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| Bulletin PD-20056 rev. A 12/01 20CTQ... 20CTQ...S 20CTQ... -1 SCHOTTKY RECTIFIER 20 Amp IF(AV) = 20Amp VR = 35 to 45V Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM range IFSM @ tp = 5 s sine VF TJ @ 10 Apk, TJ = 125C (per leg) range Description/Features Units A 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 TJ 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 20CTQ 20 35 to 45 1060 0.57 V A V - 55 to 175 C Case Styles 20CTQ... 20CTQ... S 20CTQ... -1 Base Common Cathode 2 Base Common Cathode 2 Base Common Cathode 2 1 Anode 2 Common Cathode 3 1 Anode Anode 2 Common Cathode 3 1 Anode Anode 2 Common Cathode 3 Anode TO-220 www.irf.com D PAK 2 TO-262 1 20CTQ... Series Bulletin PD-20056 rev. A 12/01 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 20CTQ035 35 20CTQ040 40 20CTQ045 45 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) 1060 265 13 2.0 mJ A A 5s Sine or 3s Rect. pulse Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 20CTQ Units 20 A Conditions 50% duty cycle @ TC = 145C, rectangular wave form TJ = 25 C, IAS = 2.0 Amps, L = 6.5 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) 20CTQ Units 0.64 0.76 0.57 0.68 2 15 900 8.0 10000 V V V V mA mA pF nH V/ s @ 10A @ 20A @ 10A @ 20A TJ = 25 C TJ = 125 C Conditions TJ = 25 C TJ = 125 C VR = rated VR IRM CT LS Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1) Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) 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) Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range (1) Pulse Width < 300s, Duty Cycle <2% 20CTQ Units -55 to 175 -55 to 175 3.25 1.63 0.50 2 (0.07) Min. Max. 6 (5) 12 (10) C C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink wt T Approximate Weight Mounting Torque C/W DC operation C/W DC operation * See Fig. 4 C/W Mounting surface , smooth and greased g (oz.) Kg-cm (Ibf-in) 2 www.irf.com 20CTQ... Series Bulletin PD-20056 rev. A 12/01 10 00 10 00 10 0 R v rs C rre t - I ( A ee e u n m) R 1 0 1 .1 .0 1 .0 1 0 .0 0 01 0 1 0 T =1 5 C 7 J T =1 5 C 2 J T =1 5C 7 J 1 0C 5 1 5C 2 1 0C 0 7 5C 5 0C 2 5C 10 0 In ta ta e u F rw rdC rre t - I (A s n nos o a un ) F 5 11223344 05050505 R v rs V lta e- V (V ee e o g R) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 10 00 J n tio C p c n e - C (p ) u c n a a ita c F T T= 2 5C J 1 T =2 5C J .1 0 .2 .4 .6 .8 1 1 .2 1 .4 1 .6 1 .8 10 0 0 1 0 2 0 3 0 4 0 5 0 F rw rdV lta eD p- V (V oa o g ro ) F M Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) 1 0 T e a Im e a c - Zth C( /W h rm l p d n e C) J D=0 0 .5 D=0 3 .3 D=0 5 .2 D=0 7 .1 D=0 8 .0 Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) R v rs V lta e- V (V ee e o g ) R 1 PM D .1 t 1 t2 N te : os 1 D tyfa to D= t1/ t2 .u cr S g P ls in le u e (T e a R s ta c ) h rm l e is n e 2 P a T =P xZ . ek +T JD M th C C J .0 1 .1 1 1 0 10 0 .0 1 .0 1 0 .0 0 1 00 .0 0 01 .0 1 0 t , R c n u r P ls D ra n(S c n s e ta g la u e u tio eod) 1 Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 20CTQ... Series Bulletin PD-20056 rev. A 12/01 10 8 A w b C s T m e tu - ( ) llo a le a e e p ra re C 15 7 10 7 15 6 10 6 15 5 10 5 15 4 0 D C 2CQ 0T R J (D ) =3 5C .2 /W th C C 9 D=0 8 .0 8 D=0 7 .1 D=0 5 .2 7 D=0 3 .3 .5 6 D=0 0 5 4 R SL