PD-2.311 rev. A 12/97 50WQ05F 50WQ06F SCHOTTKY RECTIFIER 5.5 Amp Description/Features Major Ratings and Characteristics The 50WQ..F 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. Characteristics 50WQ..F Units I F(AV) Rectangular 5.5 A 50/60 V Popular D-PAK outline Small foot print, surface moutable 360 A Low forward voltage drop High frequency operation 0.70 V Guard ring for enhanced ruggedness and long term reliability - 40 to 125 °C waveform VRRM I FSM @ tp = 5 µs sine VF @ 5 Apk, TJ = 25°C TJ CASE STYLE AND DIMENSIONS D - PAK Outline (Similar to TO-252AA) Dimensions in millimeters and inches www.irf.com 1 50WQ05F, 50WQ05F PD-2.311 rev. A 12/97 Voltage Ratings Part number VR 50WQ05F 50WQ06F 50 60 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 50WQ..F Units IF(AV) Max. Average Forward Current * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 5.5 A 360 Conditions 50% duty cycle @ TC = 89 °C, rectangular wave form 5µs Sine or 3µs Rect. pulse A 42 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied Electrical Specifications Parameters VFM IRM 50WQ..F Units Conditions Max. Forward Voltage Drop 0.70 V @ 5A * See Fig. 1 1.07 V @ 10A 0.66 V @ 5A 0.80 V @ 10A Max. Reverse Leakage Current 3 mA TJ = 25 °C * See Fig. 2 30 mA TJ = 125 °C (1) (1) TJ = 25 °C TJ = 125 °C VR = rated VR CT Typical Junction Capacitance 150 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 50WQ..F Units TJ Max. Junction Temperature Range -40 to 125 Tstg Max. Storage Temperature Range -40 to 125 °C 6.0 °C/W RthJC Max. Thermal Resistance Junction to Case wt Approximate Weight Case Style 2 Conditions °C DCoperation * See Fig. 4 0.3 (0.01) g (oz.) D - PAK Similar to TO-252AA www.irf.com 50WQ05F, 50WQ06F PD-2.311 rev. A 12/97 10 100 ReverseCurrent - I (mA) R 10 1 100°C 75°C .1 50°C .01 25°C .001 0 T J =125°C 10 20 30 40 50 60 ReverseVoltage - VR(V) T J = 25°C Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 1000 JunctionCapacitance- C (pF) T InstantaneousForwardCurrent - I (A) F T =125°C J 1 .1 .2 .4 .6 .8 1 1.2 1.4 1.6 T =25°C J 100 10 0 5 10 15 20 25 30354045 50 55 6065 1.8 ReverseVoltage- VR(V) ForwardVoltage Drop- VFM(V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 1 - Maximum Forward Voltage Drop Characteristics Thermal Impedance -Z (°C/W ) thJC 10 D=0.50 D=0.33 D=0.25 1 P DM D=0.17 D=0.08 t 1 t2 .1 Notes: 1. DutyfactorD= t1/ t2 Single Pulse (Thermal Resistance) .01 .00001 .0001 .001 .01 2. PeakT =P xZ +T J DM thJC C .1 1 10 100 t , Rectangular PulseDuration(Seconds) 1 Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 50WQ05F, 50WQ05F PD-2.311 rev. A 12/97 6 RthJC(DC) =6.0°C/W 120 AveragePower Loss- (W atts) AllowableCaseTemperature- (°C) 130 110 DC 100 90 80 0 2 4 6 D=0.08 D=0.17 D=0.25 D=0.33 4 D=0.50 5 3 2 1 0 0 8 DC RMSLimit 2 4 6 8 AverageForwardCurrent - I (A) F(AV) AverageForwardCurrent - IF(AV) (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics 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 - Maximum Non-Repetitive Surge Current 4 www.irf.com