Ceramic Cap Voltage Rating

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.

Ceramic cap voltage rating.

The main thing you need to know about capacitors is that they store x charge at x voltage. Dc and ac voltage values are usually not the same for a capacitor as the ac voltage value refers to the r m s. A variety of schemes may be used. 2a is a 100vdc rating according to the eia electronic industries alliance standard.

Value and not the maximum or peak value which is 1 414 times greater. Remember that capacitors are storage devices. Check the voltage rating. Also the specified dc working voltage is valid within a certain temperature range normally 30 c to 70 c.

For example if you go onto digi key and search for a 0 1 µf c0g cap the smallest in stock part is a 1206. Multi layer ceramic capacitor mlcc. If there is room on the body of the capacitor the manufacturer usually lists voltage as a number followed by a v vdc vdcw or wv for working voltage. 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.

They can actually fit an x7r decoupling cap in this tiny. Typically the markings on a capacitor may give the figures like 22 and 6v. This indicates a 22µf capacitor with a maximum voltage of 6v. Meaning they hold a certain size charge 1µf 100µf 1000µf etc at a certain.

Codes of polyester film and metallized film capacitor. Ceramic disc capacitors are usually through hole components and are falling out of favor due to their size. This is the maximum voltage the capacitor is designed to handle. Mlccs are used instead if capacitance values allow.

It could even be 250v. A ceramic capacitor marked 104 has a value plus as much as 80 to 20 tolerance of 100000pf or 100nf or 0 1uf. The 104 capacitance indicator has no bearing whatsoe. If a capacitor is marked with 2a474j the capacitance is decoded as described above the two first signs is the voltage rating and can be decoded from the table given below here.

The voltage rating on a capacitor is the maximum amount of voltage that a capacitor can safely be exposed to and can store. 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.