High-reliability discrete products and engineering services since 1977 MBR4045PT 40 A SCHOTTKY RECTIFIER FEATURES Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Symbol MBR4045PT Unit Peak repetitive reverse voltage Working peak reverse voltage DC blocking voltage Rating VRRM VRWM VR 45 V Average rectified forward current (Rated VR) IF(AV) 40 @ TC = 125°C A Peak repetitive forward current (Rated VR, square wave, 20 kHz) IFRM 40 @ TC = 90°C A Peak repetitive reverse surge current (2.0µs, 1.0 kHz) IRRM 2 A Non-repetitive peak surge current (surge applied at rated load conditions, halfwave, single phase, 60Hz) IFSM A 400 Operating junction temperature range (1) TJ -65 to +175 °C Storage junction temperature range Tstg -65 to +175 °C Peak surge junction temperature (forward current applied) TJ(pk) 175 °C Voltage rate of change (Rated VR) dv/dt 10000 V/µs RӨJC RӨJA 1.4 55 °C/W Maximum thermal resistance Junction to case Junction to ambient ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Parameter Symbol Instantaneous forward voltage (2) (IF = 20A, TC = 25°C) (IF = 20A, TC = 125°C) (IF = 40A, TC = 25°C) (IF = 40A, TC = 125°C) VF Instantaneous reverse current (2) (Rated dc voltage, TC = 25°C) (Rated dc voltage, TC = 100°C) IR MBR4045PT Unit Typical Maximum 0.53 0.46 0.64 0.62 0.70 0.60 0.80 0.75 0.09 30 1.0 50 Note 1: The heat generated must be less than the thermal conductivity from junction-to-ambient: dPD/dTJ < 1/RӨJA. Note 2: Pulse test: Pulse width = 300µs, duty cycle ≤ 2.0%. Rev. 20121205 V mA High-reliability discrete products and engineering services since 1977 MBR4045PT 40 A SCHOTTKY RECTIFIER MECHANICAL CHARACTERISTICS Case TO-218AC Marking Alpha-numeric Pin out See below Rev. 20121205 High-reliability discrete products and engineering services since 1977 MBR4045PT 40 A SCHOTTKY RECTIFIER Rev. 20121205