Looking For: MR820, MR821, MR822, MR824, MR826 Replacements? DIOTEC ELECTRONICS CORP 18020 Hobart Blvd., Unit B Gardena, CA 90248 U.S.A Tel.: (310) 767-1052 Fax: (310) 767-7958 35 AMP LEAD MOUNT FAST RECOVERY BUTTON DIODES MECHANICAL SPECIFICATION FEATURES SUGGESTED REPLACEMENT FOR MR820, MR821 MR822, MR824, MR826 DIODES HIGH FREQUENCY: 250 kHz FAST RECOVERY: Typical 100nS - 150nS UNMATCHED PERFORMANCE - Minimal RFI/EMI, Reduced Power Losses, Extremely Cool Operation Increased Power Supply Efficiency VOID FREE Vacuum Die Soldering For Maximum Mechanical Strength And Heat Dissipation (Solder Voids: Typical < 2%, Max. < 10% of Die Area) Proprietary Junction Passivation For Superior Reliability and Performance Wide Range of Applications - Inverters, Converters Choppers, Power Supplies, etc. D Die Size: 0.180" x 0.180" Square A E MILLIMETERS DIM L MECHANICAL DATA F MAX A M Case: Molded Epoxy (UL Flammability Rating 94V-O) MIN B INCHES MIN 0.332 MAX 0.342 B 0.234 0.246 D E 0.050 0.215 0.053 0.225 F L 0.165 0.990 0.175 1.010 5° NOM M 5° NOM Finish: All external surfaces are corrosion resistant and the contact areas are readily solderable o Maximum Lead Soldering Temperature: 210 C, 3/8" case for 10 seconds at 5 lbs tension ANT L Mounting Position: Any S RoH Polarity: Color band or diode symbol on case LI MP O C Weight: 0.09 Ounces (2.5 Grams) MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS Ratings at 25 °C ambient temperature unless otherwise specified. PARAMETER (TEST CONDITIONS) SYMBOL RATINGS DR SRP DR 3501S 820 821 Series Number DR 822 UNITS DR 824 DR 826 Maximum DC Blocking Voltage VRM 50 100 200 400 600 Maximum RMS Voltage VRMS 35 70 140 280 420 Maximum Peak Recurrent Reverse Voltage VRRM 50 100 200 400 600 Average Forward Rectified Current Peak Forward Surge Current (8.3mS single half sine wave superimposed on rated load) IO 35 IFSM 600 VOLTS AMPS VFM 1.2 (Typical 1.1) VOLTS IRM 2.0 100 mA Typical Thermal Resistance, Junction to Case (Note 1) RqJC 0.8 °C/W Maximum Reverse Recovery Time (IF = 1.0 Amp to VR = 30 Vdc) (IFM = 15 Amp, di/dt = 25 A/ms) TRR 200 (Typ. 150) 300 (Typ. 150) nSec TJ, TSTG -65 to +175 °C Maximum Forward Voltage at 35 Amps DC Maximum Average DC Reverse Current At Rated DC Blocking Voltage Junction Operating and Storage Temperature Range Notes: 1) Both Leads to Heatsink, Equal Length o @ TC = 25 C o @ TC = 100 C Data Sheet No. DR820-1A