Bulletin PD-20240 09/00 15CTQ... 15CTQ...S 15CTQ... -1 SCHOTTKY RECTIFIER 15 Amp IF(AV) = 15Amp VR = 35 to 45V Description/Features Major Ratings and Characteristics Characteristics 15CTQ Units IF(AV) Rectangular 15 A 35 to 45 V IFSM @ tp = 5 µs sine 810 A VF @ 7.5 Apk, TJ = 125°C 0.51 V TJ range - 55 to 150 °C waveform VRRM range (per leg) The 15CTQ center tap Schottky rectifier series 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. 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 Case Styles 15CTQ... 15CTQ...S 15CTQ... -1 TO-220 D2PAK TO-262 www.irf.com 1 15CTQ... Series Bulletin PD-20240 09/00 Voltage Ratings Part number VR 15CTQ035 15CTQ040 15CTQ045 35 40 45 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 15CTQ Units IF(AV) Max. Average Forward Current 15 Conditions A 50% duty cycle @ TC = 123°C, rectangular wave form A Following any rated 5µs Sine or 3µs Rect. pulse load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied * See Fig. 5 Max. Peak One Cycle Non-Repetitive 810 Surge Current (Per Leg) * See Fig. 7 145 EAS Non-Repetitive Avalanche Energy (Per Leg) 10 mJ IAR Repetitive Avalanche Current (Per Leg) 1.5 A IFSM TJ = 25 °C, IAS = 1.20 Amps, L = 11.10 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 15CTQ Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Conditions 0.55 0.70 0.51 V V V @ 7.5A @ 15A @ 7.5A 0.65 V @ 15A Max. Reverse Leakage Current 0.8 mA TJ = 25 °C (Per Leg) * See Fig. 2 32 mA TJ = 125 °C (1) TJ = 25 °C TJ = 125 °C VR = rated VR CT Max. Junction Capacitance (Per Leg) 400 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 15CTQ Units TJ Max. Junction Temperature Range -55 to 150 °C Tstg Max. Storage Temperature Range -55 to 150 °C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) 3.50 °C/W DC operation RthJC Max. Thermal Resistance Junction to Case (Per Package) 1.75 °C/W DC operation RthCS Typical Thermal Resistance, Case to Heatsink 0.50 °C/W Mounting surface , smooth and greased wt Approximate Weight T Mounting Torque 2 2 (0.07) g (oz.) Min. 6 (5) Max. 12 (10) Kg-cm (Ibf-in) * See Fig. 4 www.irf.com 15CTQ... Series Bulletin PD-20240 09/00 100 T = 150°C J 125°C 10 100°C Reverse Current - I 10 1 75°C 0.1 50°C 0.01 0.001 25°C 0 5 10 15 T = 150°C J 25 30 35 40 45 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) T = 125°C J 1000 (pF) T = 25°C J 1 T = 25°C J Junction Capacitance - C 0.1 20 Reverse Voltage - V R (V) T Instantaneous Forward Current - I F (A) R (mA) 100 100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0 10 20 30 40 Forward Voltage Drop - V FM(V) Reverse Voltage - V R (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 D = 0.50 D = 0.33 D = 0.25 D = 0.17 D = 0.08 PD M 0.1 t1 t2 N otes: 1. D uty fa c tor D = t 1/ t 2 0.01 Single Pulse (Thermal Resistance) 0.001 0.00001 0.0001 0.001 2. Pe ak TJ = P DM 0.01 0.1 1 x Z thJC + TC 10 100 t , Rectangular Pulse Duration (Seconds) 1 Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 15CTQ... Series Bulletin PD-20240 09/00 7 15CTQ R thJC (DC) = 3.50°C/W 150 145 140 DC 135 130 125 0 2 4 6 8 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 6 Average Power Loss - (Watts) Allowable Case Temperature - (°C) 155 10 5 4 DC 2 1 0 12 RMS Limit 3 0 2 4 6 8 Average Forward Current - I Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) 10 F(AV) 12 (A) Fig. 6 - Forward Power Loss Characteristics (Per Leg) 1000 Non-Repetitive Surge Current - I FSM (A) At Any Rated Load Condition And With Rated VRRM 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 D UT IRFP460 R g = 25 oh m C URRE NT M O N ITO R H IG H-SPE ED SW ITC H FRE E-W H EEL D IO D E + V d = 25 V olt 40H FL40 S02 Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com 15CTQ... Series Bulletin PD-20240 09/00 Outline Table 10.54 (0.41) MAX. 3.78 (0.15) 3.54 (0.14) 1.32 (0.05) 1.22 (0.05) DIA. 6.48 (0.25) 6.23 (0.24) 2.92 (0.11) 2.54 (0.10) TERM 2 15.24 (0.60) 14.84 (0.58) 2° 1 2 3 14.09 (0.55) 3.96 (0.16) 13.47 (0.53) 3.55 (0.14) 0.10 (0.004) 2.04 (0.080) MAX. 1.40 (0.05) 2.89 (0.11) 1.15 (0.04) 2.64 (0.10) 0.94 (0.04) BASE COMMON CATHODE 2 0.69 (0.03) 1 1 2 3 0.61 (0.02) MAX. 4.57 (0.18) 2 3 ANODE COMMON ANODE CATHODE 1 2 4.32 (0.17) Conform to JEDEC outline TO-220AB Dimensions in millimeters and (inches) 5.08 (0.20) REF. 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 BASE COMMON CATHODE REF. 1.40 (0.055) 1.14 (0.045) 2X 0.46 (0.02) 0.93 (0.37) MINIMUM RECOMMENDED FOOTPRINT 0.69 (0.27) 11.43 (0.45) 2 1 1 2 3 4.57 (0.18) 3 ANODE COMMON ANODE CATHODE 1 2 4.32 (0.17) 2 8.89 (0.35) 17.78 (0.70) 0.61 (0.02) MAX. 5.08 (0.20) REF. 3.81 (0.15) 2.08 (0.08) Conform to JEDEC outline D2Pak (SMD-220) Dimensions in millimeters and (inches) www.irf.com 2X 2.54 (0.10) 2X 5 15CTQ... Series Bulletin PD-20240 09/00 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 Ordering Information Table Device Code 6 15 C T Q 045 -1 1 2 3 4 5 6 1 - Essential Part Number 2 - Common Cathode 3 - T = TO-220 4 - Q = Schottky Q Series 035 = 35V 5 - Voltage Rating 040 = 40V 6 - S = D 2Pak 045 = 45V 6 - -1 = TO-262 www.irf.com