MBR25xxCT, MBRF25xxCT & MBRB25xxCT Series Reverse Voltage 35 to 60 Volts Dual Schottky Barrier Rectifiers Forward Current 25.0 Amperes Features Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Dual rectifier construction, positive center tap Metal silicon junction, majority carrier conduction Low power loss, high efficiency Guardring for overvoltage protection For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications High temperature soldering guaranteed: 250°C/10 seconds, 0.25" (6.35mm) from case Rated for reverse surge and ESD Mechanical Data Case: JEDEC TO-220AB, ITO-220AB molded plastic body Terminals: Plated leads, solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting Position: Any Mounting Torque: 10 in-lbs maximum Weight: 0.08 ounce, 2.24 grams ITO-220AB TO-220AB TO-263AB(D2PAK) Mounting Pad Layout TO-263AB Dimensions in inches and (millimeters) 387 Maximum Ratings and Electrical Characteristics ( TC = 25oC unless otherwise noted ) Parameter Symbol MBR2535CT MBR2545CT MBR2550CT MBR2560CT Unit Maximum repetitive peak reverse voltage VRRM 35 45 50 60 Volts Working peak reverse voltage VRWM 35 45 50 60 Volts V DC 35 45 50 60 Volts Maximum DC blocking voltage Maximum average forward rectified current at TC=130oC IF(AV) 25 12.5 Peak repetitive forward current per leg (rated VR, sq. wave, 20KHz) at TC=130oC IFRM 30 Amps Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) per leg IFSM 150 Amps Total device Per leg Peak repetitive reverse surge current per leg at tp = 2.0us, 1KHz Voltage rate of change (rated VR) IRRM 1.0 dv/dt 0.5 10,000 Amps Amp V/us Maximum instantaneous forward voltage per leg (Note 4) at IF=12.5A, TC=25oC - 0.75 - 0.65 at IF=25A, TC=25oC 0.82 - at IF=25A, TC=125oC 0.73 - TC=25oC 0.2 1.0 40 50 at IF=12.5A, TC=125oC Maximum instantaneous reverse current at rated DC blocking voltage per leg (Note 4) TC=125oC Typical thermal resistance from junction to case per leg RMS Isolation voltage (MBRF type only) from terminals to heatsink with t = 1.0 second, RH < 30% Operating junction temperature range Storage temperature range Notes: VF Volt IR mA o RθJC MBR 1.5 / MBRF 4.5 / MBRB 1.5 VISOL 4500 (Note 1) 3500 (Note 2) 1500 (Note 3) TJ -55 to +150 o C -55 to +150 o C TSTG 1. Clip mounting (on case), where lead does not overlap heatsink with 0.110" offset 2. Clip mounting (on case), where leads do overlap heatsink 3. Screw mounting with 4-40 screw, where washer diameter is < 4.9 mm (0.19") 4. Pulse test: 300us pulse width, 1% duty cycle 388 C/W Volts RATINGS AND CHARACTERISTIC CURVES ( TA = 25oC unless otherwise noted ) 389