Ceramic Capacitors FAQ

Characteristics

What are typical insulation resistance values for chip multilayer ceramic capacitors?

The specifications of chip multilayer ceramic capacitors only stipulate the insulation resistance lower limit value, and no sorting is performed to ensure that the insulation resistance characteristics fall within a specified upper and lower limit range.
Refer to the detailed spec sheet of each product regarding insulation resistance lower limit values (initial state and after reliability testing).

In addition, due to the design and characteristics of chip multilayer ceramic capacitors, their insulation resistance values may vary in different usage environments.

Therefore, when using chip multilayer ceramic capacitors in circuits whose operation could be affected by the insulation resistance*, you will need to consider in the design stage ways to avoid malfunctions or sensing errors caused by insulation resistance that is too high or too low.

* In applications such as circuits for monitoring battery voltages, if the design is such that the DC voltage is divided by the insulation resistance of a chip multilayer ceramic capacitor, the division ratio (the voltages at the two poles of the capacitor) will vary with changes in the insulation resistance value.


Reference FAQ

> What are the standards and units of insulation resistance values for chip multilayer ceramic capacitors?

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