Bulletin PD-2.021 rev. E 11/02 51HQ... SERIES 60 Amp SCHOTTKY RECTIFIER TO-203AB (DO-5) Major Ratings and Characteristics Description/ Features Characteristics 51HQ... Units IF(AV) Rectangular 60 A VRRM range 35 to 45 V IFSM @ tp = 5 µs sine 10,800 A 0.58 V - 65 to 150 °C waveform VF @ 60 Apk, TJ = 125°C TJ range The 51HQ Schottky rectifier series has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 150° C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 150° C TJ operation Very 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 51HQ... Series Bulletin PD-2.021 rev. E 11/02 Voltage Ratings Part number VR 51HQ035 51HQ040 51HQ045 Max. DC Reverse Voltage (V) 35 VRWM Max. Working Peak Reverse Voltage (V) 40 45 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 51HQ Units 60 A 10,800 1150 A EAS Non-Repetitive Avalanche Energy 81 mJ IAR Repetitive Avalanche Current 12 A Conditions 50% duty cycle @ TC = 96 °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 = 12 Amps, L = 1.12 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters 51HQ Units 0.65 V @ 60A 0.83 V @ 120A 0.58 V @ 60A 0.74 V @ 120A 5 mA TJ = 25 °C * See Fig. 2 200 mA TJ = 125 °C CT Max. Junction Capacitance 2600 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C LS Typical Series Inductance 7.5 nH Measured from top of terminal to mounting plane 10000 V/ µs VFM Max. Forward Voltage Drop (1) * See Fig. 1 IRM Max. Reverse Leakage Current (1) dv/dt Max. Voltage Rate of Change Conditions TJ = 25 °C TJ = 125 °C VR = rated VR (Rated VR) (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters 51HQ Units °C Conditions TJ Max. Junction Temperature Range -65 to 150 Tstg Max. Storage Temperature Range -65 to 150 °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 15 (0.53) g (oz.) Min. Max. Case Style 2 23 (20) 46 (40) Kg-cm Non-lubricated threads (Ibf-in) DO-203AB(DO-5) JEDEC www.irf.com 51HQ... Series Bulletin PD-2.021 rev. E 11/02 1000 1000 Reverse Current - I R (mA) T J = 150°C 100°C 75°C 1 50°C 0.1 25°C 0 5 15 20 25 30 35 40 45 Reverse Voltage - V R (V) T J = 125°C Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T J = 25°C 10000 1 0 10 T = 150°C J 10 0.1 125°C 10 0.01 Junction Capacitance - CT (pF) Instantaneous Forward Current - I F (A) 100 100 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 T J= 25°C 1000 100 1.1 0 10 Forward Voltage Drop - V FM (V) 20 30 40 50 Reverse Voltage - VR (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 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 = t1 / 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 1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 51HQ... Series Bulletin PD-2.021 rev. E 11/02 60 R thJC (DC) = 0.83°C/W 150 Average Power Loss - (Watts) Allowable Case Temperature - (°C) 160 140 130 DC 120 110 100 90 0 10 20 30 40 50 60 70 80 50 40 30 RMS Limit DC 20 10 0 90 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 0 10 20 30 40 50 60 70 80 90 Average Forward Current - I F(AV) (A) Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics Non-Repetitive Surge Current - I FSM (A) 10000 1000 At Any Rated Load Condition And With Rated V RRM Applied Following Surge 100 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 51HQ... Series Bulletin PD-2.021 rev. E 11/02 Data and specifications subject to change without notice. This product has been designed 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