PSM4-821M-20T0

Feed Through Capacitors are used in a variety of high frequency applications where an isolated signal has to be transmitted through a common enclosures or barrier. The PSM4-821M-20T0 Capacitor is a feed through type capacitor normally used for high frequency signal bypassing, Isolation and Common Mode Filtering. This particular capacitor can handle a wide range of frequencies from UHF – SHF and operates over a 75 – 300Vdc working voltage.

The most common application for the PSM4-821M-20T0 capsule are in high frequency signal filtering, where high frequency signals must permeate through two sheets of metal connected by a common feedback resistor. This enables components of a circuit to be shielded from each other. In some applications, the PSM4-821M-20T0 is also used for high frequency signal bypassing, eliminating unwanted noise and cross-talk between two devices.

The primary working principle of the PSM4-821M-20T0 Capacitor is quite simple. The two plates of the capacitor operate as two electrodes, forming a virtual electrical barrier. When signals or current try to pass through this barrier, the current is blocked at the electrodes and is only ever allowed to pass through the metal sheet that separates them. This means that in order for any signal to pass through, it must pass through the metal plate and not be blocked by the electrodes.

The PSM4-821M-20T0 Capacitor is designed so that the amount of current that can pass through the barrier and between the electrodes is minimized, enabling the highest level of protection for high frequency signals. As a result, the capacitor does an excellent job of blocking noise and interference, allowing only clean, high-definition signals to be transmitted through the capacitor.

In addition to signal bypassing and filtering, the PSM4-821M-20T0 can also be used for common mode filtering, where the two plates of the capacitor act as a differential filter and can be used to reduce common-mode noise. This is especially important in applications where the signals are being transmitted through a common enclosure or barrier.

Overall, the PSM4-821M-20T0 Capacitor has a variety of applications that make it a popular choice for signal bypassing, isolation, and common-mode filtering. Its capacitor design allows for a high level of filtering, and the size and voltage ranges make it well suited for many high-frequency applications. As such, the PSM4-821M-20T0 is an ideal choice for many high-quality high-frequency applications.