PD-2.287 rev. A 12/97 11DQ03 11DQ04 SCHOTTKY RECTIFIER 1.1 Amp Description/Features Major Ratings and Characteristics Characteristics 11DQ.. Units I F(AV) Rectangular waveform 1.1 A VRRM 30/40 V I FSM @ tp = 5 s sine 240 A VF @ 1 Apk, TJ = 25C 0.55 V TJ range - 40 to 125 C The 11DQ.. axial leaded Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. Low profile, axial leaded outline High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability CASE STYLE AND DIMENSIONS Conform to JEDEC Outline DO-204AL (DO-41) Dimensions in millimeters and inches www.irf.com 1 11DQ03, 11DQ04 PD-2.287 rev. A 12/97 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 11DQ03 11DQ04 30 40 Absolute Maximum Ratings Parameters 11DQ.. Units IF(AV) Max. Average Forward Current 1.1 A Conditions 50% duty cycle @ TA = 58 C, rectangular wave form * See Fig. 4 IFSM Max. Peak One Cycle Non-Repetitive 240 Surge Current * See Fig. 6 40 5s Sine or 3s Rect. pulse A 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied Electrical Specifications Parameters VFM IRM 11DQ.. Units Max. Forward Voltage Drop * See Fig. 1 (1) Conditions 0.55 0.71 0.50 V V V @ 1A @ 2A @ 1A 0.61 V @ 2A TJ = 25 C TJ = 125 C Max. Reverse Leakage Current 1.0 mA TJ = 25 C * See Fig. 2 6.0 mA TJ = 125 C (1) VR = rated VR CT Typical Junction Capacitance 60 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C LS Typical Series Inductance 8.0 nH Measured lead to lead 5mm from package body (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 11DQ.. Units TJ Max. Junction Temperature Range -40 to 125 C Tstg Max. Storage Temperature Range -40 to 125 C Conditions RthJA Max. Thermal Resistance Junction to Ambient 130 C/W DCoperation Without cooling fin RthJA Typical Thermal Resistance Junction to Ambient with PC Board Mounted 81 C/W PC board mounted [L = 8mm (0.315 in.)] Solder land area 100mm2 (0.155 in2.) wt 2 Approximate Weight 0.33(0.012) g (oz.) Case Style DO-204AL(DO-41) www.irf.com 11DQ03, 11DQ04 PD-2.287 rev. A 12/97 Reverse Current - I (mA) R 10 T =125C J 100C .1 75C 50C .01 25C .001 .0001 0 5 10 15 20 25 30 35 40 ReverseVoltage- VR(V) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 1 T =125C J T = 25C J 100 .1 0 .3 .6 .9 1.2 ForwardVoltage Drop - V (V) FM Fig. 1 - Maximum Forward Voltage Drop Characteristics JunctionCapacitance -C (pF) T InstantaneousForwardCurrent -I (A) F 10 1 T =25C J 10 0 5 10 15 20 25 30 35 40 45 ReverseVoltage- V (V) R Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage www.irf.com 3 11DQ03, 11DQ04 PD-2.287 rev. A 12/97 1 120 RthJA (DC) =81C/W Average Power Loss - (Watts) Allowable Case Temperature- (C) 130 110 100 90 80 DC 70 60 50 40 0 D=0.08 D=0.17 D=0.25 D=0.33 D=0.50 .8 .6 DC .4 RMSLimit .2 PCBoardMounted .2 .4 .6 .8 1 0 0 1.2 1.4 1.6 .4 .8 1.2 1.6 Average ForwardCurrent - IF(AV) (A) Average ForwardCurrent -IF(AV) (A) Fig. 4 - Maximum Ambient Temperature Vs. Average Forward Current, Printed Circuit Board Mounted Fig. 5 - 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. 6 - Maximum Non-Repetitive Surge Current 4 www.irf.com