Bulletin PD-2.177 rev. D 07/01 301CNQ... SERIES 300 Amp SCHOTTKY RECTIFIER TO-244AB Description/Features Major Ratings and Characteristics Characteristics IF(AV) Rectangular The 301CNQ 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, plating power supplies, UPS systems, converters, free-wheeling diodes, welding, and reverse battery protection. 301CNQ... Units 300 A VRRM range 35 to 45 V IFSM @ tp = 5 µs sine 16,000 A 0.59 V waveform VF @ 150Apk, TJ=125°C TJ range 175 °C TJ operation Center tap module High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Low forward voltage drop (per leg) - 55 to 175 High frequency operation °C Guard ring for enhanced ruggedness and long term reliability 208CMQ060 80.01 [3.150] 40.26 [1.585] 39.75 [1.565] COMMON CATHODE 2X Ø 7.49 [.295] 6.99 [.275] 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 Ø 3.35 [.132] 3.02 [.119] Modified JEDEC Outline TO-244AB Dimensions in millimeters and (inches) 1 301CNQ... Series Bulletin PD-2.177 rev. D 07/01 Voltage Ratings Part number VR 301CNQ035 301CNQ040 301CNQ045 35 40 45 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 301CNQ Units Conditions IF(AV) Max. Average Forward Current 300 A 50% duty cycle @ TC = 81 °C, rectangular wave form A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive 16,000 Surge Current (Per Leg) * See Fig. 7 3200 EAS Non-Repetitive Avalanche Energy (Per Leg) 202 mJ IAR Repetitive Avalanche Current (Per Leg) 30 A 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 IRM 301CNQ Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Conditions 0.69 0.90 0.59 V V V @ 150A @ 300A @ 150A 0.76 V @ 300A Max. Reverse Leakage Current 10 mA TJ = 25 °C (Per Leg) * See Fig. 2 90 mA TJ = 125 °C (1) TJ = 25 °C TJ = 100 °C VR = rated VR CT Max. Junction Capacitance (Per Leg) 5200 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C LS Typical Series Inductance (Per Leg) 7.0 nH From top of terminal hole to mounting plane 10,000 V/ µs dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 301CNQ 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) 0.40 °C/W DC operation RthJC Max. Thermal Resistance Junction to Case (Per Package) 0.20 °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. Terminal Torque Min. Max. Case Style 0.10 °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 Modified JEDEC www.irf.com 301CNQ... Series Bulletin PD-2.177 rev. D 07/01 1000 1000 Reverse Current - I R (mA) 100 100 150°C 125°C 10 100°C 1 75°C 50°C .1 25°C .01 .001 0 T =125°C J 10000 T = 25°C J 10 .2 .4 .6 .8 1 10 15 20 25 30 35 40 45 Reverse Voltage - V R (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) T =175°C J 1 0 5 Junction Capacitance - C T (pF) Instantaneous Forward Current - I F (A) T =175°C J T =25°C J 1000 0 1.2 1.4 1.6 1.8 Forward Voltage Drop - V FM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) 10 20 30 40 50 Reverse Voltage - V R (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Thermal Impedance Z thJC (°C/W) 1 D=0.50 .1 D=0.33 D=0.25 P DM D=0.17 t 1 t2 D=0.08 .01 Notes: 1. Dutyfactor D= t1/ t2 SinglePulse (Thermal Resistance) .001 .00001 .0001 .001 2. PeakT =P xZ +T J DM thJC C .01 .1 1 10 100 t 1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 301CNQ... Series Bulletin PD-2.177 rev. D 07/01 140 301CNQ RthJC (DC) =0.40°C/W 170 Average Power Loss (Watts) Allowable Case Temperature (°C) 180 160 150 DC 140 130 120 110 0 40 80 120 160 200 D=0.08 120 D=0.17 D=0.25 D=0.33 100 D=0.50 80 60 RMSLimit 40 20 0 0 240 Average Forward Current - IF(AV) (A) 25 50 75 100 125 150 175 200 225 Average Forward Current - IF (AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Non-Repetitive Surge Current - I FSM (A) DC Fig. 6 - Forward Power Loss Characteristics (Per Leg) 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 - Max. Non-Repetitive Surge Current (Per Leg) L D UT IRFP460 Rg = 2 5 oh m C UR RE N T M O N ITO R H IG H -SPE ED SW IT C H FRE E-W H EEL D IO D E + V d = 25 V olt 40H FL40S02 Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com 301CNQ... Series Bulletin PD-2.177 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