Bulletin PD-2.290 rev. B 03/01 124NQ...(R) SERIES SCHOTTKY RECTIFIER 120 Amp D-67 Major Ratings and Characteristics Characteristics IF(AV) Rectangular Description/Features 124NQ...(R) Units 120 A VRRM range 35 to 45 V IFSM @ tp = 5 µs sine 27,000 A 0.52 V - 55 to 125 °C waveform VF @120Apk,TJ=100°C TJ range The 124NQ... (R) high current Schottky rectifier modules have been optimized for extremely low forward voltage drop, with higher leakage. The proprietary barrier technology allows for reliable operation up to 125° C junction temperature. Typical applications are in switching power supplies, converters, freewheeling diodes, welding, and reverse battery protection. 125° C TJ operation Unique high power Half Pak module High purity, high temperature epoxy encapsulation for en hanced mechanical strength and moisture resistance Extremely low forward voltage drop High frequency operation Guard ring enhanced ruggedness and long term reliability 124NQ045 Lug Terminal Anode Base Cathode 124NQ045R Lug Terminal Cathode Base Anode Outline D-67 HALF PAK Module Dimensions in millimeters and (inches) www.irf.com 1 124NQ... Series Bulletin PD-2.290 rev. B 03/01 Voltage Ratings Part number VR 124NQ035 124NQ040 124NQ045 35 40 45 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 124NQ Units IF(AV) Max. Average Forward Current * See Fig. 5 IFSM 120 Max. Peak One Cycle Non-Repetitive 27,000 A A Surge Current * See Fig. 7 2400 EAS Non-Repetitive Avalanche Energy 135 mJ IAR Repetitive Avalanche Current 20 A Conditions 50% duty cycle @ TC = 76° 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 = 20 Amps, L = 0.67 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM 124NQ Units Max. Forward Voltage Drop (1) Conditions 0.54 V @ 120A 0.71 V @ 240A 0.52 V @ 120A 0.71 V @ 240A 10 mA TJ = 25 °C * See Fig. 2 1200 mA TJ = 125 °C CT Max. Junction Capacitance 5200 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C LS Typical Series Inductance 7.0 nH From top of terminal hole to mounting plane 10,000 V/ µs * See Fig. 1 IRM Max. Reverse Leakage Current (1) dv/dt Max. Voltage Rate of Change (Rated VR) TJ = 25 °C TJ = 100 °C VR = rated VR (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters 124NQ Units TJ Max. Junction Temperature Range -55 to 125 Tstg Max. Storage Temperature Range Conditions °C -55 to 125 °C RthJC Max. Thermal Resistance Junction to Case 0.40 °C/W DC operation 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 Terminal Torque Case Style 2 25.6 (0.9) g (oz.) Min. 40 (35) Max. 58 (50) Min. Max. 58 (50) 86 (75) Non-lubricated threads Kg-cm (Ibf-in) HALF PAK Module www.irf.com 124NQ... Series Bulletin PD-2.290 rev. B 03/01 1000 1000 ReverseCurrent - I (mA) R 100 100 100°C 75°C 10 50°C 1 25°C .1 .01 0 5 10 15 20 25 30 35 40 45 ReverseVoltage- VR(V) T =125°C J Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T =100°C J 10000 T = 25°C J JunctionCapacitance- C (pF) T InstantaneousForwardCurrent - I (A) F T =125°C J 10 1 0 .1 .2 .3 .4 .5 .6 .7 .8 .9 T =25°C J 1000 0 1 1.1 10 ForwardVoltageDrop- V (V) FM 20 30 40 50 ReverseVoltage- VR(V) Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Thermal Impedance- ZthJC (°C/W ) 1 .1 D=0.50 D=0.33 D=0.25 P DM D=0.17 t 1 t2 D=0.08 Notes: 1. Dutyfactor D= t1/ t2 .01 SinglePulse (Thermal Resistance) .001 .00001 .0001 .001 2. PeakT =P xZ +T J DM thJC C .01 .1 1 10 100 t1, Rectangular PulseDuration(Seconds) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 124NQ... Series Bulletin PD-2.290 rev. B 03/01 100 124NQ RthJC (DC) =0.40°C/W 120 AveragePower Loss- (Watts) AllowableCaseTemperature- (°C) 130 110 DC 100 90 80 0 25 50 D=0.08 D=0.17 80 D=0.25 D=0.33 D=0.50 60 RMSLimit 20 0 0 100 125 150 175 75 DC 40 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 (A) 100000 Non-Repetitive Surge Current - I FSM 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 R g = 25 oh m C URRE NT M O N ITO R H IG H-SPE ED SW ITC H FRE E-W H EEL D IO D E + V d = 25 V olt 40H FL40 S02 Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com