40CPQ035

Bulletin PD-2.307 rev. B 12/01 40CPQ035 40CPQ040 40CPQ045 SCHOTTKY RECTIFIER 40 Amp Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 µs sine VF TJ @ 20 Apk, TJ=125°C (per leg) Description/Features Units A V A V The 40CPQ... center tap Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. 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. 150° C TJ operation Center tap TO-247 package High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability 40CPQ... 40 35/40/45 3500 0.43 - 55 to 150 °C Case Styles 40CPQ045 Base Common Cathode 2 1 3 2 Anode 1 Anode 2 Common Cathode TO-247AC www.irf.com 1 40CPQ035, 40CPQ040, 40CPQ045 Bulletin PD-2.307 rev. B 12/01 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 40CPQ035 35 40CPQ040 40 40CPQ045 45 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) 3500 430 27 4 A mJ A 5µs Sine or 3µs Rect. pulse Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 40CPQ... Units 40 A Conditions 50% duty cycle @ TC = 120 °C, rectangular wave form TJ = 25 °C, IAS = 4 Amps, L = 3.4 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) 40CPQ... Units 0.49 0.59 0.43 0.56 4 150 1850 7.5 10000 V V V V mA mA pF nH V/ µs @ 20A @ 40A @ 20A @ 40A Conditions TJ = 25 °C TJ = 125 °C VR = rated VR IRM CT LS Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1) Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) TJ = 25 °C TJ = 125 °C VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C Measured lead to lead 5mm from package body dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300µs, Duty Cycle