47CTQ020-1

PD-20540 rev. E 10/99 47CTQ020 47CTQ020S 47CTQ020-1 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 Description/Features Units A V A V °C This center tap Schottky rectifier has been optimized for ultra low forward voltage drop specifically for 3.3V output power supplies. The proprietary barrier technology allows for reliable operation up to 150 °C junction temperature. Typical applications are in parallel switching power supplies, converters, reverse battery protection, and redundant power subsystems. Center tap configuration Optimized for 3.3V application Ultra low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance 150 °C TJ operation Values 40 20 1000 0.34 - 55 to 150 Case Styles 47CTQ020 47CTQ020S 47CTQ020-1 TO-220 D2PAK TO-262 www.irf.com 1 47CTQ020, 47CTQ020S, 47CTQ020-1 PD-20540 rev. E 10/99 Voltage Ratings Part number VR VR Max. DC Reverse Voltage (V) Max. DC Reverse Voltage (V) @ 125° C @ 150° C 47CTQ020, ..020S, ..020-1 20 10 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward (Per Device) Current (Per Leg) IFSM Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) EAS Non-Repetitive Avalanche Energy (Per Leg) IAR Repetitive Avalanche Current (Per Leg) 47CTQ Units 40 20 1000 250 18 3 A A mJ A Conditions 50% duty cycle @ T C = 135°C, rectangular wave form Following any rated 5µs Sine or 3µs Rect. pulse load condition and with 10ms Sine or 6ms Rect. pulse rated Vrrm applied TJ = 25 °C, IAS =3 Amps, L =3 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications VFM Parameters Max. Forward Voltage Drop (Per Leg) (1) 47CTQ Units 0.45 0.51 0.34 0.44 0.31 0.42 V V V V V V mA mA mA mA mA V mΩ pF nH V/ µs @ 20A @ 40A @ 20A @ 40A @ 20A @ 40A Conditions TJ = 25 °C TJ = 125 °C TJ = 150 °C VR = rated VR VR = 5V VR = 3.3V VR = 10V IRM Max. Reverse Leakage Current (Per Leg) (1) 3 310 60 45 306 TJ = 125 °C TJ = 125 °C TJ = 125 °C TJ = 150 °C TJ = 25 °C VF(TO) Threshold Voltage rt Forward Slope Resistance CT LS Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) 0.188 5.9 3000 5.5 10,000 TJ = TJ max. 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) Thermal-Mechanical Specifications Parameters TJ Max. Junction Temperature Range Max. Storage Temperature Range Tstg (1) Pulse Width < 300µs, Duty Cycle