Bulletin PD-20681 09/04 50UQ03G 5.5 Amp SCHOTTKY RECTIFIER IF(AV) = 5.5Amp VR = 30V Description/ Features Major Ratings and Characteristics Characteristics 50UQ03G Units The 50UQ03G I-PAK Schottky rectifier has been designed for applications requiring low forward drop and small foot prints on PC board. Typical applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. IF(AV) Rectangular waveform 5.5 A VRRM 30 V 150°C TJ operation IFSM @ tp = 5 µs sine 240 A Unique I-PAK outline Center tap configuration VF @ 5 Apk, TJ = 125°C 0.35 V TJ range - 40 to 150 °C Small foot print Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability Case Styles 50UQ03G Base Cathode 4, 2 1 3 Anode Anode I-PAK www.irf.com 1 50UQ03G Bulletin PD-20681 09/04 Voltage Ratings Part number VR 50UQ03G Max. DC Reverse Voltage (V) 30 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 50UQ... IF(AV) Max. Average Forward Current Units 5.5 A Conditions 50% duty cycle @ TC = 136°C, rectangular wave form * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive 240 Surge Current * See Fig. 7 100 5µs Sine or 3µs Rect. pulse A 10ms Sine or 6ms Rect. pulse EAS Non-Repetitive Avalanche Energy 10 mJ IAR Repetitive Avalanche Current 2.0 A 50UQ... Units Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS = 2.0 Amps, L = 5 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 Conditions Max. Forward Voltage Drop 0.46 V @ * See Fig. 1 0.53 V @ 10A 0.39 V @ 0.48 V @ 10A (1) 5A 5A Max. Reverse Leakage Current 1.1 mA TJ = 25 °C * See Fig. 2 58 mA TJ = 125 °C TJ = TJ max. (1) TJ = 25 °C TJ = 125 °C VR = rated VR VF(TO) Threshold Voltage 0.19 V rt Forward Slope Resistance 22.22 mΩ CT Typical Junction Capacitance 590 pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25 °C LS Typical Series Inductance 5.0 nH Measured lead to lead 5mm from package body (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters 50UQ... Units TJ Max. Junction Temperature Range (*) -40 to 150 °C Tstg Max. Storage Temperature Range °C RthJC Max. Thermal Resistance -40 to 150 3.0 Conditions °C/W DC operation * See Fig. 4 Junction to Case wt Approximate Weight Case Style I-Pak Device Marking (*) dPtot dTj 2 < 1 Rth( j-a) 0.3 (0.01) g (oz.) Similar to TO-251SL 50UQ03G thermal runaway condition for a diode on its own heatsink www.irf.com 50UQ03G Bulletin PD-20681 09/04 1000 Reverse Curent - I R (mA) TJ= 150°C 100 125°C 10 100°C 1 75°C 50°C 0.1 25°C 0.01 0.001 0 5 10 15 20 25 30 Reverse Voltage - VR (V) 10 Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 1000 Junct ion Ca pacitance - C T (pF) Instantaneous Forward Curent - IF (A) 100 Tj = 150˚C Tj = 125˚C Tj = 25˚C 1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 TJ = 25°C 100 1 1.1 0 5 10 15 20 25 30 Forward Voltage Drop - VFM (V) Reverse Voltage - VR (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 35 Thermal Impedance ZthJC (°C/W) 10 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 Single Pulse (Thermal Resistance) t2 Notes: 1. Duty factor D = t1/ t2 2. Peak Tj = Pdm x ZthJC + Tc 0.1 0.0001 0.001 0.01 0.1 t1, Rectangular Pulse Duration (Seconds) 1 Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 50UQ03G Bulletin PD-20681 09/04 3.5 DC 145 Average Power Loss (Watts) Allowable Lead Temperature (°C) 150 140 135 Square wave (D = 0.50) 130 80% Rated Vr applied 125 see note (2) 2.5 0 1 2 3 4 5 6 7 8 9 Average Forward Current - I F(AV) (A) Non-Repetitive Surge Current - IFSM (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current RMSLimit 2 DC 1.5 1 0.5 0 120 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 3 0 1 2 3 4 5 6 7 8 Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics 1000 100 At Any Rated Load Condition And With Rated Vrrm Applied Following Surge 10 10 100 1000 10000 Square Wave Pulse Duration - tp (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); Pd REV = Inverse Power Loss = VR1 x I R (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com 50UQ03G Bulletin PD-20681 09/04 Outline Table Base Cathode 4, 2 Modified JEDEC outline TO-262AA Dimensions in millimeters and (inches) 1 3 Anode Anode Marking Information PART NUMBER G = Schottky Generation EXAMPLE: THIS IS A 50UQ03G WITH LOT CODE 5K3A ASSEMBLED ON WW 12, 2000 IN ASSEMBLY LINE "A" www.irf.com INTERNATIONAL RECTIFIER LOGO 50UQ03G 012A 5K ASSEMBLY LOT CODE 3A DATE CODE (YWWA) YEAR 0 = 2000 WEEK 12 LINE A 5 50UQ03G Bulletin PD-20681 09/04 Ordering Information Table Device Code 50 U Q 03 G 1 2 3 4 5 1 - Current Rating 2 - Package 3 - Q = Schottky Q Series 4 - Voltage Rating: Code x 10 = VRRM (03 = 30V) 5 - Schottky Generation 3 U= I-PAK 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. 09/04 6 www.irf.com