DIOTEC ELECTRONICS CORP. Data Sheet No. SRDB-3500P-1A 18020 Hobart Blvd., Unit B Gardena, CA 90248 U.S.A Tel.: (310) 767-1052 Fax: (310) 767-7958 35 AMP SOFT RECOVERY FAST SWITCHING BRIDGE RECTIFIERS MECHANICAL SPECIFICATION FEATURES TRUE SOFT RECOVERY CHARACTERISTIC WITH NO RINGING, SPIKES, or OVERSHOOT HIGH FREQUENCY: 250 kHz FAST RECOVERY: 100nS - 150nS UNMATCHED PERFORMANCE - Minimal RFI/EMI Reduced Power Losses, Extremely Cool Operation Increased Power Supply Efficiency BH BH Heat Sink LT LL Top View of Heat Sink D1 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: Motor Speed Controllers, Inverters, Converters, Choppers, Power Supplies, etc. LD AC D1 AC D3 BL BL D1 D2 _ + D2 D1 BL BL UL RECOGNIZED - FILE #E124962 MILLIMETERS MILLIMETERS INCHES MIN BL RoHS COMPLIANT MECHANICAL DATA Case: Case: Molded epoxy with integral heat sink Epoxy carries a U/L Flammability rating of 94V-0 28.4 MAX 28.7 1.12 MAX 1.13 BL 28.4 MAX 28.7 MIN MIN 9.6 9.8 0.38 0.39 BH 0.38 16.7 0.62 0.66 D1 9.6 17.5 9.8 15.7 18.5 0.69 D2 D3 17.5 13.5 n/a 18.5 14.5 0.69 0.53 n/a 0.73 0.57 0.6 D2 LL 10.9 20.6 11.9 n/a 1.0 1.1 0.43 0.81 0.039 15.2 LD MAX 1.13 1.12 D1 0.39 0.73 0.47 n/a 0.042 Use Suffix "W" For WIRE LEADS Use Suffix "T" For FAST-ON TERMINALS EXAMPLE P/N: DB3506P/T-S Soldering: Per MIL-STD 202 Method 208 guaranteed MIN BH LT Terminals: Round silver plated copper pins or fast-on terminals INCHES SYM SYM EXAMPLE P/N: DB3506P/W-S Polarity: Marked on side of case Mounting Position: Any. Through hole for #8 screw. Max. mounting torque = 20 in-lb. Weight: Fast-on Terminals - 0.72 Ounces (20.3 Grams) Wire Leads - 0.65 Ounces (18.3 Grams) MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS Ratings at 25 °C ambient temperature unless otherwise specified. PARAMETER (TEST CONDITIONS) SYMBOL RATINGS VRM FDB FDB FDB FDB FDB 3500P-S 3501P-S 3502P-S 3504P-S 3506P-S 50 100 200 400 600 Series Number Maximum DC Blocking Voltage UNITS Maximum RMS Voltage VRMS 35 70 140 280 420 Maximum Peak Recurrent Reverse Voltage VRRM 50 100 200 400 600 o Average Forward Rectified Current, TC = 50 C Peak Forward Surge Current (8.3mS single half sine wave superimposed on rated load) Maximum Forward Voltage, Per Diode, at 17.5 Amps DC Maximum Average DC Reverse Current at Rated DC Blocking Voltage Per Diode Maximum Reverse Recovery Time Typical Thermal Resistance, Junction to Case Operating and Storage Temperature Range IO 35 IFSM 400 VFM 1.25 VOLTS IRM 1.0 50 mA TRR 150 (Typ. 100) nS RqJC 1.2 °C/W TJ, TSTG -55 to +150 °C o @ TA = 25 C o @ TA = 125 C VOLTS NOTES: (1) Bolt bridge on heat sink with #8 screw, using silicon thermal compound between bridge and mounting surface AMPS 3.01 35dbp-s F1