Preliminary Data Sheet PD-20573 11/98 42CTQ030L SCHOTTKY RECTIFIER 40 Amp TO-262 Major Ratings and Characteristics Characteristics Description/Features 42CTQ...L Units The 42CTQ030L 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. IF(AV) Rectangular waveform 40 A VRRM 30 V IFSM @ tp = 5 µs sine 1100 A VF 0.38 V Very low forward voltage drop High frequency operation - 55 to 150 °C Guard ring for enhanced ruggedness and long term reliability @ 20 Apk, TJ= 125°C (per leg) TJ range 150° C TJ operation Center tap TO-262 package High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance 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 42CTQ030L Preliminary Data Sheet PD-20573 11/98 Voltage Ratings Part number VR 42CTQ030L Max. DC Reverse Voltage (V) 30 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 42CTQ..L Units (Per Leg) (Per Device) 20 A 40 IFSM Max. Peak One Cycle Non-Repetitive 1100 Surge Current (Per Leg) * See Fig. 7 360 EAS Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) 13 mJ 3 A IAR Conditions 50% duty cycle @ TC = 121°C, rectangular wave form A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 5µs Sine or 3µs Rect. pulse TJ = 25 °C, IAS = 3 Amps, L = 2.90 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 42CTQ..L Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) 0.48 0.57 0.38 V V V @ 20A @ 40A @ 20A 0.51 V @ 40A 3 mA TJ = 25 °C 183 mA TJ = 125 °C TJ = TJ max. Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1) Conditions TJ = 25 °C TJ = 125 °C VR = rated VR VF(TO) Threshold Voltage 0.22 V rt Forward Slope Resistance 6.76 mΩ CT Max. Junction Capacitance (Per Leg) 2840 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 42CTQ..L Units TJ Max. Junction Temperature Range -55 to 150 Tstg Max. Storage Temperature Range -55 to 150 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 Modified JEDEC www.irf.com 42CTQ030L Preliminary Data Sheet PD-20573 11/98 1000 1000 TJ = 150°C (mA) 100 Reverse Current - I 100 100°C 10 75°C 1 50°C 25°C 0.1 0.01 0 5 10 15 20 25 30 Reverse Voltage - V R (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) (pF) 10000 T J= 150°C 10 T Instantaneous Forward Current - I F (A) R 125°C Junction Capacitance - C T J= 125°C T J= 25°C 1 T J= 25°C 1000 100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0 5 10 15 20 25 30 Forward Voltage Drop - VF M (V) Reverse Voltage - V R (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (PerLeg) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) 35 Thermal Impedance Z thJC (°C/W) 10 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM 0.1 Notes: Single Pulse (Thermal Resistance) 0.01 0.00001 0.0001 0.001 0.01 t1 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 42CTQ030L Preliminary Data Sheet PD-20573 11/98 16 Average Power Loss - (Watts) Allowable Case Temperature - (°C) 150 140 DC 130 Square wave (D = 0.50) 80% Rated V R applied 120 110 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 12 DC RMS Limit 8 4 see note (2) 100 0 0 5 10 15 20 25 30 0 Average Forward Current - I F(AV) (A) 5 10 15 20 25 30 Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Fig. 6 - Forward Power Loss Characteristics (PerLeg) Non-Repetitive Surge Current - I FSM (A) 1000 At Any Rated Load Condition And With Rated V RRM Applied Following Surge 100 10 100 1000 Square Wave Pulse Duration - t 10000 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 42CTQ030L Preliminary Data Sheet PD-20573 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