Bulletin PD-2.279 rev. B 02/01 185NQ015 180 Amp SCHOTTKY RECTIFIER Major Ratings and Characteristics Characteristics Description/Features 185NQ015 Units The 185NQ015 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 180 A VRRM 15 V 15,000 A 0.34 V Ultra low forward voltage drop High frequency operation - 55 to 125 °C Guard ring for enhanced ruggedness and long term reliability waveform IFSM @ tp = 5 µs sine VF @ 180 Apk, TJ= 75°C TJ range 125°C TJ operation (VR < 5V) Unique high power, Half-Pak module Optimized for OR-ing applications 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 185NQ015 Bulletin PD-2.279 rev. B 02/01 Voltage Ratings Part number VR 185NQ015 Max. DC Reverse Voltage (V) 15 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 185NQ Units IF(AV) Max. Average Forward Current * See Fig. 5 IFSM 180 Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 15,000 2250 A A EAS Non-Repetitive Avalanche Energy 9 mJ IAR Repetitive Avalanche Current 2 A Conditions 50% duty cycle @ TC = 66° 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 185NQ Units Max. Forward Voltage Drop (1) * See Fig. 1 IRM Max. Reverse Leakage Current (1) * See Fig. 2 Conditions 0.40 V @ 180A 0.51 V @ 360A 0.34 V @ 180A 0.45 V @ 360A TJ = 25 °C TJ = 75 °C 60 mA TJ = 25 °C 3000 mA TJ = 100 °C 2670 mA TJ = 100 °C VR = 12V 1620 mA TJ = 100 °C VR = 5V VR = rated VR CT Max. Junction Capacitance 12,300 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C LS Typical Series Inductance 6.0 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 185NQ 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 0.30 °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. 25.6 (0.9) g (oz.) 40 (35) TerminalTorque Max. Min. 58 (50) 58 (50) Max. Case Style 2 Non-lubricated threads Kg-cm (Ibf-in) 86 (75) HALF PAK Module www.irf.com 185NQ015 Bulletin PD-2.279 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) T =100°C J Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T = 75°C J 100000 T = 25°C J JunctionCapacitance- C (pF) T InstantaneousForwardCurrent - IF (A) 1000 10 1 0 .1 .2 .3 .4 .5 T =25°C J 10000 1000 0 .6 5 10 15 20 25 30 ReverseVoltage- VR(V) 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 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/ t2 SinglePulse (Thermal Resistance) .001 .00001 .0001 .001 2. PeakT =P xZ +T J DM thJC C .01 .1 1 10 100 t , Rectangular PulseDuration(Seconds) 1 Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 185NQ015 Bulletin PD-2.279 rev. B 02/01 90 185NQ015 RthJC (DC) =0.30°C/W 100 AveragePower Loss - (Watts) AllowableCaseTemperature- (°C) 105 95 90 DC 85 80 75 70 0 D=0.08 80 D=0.17 D=0.25 70 D=0.33 60 D=0.50 50 RMSLimit DC 40 30 20 10 40 80 0 0 120 160 200 240 280 40 80 120 160 200 240 280 AverageForwardCurrent - I (A) F(AV) AverageForwardCurrent - I (A) F(AV) 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