANCE FIG.3- TYPICAL FORWARD CHARACTERISTICS 20 90 3.0 JUNCTION CAPACITANCE.(pF) INSTANTANEOUS FORWARD CURRENT. (A) 10 Tj=25oC Pulse Width=300 s 1% Duty Cycle 1.0 0.3 70 50 30 20 Tj=25 0C 10 1 1 0.1 2 4 6 10 20 REVERSE VOLTAGE. (V) .03 .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 trr +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) 0 -0.25A (+) NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms - 419 - -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm 40 60 100