SM4933 THRU SM4937 SURFACE MOUNT GLASS PASSIVATED FAST RECOVERY SILICON RECTIFIERS Reverse Voltage - 50 to 600 V Forward Current - 1 A Features • Fast switching • Glass passivated device • Ideal for surface mounted applications • Low leakage current • Metallurgically bonded construction Cathode Mark 2.7 2.4 0.4 5.2 4.8 Mechanical Data • Case: MELF (DO-213AB) molded plastic • Mounting position: Any Plastic case MELF (DO-213AB) Dimensions in mm Absolute Maximum Ratings and Characteristics Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz. resistive or inductive load. For capacitive load, derate current by 20%. Parameter Symbols SM4933 SM4934 SM4935 SM4936 SM4937 Units Maximum Repetitive Peak Reverse Voltage VRRM 50 100 200 400 600 V Maximum RMS Voltage VRMS 35 70 140 280 420 V VDC 50 100 200 400 600 V Maximum DC Blocking Voltage Maximum Average Forward Rectified Current (at TA = 55 C ) IF(AV) 1 A Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) IFSM 30 A VF 1.2 V O Maximum Forward Voltage at 1 A Maximum Average Reverse Current at Rated DC Blocking Voltage at TA = 25 C O at TA = 125 OC IR 5 µA 100 Maximum Reverse Recovery Time 4) trr 200 ns Typical Junction Capacitance 1) CJ 15 pF Maximum Thermal Resistance Operating and Storage Temperature Range 2) RθJA RθJL 30 75 3) Tj ,Tstg - 65 to + 175 1) Measured at 1 MHz and applied reverse voltage of 4 V DC. 2) Thermal resistance junction to terminal 6 mm copper pads to each terminal. 3) Thermal resistance from junction to ambient 6 mm copper pads to each terminal. 4) Test conditions: IF = 1 A, VR = 30 V. C/W O C O 2 2 SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 23/12/2008 SM4933 THRU SM4937 SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 23/12/2008