Bulletin PD-20581 rev. A 07/01 408CNQ060 SCHOTTKY RECTIFIER 400 Amp TO-244AB Major Ratings and Characteristics Characteristics Description/Features 408CNQ... Units IF(AV) Rectangular 400 A VRRM range 60 V 25,500 A 0.59 V waveform IFSM @ tp = 5 µs sine VF @200Apk, TJ=125°C (per leg) TJ range °C 80.01 [3.150] 40.26 [1.585] 39.75 [1.565] COMMON CATHODE 7.49 [.295] 6.99 [.275] Center tap module High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance High frequency operation Guard ring for enhanced ruggedness and long term reliability Ø 10.41 [.410] 9.65 [.380] 20.32 [.800] 17.78 [.700] 34.925 [1.375] REF. 63.50 [2.500] 60.96 [2.400] 23.55 [.927] 20.42 [.804] Ø LUG TERMINAL ANODE 1 LUG TERMINAL ANODE 2 4.95 [.195] 4.70 [.185] 1/4-20 SLOTTED HEX BASE COMMON CATHODE 15.75 [.620] 14.99 [.590] 92.71 [3.650] 90.17 [3.550] NOTES: 1. DIMENSIONS ARE SHOWN IN MILLIMETERS [INCHES]. 2. CONTROLLING DIMENSION: MILLIMETER www.irf.com 150 °C TJ operation Low forward voltage drop - 55 to 150 2X Ø The 408CNQ center tap Schottky rectifier module series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 150 °C junction temperature. Typical applications are in high current switching power supplies, plating power supplies, UPS systems, converters, free-wheeling diodes, welding, and reverse battery protection. 3.35 [.132] 3.02 [.119] Modified JEDEC Outline TO-244AB Dimensions in millimeters and (inches) 1 408CNQ060 Bulletin PD-20581 rev. A 07/01 Voltage Ratings Part number 408CNQ060 VR Max. DC Reverse Voltage (V) 60 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM EAS IAR * See Fig. 5 408CNQ Units Conditions (Per Leg) 200 (Per Device) 400 Max. Peak One Cycle Non-Repetitive 25,500 Surge Current (Per Leg) * See Fig. 7 3,300 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) A 50% duty cycle @ TC = 115 °C, rectangular wave form A Following any rated 5µs Sine or 3µs Rect. pulse load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 15 mJ 1 A TJ = 25 °C, IAS = 1 Amps, L = 30 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM IRM 408CNQ Units Conditions Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) 0.68 0.83 0.59 V V V @ 200A @ 400A @ 200A 0.76 V @ 400A Max. Reverse Leakage Current 2.2 mA TJ = 25 °C (Per Leg) * See Fig. 2 600 mA TJ = 125 °C 11000 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C 5.0 nH From top of terminal hole to mounting plane 10000 V/ µs (1) CT Max. Junction Capacitance (Per Leg) LS Typical Series Inductance (Per Leg) dv/dt Max. Voltage Rate of Change (Rated VR) TJ = 25 °C TJ = 125 °C VR = rated VR (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 408CNQ Units Conditions 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 to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink wt Approximate Weight T Mounting Torque Min. Max. Mounting Torque Center Hole Typ. TerminalTorque Min. Max. Case Style 2 °C °C 0.20 °C/W DCoperation * See Fig. 4 0.10 °C/W DCoperation 0.10 °C/W Mounting surface , smooth and greased 79 (2.80) g (oz.) 24(20) Kg-cm (Ibf-in) 35 (30) 13.5 (12) 35 (30) 46 (40) TO-244AB Modified JEDEC www.irf.com 408CNQ060 Bulletin PD-20581 rev. A 07/01 1000 Reverse Current - I R (mA) 100 TJ = 150˚C 125˚C 100 100˚C 10 75˚C 1 50˚C 0.1 25˚C 0.01 0 10 20 30 40 50 60 Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage T J = 150˚C T = 125˚C J 100000 T = 25˚C J Junction Capacitance - CT (pF) Instantaneous Forward Current - IF (A) 1000 10 T = 25˚C J 10000 1000 1 0 0.2 0.4 0.6 0.8 1 1.2 Forward Voltage Drop - VFM (V) 0 1.4 10 20 30 40 50 60 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 1 - Max. Forward Voltage Drop Characteristics Thermal Impedance ZthJC (°C/W) 1 0.1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 0.01 t2 Notes: 1. Duty factor D = t1/ t2 Single Pulse (Thermal Resistance) 2. Peak Tj = Pdm x ZthJC + Tc .001 0.00001 0.0001 0.001 0.01 0.1 1 10 t1, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 408CNQ060 Bulletin PD-20581 rev. A 07/01 200 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 180 150 Average Power Loss (Watts) Allowable Case Temperature (°C) 160 140 DC 130 120 Square wave (D = 0.50) 80% Rated Vr applied 110 100 see note (2) 160 140 120 RMS Limit 100 DC 80 60 40 20 90 0 0 50 100 150 200 250 300 0 Average Forward Current - I F(AV)(A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current Non-Repetitive Surge Current - I FSM (A) 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 - tp (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 408CNQ060 Bulletin PD-20581 rev. A 07/01 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. 07/01 www.irf.com 5