MBRF20200CT Preferred Device SWITCHMODE Schottky Power Rectifier The SWITCHMODE Power Rectifier employs the Schottky Barrier principle in a large area metal-to-silicon power diode. State-of-the-art geometry features epitaxial construction with oxide passivation and metal overlay contact. Ideally suited for use as rectifiers in very low-voltage, high-frequency switching power supplies, free wheeling diodes and polarity protection diodes. * * * * * * * * * * Highly Stable Oxide Passivated Junction Very Low Forward Voltage Drop Matched Dual Die Construction High Junction Temperature Capability High dv/dt Capability Excellent Ability to Withstand Reverse Avalanche Energy Transients Guardring for Stress Protection Epoxy Meets UL94, VO at 1/8 Electrically Isolated. No Isolation Hardware Required. UL Recognized File #E69369 http://onsemi.com SCHOTTKY BARRIER RECTIFIER 20 AMPERES 200 VOLTS 1 2 3 Mechanical Characteristics * Case: Epoxy, Molded * Weight: 1.9 grams (approximately) * Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable 1 * Lead Temperature for Soldering Purposes: * * 260C Max. for 10 Seconds Shipped 50 units per plastic tube Marking: B20200 2 3 ISOLATED TO-220 CASE 221D STYLE 3 MARKING DIAGRAM MAXIMUM RATINGS Please See the Table on the Following Page B20200 B20200 = Device Code ORDERING INFORMATION Device Package Shipping MBRF20200CT TO-220 50 Units/Rail Preferred devices are recommended choices for future use and best overall value. Semiconductor Components Industries, LLC, 2000 October, 2000 - Rev. 2 1 Publication Order Number: MBRF20200CT/D MBRF20200CT MAXIMUM RATINGS (Per Leg) Symbol Value Unit VRRM VRWM VR 200 Volts IF(AV) 10 20 Amps Peak Repetitive Forward Current, Per Leg (Rated VR, Square Wave, 20 kHz) TC = 90C IFRM 20 Amps Nonrepetitive Peak Surge Current (Surge applied at rated load conditions halfwave, single phase, 60 Hz) IFSM 150 Amps Peak Repetitive Reverse Surge Current (2.0 s, 1.0 kHz) IRRM 1.0 Amp TJ, Tstg -65 to +150 C dv/dt 10,000 V/s RJC 3.5 C/W Symbol Max Unit Rating Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Current (Rated VR) TC = 125C Per Leg Per Package Operating Junction Temperature and Storage Temperature Voltage Rate of Change (Rated VR) THERMAL CHARACTERISTICS (Per Leg) Thermal Resistance -- Junction to Case ELECTRICAL CHARACTERISTICS (Per Leg) Rating Maximum Instantaneous Forward Voltage (Note 1.) (iF = 10 Amp, TC = 25C) (iF = 10 Amp, TC = 125C) (iF = 20 Amp, TC = 25C) (iF = 20 Amp, TC = 125C) vF Maximum Instantaneous Reverse Current (Note 1.) (Rated dc Voltage, TC = 25C) (Rated dc Voltage, TC = 125C) iR Volts 0.9 0.8 1.0 0.9 mA 1.0 50 DYNAMIC CHARACTERISTICS (Per Leg) Capacitance (VR = -5.0 V, TC = 25C, Freq. = 1.0 MHz) CT 500 pF 1. Pulse Test: Pulse Width = 300 s, Duty Cycle 2.0% 100 10,000 70 IR , REVERSE CURRENT ( A) IF, INSTANEOUS FORWARD CURRENT (AMP) 50 TJ = 150C 20 TJ = 125C 10 7 TJ = 100C 5 TJ = 125C 100 TJ = 100C 10 1 0.1 TJ = 25C 0.01 0 TJ = 25C 2 1 TJ = 150C 1,000 20 40 60 80 100 120 140 160 180 200 VR, REVERSE CURRENT (VOLTS) Figure 2. Typical Reverse Current (Per Leg) 0.2 0.4 0.6 0.8 vF, INSTANTANEOUS VOLTAGE (VOLTS) 1 Figure 1. Typical Forward Voltage (Per Leg) http://onsemi.com 2 MBRF20200CT TEST CONDITIONS FOR ISOLATION TESTS* CLIP MOUNTED FULLY ISOLATED PACKAGE CLIP MOUNTED FULLY ISOLATED PACKAGE LEADS HEATSINK 0.107 MIN MOUNTED FULLY ISOLATED PACKAGE 0.107 MIN LEADS LEADS HEATSINK HEATSINK 0.110 MIN Figure 3. Clip Mounting Position for Isolation Test Number 1 Figure 4. Clip Mounting Position for Isolation Test Number 2 Figure 5. Screw Mounting Position for Isolation Test Number 3 * Measurement made between leads and heatsink with all leads shorted together. MOUNTING INFORMATION** 4-40 SCREW CLIP PLAIN WASHER HEATSINK COMPRESSION WASHER HEATSINK NUT 6a. Screw-Mounted 6b. Clip-Mounted Figure 6. Typical Mounting Techniques Laboratory tests on a limited number of samples indicate, when using the screw and compression washer mounting technique, a screw torque of 6 to 8 in . lbs is sufficient to provide maximum power dissipation capability. The compression washer helps to maintain a constant pressure on the package over time and during large temperature excursions. Destructive laboratory tests show that using a hex head 4-40 screw, without washers, and applying a torque in excess of 20 in . lbs will cause the plastic to crack around the mounting hole, resulting in a loss of isolation capability. Additional tests on slotted 4-40 screws indicate that the screw slot fails between 15 to 20 in . lbs without adversely affecting the package. However, in order to positively ensure the package integrity of the fully isolated device, ON Semiconductor does not recommend exceeding 10 in . lbs of mounting torque under any mounting conditions. **For more information about mounting power semiconductors see Application Note AN1040. http://onsemi.com 3 MBRF20200CT PACKAGE DIMENSIONS TO-220 FULLPAK CASE 221D-02 ISSUE D -T- -B- F NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. SEATING PLANE C S Q DIM A B C D F G H J K L N Q R S U U A 1 2 3 H -Y- K G N L D J R 3 PL 0.25 (0.010) M B M INCHES MIN MAX 0.621 0.629 0.394 0.402 0.181 0.189 0.026 0.034 0.121 0.129 0.100 BSC 0.123 0.129 0.018 0.025 0.500 0.562 0.045 0.060 0.200 BSC 0.126 0.134 0.107 0.111 0.096 0.104 0.259 0.267 MILLIMETERS MIN MAX 15.78 15.97 10.01 10.21 4.60 4.80 0.67 0.86 3.08 3.27 2.54 BSC 3.13 3.27 0.46 0.64 12.70 14.27 1.14 1.52 5.08 BSC 3.21 3.40 2.72 2.81 2.44 2.64 6.58 6.78 STYLE 3: PIN 1. ANODE 2. CATHODE 3. ANODE Y SWITCHMODE is a trademark of Semiconductor Components Industries, LLC. ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. 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SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. 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