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594D3.3X0-035B2T Datasheet(PDF) 6 Page - Vishay Siliconix |
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594D3.3X0-035B2T Datasheet(HTML) 6 Page - Vishay Siliconix |
6 / 9 page www.vishay.com 71 594D Vishay Sprague Document Number 40006 Revision 09-Mar-05 For technical questions, contact tantalum@vishay.com PERFORMANCE CHARACTERISTICS (Continued) 8 ESR (Equivalent Series Resistance) Measurement shall be made by the bridge method at a frequency of 100kHz and a temperature of + 25°C. 8.1 The equivalent Series Resistance shall not exceed the value listed in the Standard Ratings Table. 9. Life Test: Capacitors shall withstand rated DC voltage applied at + 85°C or two-thirds rated voltage applied at + 125°C for 2000 hours. 9.1 Following the life test, the dissipation factor shall meet the initial requirement; the capacitance change shall not exceed ± 10%; the leakage current shall not exceed 125% of the initial requirement. 10. Humidity Test: Capacitors will withstand 1000 hours at + 40˚C, 90% to 95% relative humidity, with no voltage applied. 10.1 Following the humidity test, capacitance change shall not exceed ± 10% of the initial value, dissipation factor shall not exceed 150% of the initial requirement; leakage current shall not exceed 200% of the initial requirement at + 25˚C. 11. Solderability: Capacitors will meet the solderability requirements of ANSI/J-STD-002, Test B, Category 3. 12. Resistance to Soldering Heat: Capacitors mounted on a substrate will withstand + 260°C for 5 seconds. 12.1 Following the resistance to soldering heat test, capacitance, dissipation factor and DC leakage current shall meet the initial requirement. 13. Marking: The small body area of these capacitors does not allow elaborate marking schemes. All required information is present on the carton or package in which the parts are shipped; in addition, part number, quantity and date code are indicated on the reels. 14. Terminal Strength: Per IEC-384-3, minimum of 5N shear force. 15. Environmental: Mercury, CFC and ODS materials are not used in the manufacture of these capacitors. 16. Flammability: Encapsulant materials meet UL94 V0. 17. Capacitor Failure Mode: The predominant failure mode for solid tantalum capacitors is increased leakage current resulting in a shorted circuit. Capaci- tor failure may result from excess forward or reverse DC voltage, surge current, ripple current, thermal shock or excessive temperature. The increase in leakage is caused by a breakdown of the Ta 2O5 dielectric. For additional information on leakage failure of solid tantalum chip capacitors, refer to Vishay Sprague Technical Paper, “Leakage Failure Mode in Solid Tantalum Chip Capacitors.” 2.0 A-C Ripple Current: The maximum allowable ripple current shall be determined from the formula: where, P = Power Dissipation in Watts @ + 25°C as given in the table in Paragraph Number 6.0 (PowerDissipation) RESR = The capacitor Equivalent Series Resistance at the specified frequency. 3.0 A-C Ripple Voltage: The maximum allowable ripple voltage shall be determined from the formula: or, from the formula: where, P = Power Dissipation in Watts @ + 25°C as given in the table in Paragraph Number 6.0 (Power Dissipation). RESR = The capacitor Equivalent Series Resistance at the specified frequency. Z= The capacitor Impedance at the specified frequency. 3.1 The sum of the peak AC voltage plus the DC voltage shall not exceed the DC voltage rating of the capacitor. P RESR Irms = Vrms = Irms x Z P RESR Vrms = Z GUIDE TO APPLICATION 1.0 Recommended rated working voltage guidelines: (-55°C to + 85°C) Standard Conditions, for example; output filters Capacitor Voltage Rating (V) Operating Voltage (V) 4 2.5 6.3 3.6 10 6 16 10 20 12 25 15 35 24 50 28 Severe Conditions, for example; input filters Capacitor Voltage Rating (V) Operating Voltage (V) 4 2.5 6.3 3.3 10 5 16 8 20 10 25 12 35 15 50 24 |
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