PD-2.273 rev. A 12/97 95SQ015 SCHOTTKY RECTIFIER 9 Amp Description/Features Major Ratings and Characteristics Characteristics The 95SQ015 axial leaded Schottky rectifier has been optimized for ultra low forward voltage drop specifically for the ORing 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 redundantpower subsystems. 95SQ015 Units 9 A 15 V IFSM @ tp = 5 µs sine 2900 A 100° C TJ operation Optimized for OR-ing applications VF @ 9 Apk, TJ = 75°C 0.25 V Ultra low forward voltage drop High frequency operation TJ range - 55 to 100 °C Guard ring for enhanced ruggedness and long term reliability IF(AV) Rectangular waveform VRRM High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance CASE STYLE AND DIMENSIONS Conforms to JEDEC Outline DO - 204AR Dimensions in millimeters and inches www.irf.com 1 95SQ015 PD-2.273 rev. A 12/97 Voltage Ratings Part number VR 95SQ015 Max. DC Reverse Voltage (V) 15 VRWM Max. Working Peak Reverse Voltage (V) 25 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive 95SQ Units 9 A 2900 Conditions 50% duty cycle @ TC = 55° C, rectangular wave form 5µs Sine or 3µs Rect. pulse A Surge Current * See Fig. 7 400 EAS Non-Repetitive Avalanche Energy 4.50 mJ IAR Repetitive Avalanche Current 1 A 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS= 1 Amps, L = 9 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. V A = 3 x VR typical Electrical Specifications Parameters VFM Max. Forward Voltage Drop 95SQ Units (1) * See Fig. 1 IRM Max. Reverse Leakage Current (1) * See Fig. 2 Conditions 0.31 V @ 9A 0.37 V @ 18A 0.25 V @ 9A 0.31 V @ 18A TJ = 25 °C TJ = 75 °C 7 mA TJ = 25 °C 348 mA TJ = 100 °C 310 mA TJ = 100 °C VR = 12V 190 mA TJ = 100 °C VR = 5V VR = rated VR CT Max. Junction Capacitance 1300 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C LS Typical Series Inductance 10.0 nH Measured lead to lead 5mm from 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 95SQ Units TJ Max. Junction Temperature Range -55 to 100 °C Tstg Max. Storage Temperature Range -55 to 100 °C RthJL Max. Thermal Resistance Junction to Lead 8.0 °C/W RthJA Typical Thermal Resistance, Junction to Air 44 °C/W wt Approximate Weight Case Style 2 Conditions DCoperation * See Fig. 4 1/8 inch lead leangth 1.4(0.049) g (oz.) DO - 204AR JEDEC www.irf.com 95SQ015 PD-2.273 rev. A 12/97 1000 ReverseCurrent - I (mA) R 10 T =100°C J 100 75°C 10 50°C 25°C 1 .1 0 .2 .3 .4 15 T = 75°C J Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 10000 1 .1 10 ReverseVoltage- VR(V) T = 25°C J .1 0 5 T =100°C J JunctionCapacitance- C (pF) T InstantaneousForwardCurrent - I (A) F 100 .5 .6 .7 T =25°C J 1000 100 0 .8 5 10 15 20 25 30 Reverse Voltage -VR(V) ForwardVoltageDrop- VFM(V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 1 - Maximum Forward Voltage Drop Characteristics Thermal Impedance- ZthJL (°C/W) 10 D=0.50 D=0.33 D=0.25 1 =1/8 inch D=0.17 P DM D=0.08 t 1 t2 .1 Notes: 1. Dutyfactor D= t1/ t2 Single Pulse (Thermal Resistance) .01 .00001 .0001 .001 2. PeakTJ=P DMxZthJL+TC .01 .1 1 10 100 t1, RectangularPulseDuration(Seconds) Fig. 4 - Maximum Thermal Impedance ZthJL Characteristics www.irf.com 3 95SQ015 PD-2.273 rev. A 12/97 3.5 95SQ015 RthJL (DC) =8.0°C/W 100 AveragePower Loss -(W atts) AllowableCaseTemperature- (°C) 105 95 90 DC 85 80 75 70 0 =1/8 inch 2 4 6 8 10 12 D=0.08 3 D=0.17 D=0.25 D=0.33 2.5 D=0.50 2 1.5 RMSLimit DC 1 .5 0 0 14 2 4 6 8 10 12 14 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 (A) 10000 Non-Repetitive Surge Current - I FSM At Any Rated Load Condition And With Rated VRRM Applied Following Surge 1000 100 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current L DUT IRFP460 Rg = 25 ohm CURRENT MONITOR HIGH-SPEED SWITCH FREE-WHEEL DIODE + Vd = 25 Volt 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com