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MAL219691222E3 Datasheet(PDF) 9 Page - Vishay Siliconix |
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MAL219691222E3 Datasheet(HTML) 9 Page - Vishay Siliconix |
9 / 15 page 196 HVC ENYCAP™ www.vishay.com Vishay BCcomponents Revision: 13-Jan-17 9 Document Number: 28409 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. Fig. 15 - 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: For ID, U1, and U2 the following definitions have to be used: Table 4 Note •For U2 see also Table 5. Fig. 16 - Test Circuit for Capacitance Measurement INTERNAL RESISTANCE (RI) AT 1 kHz Fig. 17 - Test Circuit for RI Measurement LEAKAGE CURRENT (IL) Leakage current shall be measured after 30 min application of rated voltage UR: Fig. 18 - Test Circuit for Leakage Current DISCHARGE CURRENT AS A FUNCTION OF RATED CAPACITANCE PARAMETER VALUE UNIT Rated capacitance, CR 4 154590 F Discharge current, ID 4 154590 mA CR Rated capacitance, in F UR Rated voltage, in V U1 Starting voltage, in V U2 Ending voltage, 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 Discharge current, in A CAPACITANCE C (F) ID (A) UR (V) U1 (V) U2 (V) t1 (s) t2 (s) 4 0.004 1.4 1.3 0.7 5 > 600 4 0.004 2.8 2.7 1.9 5 > 600 4 0.004 4.2 4.0 3.1 5 > 600 4 0.004 5.6 5.4 4.4 5 > 600 4 0.004 7.0 6.7 5.6 5 > 600 4 0.004 8.4 8.1 6.9 5 > 600 15 0.015 1.4 1.3 0.7 5 > 600 15 0.015 2.8 2.7 1.9 5 > 600 15 0.015 4.2 4.0 3.1 5 > 600 15 0.015 5.6 5.4 4.4 5 > 600 15 0.015 7.0 6.7 5.6 5 > 600 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 ---------------------------------------------------------- = 15 0.015 8.4 8.1 6.9 5 > 600 45 0.045 2.8 2.7 1.9 5 > 600 45 0.045 4.2 4.0 3.1 5 > 600 45 0.045 5.6 5.4 4.4 5 > 600 90 0.090 1.4 1.3 0.7 5 > 600 90 0.090 2.8 2.7 1.9 5 > 600 90 0.090 4.2 4.0 3.1 5 > 600 90 0.090 5.6 5.4 4.4 5 > 600 90 0.090 7.0 6.7 5.6 5 > 600 90 0.090 8.4 8.1 6.9 5 > 600 CAPACITANCE C (F) ID (A) UR (V) U1 (V) U2 (V) t1 (s) t2 (s) A V C Constant current discharger + R I U C V 10 -3 ---------------- = V A 1 mA C 1 kHz + I L A U S V 10 -4 ---------------- = V R S 100 Ω C + + |
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