Bulletin PD-20551 rev. E 03/03 50WQ03FN 5.5 Amp SCHOTTKY RECTIFIER D-Pak (TO-252AA) Major Ratings and Characteristics Characteristics Description/ Features 50WQ03FN Units IF(AV) Rectangular The 50WQ03FN surface mount 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. 5.5 A VRRM 30 V IFSM @ tp = 5 µs sine 320 A Low forward voltage drop VF @ 5 Apk, TJ = 125°C 0.35 V High frequency operation Guard ring for enhanced ruggedness and long term reliability TJ range - 40 to 150 °C waveform Popular D-PAK outline Small foot print, surface moutable 2.38 (0.09) 6.73 (0.26) 2.19 (0.08) 6.35 (0.25) 1.14 (0.04) MINIMUM RECOMMENDED FOOTPRINT 0.89 (0.03) 5.46 (0.21) 1.27 (0.05) 0.58 (0.02) 5.21 (0.20) 0.88 (0.03) 0.46 (0.02) 5.97 (0.24) 4 6.45 (0.24) 6.22 (0.24) 1.64 (0.02) 5.97 (0.23) 5.68 (0.22) 6.48 (0.26) 10.42 (0.41) 10.67 (0.42) 9.40 (0.37) 1 2 3 0.51 (0.02) MIN. 1.52 (0.06) 2x 2.54 (0.10) 1.15 (0.04) 2x 1.14 (0.04) 3x 0.89 (0.03) 0.64 (0.02) 0.76 (0.03) 2.28 (0.09) 2x 4.57 (0.18) 1 2 3 4 0.58 (0.02) 1.65 (0.06) 0.46 (0.02) 2x Base Cathode - Anode - Cathode - Anode - Cathode Conform to JEDEC outline D-Pak (Similar to TO-252AA) Dimensions in millimeters and (inches) www.irf.com 2.28 (0.09) 2x 4, 2 1 3 Anode Anode 1 50WQ03FN Bulletin PD-20551 rev. E 03/03 Voltage Ratings Part number VR 50WQ03FN Max. DC Reverse Voltage (V) 30 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 50WQ... IF(AV) Max. Average Forward Current 5.5 Units A Conditions 50% duty cycle @ TC = 136°C, rectangular wave form * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive 320 Surge Current * See Fig. 7 130 A 5µs Sine or 3µs Rect. pulse 10ms Sine or 6ms Rect. pulse EAS Non-Repetitive Avalanche Energy 10 mJ IAR Repetitive Avalanche Current 2.0 A 50WQ... Units Max. Forward Voltage Drop 0.46 V @ * See Fig. 1 0.53 V @ 10A 0.35 V @ 0.46 V @ 10A Max. Reverse Leakage Current 3 mA TJ = 25 °C * See Fig. 2 58 mA TJ = 125 °C TJ = TJ max. 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 (1) (1) Conditions 5A 5A 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 50W... TJ Max. Junction Temperature Range (*) -40 to 150 Tstg Max. Storage Temperature Range RthJC Max. Thermal Resistance Junction to Case wt Approximate Weight Case Style (*) dPtot dTj 2 < 1 Rth( j-a) -40 to 150 3.0 0.3 (0.01) D - PAK Units Conditions °C °C °C/W DC operation * See Fig. 4 g (oz.) Similar to TO-252AA thermal runaway condition for a diode on its own heatsink www.irf.com 50WQ03FN Bulletin PD-20551 rev. E 03/03 Reverse Current - I R (mA) 1000 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 - V R (V) 10 Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 1000 TJ = 150°C Junct ion Ca pacitanc e - C T (pF) Instantaneous Forward Current - I F (A) 100 TJ = 125°C TJ = 25°C TJ = 25°C 100 1 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 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 Z thJC (°C/ W) 10 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 0.1 0.01 0.00001 0.0001 0.001 t2 Notes: Single Pulse (Thermal Resistance) 1. Duty factor D = t 1/ t 2 2. Peak TJ = PDM x Z thJC+ TC 0.01 0.1 1 t 1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 50WQ03FN Bulletin PD-20551 rev. E 03/03 3.5 DC 145 Average Power Loss - (Wa tts) Allowable Case Temperature - (°C) 150 140 135 Square wave (D = 0.50) 80% Rated V R applied 130 125 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 3 2.5 2 RMSLimit DC 1.5 1 0.5 se e note (2) 120 0 0 1 2 3 4 5 6 7 8 0 Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Non-Repetitive Surge Current - I FSM (A) 1 2 3 4 5 6 7 8 Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics 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 (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 50WQ03FN Bulletin PD-20551 rev. E 03/03 Marking Information 4 (K) INTERNATIONAL EXAMPLE: THIS IS A 50WQ03FN PART NUMBER RECTIFIER LOGO 50WQ03FN 712A 5K3A ASSEMBLY 2 (K) LOT CODE 1 (A) DATE CODE (YWWA) Y = YEAR W W = WEEK A = LINE 3 (A) Tape & Reel Information TR 4.1 (0.16) 3.9 (0.15) 1.85 (0.07) DIA. 1.65 (0.06) 2.1 (0.83) 1.9 (0.07) 1.85 (0.07) 1.65 (0.06) 0.35 (0.01) 0.25 (0.01) 7.6 (0.30) 7.4 (0.29) FEED DIRECTION 12.1 (0.48) 11.9 (0.47) 4.1 (0.16) 3.9 (0.15) TRR 2.1 (0.83) 1.9 (0.07) 2.6 (0.10) DIA. 1.5 (0.06) 1.85 (0.07) DIA. 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.6 (0.30) 7.4 (0.29) FEED DIRECTION 8.1 (0.32) 7.9 (0.31) 4.1 (0.16) 3.9 (0.15) TRL 2.1 (0.83) 1.9 (0.07) 2.6 (0.10) DIA. 1.5 (0.06) 1.85 (0.07) DIA. 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.6 (0.30) 7.4 (0.29) FEED DIRECTION 13 (0.52) DIA. 8.1 (0.32) 7.9 (0.31) 2.6 (0.10) DIA. 1.5 (0.06) 7.0 (0.28) 6.8 (0.26) 16.3 (0.64) 15.7 (0.62) 2.75 (0.11) 2.55 (0.10) 0.35 (0.01) 0.25 (0.01) 10.6 (0.42) 10.4 (0.41) 16.3 (0.64) 15.7 (0.62) 2.75 (0.11) 2.55 (0.10) 0.35 (0.01) 0.25 (0.01) 10.6 (0.42) 10.4 (0.41) 16.3 (0.64) 15.7 (0.62) 2.75 (0.11) 2.55 (0.10) 22.4 (0.88) TO-252AA Tape & Reel 375 (14.17) DIA. MAX. www.irf.com 50 (1.97) DIA. When ordering, indicate the part number, part orientation, and the quantity. Quantities are in multiples of 2,000 pieces per reel for TR and multiples of 3,000 pieces per reel for both TRL and TRR. 5 50WQ03FN Bulletin PD-20551 rev. E 03/03 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. 03/03 6 www.irf.com