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| Bulletin PD-2.296 rev. B 02/01 245NQ015(R) SCHOTTKY RECTIFIER 240 Amp D-67 Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s sine VF TJ @ 240 Apk, TJ= 75C range Description/Features 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. 125C 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 245NQ015(R) Units 240 15 20,000 0.34 - 55 to 125 A V A V C 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 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 245NQ015 15 25 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current 245NQ Units 240 20,000 3000 9 2 A Conditions 50% duty cycle @ TC = 70 C, rectangular wave form 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied A mJ A TJ = 25 C, IAS = 2 Amps, L = 4.5 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 3 x VR typical Electrical Specifications Parameters VFM Max. Forward Voltage Drop * See Fig. 1 (1) 245NQ Units 0.40 0.51 0.34 0.44 V V V V mA mA mA mA pF nH V/ s @ 240A @ 480A @ 240A @ 480A TJ = 25 C TJ = 100 C TJ = 100 C TJ = 100 C Conditions TJ = 25 C TJ = 75 C VR = rated VR VR = 12V VR = 5V IRM Max. Reverse Leakage Current (1) * See Fig. 2 80 4000 3560 2160 CT LS Max. Junction Capacitance Typical Series Inductance 15,800 5.0 10,000 VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 C From top of terminal hole to mounting plane dv/dt Max. Voltage Rate of Change (Rated VR) Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range (1) Pulse Width < 300s, Duty Cycle < 2% 245NQ Units -55 to 125 -55 to 150 0.20 0.15 C C C/W C/W DC operation Conditions RthJC Max. Thermal Resistance Junction to Case RthCS Typical Thermal Resistance, Case to Heatsink wt T Approximate Weight Mounting Torque Terminal Torque Case Style Min. Max. Min. Max. * See Fig. 4 Mounting surface , smooth and greased 25.6 (0.9) g (oz.) 40 (35) 58 (50) 58 (50) 86 (75) HALF PAK Module Kg-cm (Ibf-in) Non-lubricated threads 2 www.irf.com 245NQ015 Bulletin PD-2.296 rev. B 02/01 10 00 100 00 T =1 0 C 0 J R v rs C rre t - I (m ) ee e u n A R 10 00 7 5C 5 0C 2 5C 1 0 10 0 In ta ta e u F rw rdC rre t - IF (A s n nos o a un ) 10 0 1 0 5 1 0 5 1 T =1 0 C 0 J T= 7 5C J T= 2 5C J 1 0 R v rs V lta e- V (V ee e o g R) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 100 000 J n tio C p c n e- C (p ) u c n a a ita c F T T =2 5C J 100 00 1 0 .1 .2 .3 .4 .5 .6 10 00 0 5 1 0 1 5 2 0 2 5 3 0 F rw rdV lta eD p- V (V oa o g ro ) F M R v rs V lta e- V (V ee e o g ) R Fig. 1 - Maximum Forward Voltage Drop Characteristics 1 T e a Im e a c - Zth C( /W h rm l p d n e C) J Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage .1 D=0 0 .5 D=0 3 .3 D=0 5 .2 D=0 7 .1 P D M t 1 t2 .0 1 D=0 8 .0 S g P ls in le u e (T e a R s ta c ) h rm l e is n e N te : os 1 D tyfa to D= t / t .u cr 12 2 P a T =P xZ . ek +T JD J M th C C .1 1 1 0 10 0 .0 1 0 .0 0 1 00 .0 0 01 .0 1 0 .0 1 t , R c n u r P ls D ra n(S c n s e ta g la u e u tio eod) 1 Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 245NQ015 Bulletin PD-2.296 rev. B 02/01 10 1 A w b C s T m ea re- ( ) llo a le a e e p r tu C 2 5 Q1 4N 05 Rth C (D ) =0 0C C .2 /W J 10 2 10 0 D=0 8 .0 D=0 7 .1 D=0 5 .2 D=0 3 .3 .5 8 D=0 0 0 6 0 4 0 2 0 0 0 R SL it M im D C 10 0 9 0 D C 8 0 7 0 0 5 0 10 10 20 20 30 30 0 5 0 5 0 5 A e g P w rL s - ( a ) v ra e o e o s W tts 5 0 10 10 20 20 30 30 0 5 0 5 0 5 A e g F rw rdC rre t - IF V (A v ra e o a un (A ) ) A e g F rw rdC rre t - I v ra e o a un (A ) FV (A ) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current 100000 Fig. 6 - Forward Power Loss Characteristics Non-Repetitive Surge Current - I FSM At Any Rated Load Condition And With Rated V RRM Applied Following Surge (A) 10000 1000 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current L H IG H -SPE ED SW IT C H FRE E-W H EEL D IO D E 40H FL40S02 V d = 25 V olt D UT IRFP460 Rg = 2 5 oh m + C UR RE N T M O N ITO R Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com |
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