MR850 thru MR858 Fast Recovery Rectifiers Forward Current 3.0 Amperes Reverse Voltage 50 to 800 Volts Features Low forward voltage drop High current capability High reliability High surge current capability TJ is 150oC (Max.) and TSTG is 175oC (Max.) with PI glue Mechanical Data Case: Molded plastic DO-201AD Epoxy: UL 94V-O rate flame retardant Lead: Axial leads, solderable per MIL-STD-202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: 250oC/10 seconds .375" (9.5mm) lead lengths at 5 lbs., (2.3kg) tension Weight: 0.042 ounce, 1.195 grams Maximum Ratings and Electrical Characteristics Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20% Parameter Symbols MR850 MR851 MR852 MR854 MR856 MR858 Units Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 800 Volts Maximum RMS voltage VRMS 35 70 140 280 420 560 Volts Maximum DC blocking voltage V DC 50 100 200 400 600 800 Volts Maximum average forward rectified current 0.375" (9.5mm) lead length at TA=55oC I(AV) 3.0 Amps Peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 150.0 Amps Maximum instantaneous forward voltage @ 3.0A VF Maximum DC reverse current at rated DC blocking voltage @TA=25oC @TA=100oC 1.25 1.3 10.0 200 IR Volts uA Maximum reverse recovery time (Note 1) trr Typical junction capacitance (Note 2) CJ 65 Operating junction temperature range TJ -55 to +125 o C TSTG -55 to +150 o C Storage temperature range Notes: 100 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 V D.C. 143 150 nS pF RATINGS AND CHARACTERISTIC CURVES 144