20CTQ040-1

20CTQ IRF | Alldatasheet

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20CTQ... 20CTQ...S 20CTQ... -1 www.irf.com 1 Bulletin PD-20056 rev. A 12/01 Major Ratings and Characteristics IF(AV) Rectangular 20 A waveform V RRM range 35 to 45 V IFSM @ tp = 5 µs sine 1060 A VF @ 10 Apk, TJ = 125°C 0.57 V (per leg) TJ range - 55 to 175 °C Characteristics 20CTQ Units Description/Features The 20CTQ 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 T J operation Center tap TO-220 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 IF(AV) = 20Amp VR = 35 to 45V Case Styles TO-220 D 2PAK Anode 1 3 Base Common Cathode Anode Common Cathode TO-262 Anode 1 3 Base Common Cathode Anode Common Cathode Anode 1 3 Base Common Cathode Anode Common Cathode

20CTQ... Series Bulletin PD-20056 rev. A 12/01 www.irf.com TJ Max. Junction Temperature Range -55 to 175 °C Tstg Max. Storage Temperature Range -55 to 175 °C RthJC Max. Thermal Resistance Junction 3.25 °C/W DC operation * See Fig. 4 to Case (Per Leg) RthJC Max. Thermal Resistance Junction 1.63 °C/W DC operation to Case (Per Package) RthCS Typical Thermal Resistance, Case 0.50 °C/W Mounting surface , smooth and greased to Heatsink wt Approximate Weight 2 (0.07) g (oz.) T Mounting Torque Min. 6 (5) Max. 12 (10) Thermal-Mechanical Specifications Kg-cm (Ibf-in) VFM Max. Forward Voltage Drop 0.64 V @ 10A (Per Leg) * See Fig. 1 (1) 0.76 V @ 20A

0.57 V @ 10A

0.68 V @ 20A

IRM Max. Reverse Leakage Current 2 mA T J = 25 °C (Per Leg) * See Fig. 2 (1) 15 mA T J = 125 °C CT Max. Junction Capacitance (Per Leg) 900 pF V R = 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 dv/dt Max. Voltage Rate of Change 10000 V/ µs (Rated VR) TJ = 25 °C TJ = 125 °C Electrical Specifications (1) Pulse Width < 300µs, Duty Cycle <2% VR = rated VR Absolute Maximum Ratings Following any rated load condition and with rated VRRM applied Parameters 20CTQ Units Conditions IF(AV) Max. Average Forward Current 20 A 50% duty cycle @ T C = 145°C, rectangular wave form * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive 1060 5µs Sine or 3µs Rect. pulse Surge Current (Per Leg) * See Fig. 7 265 10ms Sine or 6ms Rect. pulse EAS Non-Repetitive Avalanche Energy 13 mJ T J = 25 °C, IAS = 2.0 Amps, L = 6.5 mH (Per Leg) IAR Repetitive Avalanche Current 2.0 A Current decaying linearly to zero in 1 µsec (Per Leg) Frequency limited by T J max. VA = 1.5 x VR typical A Part number 20CTQ035 20CTQ040 20CTQ045 VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Voltage Ratings 35 40 45 Parameters 20CTQ Units Conditions Parameters 20CTQ Units Conditions

20CTQ... Series Bulletin PD-20056 rev. A 12/01 www.irf.com Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) .0001 .001 .01 100 1000 0 5 10 15 20 25 30 35 40 4 5 R R T = 175°C 150°C 125°C 100°C 75°C 50°C 25°C J Reverse Voltage - V (V) Reverse Current - I (mA) 100 1000 0 1 02 03 04 05 0 T = 25°CJ Reverse Voltage - V (V)R TJunction Capacitance - C (pF) 100 1000 FM FInstantaneous Forward Current - I (A) T = 175°C T = 125°C T = 25°C J J J Forward Voltage Drop - V (V).001 .01 D = 0.33 D = 0.50 D = 0.25 D = 0.17 D = 0.08 thJC t , Rectangular Pulse Duration (Seconds) Thermal Impedance - Z (°C/W) S ingle Pulse (Thermal Resistance) PDM Not es: 1. D uty factor D = t / t 2. Peak T = P x Z + T JD Mt h J C C

20CTQ... Series Bulletin PD-20056 rev. A 12/01 www.irf.com Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Fig. 8 - Unclamped Inductive Test Circuit Fig. 6 - Forward Power Loss Characteristics (Per Leg) 145 150 155 160 165 170 175 180 05 1 0 1 5 DC Al l owabl e Case Temperature - (°C) Average Forward C urrent - I (A)F(AV) 20CTQ R (DC) = 3.25°C/WthJC 05 1 0 1 DC Average Power Loss - (Watts) F(AV) D = 0. 08 D = 0. 17 D = 0. 25 D = 0. 33 D = 0. 50 RMS Li mit Average Forward Current - I (A) 100 1000 10 100 1000 10000 FSM p Non-Repetitive Surge Current - I (A) At Any Rated Load Condition And With Rated V Applied Following Surge RRM Square Wave Pulse Duration - t (microsec) FREE-WHEEL DIODE 40HFL40S02CURRENT MONI TOR HIGH-SPEED SWITCH IRFP460 L DUT Rg = 25 ohm Vd = 25 Volt+

