Why Can't SMT Ceramic Capacitors Completely Replace Plug-in Capacitors At Present

Installation location and method: In some applications that require high-precision filtering, such as audio processing, wireless communication, etc., the installation location and method of plug-in capacitors are limited, making it difficult to meet the requirements of high-precision filtering. And SMT capacitors can be flexibly installed and configured to meet the requirements of these applications.

Reliability: Plug in capacitors need to withstand more tests during installation and connection, such as vibration, temperature changes, electromagnetic interference, etc. Chip capacitors have advantages in this regard because they are usually installed and connected on the chip, which can better resist the influence of these external factors.

Capacity and accuracy: In some applications that require high-precision filtering, such as audio processing, wireless communication, etc., the capacity and accuracy of plug-in capacitors may not meet the requirements. Chip capacitors have advantages in this regard because their capacity and accuracy are usually higher.

Cost: Plug in capacitors are usually cheaper than SMT capacitors, so in some applications that require a large number of capacitors, using plug in capacitors can reduce costs.

In summary, although SMT capacitors have advantages in size, weight, and reliability, they still cannot completely replace plug-in capacitors because they have different application requirements in different situations. In different applications, it is necessary to choose the appropriate capacitor form according to the specific situation.