Bulletin PD-2.263 rev. D 07/01 401CNQ... SERIES 400 Amp SCHOTTKY RECTIFIER TO-244AB Description/Features Major Ratings and Characteristics Characteristics IF(AV) Rectangular 401CNQ... Units 400 A 35 to 45 V 25,000 A High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance 0.56 V Low forward voltage drop High frequency operation - 55 to 175 °C waveform VRRM range 175° C TJ operation Center tap module IFSM @ tp = 5 µs sine VF @200 Apk, TJ= 125°C TJ range (per leg) 80.01 [3.150] 40.26 [1.585] 39.75 [1.565] COMMON CATHODE 2X Ø 7.49 [.295] 6.99 [.275] 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 The 401CNQ 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 175° C junction temperature. Typical applications are in high current switching power supplies, 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 401CNQ... Series Bulletin PD-2.263 rev. D 07/01 Voltage Ratings Part number VR 401CNQ035 401CNQ040 401CNQ045 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 401CNQ Units Conditions (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 50% duty cycle @ TC = 145 °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 401CNQ Units Conditions Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) IRM Max. Reverse Leakage Current CT (Per Leg) * See Fig. 2 (1) Max. Junction Capacitance (Per Leg) LS Typical Series Inductance (Per Leg) dv/dt Max. Voltage Rate of Change (Rated VR) 0.67 0.78 0.56 V V V @ 200A @ 400A @ 200A 0.68 V @ 400A 20 mA 180 10,300 mA pF VR = rated VR TJ = 125 °C VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C 5.0 nH From top of terminal hole to mounting plane 10000 V/ µs TJ = 25 °C TJ = 25 °C (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 401CNQ Units Conditions TJ Max. Junction Temperature Range -55 to 175 Tstg Max. Storage Temperature Range -55 to 175 °C °C RthJC Max. Thermal Resistance Junction to Case (Per Leg) 0.20 °C/W DCoperation RthJC Max. Thermal Resistance Junction to Case (Per Package) 0.10 °C/W DCoperation RthCS Typical Thermal Resistance, Case to Heatsink wt Approximate Weight 0.10 °C/W Mounting surface , smooth and greased T Mounting Torque Base Mounting Torque Center Hole Terminal Torque Case Style 2 Min. Max. Typ. Min. Max. 79 (2.80) * See Fig. 4 g (oz.) 24(20) 35 (30) Kg-cm 13.5 (12) (Ibf-in) 35 (30) 46 (40) TO - 244AB Modified JEDEC www.irf.com 401CNQ... Series Bulletin PD-2.263 rev. D 07/01 1000 10000 T J = 175˚C Reverse Current - I R (mA) 1000 TJ = 175˚C 125˚C 10 100˚C 1 75˚C 50˚C 0.1 25˚C 0.01 0.001 0 10 TJ = 125˚C 20 30 40 50 Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage 10000 TJ = 25˚C Junction Capacitance - C T (pF) Instantaneous Forward Current - I F (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) 10 20 30 40 50 60 Reverse Voltage - V R (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 0.001 0.01 1. Duty factor D = t1 / t2 2. Peak TJ = PDM x Z thJC + TC 0.1 1 10 100 t 1, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 401CNQ... Series 180 175 160 150 Average Power Loss (Watts) Allowable Case Temperature (°C) Bulletin PD-2.263 rev. D 07/01 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 URRE NT M O N ITO R H IG H-SPE ED SW ITC H FR EE-W H E EL D IO D E + V d = 25 V olt 40H FL40 S02 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 401CNQ... Series Bulletin PD-2.263 rev. D 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