On circuit boards, we often see blue, disc-shaped capacitors. They are small, exquisite, crystal clear, and usually have information such as capacity and voltage marked on them. These are ceramic capacitors.
Ceramic capacitors can be divided into high-voltage ceramic capacitors and low-voltage ceramic capacitors. When purchasing ceramic capacitors, we can find many parameters from the specifications provided by the manufacturer, such as capacity, voltage, error, withstand voltage, pitch and length, etc., but what about the information about the operating temperature range?
The operating temperature range of ceramic capacitors actually depends on their characteristics, and they are mainly divided into three types: Y5P, Y5U and Y5V. Different characteristics correspond to different operating temperature ranges.
For ceramic capacitors with Y5U and Y5P characteristics, their capacity change rates range from +22% to -65%. Ceramic capacitors with Y5V characteristics have a capacity change rate of +30% to -80%. In short, the operating temperature range of ceramic capacitors is usually between -25°C and +85°C.
This means that ceramic capacitors can operate normally under relatively extreme temperature conditions and maintain stable performance. This temperature range tolerance makes ceramic capacitors ideal for many electronic applications, performing well in both low and high temperature environments.