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CWR06NC155J Datasheet(PDF) 5 Page - Vishay Siliconix |
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CWR06NC155J Datasheet(HTML) 5 Page - Vishay Siliconix |
5 / 7 page www.vishay.com 137 CWR06 Vishay Sprague Document Number 40009 Revision 16-Nov-04 For technical questions, contact tantalum@vishay.com 7.1 At + 25 °C, when measured at + 25˚C ± 5˚C, the leakage current for any capaitor shall not exceed the maximum value listed in the Standard Ratings Table 7.2 At + 85 °C, when measured at + 85˚C ± 5˚C, the leakage current for any capacitor shall not exceed the maximum value listed in the Standard Ratings Table. 7.3 At + 125 °C, when measured at + 125˚C ± 5˚C, the leakage current for any capacitor shall not exceed the maximum value listed in the Standard Ratings Table. 8. Life Test: Capacitors shall be capable of withstanding a 2000 hour life test at the + 85˚C rated DC working voltage or a 2000 hour life test at the + 125˚C derated working voltage. 8.1 Following the life test, the capacitors shall meet the following requirements: the capacitance at + 25˚C shall not have changed by more than ± 10% from the PERFORMANCE CHARACTERISTICS (Continued) intital value; the dissipation factor shall meet the initial requirements; the leakage current shall not be more than the original requirements. 9. Reflow Soldering: It is recommended that these capacitors be reflow soldered at a temperature of not greater than + 250˚C for a period of not more than 30 seconds. 10. Marking: The small body area of these capacitors does not permit elaborate marking schemes. Required information will be distinctly marked on the carton or packages in which the units are shipped. Capacitors may be ordered with color coding at additional cost. Color coding shall be as mutually agreed upon by Vishay Sprague® and the customer. 10.1 Polarity: The anode terminal of each capacitor is identified by the weld and dimple projection on the anode cap (see Dimensional Configurations). 5. Power Dissipation: Power dissipation will be affected by the heat sinking capability of the mounting surface. Non-sinusoidal ripple current may produce heating effects which differ from those shown. It is important that the equivalent Irms value be established when calculating permissible operating levels. (Power Dissipation calculated using + 25°C temperature rise.) Temperature Derating Factor + 25°C + 55˚C + 85°C + 125°C 1.0 0.9 0.8 0.4 1. 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 5 (Power Dissipation). RESR = The capacitor Equivalent Series Resistance at the specified frequency. 2. 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 5 (Power Dissipation). RESR = The capacitor Equivalent Series Resistance at the specified frequency. Z = The capacitor impedance at the specified frequency. Irms = P RESR P RESR Vrms = Z GUIDE TO APPLICATION Vrms = Irms x Z 2.1 The sum of the peak AC voltage plus the DC voltage shall not exceed the DC voltage rating of the capacitor. 2.2 The sum of the negative peak AC voltage plus the applied DC voltage shall not allow a voltage reversal exceeding 10% of the DC rating at + 25°C. 3. Reverse Voltage: These capacitors are capable of withstanding peak voltages in the reverse direction equal to 10% of the DC rating at + 25°C, 5% of the DC rating at + 85°C and 1% of the DC rating at +125°C. 4. Temperature Derating: If these capacitors are to be operated at temperatures above + 25°C, the permissible rms ripple current or voltage shall be calculated using the derating factors as shown: |
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