A capacitor with a small positive capacitance temperature coefficient used in highly stable oscillation circuits as a loop capacitor and as a cushion capacitor. Low frequency ceramic capacitor is limited to bypass or DC isolation in the circuit with low operating frequency, or the stability and loss requirements are not high, this capacitor should not be used in the pulse circuit, because they are easy to be broken down by the pulse voltage.

Ceramic capacitors are mainly for high frequency, high voltage ceramic capacitors depend on what occasion you use, the typical role can eliminate high-frequency interference.

advantage

1. High stability of capacity loss with temperature frequency

2. The special series structure is suitable for high voltage and long-term reliability

3. High current climbing rate and suitable for non-inductive structure of large current loop.

Features:

① Because the dielectric material of the capacitor is ceramic, it has good heat resistance and is not easy to age.

② Ceramic dielectric container can resist acid, alkali and salt corrosion, good corrosion resistance.

③ The dielectric constant of low-frequency ceramic materials is large, so the low-frequency ceramic dielectric container is small in volume and large in capacity.

④ Good insulation performance, can be made into high-voltage capacitors.

The relationship between the loss Angle tangent value and frequency of high-frequency ceramic materials is very small, so high-frequency ceramic dielectric vessels can be used in high-frequency circuits.

⑥ Cheap, rich raw materials, suitable for mass production.

⑦ The capacitance of ceramic capacitor is small, the mechanical strength is low.