Bulletin PD-2.296 rev. B 02/01 245NQ015(R) 240 Amp SCHOTTKY RECTIFIER D-67 Major Ratings and Characteristics Characteristics Description/Features 245NQ015(R) Units The 245NQ015(R) high current Schottky rectifier module has been optimized for ultra low forward voltage drop specifically for the OR-ing of parallel power supplies. The proprietary barrier technology allows for reliable operation up to 125 °C junction temperature. Typical applications are in parallel switching power supplies, converters, reverse battery protection, and redundant power subsystems. IF(AV) Rectangular 240 A VRRM 15 V 20,000 A 0.34 V Ultra low forward voltage drop - 55 to 125 °C High frequency operation Guard ring for enhanced ruggedness and long term reliability waveform IFSM @ tp = 5 µs sine 125°C TJ operation (VR < 5V) Unique high power, Half-Pak module Optimized for OR-ing applications VF @ 240 Apk, TJ= 75°C TJ range High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance 245NQ015 Lug Terminal Anode Base Cathode 245NQ015R Lug Terminal Cathode Base Anode Outline D-67 HALF PAK Module Dimensions in millimeters and (inches) www.irf.com 1 245NQ015 Bulletin PD-2.296 rev. B 02/01 Voltage Ratings Part number VR 245NQ015 Max. DC Reverse Voltage (V) 15 VRWM Max. Working Peak Reverse Voltage (V) 25 Absolute Maximum Ratings Parameters 245NQ Units IF(AV) Max. Average Forward Current * See Fig. 5 IFSM 240 Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 20,000 3000 A A EAS Non-Repetitive Avalanche Energy 9 mJ IAR Repetitive Avalanche Current 2 A Conditions 50% duty cycle @ TC = 70° C, rectangular wave form 5µs Sine or 3µs Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS = 2 Amps, L = 4.5 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 3 x VR typical Electrical Specifications Parameters VFM 245NQ Units Max. Forward Voltage Drop (1) * See Fig. 1 IRM Max. Reverse Leakage Current (1) * See Fig. 2 Conditions 0.40 V @ 240A 0.51 V @ 480A 0.34 V @ 240A 0.44 V @ 480A TJ = 25 °C TJ = 75 °C 80 mA TJ = 25 °C 4000 mA TJ = 100 °C 3560 mA TJ = 100 °C VR = 12V 2160 mA TJ = 100 °C VR = 5V VR = rated VR CT Max. Junction Capacitance 15,800 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C LS Typical Series Inductance 5.0 nH From top of terminal hole to mounting plane 10,000 V/ µs dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters 245NQ Units Conditions TJ Max. Junction Temperature Range -55 to 125 °C Tstg Max. Storage Temperature Range -55 to 150 °C RthJC Max. Thermal Resistance Junction to Case 0.20 °C/W DC operation RthCS Typical Thermal Resistance, Case to 0.15 °C/W Mounting surface , smooth and greased * See Fig. 4 Heatsink wt Approximate Weight T Mounting Torque Terminal Torque 25.6 (0.9) g (oz.) Min. 40 (35) Max. 58 (50) Min. 58 (50) Max. Case Style 2 Non-lubricated threads Kg-cm (Ibf-in) 86 (75) HALF PAK Module www.irf.com 245NQ015 Bulletin PD-2.296 rev. B 02/01 1000 10000 ReverseCurrent - I (mA) R 100 75°C 50°C 100 25°C 10 1 0 T =100°C J 100000 T = 25°C J 10 .1 .2 .3 .4 15 10 Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T = 75°C J 1 0 5 ReverseVoltage- VR(V) JunctionCapacitance- C (pF) T Instantaneous ForwardCurrent - IF (A) T =100°C J 1000 .5 T =25°C J 10000 1000 0 .6 5 10 15 20 25 30 ReverseVoltage- V (V) R ForwardVoltageDrop- V (V) FM Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 1 - Maximum Forward Voltage Drop Characteristics Thermal Impedance- ZthJC(°C/W ) 1 .1 D=0.50 D=0.33 D=0.25 P DM t 1 t2 D=0.17 .01 D=0.08 Notes: 1. Dutyfactor D= t / t 1 2 SinglePulse (Thermal Resistance) .001 .00001 .0001 .001 .01 2. PeakT =P xZ +T J DM thJC C .1 1 10 100 t , Rectangular PulseDuration(Seconds) 1 Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 245NQ015 Bulletin PD-2.296 rev. B 02/01 120 245NQ015 RthJC (DC) =0.20°C/W 100 AveragePower Loss- (W atts) AllowableCaseTemperature- (°C) 110 90 DC 80 70 0 50 D=0.08 D=0.17 D=0.25 D=0.33 80 D=0.50 100 60 RMSLimit DC 40 20 0 0 100 150 200 250 300 350 50 100 150 200 250 300 350 AverageForwardCurrent - I (A) F(AV) AverageForwardCurrent - IF(AV) (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics 100000 Non-Repetitive Surge Current - I FSM (A) At Any Rated Load Condition And With Rated VRRM Applied Following Surge 10000 1000 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current L D UT IRFP460 Rg = 2 5 oh m C UR RE N T M O N ITO R H IG H -SPE ED SW IT C H FRE E-W H EEL D IO D E + V d = 25 V olt 40H FL40S02 Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com