DQ05 DQ06 SCHOTTKY RECTIFIER. Amp Major Ratings and Characteristics Characteristics Values Units I F(AV) Rectangular. A waveform V RRM 50/60 V I FSM @ tp = 5 µs sine 50 A V F @ Apk, T = 25 C 0.53 V T range - 40 to 50 C Description/ Features The DQ.. 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 Lead-Free plating CASE STYLE AND DIMENSIONS Conform to EDEC Outline DO-204AL (DO-4) Dimensions in millimeters and inches
Voltage Ratings Part number DQ05 DQ06 V R Max. DC Reverse Voltage 50 60 V RWM Max. Working Peak Reverse Voltage Absolute Maximum Ratings I F(AV) Max. Average Forward Current. A 50% duty cycle @ T C = 84 C, rectangular wave form * See Fig. 4 I FSM Max. Peak One Cycle Non-Repetitive 50 5µs Sine or 3µs Rect. pulse Following any rated A load condition and with Surge Current * See Fig. 6 25 ms Sine or 6ms Rect. pulse rated V RRM applied E AS Non-Repetitive Avalanche Energy 2.0 m T = 25 C, I AS = Amps, L = 4 mh I AR Repetitive Avalanche Current.0 A Current decaying linearly to zero in µsec Frequency limited by T max. V A =.5 x V R typical Electrical Specifications V FM Max. Forward Voltage Drop 0.58 V @ A T = 25 C * See Fig. () 0.76 V @ 2A 0.53 V @ A T = 25 C 0.64 V @ 2A I RM Max. Reverse Leakage Current.0 ma T = 25 C V R = rated V R * See Fig. 2 () ma T = 25 C C T Typical unction Capacitance 55 pf V R = 5V DC (test signal range Khz to Mhz) 25 C L S Typical Series Inductance 8.0 nh Measured lead to lead 5mm from package body dv/dt Max. Voltage Rate of Change 00 V/µs (Rated V R ) () Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications T Max. unction Temperature Range (*) -40 to 50 C T stg Max. Storage Temperature Range -40 to 50 C R tha Max. Thermal Resistance unction C/W DC operation to Ambient Without cooling fin R thl Typical Thermal Resistance unction 8 C/W DC operation (See Fig. 4) to Lead wt Approximate Weight 0.33(0.02) g (oz.) Case Style DO-204AL(DO-4) (*) dptot < dtj Rth( j-a) thermal runaway condition for a diode on its own heatsink 2
Reverse Current - I R (ma) 0. 0.0 0.00 T = 50 C 25 C 25 C Instantaneous Forward Current - I F T = 50 C T = 25 C T = 25 C 0.000 0 20 30 40 50 60 70 Reverse Voltage - V R Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 0. 0 0.2 0.4 0.6 0.8.2 Forward Voltage Drop - V FM Fig. - Maximum Forward Voltage Drop Characteristics unction Capacitance - C T (pf) T = 25 C 0 20 30 40 50 60 70 Reverse Voltage - V R Fig. 3 - Typical unction Capacitance Vs. Reverse Voltage 3
Allowable Case Temperature ( C) 60 40 20 80 60 40 Square wave (D = 0.50) 80% Rated Vr applied Average Forward Current - I F(AV) Fig. 4 - Maximum Ambient Temperature Vs. Average Forward Current, Printed Circuit Board Mounted DC 20 see note (2) 0 0 0.2 0.4 0.6 0.8.2.4.6 Average Power Loss (Watts) 0.8 0.6 0.4 0.2 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS Limit DC 0 0 0.2 0.4 0.6 0.8.2.4.6 Average Forward Current - I F(AV) Fig. 5 - Forward Power Loss Characteristics Non-Repetitive Surge Current-I FSM 0 At Any Rated Load Condition And With Rated Vrrm Applied Following Surge 0 00 Square Wave Pulse Duration - t p (microsec) Fig. 6 - Maximum Non-Repetitive Surge Current (2) Formula used: T C = T - (Pd + Pd REV ) x R thc ; Pd = Forward Power Loss = I F(AV) x V FM @ (I F(AV) / D) (see Fig. 6); Pd REV = Inverse Power Loss = V R x I R ( - D); I R @ V R = 80% rated V R 4
Ordering Information Table Device Code D Q 06 TR 2 3 4 5 - =.A (Axial and small packages - Current is x) 2 - D = DO-4 package 3 - Q = Schottky Q.. Series 06 = 60V 4 - = Voltage Ratings 05 = 50V 5 - TR = Tape & Reel package ( 5000 pcs) - = Box package (0 pcs) Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level and Lead-Free. Qualification Standards can be found on IR's Web site. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (3) 252-75 TAC Fax: (3) 252-7309 Visit us at for sales contact information. /04 5