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| Preliminary Data Sheet PD-20574 11/98 43CTQ080L 43CTQ100L SCHOTTKY RECTIFIER 40 Amp TO-262 Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s sine VF TJ @ 20 Apk, T J = 125C (per leg) range - 55 to 175 C Description/Features 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. 175 C TJ operation Center tap TO-262 package Low forward voltage drop 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 43CTQ...L Units 40 80 / 100 850 0.67 A V A V 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 80 43CTQ100L 100 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM EAS IAR * See Fig. 5 (Per Leg) (Per Device) 43CTQ...L Units 20 40 850 275 7.50 0.50 mJ A A A Conditions 50% duty cycle @ TC = 135C, rectangular wave form Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 5s Sine or 3s Rect. pulse TJ = 25 C, IAS = 0.50 Amps, L = 60 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) Electrical Specifications Parameters VFM Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) 43CTQ...L Units 0.81 0.98 0.67 0.81 1 11 0.71 0.43 1480 8.0 10,000 V V V V mA mA V m Conditions @ 20A @ 40A @ 20A @ 40A TJ = 25 C TJ = 125 C TJ = T J max. TJ = 25 C TJ = 125 C VR = rated VR IRM Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1) VF(TO) Threshold Voltage rt CT LS Forward Slope Resistance Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) pF nH V/ s VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C Measured lead to lead 5mm from package body dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range 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 Min. Max. 0.50 2 (0.07) 6 (5) 12 (10) C/W Mounting surface , smooth and greased g (oz.) Kg-cm (Ibf-in) JEDEC 1.0 C/W DCoperation 43CTQ...L Units -55 to 175 -55 to 175 2.0 C C Conditions RthJC Max. Thermal Resistance Junction C/W DCoperation TO-262 2 www.irf.com 43CTQ080L, 43CTQ100L Preliminary Data Sheet PD-20574 11/98 1000 1000 100 10 1 0.1 0.01 25C 0.001 0 20 40 60 80 100 Reverse Voltage - V R (V) (mA) T J= 175C 150C 125C 100C 75C 50C 100 Instantaneous F orward Current - I F T J= 175C T J= 125C T J= 25C 10 (pF) 10000 Reverse Current - I (A) R Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) T Junction Capacitance - C T J= 25C 1000 1 0.2 100 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0 20 40 60 80 100 Forward Voltage Drop - V FM (V) Reverse Voltage - V R (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) 10 Thermal Impedance Z thJC (C/W) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) 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 1 t2 1. Duty factor D = t 1/ t 2 2. Peak TJ = PDM x Z thJC+ T C 0.1 1 10 100 0.0001 0.001 0.01 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 11/98 180 Allowable Case Temperature - (C) 20 Average Power Loss - (Watts) D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS Limit 10 DC 170 160 150 140 130 120 110 see note (2) DC 15 Square wave (D = 0.50) 80% Rated V R applied 5 100 0 5 10 15 20 25 30 Average Forward Current - I F(AV) (A) 0 0 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) Non-Repetitive Surge Current - I FSM (A) 1000 Fig. 6 - Forward Power Loss Characteristics (Per Leg) 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 HIGH-SPEED SWITCH FREE-WHEEL DIODE 40HFL40S02 Vd = 25 Volt DUT IRFP460 Rg = 25 ohm + CURRENT MONITOR 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: 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. http://www.irf.com Fax-On-Demand: +44 1883 733420 Data and specifications subject to change without notice. www.irf.com 5 |
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