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90008E3 bảng dữ liệu(PDF) 4 Page - Vishay Siliconix |
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90008E3 bảng dữ liệu(HTML) 4 Page - Vishay Siliconix |
4 / 5 page 220 EDLC ENYCAP™ www.vishay.com Vishay BCcomponents Revision: 20-Oct-16 4 Document Number: 28421 For technical questions, contact: hybridstorage@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 MEASURING OF CHARACTERISTICS CAPACITANCE (C) Capacitance shall be measured by constant current discharge method. - Constant current charge with 10 mA/F to UR - Constant voltage charge at UR for 5 min - Constant current discharge with 10 mA/F to 0.1 V Fig. 2 - Voltage Diagram for Capacitance Measurement Capacitance value CR is given by discharge current ID, time t and rated voltage UR, according to the following equation: EQUIVALENT SERIES RESISTANCE (ESRDC) - Constant current charge to UR - Constant voltage charge at UR for 5 min - Constant current discharge to 0.1 V Statements about product lifetime are based on calculations and internal testing. They should only be interpreted as estimations. Also due to external factors, the lifetime in the field application may deviate from the calculated lifetime. In general, nothing stated herein shall be construed as a guarantee of durability. CR Rated capacitance, in F UR Rated voltage, in V U1 Starting voltage, 0.8 x UR in V U2 Ending voltage, 0.4 x UR in V U 3 Voltage drop at internal resistance, in V t1 Time from start of discharge until voltage U1 is reached, in s t2 Time from start of discharge until voltage U2 is reached, in s ID Absolute value of discharge current, in A U R U 1 U 2 t 1 t 2 ΔU 3 (s) 30 min C R F I D A x t 2 s - t 1 s U 1 V - U 2 V --------------------------------------------------------------- = ESRDC Equivalent series resistance, in U R Voltage drop at internal resistance, in V ID Absolute value of discharge current, in A ESR DC U 3 V I D A --------------------- = |
Số phần tương tự - 90008E3 |
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Mô tả tương tự - 90008E3 |
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