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)