MLCC chip capacitor selection list and online purchase address: click on the image to enter
MLCC chip capacitors are a common electronic component commonly used in applications such as filtering, coupling, and winding in circuits. Y5V and X7R are common MLCC chip capacitor materials, which have significant differences in performance and application.
Firstly, the temperature coefficients of Y5V and X7R materials are different. The temperature coefficient refers to the degree to which the capacitance value changes with temperature. The temperature coefficient of Y5V capacitor is -82%~+22%, while the temperature coefficient of X7R capacitor is -55%~+22%. From the perspective of temperature coefficient, the range of capacitance value variation of X7R capacitor is smaller and relatively more stable when temperature changes.
Secondly, the capacitance stability of Y5V and X7R materials is different. Capacitance stability refers to the degree to which the capacitance value changes over time. The capacitance stability of Y5V capacitor is poor, and its capacitance value will undergo significant changes over time. The capacitance stability of the X7R capacitor is good, and its capacitance value changes less, making it relatively more stable. Therefore, in long-term applications, X7R capacitors are more suitable for circuit designs with higher requirements.
Thirdly, the working voltage of Y5V and X7R materials is different. Working voltage refers to the maximum voltage that a capacitor can withstand. The working voltage of Y5V capacitors is generally low, usually below 50V. The working voltage of the X7R capacitor is relatively high, above 100V. Therefore, for some circuit designs that need to withstand higher voltages, choosing X7R capacitors is a more suitable choice.
Fourthly, there is also a certain price difference between Y5V and X7R materials. Generally speaking, the price of Y5V capacitors is relatively cheap, while the price of X7R capacitors is relatively high. Therefore, in some applications with high cost requirements, Y5V capacitors can be chosen to save costs.
In summary, there are significant differences in temperature coefficient, capacitor stability, operating voltage, and price between Y5V and X7R MLCC chip capacitors. When selecting, it is necessary to make the selection based on specific application requirements. If it is sensitive to the stability of capacitance values and the impact of temperature changes, as well as the need to withstand higher voltage scenarios, X7R capacitors can be selected; If there is a high cost requirement and the stability of capacitance values and the impact of temperature changes are not particularly sensitive, Y5V capacitors can be chosen. In practical applications, other suitable capacitor materials can also be selected based on specific circuit design and requirements.
