Bulletin PD-2.275 rev. B 02/01 125NQ015 (R) 120 Amp SCHOTTKY RECTIFIER D-67 Major Ratings and Characteristics Characteristics Description/Features 125NQ015(R) Units IF(AV) Rectangular waveform 120 A VRRM 15 V 10,800 A 0.33 V - 55 to 125 °C IFSM @ tp = 5 µs sine VF @120 Apk, TJ= 75°C TJ range The 125NQ015(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. 125°C TJ operation (VR < 5V) Unique high power, Half-Pak module Optimized for OR-ing applications Ultra low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance 125NQ015 Lug Terminal Anode Base Cathode 125NQ015R Lug Terminal Cathode Base Anode Outline D-67 HALF PAK Module Dimensions in millimeters and (inches) www.irf.com 1 125NQ015(R) Bulletin PD-2.275 rev. B 02/01 Voltage Ratings Part number VR 125NQ015(R) Max. DC Reverse Voltage (V) 15 VRWM Max. Working Peak Reverse Voltage (V) 25 Absolute Maximum Ratings Parameters 125NQ Units IF(AV) Max. Average Forward Current * See Fig. 5 IFSM 120 Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 10,800 1700 A A EAS Non-Repetitive Avalanche Energy 9 mJ IAR Repetitive Avalanche Current 2 A Conditions 50% duty cycle @ TC = 71° 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 125NQ Units Max. Forward Voltage Drop (1) * See Fig. 1 IRM Max. Reverse Leakage Current (1) * See Fig. 2 CT Max. Junction Capacitance LS Typical Series Inductance dv/dt Max. Voltage Rate of Change (Rated VR) Conditions 0.39 V @ 120A 0.52 V @ 240A 0.33 V @ 120A 0.45 V @ 240A TJ = 25 °C TJ = 75 °C 40 mA TJ = 25 °C 2000 mA TJ = 100 °C 1780 mA TJ = 100 °C VR = 12V 1080 mA TJ = 100 °C VR = 5V 7700 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C 7.0 nH From top of terminal hole to mounting plane 10,000 V/ µs VR = rated VR (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters 125NQ Units Conditions TJ Max. Junction Temperature Range -55 to 125 Tstg Max. Storage Temperature Range -55 to 150 °C RthJC Max. Thermal Resistance Junction to Case 0.40 °C/W DCoperation RthCS Typical Thermal Resistance, Case to 0.15 °C/W Mounting surface , smooth and greased °C * See Fig. 4 Heatsink wt Approximate Weight T MountingTorque Min. Max. 25.6 (0.9) g (oz.) 40 (35) 58 (50) TerminalTorque Min. 58 (50) Max. Case Style 2 Non-lubricated threads Kg-cm (Ibf-in) 86 (75) HALF PAK Module www.irf.com 125NQ015(R) Bulletin PD-2.275 rev. B 02/01 ReverseCurrent - I (mA) R 10000 100 T =100°C J 1000 75°C 100 50°C 25°C 10 1 0 5 15 10 ReverseVoltage- VR(V) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T =100°C J T = 75°C J 10000 T = 25°C J 10 1 0 .1 .2 .3 .4 .5 .6 JunctionCapacitance- C (pF) T InstantaneousForwardCurrent - IF (A) 1000 .7 T =25°C J 1000 0 .8 5 10 15 20 25 30 ReverseVoltage- V (V) R ForwardVoltageDrop- VFM(V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 1 - Maximum Forward Voltage Drop Characteristics Thermal Impedance- ZthJC (°C/W ) 1 D=0.50 .1 D=0.33 D=0.25 P DM D=0.17 t 1 t2 D=0.08 .01 Notes: 1. Dutyfactor D= t1/ t 2 SinglePulse (Thermal Resistance) .001 .00001 .0001 .001 2. PeakTJ=P DMxZthJC+TC .01 .1 1 10 100 t , Rectangular PulseDuration(Seconds) 1 Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 125NQ015(R) Bulletin PD-2.275 rev. B 02/01 60 125NQ015 RthJC (DC) =0.40°C/W 100 AveragePower Loss- (W atts) AllowableCaseTemperature- (°C) 105 95 90 DC 85 80 75 0 25 50 75 D=0.08 D=0.17 50 D=0.25 D=0.33 40 D=0.50 30 RMSLimit 20 10 0 0 100 125 150 175 DC 25 50 75 100 125 150 175 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 Non-Repetitive Surge Current - I FSM (A) 10000 At Any Rated Load Condition And With Rated VRRM Applied Following Surge 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