PD-20540 rev. E 10/99 47CTQ020 47CTQ020S 47CTQ020-1 SCHOTTKY RECTIFIER 40 Amp Description/Features Major Ratings and Characteristics Characteristics Values Units IF(AV) Rectangular waveform 40 A VRRM 20 V IFSM @ tp = 5 µs sine 1000 A VF 0.34 V - 55 to 150 °C @ 20 Apk, TJ = 125 °C TJ 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 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 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 47CTQ020, ..020S, ..020-1 VR Max. DC Reverse Voltage (V) @ 125° C 20 VR Max. DC Reverse Voltage (V) @ 150° C 10 Absolute Maximum Ratings Parameters 47CTQ Units 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) 40 20 1000 250 18 A mJ 3 A 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 IRM Parameters 47CTQ Units Max. Forward Voltage Drop (Per Leg) (1) Max. Reverse Leakage Current (Per Leg) (1) VF(TO) Threshold Voltage rt Forward Slope Resistance V V V @ 20A @ 40A @ 20A 0.44 V @ 40A 0.31 V @ 20A 0.42 V @ 40A 3 mA 310 mA TJ = 125 °C VR = rated VR 60 mA TJ = 125 °C VR = 5V TJ = 125 °C TJ = 150 °C VR = 3.3V VR = 10V TJ = 25 °C TJ = 125 °C TJ = 150 °C TJ = 25 °C 45 mA 306 mA 0.188 5.9 V mΩ TJ = TJ max. CT Max. Junction Capacitance (Per Leg) 3000 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C LS Typical Series Inductance (Per Leg) 5.5 nH Measured lead to lead 5mm from package body 10,000 V/ µs dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications TJ Tstg 2 Conditions 0.45 0.51 0.34 Parameters 47CTQ Units Max. Junction Temperature Range -55 to 150 °C Max. Storage Temperature Range -55 to 150 °C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) 1.5 °C/W DC operation RthJC Max. Thermal Resistance Junction to Case (Per Package) 0.75 °C/W DC operation RthCS Typical Thermal Resistance, Case to Heatsink 0.50 °C/W Mounting surface , smooth and greased (only for TO-220) wt Approximate Weight T Mounting Torque 2 (0.07) g (oz.) Min. 6 (5) Max. 12 (10) Kg-cm (Ibf-in) www.irf.com 47CTQ020, 47CTQ020S, 47CTQ020-1 PD-20540 rev. E 10/99 10 00 100 0 T = 150°C 125°C Reve rse C urr ent - I 10 0 100°C 10 75°C 1 50°C 25°C 0.1 0. 01 0 4 8 12 16 20 Re ve rse Vo ltage - VR ( V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) T J = 150°C T J = 125°C 10 000 ( pF) T J = 25°C T = 25°C T 10 Junc tio n Capacitan ce - C Instantan eo us Forward C urrent - I F (A ) R (m A ) J 100 J 1 000 1 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 2 2 Fo rw ard Vo ltage Dro p - V F M (V) Reverse Voltage - VR (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Th erm al Im pedance Z thJC (°C /W) 10 1 D D D D D = = = = = 0.75 0.50 0.33 0.25 0.2 0 PD M t1 0.1 Notes: Single P u lse (The rm al Re sista nc e) 0.01 0.00001 0.0001 0.001 0.01 t2 1. Duty factor D = t 1/ t 2 2. Peak TJ = PD M x Z th JC+ T C 0.1 1 10 100 t 1 , Re ctang ular P ulse Duratio n (Se co nds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 47CTQ020, 47CTQ020S, 47CTQ020-1 PD-20540 rev. E 10/99 12 15 0 A verage Pow er Loss - (W atts) A llowable C ase Te m perature - (°C ) 16 0 DC 14 0 13 0 12 0 Square wave (D = 0.50) 10V applied 11 0 10 0 D D D D D 10 8 = = = = = 0.20 0.25 0.33 0.50 0.75 RM S Lim it 6 DC 4 2 s ee n ote (2) 90 0 0 5 10 15 20 25 30 0 A ve rage Fo rward C urrent - I F(AV ) (A) 5 10 15 20 25 30 A ve rage Fo rward C urre nt - I F(AV ) (A ) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Fig. 6 - Forward Power Loss Characteristics (Per Leg) Non -Repe titive Surge C urre nt - I FSM (A ) 100 0 A t A ny Rated Lo ad C onditio n A nd W ith Rated V R R M Applied Fo llowing Surge 10 0 10 10 0 1000 10 000 Square Wave P ulse D uration - t p (m icrose c) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) L IRFP460 DUT Rg = 25 ohm C URRENT M ON ITO R HIG H-SPEED SWITC H FREE-WHEEL DIO DE + V d = 25 V olt 