PD-2.554 03/98 12CTQ...S SERIES SCHOTTKY RECTIFIER 12 Amp D2Pak (SMD-220) Major Ratings and Characteristics Characteristics Description/Features The 12CTQ...S 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. 12CTQ...S Units IF(AV) Rectangular waveform 12 A 35 to 45 V IFSM @ tp = 5 s sine 690 A VF 0.53 V - 55 to 175 C VRRM range 175 C TJ operation Center tap D2Pak (SMD-220) @ 6 Apk, TJ = 125C 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 (per leg) TJ range 4.69 (0.18) 4.20 (0.16) 10.16 (0.40) REF. 1.32 (0.05) 1.22 (0.05) 6.47 (0.25) 15.49 (0.61) 93 6.18 (0.24) 14.73 (0.58) 5.28 (0.21) 2.61 (0.10) 4.78 (0.19) 2.32 (0.09) 0.55 (0.02) 8.89 (0.35) 3X REF. 1.40 (0.055) 1.14 (0.045) 2X BASE COMMON CATHODE 2 1 0.46 (0.02) 0.93 (0.37) MINIMUM RECOMMENDED FOOTPRINT 0.69 (0.27) 11.43 (0.45) 3 4.57 (0.18) 4.32 (0.17) 8.89 (0.35) 17.78 (0.70) 2 1 2 3 ANODE COMMON ANODE CATHODE 1 2 0.61 (0.02) MAX. 5.08 (0.20) REF. Conform to JEDEC outline D2Pak (SMD-220) Dimensions in millimeters and inches www.irf.com 3.81 (0.15) 2.08 (0.08) 2X 2.54 (0.10) 2X 1 12CTQ...S Series PD-2.554 03/98 Voltage Ratings Part number VR 12CTQ035S 12CTQ040S 12CTQ045S 35 40 45 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM * See Fig. 5 12CTQ...S Units (Per Leg) 6 (Per Device) 12 Max. Peak One Cycle Non-Repetitive 690 Surge Current (Per Leg) * See Fig. 7 140 EAS Non-Repetitive Avalanche Energy (Per Leg) IAR Repetitive Avalanche Current (Per Leg) Conditions A 50% duty cycle @ TC = 160C, rectangular wave form A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 8 mJ 1.20 A 5s Sine or 3s Rect. pulse TJ = 25 C, IAS = 1.20 Amps, L = 11.10 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM IRM 12CTQ...S Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Conditions 0.60 0.73 0.53 V V V @ 6A @ 12A @ 6A 0.64 V @ 12A Max. Reverse Leakage Current 0.8 mA TJ = 25 C (Per Leg) * See Fig. 2 7.0 mA TJ = 125 C TJ = T J max. (1) TJ = 25 C TJ = 125 C VR = rated VR VF(TO) Threshold Voltage 0.35 V rt Forward Slope Resistance 18.23 m CT Max. Junction Capacitance (Per Leg) 400 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C LS Typical Series Inductance (Per Leg) 8.0 nH Measured lead to lead 5mm from package body 10,000 V/ s dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 12CTQ...S Units TJ Max. Junction Temperature Range -55 to 175 C Tstg Max. Storage Temperature Range -55 to 175 C RthJC Max. Thermal Resistance Junction wt Approximate Weight Case Style 2 3.50 2 (0.07) Conditions C/W DCoperation * See Fig. 4 g (oz.) D2Pak (SMD-220) www.irf.com 12CTQ...S Series PD-2.554 03/98 100 100 150C 125C 1 100C 0.1 75C 0.01 50C 25C 0.001 0.0001 0 5 10 15 20 25 30 35 40 45 Reverse Voltage - V R (V) 10 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 1000 (pF) T J= 175C T J= 125C T Instantaneous Forward Current - I F (A) Reverse Current - I R (mA) T J= 175C 10 Junction Capacitance - C T J= 25C T = 25C J 100 1 0.2 0.4 0.6 0.8 1 1.2 1.4 0 1.6 10 20 30 40 Forward Voltage Drop - V FM (V) Reverse Voltage - VR (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) 50 Thermal Impedance Z thJC (C/W) 10 1 0.1 D= D= D= D= D= 0.01 0.001 0.00001 0.75 0.50 0.33 0.25 0.20 PDM Single Pulse (Thermal Resistance) 0.0001 0.001 0.01 Notes: 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 12CTQ...S Series PD-2.554 03/98 5 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 4.5 Average Power Loss - (Watts) Allowable Case Temperature - (C) 175 170 165 DC 160 Square wave (D = 0.50) 80% Rated V applied R 155 4 3.5 3 RMS Limit 2.5 DC 2 1.5 1 0.5 see note (2) 150 0 0 2 4 6 8 0 10 Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) 4 6 8 10 Fig. 6 - Forward Power Loss Characteristics (Per Leg) 1000 At Any Rated Load Condition And With Rated V RRM Applied Following Surge Non-Repetitive Surge Current - I F SM (A) 2 Average Forward Current - I F(AV) (A) 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 12CTQ...S Series PD-2.554 03/98 Marking Information (K) EXAMPLE: THIS IS AN 12CTQ045S INTERNATIONAL PART NUMBER RECTIFIER LOGO 12CTQ045S 9G3A 9512 ASSEMBLY DATE CODE (YYWW) LOT CODE YY = YEAR WW = WEEK (A) (A) Tape & Reel Information TRR 1.60 (0.063) 1.50 (0.059) 4.10 (0.161) 3.90 (0.153) FEED DIRECTION 1.85 (0.073) 1.60 (0.063) 1.50 (0.059) DIA. 0.368 (0.0145) 0.342 (0.0135) 11.60 (0.457) 11.40 (0.449) 1.65 (0.065) 15.42 (0.609) 15.22 (0.601) TRL 10.90 (0.429) 10.70 (0.421) 1.75 (0.069) DIA. 1.25 (0.049) 16.10 (0.634) 24.30 (0.957) 23.90 (0.941) 4.72 (0.186) 4.52 (0.178) 15.90 (0.626) FEED DIRECTION Dimensions in millimeters and inches 13.50 (0.532) 12.80 (0.504) DIA. 26.40 (1.039) 24.40 (0.961) SMD-220 Tape & Reel 360 (14.173) DIA. MAX. www.irf.com 60 (2.362) DIA. MIN. When orderi ng, indicate the part number, part orientation, and the quantity. Quantities are in multiples of 800 pieces per reel for both TRL and T RR. 5