21DQ04 TAYCHIPST | Alldatasheet
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40V 2.0A SCHOTTKY RECTIFIER Web Site: www.taychipst.com1 of 2
FEATURES
E-mail: sales@taychipst.com MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
- Low profile, axial leaded outline High frequency operation Very low forward voltage drop High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Guard ring for enhanced ruggedness and long term reliability Lead (Pb)-free plating Designed and qualified for industrial level ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average forward current See fig. 4 I F(AV) 50 % duty cycle at T C = 112 °C, rectangular waveform 2 AMaximum peak one cycle non-repetitive surge current See fig. 6 I FSM 5 µs sine or 3 µs rect. pulse Following any rated load condition and with rated V RRM applied 420 10 ms sine or 6 ms rect. pulse 70 Non-repetitive avalanche energy E AS T J = 25 °C, I AS = 1.0 A, L = 10 mH 5.0 mJ Repetitive avalanche current I AR Current decaying linearly to zero in 1 µs Frequency limited by T J maximum V A = 1.5 x V R typical 1.0 A Note (1) thermal runaway condition for a diode on its own heatsink ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS TYP. MAX. Maximum forward voltage drop V FM (1) 2 A T J = 25 °C 0.49 0.55 V 4 A 0.60 0.65 2 A T J = 125 °C 0.42 0.5 4 A 0.56 0.62 Maximum reverse leakage current I RM (1) T J = 25 °C V R = Rated V R 0.01 0.50 mA T J = 125 °C 5.2 10 Typical junction capacitance C T V R = 5 V DC (test signal range 100 kHz to 1 MHz) 25 °C 130 pF Typical series inductance L S Measured lead to lead 5 mm from package body 8.0 nH THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum junction and storage temperature range T J (1) , T Stg - 40 to 150 °C Maximum thermal resistance, junction to ambient R thJA DC operation Without cooling fin 100 °C/WTypical thermal resistance, junction to lead R thJL DC operation See fig. 4 25 Approximate weight 0.33 g 0.012 oz. Marking device Case style DO-204AL (D-41) 21DQ04 dP tot dT J R thJA
RATINGS AND CHARACTERISTIC CURVES 21DQ04 E-mail: sales@taychipst.com Web Site: www.taychipst.com 2 of 2 SCHOTTKY RECTIFIER 21DQ04 40V 2.0A Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage Fig. 4 - Maximum Allowable Lead Temperature vs. Average Forward Current Fig. 5 - Forward Power Loss Characteristics 0.1 00 . 3 0 . 6 0 . 9 1 . 2 F FM T = 150°C T = 125°C T = 2 5 ° C J J J F orward Voltage Drop - V (V) I ns tantaneous F orwar d Curr ent - I (A) 0.0001 0.001 0.01 0.1 100 01 0 2 0 3 0 4 0 R R 125°C 100°C 75°C 50°C 25°C Re v e rse C u rre n t - I ( m A ) Re v e r se V o l t a g e - V ( V ) T = 150°C J 100 1000 01 0 2 0 3 0 4 0 R T Junction Capacitance - C (pF ) Re v e rse V o l t a g e - V ( V ) T = 2 5 ° C J 120 150 0123 DC F( A V) see note (1) Aver age F orwar d Cur rent - I (A) Sq u a r e w a v e ( D = 0 . 5 0 ) 80% Rated V applied R Allowable Lead T emperatur e - (°C) = 1/8 inch 0.4 0.8 1.2 1.6 0123 DC Average Power L oss - (Watts ) F (AV) RM S Lim i t D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 Average F orward Current - I (A) Fig. 6 - Maximum Non-Repetitive Surge Current 100 1000 10 100 1000 10000 FSM Non-R ep etitive Surge Current - I (A) p At Any R ated L oad Condition And With R ated V Applied Fo l lo w i n g Su r g e RRM S quare Wave Puls e Duration - t (micros ec)