it M im 3 2 1 5 1 0 1 5 0 0 5 1 0 5 1 D C A e g P w r L s - (W tts v ra e o e o s a) A e g F rw rdC rre t - IF V (A v ra e o a un (A ) ) A e g F rw rdC rre t - I v ra e o a un (A ) FV (A ) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) 1000 FSM Fig. 6 - Forward Power Loss Characteristics (Per Leg) Non-Repetitive Surge Current - I (A) 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 H IG H-SPE ED SW ITC H FRE E-W H EEL D IO D E 40H FL40 S02 V d = 25 V olt D UT IRFP460 R g = 25 oh m + C URRE NT M O N ITO R Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com 20CTQ... Series Bulletin PD-20056 rev. A 12/01 Outline Table 10.54 (0.41) MAX. 3.78 (0.15) 3.54 (0.14) 15.24 (0.60) 14.84 (0.58) 123 14.09 (0.55) 13.47 (0.53) 3.96 (0.16) 3.55 (0.14) 2.04 (0.080) MAX. 1.40 (0.05) 1.15 (0.04) 0.94 (0.04) 0.69 (0.03) 1 2 3 1.32 (0.05) DIA. 6.48 (0.25) 6.23 (0.24) 2 1.22 (0.05) 2.92 (0.11) 2.54 (0.10) TERM 2 0.10 (0.004) 2.89 (0.11) 2.64 (0.10) BASE COMMON CATHODE 2 123 4.57 (0.18) 4.32 (0.17) 0.61 (0.02) MAX. ANODE COMMON ANODE CATHODE 1 2 5.08 (0.20) REF. Conform to JEDEC outline TO-220AB Dimensions in millimeters and (inches) 10.16 (0.40) REF. 4.69 (0.18) 4.20 (0.16) 1.32 (0.05) 6.47 (0.25) 15.49 (0.61) 1.22 (0.05) 93 6.18 (0.24) 14.73 (0.58) 2.61 (0.10) 2.32 (0.09) 8.89 (0.35) 5.28 (0.21) 4.78 (0.19) 0.55 (0.02) 0.46 (0.02) 3X BASE COMMON CATHODE 2 1.40 (0.055) REF. 0.93 (0.37) 0.69 (0.27) 1.14 (0.045) 2X MINIMUM RECOMMENDED FOOTPRINT 11.43 (0.45) 1 1 2 3 ANODE COMMON ANODE CATHODE 1 2 3 4.57 (0.18) 4.32 (0.17) 2 0.61 (0.02) MAX. 5.08 (0.20) REF. 8.89 (0.35) 17.78 (0.70) 3.81 (0.15) 2.08 (0.08) Conform to JEDEC outline D2Pak (SMD-220) Dimensions in millimeters and (inches) 2X 2.54 (0.10) 2X www.irf.com 5 20CTQ... Series Bulletin PD-20056 rev. A 12/01 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 Marking Information EXAMPLE: THIS IS A 20CTQ045-1 LOT CODE 1789 ASSEMBLED ON WW 19, 1999 IN THE ASSEMBLY LINE "C" INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE PART NUMBER DATE CODE YEAR 7 = 1999 WEEK 19 LINE C 6 www.irf.com 20CTQ... Series Bulletin PD-20056 rev. A 12/01 Tape & Reel Information TRR 1.60 (0.063) 1.50 (0.059) 4.10 (0.161) 3.90 (0.153) 1.60 (0.063) 1.50 (0.059) DIA. 0.368 (0.0145) 0.342 (0.0135) FEED DIR ECTION 1.85 (0.073) 1.65 (0.065) 11.60 (0.457) 11.40 (0.449) 15.42 (0.609) 15.22 (0.601) 1.75 (0.069) 24.30 (0.957) 23.90 (0.941) TRL 10.90 (0.429) 10.70 (0.421) 1.25 (0.049) 16.10 (0.634) 15.90 (0.626) DIA. 4.72 (0.186) 4.52 (0.178) FEED DIRECTION 13.50 (0.532) 12.80 (0.504) DIA. 26.40 (1.039) 24.40 (0.961) SMD-220 Tape & Reel When ordering, indicate the part number, part orientation, and the quantity. Quantities are in multiples 60 (2.362) D IA . MIN . 360 (14.173) DIA. MAX. of 800 pieces per reel for both TRL and TRR. Dimensions in millimeters and (inches) Ordering Information Table Device Code 20 1 1 2 3 4 5 6 6 - C 2 T 3 Q 4 045 5 -1 6 Essential Part Number Common Cathode T = TO-220 Q = Schottky Q Series Voltage Rating S = D2Pak -1 = TO-262 035 = 35V 040 = 40V 045 = 45V www.irf.com 7 20CTQ... Series Bulletin PD-20056 rev. A 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. 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 8 www.irf.com |
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