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Information @ a Glance


  • A Ceramic Capacitor is a capacitor constructed of alternating layers of metal and ceramic, with the ceramic material acting as the dielectric. Depending on the dielectric, whether Class 1 or Class 2, the degree of temperature/capacity dependence varies. A ceramic capacitor often has (especially the class 2) high dissipation factor, high frequency coefficient of dissipation.

  • A ceramic capacitor is a two-terminal, non-polar device. The classical ceramic capacitor is the "disc capacitor". This device pre-dates the transistor and was used extensively in vacuum-tube equipment.

  • Ceramic capacitors come in various shapes and styles, including: disc, resin coated, with through-hole leads ; multilayer rectangular block, surface mount; bare leadless disc, sits in a slot in the PCB and is soldered in place, used for UHF work; tube shape, not popular now.

Manufacturing Process

  • Manufacturing starts with finely powdered base ceramic material that are pressed into dies and fired at high temperatures. Individual capacitors may be cut from large sheets of ceramic material.

  • The capacitor electrodes (i.e. the plates) are attached by screen printing a mixture of silver, finely powdered glass, and a binder on both sides of the disk, and firing the ceramic element again. This evaporates the binder, and the melted glass binds the silver to the ceramic surface.

  • Next, hairpin wires are clipped onto the capacitor and it is dipped in solder. Once cooled the capacitor is dipped into paint, marked, and the lower ends of the hairpin cut off. Clearly the whole process lends itself to automation, and dipped ceramic capacitors are very inexpensive. Capacitor characteristics depend on the type of ceramic used.


  • Parts manufacturers have developed a highly integrated and high-performance semiconductor integrated circuit. On the other hand, even in many electronic parts such as a multilayer ceramic capacitor used in electronic equipment, miniaturization and high capacity are being promoted and compact-size products are increasingly being used. In chip multilayer ceramic capacitors, the latest trend is subminiature products of less than 1005 size (1.0 0.5 mm).

  • For the development of subminiature multilayer ceramic capacitor, size is not only miniaturized by the introduction of high-precision processing technology, but also the approach for realizing compactness and higher capacity is promoted by the introduction of high electrostatic capacity technology.


  • Ceramic capacitor production in India is almost non-existent, although there are a few niche manufacturing companies promoted niche venture with output of Rs34 million.

  • Buyers can expect prices for commodity multilayer ceramic capacitors (MLCC) to fall by as much as 5% for the year, although leadtimes will stretch for some high-capacitance ceramic capacitors. Prices for specialty devices will remain stable.

  • The high-capacitance/low-voltage market is driven by cell phones, laptop computers, digital cameras and gaming consoles. To serve those industries, capacitor manufacturers cram as much capacitance as possible into ever shrinking packages.

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