Bulletin PD-2.246 rev. C 11/02 75HQ... SERIES SCHOTTKY RECTIFIER 75 Amp TO-203AB (DO-5) Description/ Features Major Ratings and Characteristics Characteristics 75HQ... Units IF(AV) Rectangular 75 A 30 to 45 V IFSM @ tp = 5 µs sine 9000 A VF @ 75 Apk, TJ = 125°C 0.63 V TJ range - 65 to 175 °C waveform VRRM range The 75HQ Schottky rectifier 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 switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 175 °C TJ operation Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability Hermetic packaging Conforms to JEDEC Outline DO-203AB (DO-5) Dimensions in millimeters and (inches) www.irf.com 1 75HQ... Series Bulletin PD-2.246 rev. C 11/02 Voltage Ratings Part number VR 75HQ030 75HQ035 75HQ040 75HQ045 30 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 75HQ Units 75 A Max. Peak One Cycle Non-Repetitive 9000 A Surge Current * See Fig. 7 1180 EAS Non-Repetitive Avalanche Energy 101 mJ IAR Repetitive Avalanche Current 15 A Conditions 50% duty cycle @ TC = 117 °C, rectangular wave form 5µs Sine or 3µs Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS = 15 Amps, L = 0.9 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM 75HQ Units 0.71 V @ 75A 0.88 V @ 150A 0.63 V @ 75A 0.78 V @ 150A Max. Reverse Leakage Current (1) 5 mA TJ = 25 °C * See Fig. 2 45 mA TJ = 125 °C 2600 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C 7.5 nH Measured from top of terminal to mounting plane 10000 V/ µs Max. Forward Voltage Drop (1) * See Fig. 1 IRM CT Max. Junction Capacitance LS Typical Series Inductance dv/dt Max. Voltage Rate of Change (Rated VR) Conditions TJ = 25 °C TJ = 125 °C VR = rated VR (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications 75HQ Units TJ Max. Junction Temperature Range Parameters -65 to 175 °C Conditions Tstg Max. Storage Temperature Range -65 to 175 °C RthJC Max. Thermal Resistance Junction to Case 0.83 °C/W DC operation RthCS Typical Thermal Resistance, Case to 0.25 °C/W Mounting surface , smooth and greased * See Fig. 4 Heatsink wt Approximate Weight T Mounting Torque Case Style 2 15 (0.53) g (oz.) Min. 23 (20) Max. 46 (40) Kg-cm Non-lubricated threads (Ibf-in) DO-203AB(DO-5) JEDEC www.irf.com 75HQ... Series Bulletin PD-2.246 rev. C 11/02 1000 1000 TJ = 175°C Reverse Current - I R (mA) 100 125°C 1 100°C 75°C 0.1 10 10 15 20 25 30 35 40 45 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage 10000 1 0.4 5 T = 125°C T J = 25°C 0.2 0 T = 175°C J 0 25°C Reverse Voltage - V R (V) J 0.1 50°C 0.01 0.001 Junction Capacitance - C T (pF) Instantaneous Forward Current - I F (A) 100 150°C 10 0.6 0.8 TJ = 25°C 1000 100 1 0 10 20 30 40 50 Reverse Voltage - VR (V) Forward Voltage Drop - VFM (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 1 - Maximum Forward Voltage Drop Characteristics Thermal Impedance - Z thJC (°C/W) 1 D = 0.50 D = 0.33 D = 0.25 0.1 D = 0.17 PDM D = 0.08 0.01 Notes: 1. Duty factor D = t 1 / t 2 2. Peak TJ = PDM x Z thJC+ T C Single Pulse (Thermal Resistance) 0.001 0.00001 t1 t2 0.0001 0.001 0.01 0.1 1 10 100 t , Rectangular Pulse Duration (Seconds) 1 Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 75HQ... Series Bulletin PD-2.246 rev. C 11/02 70 R thJC (DC) = 0.83°C/W 170 Average Power Loss - (Watts) Allowable Case Temperature - (°C) 180 160 150 140 DC 130 120 110 100 0 20 40 60 80 100 50 40 RMS Limit 30 10 0 20 40 60 80 100 120 Average Forward Current - I F(AV) (A) Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Non-Repetitive Surge Current - I FSM (A) DC 20 0 120 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 60 10000 At Any Rated Load Condition And With Rated VRRM Applied Following Surge 1000 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current L DUT IRFP460 Rg = 25 ohm CURRENT MONITOR HIGH-SPEED SWITCH FREE-WHEEL DIODE + Vd = 25 Volt 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com 75HQ... Series Bulletin PD-2.246 rev. C 11/02 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. 11/02 www.irf.com 5