Ceramic Disc Capacitor Vs Multilayer

The traditional disc caps are basically just a slab of ceramic with plate on each side radial leads attached and dipped in epoxy or maybe ceramic for coating.

Ceramic disc capacitor vs multilayer. The ceramic capacitor uses a thin ceramic layer as the dielectric medium whereas the electrolytic capacitor uses an ionic liquid as one of the sheets of the capacitor. If by monolithic you mean the multi layer chip caps sometimes labled mlcc that s what all the high density ceramic caps are. An american company in the midst of the apollo program launched in 1961 pioneered the stacking of multiple discs to create a monolithic block. The same company s 700a and 700b series of porcelain and ceramic multilayer capacitors also provide the temperature stable characteristics of npo dielectric materials in multilayer configurations.

The application typically dictates the best choice of capacitor type multilayer ceramic capacitor mlcc aluminum electrolytic polymer or tantalum to use in the design. They are rated for wvdc to 250 v dc. There is really nothing the old 100 nf disc capacitor can do that a modern 100 nf smd cap can t do within their voltage ratings. Different types of ceramic capacitors.

Multi layer ceramic smd capacitors are generally a superset of the older disc capacitors. Ceramic disc capacitors have a low loss factor a reasonable level of stability and work well with high frequencies. The types of ceramic capacitors most often used in modern electronics are the multi layer ceramic capacitor otherwise named ceramic multi layer chip capacitor mlcc and the ceramic disc capacitor. Ceramic disc capacitors have a capacitance value of about10pf to 100μf with a wide variety of voltage ratings between 16v to 15 kv and more.

Generally speaking while electrolytic capacitors provide the largest capacitance they suffer significant degradation in capacitance and leakage current at higher temperatures and frequencies. Mlccs are the most produced capacitors with a quantity of approximately 1000 billion devices per year. With capacitance values of 0 1 to 1000 pf. Ceramic capacitors and electrolytic capacitors are two main types of capacitors that are widely used in electrical and electronic components.

Ceramic disc capacitors are made by coating a ceramic disc with silver contacts on both sides as shown above illustrates. The smaller 700a series capacitors measure 0 055 0 055 in. The early style of the ceramic disc capacitor could be more cheaply produced than the common ceramic tube capacitors in the 1950s and 1970s. The ceramic disc capacitor is pretty much the standard type used in the tone control circuit.