PD-2.275 rev. A 12/97 125NQ015 SCHOTTKY RECTIFIER 120 Amp Major Ratings and Characteristics Characteristics IF(AV) Rectangular Description/Features 125NQ015 Units 120 A 15 V 10,800 A 100 °C TJ operation Unique high power, Half-Pak module 0.33 V Optimized for OR-ing applications Ultra low forward voltage drop - 55 to 100 °C waveform VRRM IFSM @ tp = 5 µs sine VF @ 120 Apk, TJ= 75°C TJ range The 125NQ015 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 100 °C junction temperature. Typical applications are in parallel switching power supplies, converters, reverse battery protection, and redundant power subsystems. 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 CASE STYLE AND DIMENSIONS Outline HALF PAK Module Dimensions in millimeters and inches www.irf.com 1 125NQ015 PD-2.275 rev. A 12/97 Voltage Ratings Part number VR 125NQ015 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 A 10,800 1700 Conditions 50% duty cycle @ TC = 71° C, rectangular wave form 5µs Sine or 3µs Rect. pulse A EAS Non-Repetitive Avalanche Energy 9 mJ IAR Repetitive Avalanche Current 2 A 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 V R 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 TJ Max. Junction Temperature Range -55 to 100 Tstg Max. Storage Temperature Range Conditions °C -55 to 100 °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 * See Fig. 4 Heatsink wt Approximate Weight T Mounting Torque Min. Max. 40 (35) 58 (50) Terminal Torque Min. Max. 58 (50) 86 (75) Case Style 2 25.6 (0.9) g (oz.) Non-lubricated threads Kg-cm (Ibf-in) HALF PAK Module www.irf.com 1000 100 10 1 0 .1 .2 .3 .4 T =100°C J T = 75°C J .6 T = 25°C J .5 ForwardVoltageDrop- VFM(V) 1 .1 .01 D=0.50 D=0.33 D=0.25 D=0.17 .001 .7 .8 .1 10000 1000 100 10 1 0 T =100°C J 75°C 50°C 25°C 5 125NQ015 15 PD-2.275 rev. A 12/97 10 ReverseVoltage- VR (V) 10 T =25°C J 15 20 ReverseVoltage- V (V) R 100 25 Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 5 3 30 Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 10000 1000 0 DM P t 1 t2 Notes: 1. Dutyfactor D= t1/ t2 10 2. Peak T =P xZ +T J DM thJC C 1 Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics .0001 Single Pulse (Thermal Resistance) D=0.08 .001 .00001 ReverseCurrent -I (mA) R JunctionCapacitance- C (pF) T t , Rectangular Pulse Duration(Seconds) 1 .01 Fig. 1 - Maximum Forward Voltage Drop Characteristics Thermal Impedance-Z (°C/W ) thJC www.irf.com InstantaneousForwardCurrent -I (A) F 125NQ015 105 100 95 90 85 80 75 0 25 50 100 125 150 175 DC 125NQ015 RthJC (DC) =0.40°C/W 75 AverageForwardCurrent - IF(AV) (A) (A) Non-Repetitive Surge Current - I FSM 10000 L 100 IRFP460 1000 25 RMSLimit 60 D=0.08 D=0.17 50 D=0.25 D=0.33 40 D=0.50 30 20 10 0 0 50 75 DC 100 125 150 175 AverageForwardCurrent - I (A) F(AV) + www.irf.com Vd = 25 Volt Fig. 6 - Forward Power Loss Characteristics 10000 FREE-WHEEL DIODE 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit Rg = 25 ohm HIGH-SPEED SWITCH Fig. 7 - Maximum Non-Repetitive Surge Current Square Wave Pulse Duration - t p (microsec) 1000 10 At Any Rated Load Condition And With Rated VRRM Applied Following Surge Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current DUT CURRENT MONITOR AveragePower Loss -(W atts) PD-2.275 rev. A 12/97 4 AllowableCaseTemperature- (°C)