| Allicdata Part #: | 495-4492-ND |
| Manufacturer Part#: |
B85321A4205B630 |
| Price: | $ 89.05 |
| Product Category: | Filters |
| Manufacturer: | EPCOS (TDK) |
| Short Description: | FILTER LC(PI) 1UF TH |
| More Detail: | LC (Pi) EMI Filter 3rd Order Low Pass 1 Channel C ... |
| DataSheet: |  B85321A4205B630 Datasheet/PDF |
| Quantity: | 5 |
| 1 +: | $ 80.95500 |
| 12 +: | $ 76.76760 |
Specifications
| Series: | B85321 |
| Packaging: | Tray |
| Part Status: | Active |
| Type: | Low Pass |
| Filter Order: | 3rd |
| Technology: | LC (Pi) |
| Number of Channels: | 1 |
| Center / Cutoff Frequency: | -- |
| Attenuation Value: | 100dB @ 100MHz ~ 1GHz |
| Resistance - Channel (Ohms): | -- |
| Current: | 63A |
| Values: | C = 1µF |
| ESD Protection: | No |
| Operating Temperature: | -40°C ~ 85°C |
| Applications: | General Purpose |
| Voltage - Rated: | 600V |
| Mounting Type: | Through Hole |
| Package / Case: | Axial - Threaded Terminals |
Description
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EMI/RFI Filters are integral components for any electronic equipment to keep them in proper working condition and also reduce the noise and interference from devices such as mobile phones and computers. The B85321A4205B630 is one such filter that is suitable for the application of digital audio and video applications. It has been designed to achieve high level of attenuation of Electromagnetic and Radio frequency interference (EMI/RFI) and also act as a switchable filter for controlling the audio and video lines. The filter is a Low Pass Filter (LPF) and is made up of two sections which are an inductor-capacitor (LC) network and a resistor-capacitor (RC) network.
Application of B85321A4205B630
The B85321A4205B630 is mainly used for digital audio and video applications. It is suitable for a wide range of applications that require high levels of EMI/RFI attenuation such as in fault-tolerant systems, where the filter provides a high degree of reliability even in the event of component failure. The filter is also used for protection against common mode and differential mode noise that may cause glitches, clicks or dropouts in the audio and video signals. The filter also helps to reduce the effects of conducted and radiated EMI/RFI which can lead to performance degradation or malfunction of the equipment.
Working Principle
The B85321A4205B630 is a combination of two section filter. The first section is an LC network that consists of a series inductor and a shunt capacitor. This section is mainly used for reducing or blocking high frequency signals of EMI/RFI. The inductor and capacitor act together as a resonant circuit and have a cutoff frequency where the impedance of the circuit increases rapidly. This provides a low-impedance path for the high frequencies and stops them from passing through the filter. The second section is an RC network which consists of two series resistors with a shunt capacitor. This section acts as an attenuator, providing additional protection against common mode and differential mode interference that can occur in digital audio and video signals. The resistors act as voltage dividers, reducing any noise that is picked up by the line while the capacitor provides an open circuit for the high frequencies. The combination of both sections allows for a wide range of attenuation levels to be achieved.
Conclusion
The B85321A4205B630 is a multi-featured filter that is suitable for the application of digital audio and video applications. It consists of two sections, an LC network and an RC network both which provide protection against EMI/RFI interference. The LC network works to block any high frequency noise, while the RC network acts as an attenuator to reduce common and differential mode interference that can cause disruption to the audio and video signals. In conclusion, the filter provides high performance protection for electronic equipment from the effects of EMI/RFI.
The specific data is subject to PDF, and the above content is for reference
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