Ceramic Capacitor Rating

When the first two numbers are multiplied with the multiplier the.

Ceramic capacitor rating.

Method of finding the value meaning of codes of capacitor. Ceramic disc capacitors have a capacitance value of 10pf to 100μf with a wide variety of voltage ratings between 16 volts to 15 kv and more. This is why capacitors come in different voltage ratings so that they can supply circuits with different voltages fitting the power voltage needs of the circuit. Multi layer ceramic capacitor mlcc mlccs are manufactured by accurately mixing finely ground granules of paraelectric and ferroelectric materials and alternatively layering the mix with metal contacts.

A ceramic capacitor is a fixed value capacitor where the ceramic material acts as the dielectric it is constructed of two or more alternating layers of ceramic and a metal layer acting as the electrodes the composition of the ceramic material defines the electrical behavior and therefore applications. Most ceramic capacitors have a fairly high voltage rating. This letter represents the tolerance of the capacitor meaning how close the actual value of the capacitor can be expected to be to the indicated value of the capacitor. Ceramic capacitors which are usually tiny pancakes with two pins typically list the tolerance value as one letter immediately after the three digit capacitance value.

In contrast you can find a 0 1 µf x7r cap in the 0306 package and with a voltage rating 10 v high enough for 3 3 v or even 5 v circuitry. Click here for resistor colour code and smd resistor code ceramic disc capacitors have two to three digits code printed on them. A variety of schemes may be used. In another 50 volts may be needed.

A capacitor with a 12v rating or higher would be used in this case. Ceramic capacitors are generally smaller than types like electrolytic capacitors and therefore the markings need to be more concise. All capacitors have a tolerance rating that can range from 20 to as high as 80 for aluminium electrolytic s affecting its actual or real value. If the capacitor experiences a voltage between its terminals higher than its rated voltage the dielectric may break down and electrons will flow between the thin metal layers inside of the capacitor creating a short.

Often the value may be given in picofarads. The first two numbers describe the value of the capacitor and the third number is the number of zeros in the multiplier. A capacitor with a 50v rating or higher would be used. Sometimes figures such as 10n will be seen and this indicates a 10nf capacitor.