Ceramic Capacitor Vibration

Take the measures of fixing the capacitor etc.

Ceramic capacitor vibration.

Ceramic capacitors faq. There is almost no noise generated by the capacitor itself. For example the noise sounds like a hum hiss or a. Singing capacitors piezoelectric effect abstract in some applications design engineers are finding a vibration or low audible hum coming from certain ceramic capacitors.

Under the following status the vibration and or shock may be applied to a capacitor. Vibration resistance is also greatly enhanced by the panasonic anti vibration features along with the reduced height volume and weight. This is sometimes described as a singing capacitor and is actually a piezoelectric effect. Among failure modes there are open circuit failures and short circuit failures.

Applications where vibration resistance is critical are becoming more common and manufacturer panasonic is responding with vibration proof components in their capacitor ranges. By the equipment manufacturer if necessary. Since the body of a capacitor consists of ceramic if a mechanical shock is applied directly the capacitor may be damaged and a crack may be generated. When a crack occurs on the element of an mlcc multilayer ceramic chip capacitor due to depaneling of the print circuit board screw fastening or shock from a vibration or a drop it may lead to a short circuit failure.