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (I F(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 10 V 4 www.irf.com 47CTQ020, 47CTQ020S, 47CTQ020-1 PD-20540 rev. E 10/99 Ordering Information Table Device Code 47 C T Q 020 -1 1 2 3 4 5 6 1 - Essential Part Number 2 - C = Common Cathode 3 - T = TO-220 4 - Q = Schottky Q Series 5 - Voltage Rating 020 = 20V 6 - -1 = TO-262 S = D2Pak Outline Table 10.54 (0.41) MAX. 1.32 (0.05) 3.78 (0.15) 3.54 (0.14) 2.92 (0.11) 2.54 (0.10) TERM 2 15.24 (0.60) 14.84 (0.58) 1.22 (0.05) DIA. 6.48 (0.25) 6.23 (0.24) 1 2 3 14.09 (0.55) 3.96 (0.16) 13.47 (0.53) 3.55 (0.14) 2° 0.10 (0.004) 2.04 (0.080) MAX. 1.40 (0.05) BASE COMMON CA THODE 2.89 (0.11) 1.15 (0.04) 0.94 (0.04) 2 2.64 (0.10) 0.69 (0.03) 1 1 2 3 0.61 (0.02) MAX. 2 3 ANODE COMMON ANODE CA THODE 1 2 4.57 (0.18) 4.32 (0.17) 5.08 (0.20) REF. www.irf.com Conform to JEDEC outline TO-220AB Dimensions in millimeters and (inches) 5 47CTQ020, 47CTQ020S, 47CTQ020-1 PD-20540 rev. E 10/99 Outline Table 4 . 6 9 ( 0 . 1 8) 4 .2 0 ( 0 .1 6 ) 1 0 .1 6 ( 0 .4 0 ) REF. 1 .3 2 ( 0 .0 5) 1 .2 2 ( 0 .0 5) 6 . 4 7 (0 . 2 5) 1 5 . 49 (0 . 61 ) 93° 6 .1 8 (0 .2 4 ) 1 4 . 73 (0 . 58 ) 5 . 2 8 (0 . 2 1) 2 .6 1 ( 0 .1 0 ) 4 . 7 8 (0 . 1 9) 2 .3 2 ( 0 .0 9 ) 0 .5 5 (0 .0 2 ) 8 .8 9 ( 0 .3 5 ) REF. 1 .4 0 (0 .0 5 5 ) 3X BASE COMMON CATHODE 1 .1 4 (0 .0 4 5 ) 0 .4 6 (0 .0 2 ) 0 . 9 3 (0 .3 7) 2X M IN IM U M R E C O M M E N D E D F OO T P R IN T 0 .6 9 ( 0 .2 7 ) 1 1 .43 ( 0 .4 5 ) 2 1 1 2 3 4 .5 7 (0 .1 8) 3 8 .8 9 ( 0 . 3 5) 4 . 3 2 (0 . 1 7) ANODE COMMON ANODE CATHODE 1 2 1 7 .7 8 ( 0.7 0 ) 2 0 . 6 1 (0 . 0 2 ) M AX . 5 .0 8 (0 .2 0 ) R EF . 3 .8 1 (0 .1 5 ) 2 .0 8 ( 0 .0 8) Conform to JEDEC outline D2Pak (SMD-220) Dimensions in millimeters and (inches) 2X 2 . 5 4 (0 . 1 0) 2X Tape & Reel Information TRR 1.60 (0 .063) 1.50 (0 .059) 4 .10 ( 0.16 1) 3 .90 ( 0.15 3) FE ED D IR E C TIO N 1 .85 (0 .0 7 3) 1 .65 (0 .0 6 5) 1.60 (0 .063) D IA . 1.50 (0 .059) 0.3 68 (0.01 4 5) 0.3 42 (0.01 3 5) 11 .60 ( 0.4 57) 11 .40 ( 0.4 49) 15 .42 ( 0.6 09) 15 .22 ( 0.6 01) TR L 10 .9 0 ( 0.4 29) 10 .7 0 ( 0.4 21) 1.75 (0 .06 9) DIA . 1.25 (0 .04 9) 1 6 .10 ( 0.6 3 4) 1 5 .90 ( 0.6 2 6) 24 .3 0 (0 .95 7) 23 .9 0 (0 .94 1) 4.7 2 (0 .18 6) 4.5 2 (0 .17 8) F E E D DIRE C T ION 13 .5 0 ( 0.5 32) 12 .8 0 ( 0.5 04) D IA . 26 .4 0 ( 1.0 39) 24 .4 0 ( 0.9 61) SM D- 220 Ta pe & Reel W he n orde ri ng, i ndic ate th e pa rt 360 (1 4 .173) D IA . M A X . 60 (2 .3 6 2) D IA . M IN . nu m ber, part o rie ntati on, a nd the qu antity . Q u anti tie s are in multi ples of 800 p iec e s p e r r eel fo r b o th TR L an d T R R. Dimensions in millimeters and (inches) 6 www.irf.com 47CTQ020, 47CTQ020S, 47CTQ020-1 PD-20540 rev. E 10/99 Outline Table Modified JEDEC outline TO-262 Dimensions in millimeters and (inches) BASE COMMON CATHODE 2 1 2 3 ANODE COMMON ANODE CATHODE 1 2 WORLD HEADQUARTERS: EUROPEAN HEADQUARTERS: IR CANADA: IR GERMANY: IR ITALY: IR FAR EAST: IR SOUTHEAST ASIA: IR TAIWAN: http://www.irf.com www.irf.com 233 Kansas St., El Segundo, California 90245 U.S.A. Tel: (310) 322 3331. Fax: (310) 322 3332. Hurst Green, Oxted, Surrey RH8 9BB, U.K. Tel: ++ 44 1883 732020. Fax: ++ 44 1883 733408. 15 Lincoln Court, Brampton, Markham, Ontario L6T3Z2. Tel: (905) 453 2200. Fax: (905) 475 8801. Saalburgstrasse 157, 61350 Bad Homburg. Tel: ++ 49 6172 96590. Fax: ++ 49 6172 965933. Via Liguria 49, 10071 Borgaro, Torino. Tel: ++ 39 11 4510111. Fax: ++ 39 11 4510220. K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo, Japan 171. Tel: 81 3 3983 0086. 1 Kim Seng Promenade, Great World City West Tower,13-11, Singapore 237994. Tel: ++ 65 838 4630. 16 Fl. Suite D.207, Sec. 2, Tun Haw South Road, Taipei, 10673, Taiwan. Tel: 886 2 2377 9936. Fax-On-Demand: +44 1883 733420 Data and specifications subject to change without notice. 7