MBR735, MBR745 SWITCHMODE™ Power Rectifiers Features and Benefits • • • • • Low Forward Voltage Low Power Loss/High Efficiency High Surge Capacity 175°C Operating Junction Temperature Pb−Free Packages are Available* http://onsemi.com SCHOTTKY BARRIER RECTIFIERS 7.5 AMPERES 35 and 45 VOLTS Applications • Power Supply − Output Rectification • Power Management • Instrumentation 3 1, 4 Mechanical Characteristics • • • • • • Case: Epoxy, Molded Epoxy Meets UL 94, V−0 @ 0.125 in Weight: 1.9 Grams (Approximately) Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable Lead Temperatures for Soldering Purposes: 260°C Max. for 10 Seconds ESD Rating: Human Body Model 3B Machine Model C MARKING DIAGRAM 4 TO−220AC CASE 221B STYLE 1 AY WWG B7x5 KA 1 3 A Y WW B7x5 x KA G = Assembly Location = Year = Work Week = Device Code = 3 or 4 = Diode A Polarity = Pb−Free Package ORDERING INFORMATION Device MBR735 MBR735G MBR745 MBR745G Package Shipping TO−220 50 Units/Rail TO−220 (Pb−Free) 50 Units/Rail TO−220 50 Units/Rail TO−220 (Pb−Free) 50 Units/Rail *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2009 March, 2009 − Rev. 8 1 Publication Order Number: MBR735/D MBR735, MBR745 MAXIMUM RATINGS Rating Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Symbol MBR735 MBR745 Average Rectified Forward Current (TC = 164°C) Value VRRM VRWM VR Per Device Unit V 35 45 IF(AV) A 7.5 Peak Repetitive Forward Current, (Square Wave, 20 kHz, TC = 168°C) IFRM 7.5 A Non−Repetitive Peak Surge Current (Surge Applied at Rated Load Conditions Halfwave, Single Phase, 60 Hz) IFSM 150 A Peak Repetitive Reverse Surge Current (2.0 ms, 1.0 kHz) IRRM 1.0 A Storage Temperature Range Tstg −65 to +175 °C Operating Junction Temperature (Note 1) TJ −65 to +175 °C dv/dt 10,000 V/ms Voltage Rate of Change (Rated VR) Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. The heat generated must be less than the thermal conductivity from Junction−to−Ambient: dPD/dTJ < 1/RqJA. THERMAL CHARACTERISTICS Symbol Value Unit Maximum Thermal Resistance, Junction−to−Case Characteristic RqJC 3.0 °C/W Maximum Thermal Resistance, Junction−to−Ambient RqJA 60 °C/W ELECTRICAL CHARACTERISTICS Characteristic Symbol Maximum Instantaneous Forward Voltage (Note 2) (iF = 7.5 Amps, TJ = 125°C) (iF = 15 Amps, TJ = 125°C) (iF = 15 Amps, TJ = 25°C) vF Maximum Instantaneous Reverse Current (Note 2) (Rated dc Voltage, TJ = 125°C) (Rated dc Voltage, TJ = 25°C) iR 2. Pulse Test: Pulse Width = 300 ms, Duty Cycle ≤ 2.0%. http://onsemi.com 2 Min Typ Max − − − 0.48 0.61 0.68 0.57 0.72 0.84 − − 10 0.03 15 0.1 Unit V mA MBR735, MBR745 10 IF, INSTANTANEOUS FORWARD CURRENT (A) 100 TJ = 25°C 100°C 1 175°C 125°C 150°C 0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 TJ = 25°C 10 100°C 125°C 175°C 1 150°C 0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 VF, INSTANTANEOUS FORWARD VOLTAGE (V) VF, INSTANTANEOUS FORWARD VOLTAGE (V) Figure 1. Typical Forward Voltage Figure 2. Maximum Forward Voltage 100 IR, REVERSE CURRENT (mA) IF, INSTANTANEOUS FORWARD CURRENT (A) 100 TJ = 150°C 10 125°C 100°C 1.0 75°C 0.1 0.01 0.001 25°C 0 10 20 30 40 VR, REVERSE VOLTAGE (V) Figure 3. Typical Reverse Current http://onsemi.com 3 50 MBR735, MBR745 14 dc 12 IF(AV), AVERAGE FORWARD CURRENT (A) IF(AV), AVERAGE FORWARD CURRENT (A) 14 10 SQUARE 8 6 4 2 12 10 8 145 150 155 160 165 170 175 dc 6 4 SQUARE WAVE 2 0 0 140 180 0 25 50 TC, CASE TEMPERATURE (°C) 100 125 150 175 Figure 5. Current Derating, Ambient, Per Leg 1000 TJ = 25°C TJ = 25°C f = 1 MHz 900 C, CAPACITANCE (nF) PF(AV), AVERAGE POWER DISSIPATION (W) 75 TA, AMBIENT TEMPERATURE (°C) Figure 4. Current Derating, Case, Per Leg 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 RqJA = 16°C/W RqJA = 60°C/W (No Heat Sink) dc SQUARE WAVE dc 800 700 600 500 400 300 200 100 0 2 4 6 8 0 10 12 14 16 18 20 22 24 26 28 30 0 10 20 30 40 IF(AV), AVERAGE FORWARD CURRENT (A) VR, REVERSE VOLTAGE (V) Figure 6. Forward Power Dissipation Figure 7. Typical Capacitance http://onsemi.com 4 50 MBR735, MBR745 PACKAGE DIMENSIONS TO−220 PLASTIC CASE 221B−04 ISSUE E C B Q F S T DIM A B C D F G H J K L Q R S T U 4 A 1 3 U H K L R D G NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. J INCHES MIN MAX 0.595 0.620 0.380 0.405 0.160 0.190 0.025 0.035 0.142 0.161 0.190 0.210 0.110 0.130 0.014 0.025 0.500 0.562 0.045 0.060 0.100 0.120 0.080 0.110 0.045 0.055 0.235 0.255 0.000 0.050 STYLE 1: PIN 1. 2. 3. 4. MILLIMETERS MIN MAX 15.11 15.75 9.65 10.29 4.06 4.82 0.64 0.89 3.61 4.09 4.83 5.33 2.79 3.30 0.36 0.64 12.70 14.27 1.14 1.52 2.54 3.04 2.04 2.79 1.14 1.39 5.97 6.48 0.000 1.27 CATHODE N/A ANODE CATHODE SWITCHMODE is a trademark of Semiconductor Components Industries, LLC. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. 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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