Preliminary Data Sheet PD-20574 11/98 43CTQ080L 43CTQ100L SCHOTTKY RECTIFIER 40 Amp TO-262 Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform Description/Features 43CTQ...L Units The 43CTQ...L center tap Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 175° C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 40 A 80 / 100 V 175° C TJ operation Center tap TO-262 package IFSM @ tp = 5 µs sine 850 A Low forward voltage drop VF 0.67 V - 55 to 175 °C VRRM @ 20 Apk, T J = 125°C (per leg) TJ range High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance High frequency operation Guard ring for enhanced ruggedness and long term reliability BASE COMMON CATHODE 2 1 2 3 ANODE COMMON ANODE CATHODE 1 2 Modified JEDEC outline TO-262 Dimensions in millimeters and inches www.irf.com 1 43CTQ080L, 43CTQ100L Preliminary Data Sheet PD-20574 11/98 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 43CTQ080L 43CTQ100L 80 100 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM * See Fig. 5 43CTQ...L Units (Per Leg) 20 (Per Device) Conditions A 50% duty cycle @ TC = 135°C, rectangular wave form A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 40 Max. Peak One Cycle Non-Repetitive 850 Surge Current (Per Leg) * See Fig. 7 275 EAS Non-Repetitive Avalanche Energy (Per Leg) 7.50 mJ IAR Repetitive Avalanche Current (Per Leg) 0.50 A 5µs Sine or 3µs Rect. pulse TJ = 25 °C, IAS = 0.50 Amps, L = 60 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM IRM 43CTQ...L Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Conditions 0.81 0.98 0.67 V V V @ 20A @ 40A @ 20A 0.81 V @ 40A Max. Reverse Leakage Current 1 mA TJ = 25 °C (Per Leg) * See Fig. 2 11 mA TJ = 125 °C TJ = T J max. (1) TJ = 25 °C TJ = 125 °C VR = rated VR VF(TO) Threshold Voltage 0.71 V rt Forward Slope Resistance 0.43 mΩ CT Max. Junction Capacitance (Per Leg) 1480 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C LS Typical Series Inductance (Per Leg) 8.0 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 Parameters 43CTQ...L Units TJ Max. Junction Temperature Range -55 to 175 Tstg Max. Storage Temperature Range -55 to 175 RthJC Max. Thermal Resistance Junction Conditions °C °C 2.0 °C/W DCoperation 1.0 °C/W DCoperation 0.50 °C/W Mounting surface , smooth and greased to Case (Per Leg) * See Fig. 4 RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink wt Approximate Weight T Mounting Torque Case Style 2 2 (0.07) g (oz.) Min. 6 (5) Max. 12 (10) Kg-cm (Ibf-in) TO-262 JEDEC www.irf.com 43CTQ080L, 43CTQ100L Preliminary Data Sheet PD-20574 11/98 1000 Reverse Current - I 100 100 T J= 175°C 150°C 10 125°C 1 100°C 75°C 0.1 50°C 0.01 25°C 0.001 0 20 40 60 80 100 Reverse Voltage - V R (V) T J= 175°C Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) T J= 125°C 10000 (pF) T J= 25°C T 10 Junction Capacitance - C Instantaneous F orward Current - I F (A) R (mA) 1000 1 0.2 T J= 25°C 1000 100 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0 20 Forward Voltage Drop - V FM (V) 40 60 80 100 Reverse Voltage - V R (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Thermal Impedance Z thJC (°C/W) 10 1 D D D D D = = = = = 0.75 0.50 0.33 0.25 0.20 PDM t 0.1 Notes: Single Pulse (Thermal Resistance) 0.01 0.00001 0.0001 0.001 0.01 1 t2 1. Duty factor D = t 1/ t 2 2. Peak TJ = PDM x Z thJC+ T C 0.1 1 10 100 t 1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 43CTQ080L, 43CTQ100L Preliminary Data Sheet PD-20574 11/98 20 170 160 Average Power Loss - (Watts) Allowable Case Temperature - (°C) 180 DC 150 140 Square wave (D = 0.50) 80% Rated V R applied 130 120 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 15 RMS Limit DC 10 5 110 see note (2) 100 0 0 5 10 15 20 25 30 0 Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Non-Repetitive Surge Current - I FSM (A) 5 10 15 20 25 30 Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics (Per Leg) 1000 At Any Rated Load Condition And With Rated V RRM Applied Following Surge 100 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) L IRFP460 DUT Rg = 25 ohm CURRENT MONITOR HIGH-SPEED SWITCH FREE-WHEEL DIODE + Vd = 25 Volt 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit (2) Formula used: T C = TJ - (Pd + PdREV) x R thJC ; Pd = Forward Power Loss = I F(AV) x VFM @ (IF(AV) / D) (see Fig. 6); Pd REV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com 43CTQ080L, 43CTQ100L Preliminary Data Sheet PD-20574 11/98 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. 5