Bulletin PD-20735 rev. B 08/01 401CMQ... SERIES SCHOTTKY RECTIFIER 400 Amp TO-244AB Isolated Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM range IFSM @ tp = 5 µs sine VF @ 200 Apk, TJ = 125°C TJ Description/Features 401CMQ... Units 400 A 35 to 45 V 25,000 A 0.56 V (per leg) range - 55 to 175 °C The 401CMQ center tap, high current, Schottky rectifier module series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 175° C junction temperature. Typical applications are in high current switching power supplies, converters, free-wheeling diodes, welding and reverse battery protection. 175° C TJ operation Center tap module High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance 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 401CMQ... Series Bulletin PD-20735 rev. B 08/01 Voltage Ratings Part number VR 401CMQ035 401CMQ040 401CMQ045 35 40 45 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM 401CMQ Units (Per Leg) 200 (PerDevice) 400 Max. Peak One Cycle Non-Repetitive 25,000 A A Surge Current (Per Leg) * See Fig. 7 3450 EAS Non-Repetitive Avalanche Energy (Per Leg) 270 mJ IAR Repetitive Avalanche Current (Per Leg) 40 A Conditions 50% duty cycle @ TC = 116 °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 = 0.34 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM 401CMQ Units Conditions 0.67 0.78 0.56 V V V @ 200A @ 400A @ 200A 0.68 V @ 400A Max. Reverse Leakage Current 20 mA TJ = 25 °C (Per Leg) * See Fig. 2 180 mA TJ = 125 °C Max. Junction Capacitance (Per Leg) 10,300 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C LS Typical Series Inductance (Per Leg) dv/dt Max. Voltage Rate of Change VRMS Insulation Voltage 5.0 10000 1000 IRM CT Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) (1) TJ = 25 °C TJ = 125 °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 VR = rated VR 401CMQ Units TJ Max. Junction Temperature Range -55 to 175 Tstg Max. Storage Temperature Range -55 to 175 Conditions °C °C RthJC Max. Thermal Resistance Junction to Case (Per Leg) 0.4 °C/W DC operation RthJC Max. Thermal Resistance Junction to Case (Per Package) 0.2 °C/W DC operation RthCS Typical Thermal Resistance, Case to Heatsink wt Approximate Weight T Mounting Torque Base Min. Max. Mounting Torque Center Hole Typ. TerminalTorque Min. Max. Case Style 0.1 °C/W Mounting surface , smooth and greased 2 * See Fig. 4 79 (2.80) g (oz.) 24(20) 35 (30) Kg-cm 13.5 (12) (Ibf-in) 35 (30) 46 (40) TO - 244AB isolated Modified JEDEC www.irf.com 401CMQ... Series Bulletin PD-20735 rev. B 08/01 1000 10000 T J = 175˚C Reverse Current - I R (mA) 1000 125˚C 10 100˚C 1 75˚C 50˚C 0.1 25˚C 0.01 TJ = 175˚C 0.001 0 TJ = 125˚C 10 20 30 40 50 Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage 10000 TJ = 25˚C Junction Capacitance - CT (pF) Instantaneous Forward Current - IF (A) 100 150˚C 100 10 T = 25˚C J 1000 1 0 0.3 0.6 0.9 0 1.2 Forward Voltage Drop - VFM (V) 20 40 60 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 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 Notes: Single Pulse (Thermal Resistance) 0.001 0.00001 0.0001 1. Duty factor D = t1 / t2 2. Peak TJ = PDM x ZthJC + TC 0.001 0.01 0.1 1 t 1, Rectangular Pulse Duration (Seconds) 10 100 Fig. 4 - Max. Thermal Impedance Z thJC Characteristics (Per Leg) www.irf.com 3 401CMQ... Series 180 175 160 150 Average Power Loss (Watts) Allowable Case Temperature (°C) Bulletin PD-20735 rev. B 08/01 DC 140 120 100 Square wave (D = 0.50) 80 80% Rated VR applied 60 125 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 100 75 RMS Limit DC 50 25 see note (2) 40 0 100 200 0 300 0 Average Forward Current - I F(AV)(A) 50 100 150 200 250 300 Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics Non-Repetitive Surge Current - I FSM (A) 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 401CMQ... Series Bulletin PD-20735 rev. B 08/01 Ordering Information Table Device Code 401 C M Q 045 1 2 3 4 5 1 - Current Rating: 400A 2 - Common Cathode 3 - Module 4 - Schottky Q Series 035 = 35V 5 - Voltage Rating: 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