4400-035 Datasheet/PDFFeed through capacitors also referred to as 4400-035, are conductive components that provide electromagnetic shielding between two conductive surfaces. They are used in a variety of applications to reduce electrical noise in circuits, protect high voltage circuits, and prevent electrical interference and lightning strikes in sensitive electronic equipment.
Application Field
4400-035 feed through capacitors are predominantly used in applications where signal integrity and electrical noise reduction need to be prioritised. These include:
- Automation systems
- Aircraft and military electronics
- Industrial radio frequency systems
- High-frequency consumer applications
- Computer networks and systems
- Telecommunications
- Electron microscope systems
These capacitors can also be used in a variety of industrial applications such as manufacturing, transportation, robotics, power transmission, and control systems. Additionally, 4400-035 can be used in automotive, medical and other electronic applications.
Working Principle
Feed through capacitors work by transferring electrical current between two conductive surfaces without any physical contact or electrical leakage. They do this by providing a path through which both AC and DC signals can pass without disruption or interference. Depending on the type of capacitor, they may be used to reduce electrical noise, attenuate certain frequencies, or even protect high voltage circuits.
The basic principle of operation involves the principle of capacitance, which states that two conductive surfaces placed a certain distance apart will store electrical charge. This stored electrical charge forms a "capacitor" that blocks the flow of certain frequencies. By using capacitors, the two surfaces can effectively block AC power and reduce or stop the flow of undesirable electrical signals.
In a typical application, two capacitor plates are inserted into a layer of insulating material such as plastic, fabric, or foam. When the plates come into contact with one another, the stored electrical charge is transferred between the two plates, creating a capacitor, which acts as a shield against outside interference.
Conclusion
Feed through capacitors, also known as 4400-035, provide a highly reliable form of protection for a variety of applications. By providing a non-contact connection between two conductive surfaces, they can reduce or stop the flow of unwanted electrical signals. They are widely used in a variety of industries and electronics applications to provide superior performance, noise reduction, and higher functional reliability.