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| Bulletin PD-20551 rev. E 03/03 50WQ03FN SCHOTTKY RECTIFIER 5.5 Amp D-Pak (TO-252AA) Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s sine VF TJ @ 5 Apk, TJ = 125C range 30 320 0.35 - 40 to 150 V A V C Description/ Features 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. Popular D-PAK outline Small foot print, surface moutable Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability 50WQ03FN Units 5.5 A 2.38 (0.09) 6.73 (0.26) 6.35 (0.25) 5.46 (0.21) 5.21 (0.20) 4 2.19 (0.08) 1.14 (0.04) 0.89 (0.03) 0.58 (0.02) 0.46 (0.02) MINIMUM RECOMMENDED FOOTPRINT 5.97 (0.24) 1.27 (0.05) 0.88 (0.03) 6.45 (0.24) 6.22 (0.24) 1.64 (0.02) 1 2 3 5.68 (0.22) 10.42 (0.41) 9.40 (0.37) 0.51 (0.02) MIN. 6.48 (0.26) 10.67 (0.42) 5.97 (0.23) 1.52 (0.06) 1.15 (0.04) 2x 1.14 (0.04) 0.76 (0.03) 2.28 (0.09) 2x 4.57 (0.18) 1 2 3 4 - Anode - Cathode - Anode - Cathode 3x 0.89 (0.03) 0.64 (0.02) 2x 2.54 (0.10) 1.65 (0.06) 2x 2.28 (0.09) 2x 0.58 (0.02) 0.46 (0.02) Base Cathode 4, 2 Conform to JEDEC outline D-Pak (Similar to TO-252AA) Dimensions in millimeters and (inches) 1 3 Anode Anode www.irf.com 1 50WQ03FN Bulletin PD-20551 rev. E 03/03 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) 30 VRWM Max. Working Peak Reverse Voltage (V) 50WQ03FN Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current 320 130 10 2.0 A mJ A 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied 50WQ... 5.5 Units A Conditions 50% duty cycle @ TC = 136C, rectangular wave form TJ = 25 C, IAS = 2.0 Amps, L = 5 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM Max. Forward Voltage Drop * See Fig. 1 (1) 50WQ... 0.46 0.53 0.35 0.46 Units V V V V mA mA V m Conditions @ @ 5A 5A @ 10A @ 10A TJ = 25 C TJ = 125 C TJ = TJ max. TJ = 25 C TJ = 125 C VR = rated VR IRM Max. Reverse Leakage Current * See Fig. 2 (1) 3 58 0.19 22.22 590 5.0 VF(TO) Threshold Voltage rt CT LS Forward Slope Resistance Typical Junction Capacitance Typical Series Inductance pF nH VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 C Measured lead to lead 5mm from package body (1) Pulse Width < 300s, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters TJ Tstg Max. Storage Temperature Range 50W... -40 to 150 3.0 0.3 (0.01) D - PAK Units C C C/W DC operation g (oz.) Conditions Max. Junction Temperature Range (*) -40 to 150 RthJC Max. Thermal Resistance Junction to Case wt Approximate Weight Case Style (*) dPtot dTj < 1 Rth( j-a) * See Fig. 4 Similar to TO-252AA thermal runaway condition for a diode on its own heatsink 2 www.irf.com 50WQ03FN Bulletin PD-20551 rev. E 03/03 100 1000 100 10 1 0.1 0.01 0.001 0 5 10 15 20 25 30 Reverse Voltage - V R (V) TJ= 150C 125C 100C 75C 50C 25C Instantaneous Forward Current - I F (A) 10 Reverse Current - I R (mA) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 1000 TJ = 150C TJ = 125C TJ = 25C Junct ion Ca pacitanc e - C T (pF) TJ = 25C 1 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 Forward Voltage Drop - VFM (V) 100 0 5 10 15 20 25 30 35 Reverse Voltage - VR (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics 10 T hermal Impedance Z thJC (C/ W) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 P DM 0.1 S ingle Pulse (T hermal Resistance) Notes: t1 t2 1. Duty factor D = t 1/ t 2 2. Peak T = PDM x Z thJC+ TC J 0.01 0.1 1 0.01 0.00001 0.0001 0.001 t 1 , Rectangular Pulse Duration (S econds) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 50WQ03FN Bulletin PD-20551 rev. E 03/03 150 Allowable Case T emperature - (C) 3.5 Average Power Loss - (Wa tts) DC 145 140 135 130 125 se e note (2) 3 2.5 2 1.5 1 0.5 0 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMSLimit DC S quare wave (D = 0.50) 80% Rated V R applied 120 0 1 2 3 4 5 6 7 8 Average Forward Current - I F(AV) (A) 0 1 2 3 4 5 6 7 8 Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current 1000 At Any Rated Load Condition And With Rated V RRM Applied Following S urge Fig. 6 - Forward Power Loss Characteristics Non-Repetitive S urge Current - I FS (A) M 100 10 100 1000 10000 S quare 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 EXAMPLE: THIS IS A 50WQ03FN INTERNATIONAL RECTIFIER LOGO 4 (K) PART NUMBER 50WQ03FN 712A 5K3A ASSEMBLY LOT CODE 1 (A) 3 (A) 2 (K) DATE CODE (YWWA) Y = YEAR W W = WEEK A = LINE Tape & Reel Information 4.1 (0.16) 3.9 (0.15) 2.1 (0.83) 1.9 (0.07) 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) 12.1 (0.48) 11.9 (0.47) 2.6 (0.10) DIA. 1.5 (0.06) 0.35 (0.01) 0.25 (0.01) TR 7.0 (0.28) 6.8 (0.26) 2.75 (0.11) 2.55 (0.10) 16.3 (0.64) 15.7 (0.62) FEED DIRECTION 4.1 (0.16) 3.9 (0.15) TRR 2.1 (0.83) 1.9 (0.07) 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) 0.35 (0.01) 0.25 (0.01) 10.6 (0.42) 10.4 (0.41) 2.75 (0.11) 2.55 (0.10) 16.3 (0.64) 15.7 (0.62) FEED DIRECTION 8.1 (0.32) 7.9 (0.31) 2.6 (0.10) DIA. 1.5 (0.06) 4.1 (0.16) 3.9 (0.15) TRL 2.1 (0.83) 1.9 (0.07) 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) 0.35 (0.01) 0.25 (0.01) 10.6 (0.42) 10.4 (0.41) 2.75 (0.11) 2.55 (0.10) 16.3 (0.64) 15.7 (0.62) FEED DIRECTION 8.1 (0.32) 7.9 (0.31) 2.6 (0.10) DIA. 1.5 (0.06) 13 (0.52) DIA. 22.4 (0.88) TO-252AA Tape & Reel 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. 375 (14.17) DIA. MAX. 50 (1.97) DIA. www.irf.com 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 |
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