PD-2.320 rev. A 12/97 MBR2035CT MBR2045CT SCHOTTKY RECTIFIER 20 Amp Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform Description/Features MBR20..CT Units The MBR20..CT center tap Schottky rectifier has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 150 C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 20 A VRRM 35/45 V 150 C TJ operation IFSM @ tp = 5 s sine 1060 A Center tap TO-220 package Low forward voltage drop VF 0.57 V High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance - 65 to 150 C High frequency operation Guard ring for enhanced ruggedness and long term reliability @ 10 Apk, TJ = 125C TJ CASE STYLE AND DIMENSIONS Conforms to JEDEC Outline TO-220AB Dimensions in millimeters and inches www.irf.com 1 MBR2035CT, MBR2045CT PD-2.320 rev. A 12/97 Voltage Ratings Part number VR MBR2035CT MBR2045CT Max. DC Reverse Voltage (V) 35 VRWM Max. Working Peak Reverse Voltage (V) 45 Absolute Maximum Ratings Parameters MBR20..CT Units IF(AV) Max. Average Forward Current IFSM Max. Peak One Cycle Non Repetitive 20 Conditions A @ T C= 135C, (Rated VR) A Following any rated load 5s Sine or 3s Rect. pulse condition and with rated VRRM applied 1060 Surge Surge applied at rated load condition halfwave single phase 60Hz 150 IRRM PeakRepetitiveReverseSurgeCurrent 1.0 A 2.0 sec 1.0 KHz Electrical Specifications Parameters VFM MBR20..CT Units Max. Forward Voltage Drop (1) IRM Max. Instantaneus Reverse Current (1) CT Max. Junction Capacitance LS Typical Series Inductance TJ = 25 C V @ 20A 0.57 V @ 10A 0.72 V @ 20A 0.1 mA TJ = 25 C 15 mA TJ = 125 C 900 8.0 dv/dt Max. Voltage Rate of Change (Rated VR) Conditions 0.84 1000 TJ = 125 C Rated DC voltage pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C nH Measured from top of terminal to mounting plane V/ s (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters MBR20..CT Units TJ Max. Junction Temperature Range -65 to 150 Tstg Max. Storage Temperature Range -65 to 175 Conditions C C RthJC Max. Thermal Resistance Junction to Case 2.0 C/W DCoperation RthCS Typical Thermal Resistance, Case to Heatsink 0.50 C/W Mounting surface, smooth and greased wt Approximate Weight T Mounting Torque Case Style 2 (0.07) g (oz.) Min. 6 (5) Max. 12 (10) Kg-cm (Ibf-in) TO-220AB JEDEC * For Additional Informations and Graphs, Please See the 20CTQ Series 2 www.irf.com