PRF21BD471QB5RA - Murata Electronics

PRF21BD471QB5RA Frequently Asked Questions (FAQs)

• What is the recommended land pattern for this capacitor?
  The recommended land pattern for the PRF21BD471QB5RA capacitor can be found in the Murata Land Pattern Recommendation document, which provides guidelines for PCB layout and pad design to ensure reliable mounting and soldering.
• How does the capacitor's ESR affect its performance in high-frequency circuits?
  The Equivalent Series Resistance (ESR) of the PRF21BD471QB5RA capacitor is an important parameter that affects its performance in high-frequency circuits. A lower ESR value indicates lower energy losses and improved high-frequency performance. In this case, the ESR of the PRF21BD471QB5RA is 0.05 ohms, making it suitable for high-frequency applications.
• Is the PRF21BD471QB5RA capacitor suitable for use in automotive applications?
  Yes, the PRF21BD471QB5RA capacitor is AEC-Q200 qualified, which means it meets the stringent requirements for automotive applications, including high reliability, high temperature range, and resistance to vibration and shock.
• What is the maximum operating temperature range for this capacitor?
  The PRF21BD471QB5RA capacitor has an operating temperature range of -55°C to +125°C, making it suitable for use in a wide range of applications, including those that require high reliability and stability over a broad temperature range.
• How does the capacitor's capacitance value change with temperature?
  The capacitance value of the PRF21BD471QB5RA capacitor changes with temperature, following a characteristic curve that is typical for X7R dielectric materials. The capacitance value decreases as the temperature increases, with a maximum deviation of ±15% over the operating temperature range.