| Dielectric Type - The choice of dielectric is largely determined by the temperature stability required: |
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| NPO: Ultra stable Class I dielectric, with predictable change of electrical properties on temperature, voltage, frequency and time. Used in circuits requiring stable performance. |
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| X7R: Stable Class II dielectric, with predictable change of preperties with temperature, voltage, frequency and time. used as blocking, coupling, by-passing and frequency discriminating elements. This dielectric is ferroelectric and offers higher capacitance ranges than class I. |
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| Y5V: General purpose Class II dielectric with highest dielectric constant and greater variation of properties with (Z5U) temperature and test conditions. Very high capacitance per unit volume and suited for bypass and coupling application as well as filtering, transient supression blocking, and charge storage application. |
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