Bulletin PD-20734 rev. B 08/01 400CMQ... SERIES 400 Amp SCHOTTKY RECTIFIER TO-244AB Isolated Description/Features Major Ratings and Characteristics Characteristics IF(AV) Rectangular 400CMQ... Units 400 A 35 to 45 V waveform VRRM range IFSM @ tp = 5 µs sine VF @200Apk, TJ=125°C TJ range 29,000 A 0.52 V - 55 to 150 °C (per leg) The 400CMQ 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, free-wheeling diodes, welding, and reverse battery protection. 150 °C TJ operation Center tap module - Isolated Base 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 LUG TERMINAL ANODE 3 LUG TERMINAL ANODE 1 COMMON CATHODE 2 ISOLATED BASE Modified JEDEC Outline TO-244AB Isolated Dimensions in millimeters and (inches) www.irf.com 1 400CMQ... Series Bulletin PD-20734 rev. B 08/01 Voltage Ratings Part number 400CMQ035 400CMQ040 400CMQ045 35 40 45 V R Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM * See Fig. 5 400CMQ Units (Per Leg) 200 (PerDevice) 400 Max. Peak One Cycle Non-Repetitive 29,000 A A Surge Current (Per Leg) * See Fig. 7 3400 EAS Non-Repetitive Avalanche Energy (Per Leg) 180 mJ IAR Repetitive Avalanche Current (Per Leg) 40 A Conditions 50% duty cycle @ TC = 78 °C, rectangular wave form Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 5µs Sine or 3µs Rect. pulse TJ = 25 °C, IAS = 40 Amps, L = 0.22 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM 400CMQ Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) 0.57 V @ 200A 0.73 0.52 V V @ 400A @ 200A 0.68 V @ 400A IRM Max. Reverse Leakage Current VF(TO) (Per Leg) * See Fig. 2 Threshold Voltage rt Forward Slope Resistance CT Max. Junction Capacitance (Per Leg) LS Typical Series Inductance (Per Leg) dv/dt Max. Voltage Rate of Change 5.0 10000 VRMS Insulation Voltage 1000 (1) Conditions TJ = 25 °C TJ = 125 °C 20 mA TJ = 25 °C 800 0.32 mA V TJ = 125 °C TJ = TJ max. 0.81 mΩ 10,300 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C nH From top of terminal hole to mounting plane V/ µs (Rated VR) V (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 400CMQ Units TJ Max. Junction Temperature Range -55 to 150 Tstg Max. Storage Temperature Range -55 to 150 RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction VR = rated VR Conditions °C °C 0.4 °C/W DC operation * See Fig. 4 0.2 °C/W DC operation 0.1 °C/W Mounting surface , smooth and greased to Case (Per Package) RthCS Typical Thermal Resistance, Case wt T to Heatsink Approximate Weight Mounting Torque Base Mounting Torque Center Hole TerminalTorque Case Style 2 Min. Max. Typ. Min. Max. 79 (2.80) g (oz.) 40(35) 58 (50) Kg-cm 17 (15) (Ibf-in) 58 (50) 86 (75) TO - 244AB isolated Modified JEDEC www.irf.com 400CMQ... Series Bulletin PD-20734 rev. B 08/01 10000 1000 T J = 150˚C Reverse Current - I R (mA) 100 TJ = 150˚C 125˚C 100 100˚C 10 75˚C 50˚C 1 25˚C 0.1 0.01 0 TJ = 125˚C 10 20 30 40 50 Reverse Voltage - V R (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage TJ = 25˚C 10000 Junction Capacitance - CT (pF) Instantaneous Forward Current - I F (A) 1000 10 1 0 0.3 0.6 0.9 T = 25˚C J 1000 1.2 0 10 20 30 40 50 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Forward Voltage Drop - V FM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics Thermal Impedance Z thJC (°C/W) 1 0.1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 t2 0.01 0.001 0.00001 Notes: Single Pulse (Thermal Resistance) 0.0001 0.001 0.01 1. Duty factor D = t1 / t2 2. Peak TJ = PDM x ZthJC + TC 0.1 1 10 100 t 1, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z thJC Characteristics (Per Leg) www.irf.com 3 400CMQ... Series Bulletin PD-20734 rev. B 08/01 180 RMS Limit Average Power Loss (Watts) Allowable Case Temperature (°C) 180 150 DC 120 90 60 Square wave (D = 0.50) 80% Rated VR applied 30 150 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 120 90 DC 60 30 see note (2) 0 0 100 200 0 300 0 Average Forward Current - I F(AV)(A) Non-Repetitive Surge Current - I FSM (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current 50 100 150 200 250 300 Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics 100000 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 - Max. Non-Repetitive Surge Current L IRFP460 D UT Rg = 25 ohm C UR RE N T M O N ITO R H IG H -SPE ED SW ITC H FREE-W HE EL D IO D E + V d = 25 V olt 40H FL40S02 Fig. 8 - Unclamped Inductive Test Circuit (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com 400CMQ... Series Bulletin PD-20734 rev. B 08/01 Ordering Information Table Device Code 400 C M Q 045 1 2 3 4 5 1 - Current Rating: 400A 2 - Common Cathode 3 - Module 4 - Schottky Q Series 5 - Voltage Rating: 035 = 35V 040 = 40V 045 = 45V Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 08/01 www.irf.com 5