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| Ceramic capacitors have a solid body made of high-temperature, ceramic resistive material with bonded metal contacts. Specifications Ceramic Capacitors: Ceramic COG (NPO) - Ceramic COG (NPO) capacitors have a high Q, low K, temperature-compensated dielectric and stable electrical properties under varying voltage, temperature, frequency and time. They are suitable for low-lost circuits and for timing and tuning applications. There are several unofficial, colloquial temperature coefficient designations for capacitors. The temperature coefficient is given as P for positive and N for negative, followed by a 3-digit value in ppm/°C. For example, P100 is +100 ppm/°C and N220 is -200 ppm/°C. The exception to this system is NPO where the letter “O” instead of the number “0” is used; however, the term NP0 is not uncommon. Both NPO and NP0 indicate that the capacitor is stable with temperature. Ceramic X7R - Ceramic X7R (BX) capacitors have moderate K values and are temperature-stable. They exhibit moderate changes in electrical properties under conditions of changing temperature, voltage, and frequency. X7R capacitors are suitable for bypass, coupling, and frequency discrimination circuit applications. X7R capacitors exhibit no more than 15% capacitance deviation over a -55 °C to +125 °C temperature range. Ceramic Z5U - Ceramic Z5U capacitors are Class III devices with a dielectric that exhibits a maximum capacitance change of +22% - 56% over an operating temperature range of +10 °C to + 85 °C. Search for Ceramic Capacitors products in eComp's Part Search and Stock Search or use our Quote Request Form.
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