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| Bulletin PD-20854 rev. A 02/07 47CTQ020PBF SCHOTTKY RECTIFIER 40 Amp IF(AV) = 40Amp VR = 20V Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s 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. 150 C TJ operation Values 40 20 1000 0.34 - 55 to 150 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 Lead-Free ("PbF" suffix) Case Styles Base Common Cathode 2 1 Anode 2 Common Cathode 3 Anode TO-220 www.irf.com 1 47CTQ020PBF Bulletin PD-20854 rev. A 02/07 Voltage Ratings Part number VR VR Max. DC Reverse Voltage (V) Max. DC Reverse Voltage (V) @ 125 C @ 150 C 47CTQ020PBF 20 10 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward (Per Device) Current (Per Leg) IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) 47CTQ Units 40 20 1000 250 18 3 A A mJ A Conditions 50% duty cycle @ TC = 135C, rectangular wave form 5s Sine or 3s Rect. pulse Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied TJ = 25 C, I AS = 3 Amps, L =3 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM 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 m pF nH @ 20A @ 40A @ 20A @ 40A @ 20A @ 40A TJ = 25 C TJ = 125 C TJ = 125 C TJ = 125 C TJ = 150 C TJ = T J max. 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 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 10000 VR = 5VDC (test signal range 100Khz to 1Mhz) 25C Measured lead to lead 5mm from package body dv/dt Max. Voltage Rate of Change V/ s (Rated VR) (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range 47CTQ -55 to 150 -55 to 150 1.5 0.75 0.50 2 (0.07) Min. Max. 6 (5) 12 (10) Units C C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink wt T Approximate Weight Mounting Torque Marking Device C/W DC operation C/W DC operation C/W Mounting surface , smooth and greased g (oz.) Kg-cm (Ibf-in) 47CTQ020 2 www.irf.com 47CTQ020PBF Bulletin PD-20854 rev. A 02/07 1000 1000 TJ = 150C R everse Current - IR (mA) 100 125C 100C 75C 1 50C 25C 10 Instantaneous Forward Current - IF (A) 100 0.1 0.01 0 4 8 12 16 20 R everse Voltage - VR (V) T = 150C J T = 125C J Junction Capa citance - C T (pF ) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 10000 T = 25C J 10 TJ = 25C 1 1000 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 2 4 6 8 10 12 14 16 18 20 22 F orward Voltage Drop - V FM (V) R everse Voltage - VR (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) 10 T hermal Impedance Z thJC (C/ W) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 P DM 0.1 Notes: S ingle Pulse (T hermal Resistanc e) 0.01 0.00001 0.0001 0.001 0.01 0.1 t1 t2 1. Duty factor D = t 1/ t 2 2. Peak T = PDM x Z thJC+ TC J 1 10 100 t 1 , Rec tangular Pulse Duration (S onds) ec Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 47CTQ020PBF Bulletin PD-20854 rev. A 02/07 160 Allowable Case T emperature - (C) 12 Average Power Loss - (Watts) 10 8 6 4 2 0 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 R Limit MS DC 150 DC 140 130 120 110 100 see note (2) S quare wave (D = 0.50) 10V applied 90 0 5 10 15 20 25 30 0 5 10 15 20 25 30 Average Forward Current - I F(AV) (A) Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Non-R epetitive S urge Current - I FS (A) M 1000 Fig. 6 - Forward Power Loss Characteristics (Per Leg) At Any R ted Load Condition a And With R ated VRRM Applied Following S urge 100 10 100 1000 10000 S quare Wave Pulse Duration - t p (microsec) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) L HIGH-S PEED S CH WIT FREE-WHEEL DIODE 40HF L40S 02 + DUT IR P460 F R = 25 ohm g Vd = 25 Volt CURRENT MONIT OR Fig. 8 - Unclamped Inductive Test Circuit (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = V R1 x IR (1 - D); IR @ VR1 = 10 V 4 www.irf.com 47CTQ020PBF Bulletin PD-20854 rev. A 02/07 Outline Table Conform to JEDEC outline TO-220AB Part Marking Information IRXC Assembly Line - SubCon Assembly Line EXAMPLE: THIS IS A 47CTQ020 LOT CODE 1789 ASSEMBLED ON WW 19, 2001 IN THE ASSEMBLY LINE "C" PART NUMBER INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE DATE CODE P = LEAD-FREE YEAR 1 = 2001 WEEK 19 LINE C IRMX Assembly Line EXAMPLE: THIS IS A 47CTQ020 LOT CODE 1789 ASSEMBLED ON WW 19, 2001 INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE PART NUMBER DATE CODE YEAR 1 = 2001 WEEK 19 P = LEAD-FREE www.irf.com 5 47CTQ020PBF Bulletin PD-20854 rev. A 02/07 Ordering Information Table Device Code 47 1 C 2 T 3 Q 4 020 PbF 5 6 1 2 3 4 5 6 - Current Rating (40A) Circuit Configuration C = Common Cathode Package T = TO-220 Schottky "Q" Series Voltage Rating (020 = 20A) none = Standard Production PbF = Lead-Free Tube Standard Pack Quantity : 50 pieces Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level and Lead-Free. Qualification Standards can be found on IR's Web site. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 02/07 6 www.irf.com |
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