20CTQ... Series Bulletin PD-20056 rev. A 12/01 www.irf.com Outline Table 3.78 (0.15) 3.54 (0.14) 10.54 (0.41) MAX. DIA. 15.24 (0.60) 14.84 (0.58) 2.92 (0.11) 2.54 (0.10) TERM 2 14.09 (0.55) 13.47 (0.53) 3.96 (0.16) 3.55 (0.14) 0.94 (0.04) 0.69 (0.03) 4.57 (0.18) 4.32 (0.17) 3 0.61 (0.02) MAX. 5.08 (0.20) REF. 1.32 (0.05) 1.22 (0.05) 6.48 (0.25) 6.23 (0.24) 0.10 (0.004) 1.40 (0.05) 1.15 (0.04) 2.89 (0.11) 2.64 (0.10) 2.04 (0.080) MAX. Dimensions in millimeters and (inches) Conform to JEDEC outline TO-220AB BASE COMMON CATHODE 123 ANODECOMMON CATHODE ANODE 10.16 (0.40) REF. 8.89 (0.35) 4.57 (0.18) 4.32 (0.17) 0.61 (0.02) MAX. 5.08 (0.20) RE F. 1.32 (0.05) 1.22 (0.05) 6.47 (0.25) 6.18 (0.24)93° REF. 2.61 (0.10) 2.32 (0.09) 5.28 (0.21) 4.78 (0.19) 4.69 (0.18) 4.20 (0.16) 0.55 (0.02) 0.46 (0.02) 14.73 (0.58) 15.49 (0.61) 1.40 (0.055) 1.14 (0.045)3X 0.93 (0.37) 0.69 (0.27)2X 11.43 (0.45) 17.78 (0.70) 8.89 (0.35) 3.81 (0.15) 2.08 (0.08) 2X 2.54 (0.10) MINIMUM RECOMMENDED FOOTPRINT Dimensions in millimeters and (inches) Conform to JEDEC outline D2Pak (SMD-220) BASE COMMON CATHODE 123 ANODECOMMON CATHODE ANODE

20CTQ... Series Bulletin PD-20056 rev. A 12/01 www.irf.com Outline Table Dimensions in millimeters and (inches) Modified JEDEC outline TO-262 BASE COMMON CATHODE 123 ANODECOMMON CATHODE ANODE Marking Information EXAMPLE: THIS IS A 20CTQ045-1 LOT CODE 1789 ASSEMBLY PART NUMBER DATE CODE WEEK 19 LINE C LOT CODE YEAR 7 = 1999 ASSEMBLED ON WW 19, 1999 IN THE ASSEMBLY LINE "C" LOGO RECTIFIER INTERNATIONAL

20CTQ... Series Bulletin PD-20056 rev. A 12/01 www.irf.com Ordering Information Table Device Code 1 524 3 1 - Essential Part Number 2 - Common Cathode 3 - T = TO-220 4 - Q = Schottky Q Series 5 - Voltage Rating 6 -S = D 2Pak 6 - -1 = TO-262

20 C T Q 045 -1

035 = 35V 040 = 40V 045 = 45V TRR FEED DIRECTION TRL FEED DIRECTION 10.90 (0.429) 15.90 (0.626) 1.75 (0.069) 1.25 (0.049) 1.85 (0.073) 1.65 (0.065) 4.10 (0.161) 3.90 (0.153) 1.60 (0.063) 1.50 (0.059) DIA. 1.60 (0.063) 1.50 (0.059) DIA. 11.60 (0.457) 11.40 (0.449) 15.42 (0.609) 15.22 (0.601) 4.72 (0.186) 4.52 (0.178) 24.30 (0.957) 23.90 (0.941) 0.368 (0.0145) 0.342 (0.0135) 360 (14.173) DIA. MAX. 26.40 (1.039) 24.40 (0.961) 13.50 (0.532) 12.80 (0.504) DIA. 60 (2.362) DI A. MI N. SMD-220 Tape & Reel When ordering, indicate the part number, part orientation, and the quantity. Quantities are in multiples of 800 pieces per reel for both TRL and TRR. Dimensions in millimeters and (inches) Tape & Reel Information

20CTQ... Series Bulletin PD-20056 rev. A 12/01 www.irf.com 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. 12/01 Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site.