
A ceramic capacitor is a fixed-value where the ceramic material acts as the . It is constructed of two or more alternating layers of and a metal layer acting as the . The composition of the ceramic material defines the electrical behavior and therefore applications. Ceramic capacitors are divided into two application classes: Multi-layer ceramic capacitor operates by storing electrical charge between two conductive plates separated by a dielectric material. [pdf]
Multi-layer ceramic capacitor operates by storing electrical charge between two conductive plates separated by a dielectric material. Within an MLCC, these plates consist of metal electrodes like silver or palladium, while the dielectric material is ceramic.
An MLCC is a type of capacitor made from several alternating conductive and dielectric layers. It is constructed by stacking many thin sheets together with insulating layers between each. Multilayer ceramic capacitors (MLCCs) are common in electronic equipment. The dielectric material directly affects the performance of MLCCs.
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.
The size of an multi-layer ceramic capacitor is determined by the number of ceramic layers, the thickness of each layer, and the overall capacitance value required for the application. The thickness of a multilayer ceramic capacitor varies depending on the number of ceramic layers and the specific product design.
Multi-layer ceramic capacitor can be classified into two types: polar and non-polar. Non-polar MLCCs are symmetrical in construction and can be connected in either direction without any polarity concerns. In contrast, polar MLCCs are designed asymmetrically and must be connected in a specific orientation to function correctly.
Multilayer ceramic capacitors are suitable for high-speed digital circuits due to their ability to enhance capacitance and reduce size. However, they can be challenging to use in these circuits due to their disadvantages, and one should consider their application carefully when designing electronic circuits.

• Basic structure of ceramic capacitors• Construction of a multilayer ceramic chip capacitor (MLCC), 1 = Metallic electrodes, 2 = Dielectric ceramic, 3 = Connecting terminals • Construction of a ceramic disc capacitor Type B capacitors have a border around the top and bottom electrodes which helps to prevent epoxy creep-up related shorts and may aid in optical recognition with automated equipment. [pdf]
Ceramic capacitors are divided into two application classes: Class 1 ceramic capacitors offer high stability and low losses for resonant circuit applications. Class 2 ceramic capacitors offer high volumetric efficiency for buffer, by-pass, and coupling applications.
Chip capacitors have thermal properties characteristic ceramic materials. Originally processed at high temperature, chips can withstand exposure to temperatures limited only by the termination material (which is processed at approximately 800°C). Of importance is the rate at which chips are cycled through temperature changes.
Type B capacitors have a border around the top and bottom electrodes which helps to prevent epoxy creep-up related shorts and may aid in optical recognition with automated equipment. The bottom electrode is not suitable for solder die attach as the solder barrier layer has been removed.
Disc ceramic capacitors have a simple, disc-shaped design. They consist of a ceramic disc with electrodes on either side. These capacitors are commonly used in low-frequency applications and basic electronic circuits. A multilayer ceramic capacitor consists of multiple layers of ceramic material interleaved with metal electrodes.
Class 2 ceramic capacitors offer high volumetric efficiency for buffer, by-pass, and coupling applications. Ceramic capacitors, especially multilayer ceramic capacitors (MLCCs), are the most produced and used capacitors in electronic equipment that incorporate approximately one trillion (10 12) pieces per year.
Class I ceramic capacitors are characterized by high stability, low losses, and minimal variation in capacitance over various environmental conditions. The most common example of Class I ceramic capacitors are C0G (NP0) and U2J capacitors. Here are the key characteristics of Class I ceramic capacitors, particularly C0G:

The primary specifications provide insight into its use cases and applicability:Capacitance: 1.0µF is an ideal choice for many decoupling, filtering, and timing applications.Dielectric Material: X7R allows this capacitor to maintain a stable capacitance over a wide temperature range.Tolerance: 10% tolerance gives it a relatively predictable capacitance value.Voltage Rating: Suitable for low to mid-voltage applications.更多项目 [pdf]
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