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| Bulletin PD-20481 10/01 300CNQ... SERIES SCHOTTKY RECTIFIER 300 Amp TO-244AB Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM range IFSM @ tp = 5 s sine VF TJ @ 150Apk, TJ=125C (per leg) range Description/Features The 300CNQ 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. 150 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 10.41 [.410] 9.65 [.380] 300CNQ... Units 300 35 to 45 27000 0.62 - 55 to 150 A V A V C 80.01 [3.150] 40.26 [1.585] 39.75 [1.565] COMMON CATHODE O 20.32 [.800] 17.78 [.700] LUG TERMINAL ANODE 1 LUG TERMINAL ANODE 2 2X O 7.49 [.295] 6.99 [.275] 34.925 [1.375] REF. 63.50 [2.500] 60.96 [2.400] O 4.95 [.195] 4.70 [.185] 1/4-20 SLOTTED HEX BASE COMMON CATHODE 23.55 [.927] 20.42 [.804] 15.75 [.620] 14.99 [.590] 3.35 [.132] 3.02 [.119] 92.71 [3.650] 90.17 [3.550] NOTES: 1. DIMENSIONS ARE SHOWN IN MILLIMETERS [INCHES]. 2. CONTROLLING DIMENSION: MILLIMETER Modified JEDEC Outline TO-244AB Dimensions in millimeters and (inches) www.irf.com 1 300CNQ... Series Bulletin PD-20481 10/01 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 300CNQ035 35 300CNQ040 40 300CNQ045 45 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM EAS IAR * See Fig. 5 (Per Leg) (Per Device) 300CNQ Units 150 300 27000 2400 150 30 A mJ A A Conditions 50% duty cycle @ TC = 104 C, rectangular wave form 5s Sine or 3s Rect. pulse Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied TJ = 25 C, IAS = 30 Amps, L = 0.67 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) Electrical Specifications Parameters VFM Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) 300CNQ Units 0.61 0.77 0.62 0.75 15 750 7750 6.0 10000 V V V V mA mA pF nH V/ s @ 150A @ 300A @ 150A @ 300A Conditions TJ = 25 C TJ = 125 C VR = rated VR IRM CT LS Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1) Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) (Rated VR) TJ = 25 C TJ = 125 C VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C From top of terminal hole to mounting plane dv/dt Max. Voltage Rate of Change (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range 300CNQ Units - 55 to 150 - 55 to 150 0.30 0.15 0.10 79 (2.80) Min. Max. Typ. Min. Max. C C Conditions 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 T Approximate Weight Mounting Torque Base Mounting Torque Center Hole Terminal Torque Case Style C/W DC operation C/W DC operation * See Fig. 4 C/W Mounting surface , smooth and greased g (oz.) 24 (20) 35 (30) Kg-cm 13.5 (12) (Ibf-in) 35 (30) 46 (40) TO - 244AB Modified JEDEC 2 www.irf.com 300CNQ... Series Bulletin PD-20481 10/01 1000 (mA) 10000 Tj = 150C 1000 100 10 1 0.1 0.01 0 5 125C 100C 75C 50C 25C Instantaneous Forward Current - I 100 Reverse Current - I F (A) R 10 15 20 25 30 35 40 45 Reverse Voltage - VR (V) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 10000 10 (pF) Tj = 25C Tj = 150C Tj = 125C Tj = 25C 1 0 0.2 Forward Voltage Drop - VFM (V) Junction Capacitance - C T 1000 0.4 0.6 0.8 1 1.2 1.4 0 Fig. 1 - Maximum Forward Voltage Drop Characteristics Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 5 10 15 20 25 30 35 40 45 1 (C/W) D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 thJC Thermal Impedance Z 0.1 PDM t1 0.01 Single Pulse (Thermal Resistance) t2 Notes: 1. Duty factor D = t1/ t2 2. Peak Tj = Pdm x ZthJC + Tc 0.001 0.00001 0.0001 0.001 0.01 0.1 1 10 t1, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z thJC Characteristics www.irf.com 3 300CNQ... Series Bulletin PD-20481 10/01 160 Allowable Case Temperature (C) 140 Average Power Loss (Watts) 150 140 130 120 110 100 Square wave (D = 0.50) 90 80% Rated Vr applied 80 70 see note (2) 60 0 50 100 150 200 F(AV) 120 100 RMS Limit DC DC 80 60 40 20 0 0 50 100 150 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 250 (A) 200 F(AV) 250 (A) Average Forward Current - I Average Forward Current - I Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics (A) 100000 At Any Rated Load Condition And With Rated Vrrm Applied Following Surge Non-Repetitive Surge Current - I FSM 10000 1000 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) (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 300CNQ... Series Bulletin PD-20481 10/01 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. 10/01 www.irf.com 5 This datasheet has been download from: www..com Datasheets for electronics components. |
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