450QXW220MEFC18X50 - Rubycon

450QXW220MEFC18X50 Frequently Asked Questions (FAQs)

• What is the recommended voltage derating for this capacitor?
  Rubycon recommends a voltage derating of 80% to ensure reliable operation and to prevent overheating.
• How does the capacitor's ESR (Equivalent Series Resistance) change with frequency?
  The ESR of the 450QXW220MEFC18X50 capacitor decreases with increasing frequency, but the exact values can be obtained from Rubycon's application notes or by contacting their technical support.
• Is the capacitor suitable for use in high-reliability applications, such as aerospace or automotive?
  While the 450QXW220MEFC18X50 capacitor meets the requirements for general-purpose electronics, it may not meet the stringent requirements of high-reliability applications. Engineers should consult Rubycon's documentation and technical support to determine suitability for their specific application.
• Can the capacitor be used in high-temperature environments, such as near a heat source or in a hot enclosure?
  The 450QXW220MEFC18X50 capacitor is rated for operation up to 105°C, but its performance and lifespan may be affected by high temperatures. Engineers should consider derating the capacitor's voltage and current ratings and ensuring adequate cooling in high-temperature environments.
• How does the capacitor's capacitance change with temperature?
  The capacitance of the 450QXW220MEFC18X50 capacitor decreases with increasing temperature, following a typical ceramic capacitor temperature coefficient. The exact temperature coefficient can be obtained from Rubycon's documentation or technical support.