Key points for purchasing capacitors: How to select appropriate capacitors based on parameters such as voltage, capacitance value, temperature coefficient, etc.

FAQs for capacitors:

• Capacitor value drift: Cause analysis and solution.
• Leakage: How to detect and prevent.
• Short circuit and open circuit: cause and troubleshooting method.
• Notes on capacitor application: Suggestions on circuit design, welding, storage, etc.
• Capacitor troubleshooting: Provides detection methods and repair suggestions for common faults.