PD-2.313 rev. A 12/97 6CWQ03F 6CWQ04F SCHOTTKY RECTIFIER 6.6 Amp Major Ratings and Characteristics Description/Features Characteristics 6CWQ..F Units I F(AV) Rectangular 6.6 A 30/40 V I FSM @ tp = 5 µs sine 470 A VF 0.55 V - 40 to 125 °C waveform VRRM @ 3 Apk, TJ = 25°C (per leg) TJ The 6CWQ..F surface mount, center tap, Schottky rectifier has been designed for applications requiring low forward drop and small foot prints on PC boards. Typical applications are in disk drives, switching power supplies, converters, freewheeling diodes, battery charging, and reverse battery protection. Popular D-PAK outline Center tap configuration Small foot print, surface mountable Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability CASE STYLE AND DIMENSIONS D - PAK Outline (Similar to TO-252AA) Dimensions in millimeters and inches www.irf.com 1 6CWQ03F, 6CWQ04F PD-2.313 rev. A 12/97 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 6CWQ03F 6CWQ04F 30 40 Absolute Maximum Ratings Parameters 6CWQ..F Units IF(AV) Max. Average Forward Current 6.6 A Conditions 50% duty cycle @ TC = 97 °C, rectangular wave form * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive 470 Surge Current (Per Leg) * See Fig. 7 42 A 5µs Sine or 3µs Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated V RRMapplied Electrical Specifications Parameters VFM IRM 6CWQ..F Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Conditions 0.55 0.71 0.50 V V V @ 3A @ 6A @ 3A 0.63 V @ 6A Max. Reverse Leakage Current 3 mA TJ = 25 °C (Per Leg) * See Fig. 2 20 mA TJ = 125 °C (1) T J = 25 °C TJ = 125 °C VR = rated VR CT Typical Junction Capacitance (Per Leg) 180 pF VR = 5VDC , (test signal range 100Khz to 1Mhz) 25°C LS Typical Series Inductance (Per Leg) 5.0 nH Measured lead to lead 5mm from package body 10,000 V/ µs dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 6CWQ..F Units TJ Max. Junction Temperature Range -40 to 125 °C Tstg Max. Storage Temperature Range -40 to 125 °C RthJC Max. Thermal Resistance Junction to Case 5.0 °C/W DCoperation RthJA Max. Thermal Resistance Junction to Ambient 80 °C/W DCoperation PC Board mounted print land = 20x20mm wt Approximate Weight Case Style 2 Conditions 0.3 (0.01) * See Fig. 4 g (oz.) D - PAK Similar to TO-252AA www.irf.com 6CWQ03F, 6CWQ04F PD-2.313 rev. A 12/97 100 ReverseCurrent - I (mA) R 10 10 T =125°C J 1 100°C 75°C .1 50°C .01 25°C .001 .0001 0 5 10 15 20 25 30 35 40 ReverseVoltage - VR(V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) T =125°C J T = 25°C J 1000 JunctionCapacitance- C (pF) T Instantaneous ForwardCurrent - I (A) F 100 1 .1 .1 .2 .3 .4 .5 .6 .7 .8 .9 T =25°C J 100 10 0 1 1.1 1.2 1.3 5 10 15 20 25 30 35 40 45 ForwardVoltage Drop - V (V) FM ReverseVoltage- VR(V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Fig. 1 - Max. Forward Voltage Drop Characteristics (PerLeg) Thermal Impedance- Z (°C/W ) thJC 10 D=0.50 1 D=0.33 D=0.25 P DM D=0.17 t 1 t2 D=0.08 .1 Notes: 1. Dutyfactor D= t1/ t2 Single Pulse (Thermal Resistance) .01 .00001 .0001 .001 .01 2. PeakT =P x Z +T J DM thJC C .1 1 10 100 t1, Rectangular Pulse Duration(Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 6CWQ03F, 6CWQ04F PD-2.313 rev. A 12/97 3 RthJC(DC) =5.0°C/W Average Power Loss- (Watts) AllowableCaseTemperature -(°C) 130 125 120 DC 115 110 0 1 2 3 4 D=0.08 D=0.17 D=0.25 D=0.33 2 D=0.50 2.5 DC 1.5 RMSLimit 1 .5 0 0 .5 1 1.5 2 2.5 3 3.5 4 4.5 5 5 AverageForwardCurrent - I AverageForwardCurrent - IF(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) F(AV) (A) Fig. 6 - Forward Power Loss Characteristics (PerLeg) Non-Repetitive Surge Current - I FSM (A) 1000 100 At Any Rated Load Condition And With Rated V Applied RRM Following Surge 10 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) 4 www.irf.com