MR850 THRU MR858 3.0 AMPS. Fast Recovery Rectifiers Voltage Range 50 to 800 Volts Current 3.0 Amperes DO-201AD Features a Low forward voltage drop a High current capability a High reliability aHigh surge current capability Mechanical Data a Cases: Molded plastic a Epoxy: UL 94V-0 rate flame retardant a Lead: Axial leads, solderable per MILSTD-202, Method 208 guaranteed a Polarity: Color band denotes cathode end a High temperature soldering guaranteed: 260/10 seconds/.375",(9.5mm) lead lengths at 5 lbs.,(2.3kg) tension aWeight: 1.2 grams Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol MR Type Number MR Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage 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 @ 3.0A Maximum DC Reverse Current @ TA=25 at Rated DC Blocking Voltage @ TA=100 Maximum Reverse Recovery Time ( Note 1 ) VRRM VRMS VDC 851 100 70 100 MR 852 200 140 200 MR 854 400 280 400 MR 856 600 420 600 MR Units 858 800 V 560 V 800 V I(AV) 3.0 A IFSM 150 A 1.25 VF Trr Cj Operating Temperature Range TJ 1.3 10 200 IR Typical Junction Capacitance ( Note 2 ) Storage Temperature Range 850 50 35 50 100 TSTG 80 -65 to +150 -65 to +150 150 V uA uA nS pF 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. . - 230 - REV.1 Oct.-2003 4 FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 3 2 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375"(9.5mm) Lead Length 1 0 0 25 50 75 100 125 150 FIG.2- MAXIMUM NON-REPETITIVE PEAK SURGE CURRENT 150 PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT AMPERES RATINGS AND CHARACTERISTIC CURVES (MR850 THRU MR858) 100 50 Tj=25 0C 8.3ms Single Half Sine Wave JEDEC Method 10 175 1 5 o AMBIENT TEMPERATURE. ( C) FIG.3- TYPICAL FORWARD CHARACTERISTICS 100 90 10 JUNCTION CAPACITANCE.(pF) 80 3.0 1.0 0.3 60 40 Tj=25 0C 20 0 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.1 1 2 4 6 10 20 REVERSE VOLTAGE. (V) .03 .01 0.4 50 FIG.4- TYPICAL JUNCTION CAPACITANCE 20 INSTANTANEOUS FORWARD CURRENT. (A) 10 NUMBER OF CYCLES AT 60Hz 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 (+) 50Vdc (approx) (-) (-) DUT 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 - 231- -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm 40 60 100