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T548V157M020APE0507280 Datasheet(PDF) 7 Page - Kemet Corporation |
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T548V157M020APE0507280 Datasheet(HTML) 7 Page - Kemet Corporation |
7 / 19 page © KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com T2079_SSD • 9/27/2016 77 Solid State Drives/High Energy Applications Polymer Electrolytic (KO-CAP®), 6.3 – 35 VDC Ripple Current/Ripple Voltage Permissible AC ripple voltage and current are related to equivalent series resistance (ESR) and the power dissipation capabilities of the device. Permissible AC ripple voltage which may be applied is limited by two criteria: a. The positive peak AC voltage plus the DC bias voltage, if any, must not exceed the DC voltage rating of the capacitor. b. The negative peak AC voltage, in combination with bias voltage, if any, must not exceed the allowable limits specified for reverse voltage. The maximum power dissipation by case size can be determined using the below table. Temperature Compensation Multipliers for Maximum Ripple Current T ≤ 45°C 45° C < T ≤ 85°C 85°C < T ≤ 105°C 1.00 0.70 0.25 T= Environmental Temperature 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) Refer to part number listings for permittable Arms limits. Case Code EIA Case Code Maximum Power Dissipation (P max) mWatts at 45°C with +30°C Rise For T520/T521/T545 For T523/T548 T 3528-12 105 N/A M 3528-15 120 N/A B 3528-21 127 N/A W 7343-15 180 395 V 7343-20 187 410 Y 7343-40 241 N/A X 7343-43 247 N/A J 7360-15 200 440 H 7360-20 200 440 O 7360-43 300 N/A The maximum power dissipation rating must be reduced with increasing environmental operating temperatures. Refer to the Temperature Compensation Multiplier table for details. |
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