X5R, X7R, Y5V, Z5U, NPO chip capacitor material difference? In simple terms, although all are ceramic chip capacitors, but because they use different dielectric layers, different chip capacitor material corresponding to different temperature characteristics.
The capacitance and error of these ceramic capacitors (production errors, not every one can be made) are defined at 25°C, room temperature. When their operating temperature is not at room temperature, their capacitance will change no matter if the temperature rises or falls.
Piezoelectric Rings For Ultrasonic Machining
Ultrasonic processing is a special processing tool that uses ultrasonic frequency to vibrate at small amplitudes, and through the impact of the abrasive free of liquid between it and the workpiece on the processed surface, the surface of the workpiece material is gradually broken.
Yuhai company is engaged in produce high performance piezoelectric elements,
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Zibo Yuhai Electronic Ceramic Co., Ltd. , https://www.yhpiezo.com