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T496D227K025AHE500 Datasheet(PDF) 9 Page - Kemet Corporation |
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T496D227K025AHE500 Datasheet(HTML) 9 Page - Kemet Corporation |
9 / 18 page © KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com T2010_T496 • 9/22/2016 99 Tantalum Surface Mount Capacitors – Fused T496 Series Fused MnO 2 Recommended Voltage Derating Guidelines −55°Cto85°C 85°Cto125°C % Change in Working DC Voltage with Temperature V R 67%ofV R Recommended Maximum Application Voltage 50% of V R 33% of V R Ripple Current/Ripple Voltage Permissible AC ripple voltage and current are related to equivalentseriesresistance(ESR)andthepowerdissipation capabilities of the device. Permissible AC ripple voltage whichmaybeappliedislimitedbytwocriteria: 1. The positive peak AC voltage plus the DC bias voltage, if any, must not exceed the DC voltage rating of the capacitor. 2. The negative peak AC voltage in combination with bias voltage, if any, must not exceed the allowable limits specifiedforreversevoltage.SeetheReverseVoltage section for allowable limits. The maximum power dissipation by case size can be determined using the table at right. The maximum power dissipation rating stated in the table must be reduced with increasing environmental operating temperatures. Refer to the table below for temperature compensation requirements. Temperature Compensation Multipliers for Maximum Ripple Current T≤25°C T≤85°C T≤125°C 1.00 0.90 0.40 T= Environmental Temperature The maximum power dissipation rating must be reduced with increasing environmental operating temperatures. Refer to the Temperature Compensation Multip KEMET Case Code EIA Case Code Maximum Power Dissipation (P max) mWatts at 25°C w/+20°C Rise A 3216–18 75 B 3528–21 85 C 6032–28 110 D 7343–31 150 X 7343–43 165 E 7360–38 200 S 3216–12 60 T 3528–12 70 U 6032–15 90 V 7343–20 125 T510X 7343–43 270 T510E 7360–38 285 Using the P max of the device, the maximum allowable rms ripple current or voltage may be determined. I(max) = √P max/R E(max) = Z √P max/R I = rms ripple current (amperes) E = rms ripple voltage (volts) P max = maximum power dissipation (watts) R = ESR at specified frequency (ohms) Z = Impedance at specified frequency (ohms) 0% 20% 40% 60% 80% 100% 120% −55 25 85 125 % Change in Working DC Voltage with Temperature Temperature (ºC) 67% 33% Recommended Maximum Application Voltage (As % of Rated Voltage) |
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