Order this document by MURD620CT/D SEMICONDUCTOR TECHNICAL DATA DPAK Surface Mount Package . . . designed for use in switching power supplies, inverters and as free wheeling diodes, these state–of–the–art devices have the following features: MURD620CT is a Motorola Preferred Device • Ultrafast 35 Nanosecond Recovery Time • Low Forward Voltage Drop • Low Leakage Mechanical Characteristics: • Case: Epoxy, Molded • Weight: 0.4 gram (approximately) • Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable • Lead and Mounting Surface Temperature for Soldering Purposes: 260°C Max. for 10 Seconds • Shipped 75 units per plastic tube • Available in 16 mm Tape and Reel, 2500 units per reel, by adding a “T4’’ suffix to the part number • Marking: U620T ULTRAFAST RECTIFIERS 6 AMPERES 200 VOLTS 4 1 1 3 4 CASE 369A–13 PLASTIC 3 MAXIMUM RATINGS Rating Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Voltage (TC = 140°C, Rated VR) Per Diode Per Device Peak Repetitive Forward Current (Rated VR, Square Wave, 20 kHz, TC = 145°C) Per Diode Nonrepetitive Peak Surge Current (Surge applied at rated load conditions, halfwave, 60 Hz) Operating Junction and Storage Temperature Symbol Value Unit VRRM VRWM VR 200 Volts IF(AV) 3 6 Amps IF 6 Amps IFSM 50 Amps TJ, Tstg –65 to +175 °C RθJC RθJA 9 80 °C/W THERMAL CHARACTERISTICS PER DIODE Thermal Resistance, Junction to Case Junction to Ambient (1) ELECTRICAL CHARACTERISTICS PER DIODE Maximum Instantaneous Forward Voltage Drop (2) (iF = 3 Amps, TC = 25°C) (iF = 3 Amps, TC = 125°C) (iF = 6 Amps, TC = 25°C) (iF = 6 Amps, TC = 125°C) vF Maximum Instantaneous Reverse Current (2) (TJ = 25°C, Rated dc Voltage) (TJ = 125°C, Rated dc Voltage) iR Maximum Reverse Recovery Time (IF = 1 Amp, di/dt = 50 Amps/µs, VR = 30 V, TJ = 25°C) (IF = 0.5 Amp, iR = 1 Amp, IREC = 0.25 A, VR = 30 V, TJ = 25°C) trr Volts 1 0.96 1.2 1.13 µA 5 250 ns 35 25 (1) Rating applies when surface mounted on the minimum pad sizes recommended. (2) Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤ 2.0%. SWITCHMODE is a trademark of Motorola, Inc. Preferred devices are Motorola recommended choices for future use and best overall value. Rev 1 Device Rectifier Motorola, Inc. 1996 Data 1 MURD620CT 100 100 50 30 20 10 150°C 1.0 100°C 0.1 25°C 0.01 10 0.001 7.0 0 20 40 5.0 60 100 80 120 140 160 180 200 VR, REVERSE VOLTAGE (VOLTS) Figure 2. Typical Leakage Current* (Per Leg) 3.0 175°C * The curves shown are typical for the highest voltage device in the voltage grouping. Typical reverse current for lower voltage selections can be estimated from these curves if VR is sufficiently below rated VR. TJ = 25°C 2.0 150°C 100°C 1.0 0.7 0.5 0.3 0.2 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 vF, INSTANTANEOUS VOLTAGE (VOLTS) PF(AV) , AVERAGE POWER DISSIPATION (WATTS) i , INSTANTANEOUS FORWARD CURRENT (AMPS) F TJ = 175°C IR, REVERSE CURRENT (mA) 70 14 13 12 11 10 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 5.0 10 SINE WAVE IPK/IAV = 20 dc SQUARE WAVE TJ = 175°C 0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10 IF(AV), AVERAGE FORWARD CURRENT (AMPS) Figure 1. Typical Forward Voltage (Per Leg) 8.0 RATED VOLTAGE APPLIED RqJC = 9°C/W 7.0 6.0 TJ = 175°C 5.0 dc 4.0 SINE WAVE OR SQUARE WAVE 3.0 2.0 1.0 0 100 2 IF(AV) , AVERAGE FORWARD CURRENT (AMPS) IF(AV) , AVERAGE FORWARD CURRENT (AMPS) Figure 3. Average Power Dissipation (Per Leg) 110 120 130 140 150 160 170 180 4.0 RATED VOLTAGE APPLIED RqJA = 80°C/W 3.5 3.0 SURFACE MOUNTED ON MIN. PAD SIZE RECOMMENDED 2.5 2.0 dc TJ = 175°C 1.5 SINE WAVE OR SQUARE WAVE 1.0 0.5 0 0 20 40 60 80 100 120 140 160 180 200 TC, CASE TEMPERATURE (°C) TA, AMBIENT TEMPERATURE (°C) Figure 4. Current Derating, Case (Per Leg) Figure 5. Current Derating, Ambient (Per Leg) Rectifier Device Data MURD620CT C, CAPACITANCE (pF) 100 70 50 30 20 TJ = 25°C 10 7.0 5.0 3.0 2.0 1.0 0 10 20 30 40 50 60 70 80 90 100 VR, REVERSE VOLTAGE (VOLTS) Figure 6. Typical Capacitance (Per Leg) Rectifier Device Data 3 MURD620CT PACKAGE DIMENSIONS –T– C B V NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. SEATING PLANE E R 4 Z A S 1 2 3 U K F J L H D G 2 PL 0.13 (0.005) M DIM A B C D E F G H J K L R S U V Z INCHES MIN MAX 0.235 0.250 0.250 0.265 0.086 0.094 0.027 0.035 0.033 0.040 0.037 0.047 0.180 BSC 0.034 0.040 0.018 0.023 0.102 0.114 0.090 BSC 0.175 0.215 0.020 0.050 0.020 ––– 0.030 0.050 0.138 ––– MILLIMETERS MIN MAX 5.97 6.35 6.35 6.73 2.19 2.38 0.69 0.88 0.84 1.01 0.94 1.19 4.58 BSC 0.87 1.01 0.46 0.58 2.60 2.89 2.29 BSC 4.45 5.46 0.51 1.27 0.51 ––– 0.77 1.27 3.51 ––– T CASE 369A–13 ISSUE Y Motorola reserves the right to make changes without further notice to any products herein. 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