PD-2.224 rev. C 09/98 120NQ...(R) SERIES 120 Amp SCHOTTKY RECTIFIER D-67 Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM range IFSM @ tp = 5 s sine VF @ 120Apk, TJ=125C TJ range Description/Features 120NQ...(R) Units The 120NQ...(R) high current Schottky rectifier module series has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 150 C junction temperature. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. 120 A 35 to 45 V 150 C TJ operation 29,000 A Unique high power, Half-Pak module Replaces two parallel DO-5's 0.52 V - 55 to 150 C Easier to mount and lower profile than DO-5's High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability 120NQ045 Lug Terminal Anode Base Cathode 120NQ045R Lug Terminal Cathode Base Anode Outline D-67 HALF PAK Module Dimensions in millimeters and (inches) www.irf.com 1 120NQ...(R) Series PD-2.224 rev. C 09/98 Voltage Ratings Part number VR 120NQ035(R) 120NQ040(R) 120NQ045(R) 35 40 45 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 120NQ Units IF(AV) Max. Average Forward Current * See Fig. 5 IFSM 120 Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 A 29,000 1550 Conditions 50% duty cycle @ T C = 106 C, rectangular wave form 5s Sine or 3s Rect. pulse A EAS Non-Repetitive Avalanche Energy 81 mJ IAR Repetitive Avalanche Current 12 A 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied TJ = 25 C, IAS= 12 Amps, L = 1.12 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM 120NQ Units Max. Forward Voltage Drop (1) * See Fig. 1 IRM Conditions 0.57 V @ 120A 0.73 V @ 240A 0.52 V @ 120A 0.69 V @ 240A Max. Reverse Leakage Current (1) 10 mA T J = 25 C * See Fig. 2 500 mA T J = 125 C VF(TO) Threshold Voltage 0.32 V T J = TJ max. m TJ = 25 C TJ = 125 C VR = rated VR rt Forward Slope Resistance 1.37 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/ s dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300s, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters 120NQ Units TJ Max. Junction Temperature Range -55 to 150 C Conditions T stg Max. Storage Temperature Range -55 to 150 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 25.6 (0.9) g (oz.) T Mounting Torque Min. 17 (15) Terminal Torque Max. Min. 29 (25) 23 (20) Max. Case Style 2 Non-lubricated threads Kg-cm (Ibf-in) 46 (40) HALF PAK Module www.irf.com 120NQ...(R) Series PD-2.224 rev. C 09/98 10000 Reverse Current - I R (mA) 100 1000 T J = 150C 125C 100 100C 10 75C 1 50C 25C 0.1 0.01 0 5 10 15 20 25 30 35 40 45 Reverse Voltage - V R (V) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 10000 TJ = 150C Junction Capacitance - C T (pF) Instantaneous Forward Current - I F (A) 1000 TJ = 125C 10 TJ = 25C T J = 25C 1000 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0 1 10 20 30 40 50 Reverse Voltage - V R (V) Forward Voltage Drop - V FM (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 1 - Maximum Forward Voltage Drop Characteristics Thermal Impedance Z thJC (C/W) 1 0.1 D= D= D= D= D= 0.75 0.50 0.33 0.25 0.20 PDM 0.01 t Single Pulse (Thermal Resistance) Notes: 1 t2 1. Duty factor D = t 1 / t 2 2. Peak TJ = PDM x Z thJC+ T C 0.001 0.00001 0.0001 0.001 0.01 0.1 1 10 100 t 1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 120NQ...(R) Series 160 100 150 90 Average Power Loss - (Watts) Allowable Case Temperature - (C) PD-2.224 rev. C 09/98 140 130 DC 120 110 Square wave (D = 0.50) 80% Rated V R applied 100 90 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 80 70 RMS Limit 60 DC 50 40 30 20 10 see note (2) 80 0 0 20 40 60 80 100 120 140 160 180 0 Average Forward Current - I F(AV) (A) 20 40 60 80 100 120 140 160 180 Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics Non-Repetit iv e Surge Current - I FSM (A) 100000 At Any Rated Load Condition And With Rated V RRM Applied Following Surge 10000 1000 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current L IRFP460 DUT Rg = 25 ohm CURRENT MONITOR HIGH-SPEED SWITCH FREE-WHEEL DIODE + Vd = 25 Volt 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit (2) Formula used: T C = TJ - (Pd + PdREV) x R thJC ; Pd = Forward Power Loss = I F(AV) x VFM @ (IF(AV) / D) (see Fig. 6); Pd REV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com