PD-2.315 rev. A 12/97 6CWQ09F 6CWQ10F SCHOTTKY RECTIFIER 6.6 Amp Major Ratings and Characteristics Description/Features 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. Characteristics 6CWQ..F Units I F(AV) Rectangular 6.6 A 90/100 V Popular D-PAK outline Center tap configuration I FSM @ tp = 5 µs sine 210 A VF 0.85 V Small foot print, surface mountable Low forward voltage drop - 40 to 125 °C waveform VRRM @ 3 Apk, TJ = 25°C (per leg) TJ 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 6CWQ09F, 6CWQ10F PD-2.315 rev. A 12/97 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 6CWQ09F 6CWQ10F 90 100 Absolute Maximum Ratings Parameters 6CWQ..F Units IF(AV) Max. Average Forward Current 6.6 A Conditions 50% duty cycle @ TC = 94 °C, rectangular wave form * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive 210 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 VRRM applied Electrical Specifications Parameters VFM IRM 6CWQ..F Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Conditions 0.85 0.97 0.70 V V V @ 3A @ 6A @ 3A 0.79 V @ 6A Max. Reverse Leakage Current 1 mA TJ = 25 °C (Per Leg) * See Fig. 2 3 mA TJ = 125 °C (1) TJ = 25 °C T J = 125 °C VR = rated VR CT Typical Junction Capacitance (Per Leg) 100 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C LS Typical Series Inductance (Per Leg) 5.0 nH Measured lead to lead 5mmfrom 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 T stg Max. Storage Temperature Range -40 to 125 Conditions °C °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 * See Fig. 4 0.3 (0.01) g (oz.) D - PAK Similar to TO-252AA www.irf.com 6CWQ09F, 6CWQ10F PD-2.315 rev. A 12/97 Reverse Current -I (mA) R 10 1 T =125°C J .1 100°C 75°C .01 50°C .001 25°C .0001 0 20 T =125°C J 1 40 60 80 100 ReverseVoltage- VR(V) T = 25°C J Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 100 Junction Capacitance -C (pF) T Instantaneous Forward Current - I (A) F 10 .1 .4 .5 .6 .7 .8 .9 1 T =25°C J 10 0 1.1 20 ForwardVoltage Drop- V (V) FM 40 60 80 100 ReverseVoltage- V (V) R 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 6CWQ09F, 6CWQ10F PD-2.315 rev. A 12/97 4 RthJC (DC) =5.0°C/W 125 120 DC 115 D=0.08 D=0.17 D=0.25 D=0.33 D=0.50 3.5 AveragePowerLoss -(W atts) AllowableCaseTemperature -(°C) 130 110 3 2.5 DC 2 1.5 RMSLimit 1 .5 105 0 1 2 3 4 0 0 5 1 2 3 4 5 AverageForwardCurrent - I (A) F(AV) AverageForwardCurrent - IF(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) 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