Multi-layer ceramic capacitor (MLCC) is one of PCB capacitors using multilayer ceramic sheets as an intermediate medium and an electronic component widely utilized in electronic circuits for its capability to accumulate and discharge electrical energy. It consists of several layers of ceramic material, usually composed of barium titanate or other ceramic materials, that are stacked on top of each other with metal electrodes sandwiched between them.

Due to their compactness, dependability, low inductance, and ESR (Equivalent Series Resistance) properties, Multi-layer ceramic capacitors are popular and ideal for high-frequency applications. They are commonly used in electronic devices such as smartphones, computers, and automotive electronics.

What are the different types of MLCC capacitors

The different types of MLCC capacitors

Multi-layer ceramic capacitor comes in different types, classified based on their intended application, construction, and material composition. These types include General-Purpose MLCCs, High Voltage MLCCs, High-Q MLCCs, Automotive Grade MLCCs, Soft Termination MLCCs, and Safety Certified MLCCs.

● General-Purpose MLCCs are the most commonly used type, constructed with a ceramic dielectric material, and are available in varying capacitance values, voltage ratings, and sizes.

● High Voltage MLCCs are designed for high-voltage applications, while High-Q MLCCs are meant for high-frequency applications requiring low loss and high stability, using high dielectric constant ceramic material.

● Automotive Grade MLCCs withstand harsh environmental conditions in automobile applications.

●Soft Termination MLCCs feature flexible termination structures to minimize the risk of capacitor cracking during thermal and mechanical stress.

● Safety Certified MLCCs are tested and certified to meet safety standards and are used in safety-critical applications.

Choosing the appropriate multi-layer ceramic capacitor type for an application will depend on factors like operating frequency, voltage, capacitance requirements, environmental conditions, and other considerations.

Source: IBE Electronics