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 VOID FREE Vacuum Die Soldering For Maximum Mechanical Strength And Heat Dissipation (Solder Voids: Typical < 2%, Max. < 10% of Die Area) D HIGH FREQUENCY: 250 kHz FAST RECOVERY: Typical 100nS - 150nS UNMATCHED PERFORMANCE - Minimal RFI/EMI, Reduced Power Losses, Extremely Cool Operation Increased Power Supply Efficiency Die Size: 0.180" x 0.180" Square A E MILLIMETERS Proprietary Junction Passivation For Superior Reliability and Performance DIM L Wide Range of Applications - Inverters, Converters Choppers, Power Supplies, etc. 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 0.215 0.050 0.225 0.053 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 MR SRP 3501S 820 Series Number Maximum DC Blocking Voltage UNITS MR MR MR MR 821 822 824 826 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 IO 35 IFSM 600 AMPS Peak Forward Surge Current (8.3mS single half sine wave superimposed on rated load) VFM Maximum Forward Voltage at 35 Amps DC 1.2 (Typical 1.1) VOLTS 2.0 100 mA RqJC 0.8 °C/W TRR 200 (Typ. 150) o Maximum Average DC Reverse Current @ TC = At Rated DC Blocking Voltage @ TC = 100 C Typical Thermal Resistance, Junction to Case (Note 1) VOLTS 25 C o IRM Maximum Reverse Recovery Time (IF = 1.0 Amp to VR = 30 Vdc) m Junction Operating and Storage Temperature Range Notes: 1) Both Leads to Heatsink, Equal Length nSec 300 (Typ. 150) (IFM = 15 Amp, di/dt = 25 A/ s) TJ, TSTG -65 to +175 °C Data Sheet No. MR820-1A