BLM15AG100SN1D Filters

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Ferrite beads and chips are typically used as components for EMI filters in power system electronics, and are relatively common in many contemporary electronic products ranging from industrial machinery to consumer electronics. The BLM15AG100SN1D is a popular component for such applications due to its combination of low cost and high performance. In this article, we will discuss the application field and working principle of the BLM15AG100SN1D.

The BLM15AG100SN1D is an EMI filter made with ferrite core and copper windings consisting of a series of resistive capacitive elements connected in a circular loop. The ferrite core acts as a magnetic field absorber to reduce electromagnetic interference (EMI). The copper windings provide current paths for the radio-frequency interference (RFI) that is generated by the circuit. Coils and capacitors are added to the windings to reduce the amount of EMI that is transmitted and suppress the RFI.

The BLM15AG100SN1D is primarily used in power systems in digital and analog circuitry. It is also often used in radio receivers and transmitters. In digital circuits, the core can act as an RFI filter to reduce or eliminate interference from neighboring circuits and other sources of RFI. Additionally, in analog circuits, it can act as an EMI filter . By blocking the high frequency signals from DC power wires, it can prevent from causing a voltage drop in the circuit.

The BLM15AG100SN1D works by combining the ferrite core and the copper windings to form an inductor. The inductor acts as a filter which blocks any high frequency signals, allowing only the low frequency signals to pass through. The resistive-capacitative components work together to further reduce or eliminate any RFI which may be present in the circuit. As the ferrite core absorbs the electromagnetic interference (EMI), the RC components work to absorb the generated RFI. This creates a very efficient EMI/RFI suppression system.

In conclusion, the BLM15AG100SN1D application field is mainly used in power system electronics and radio receiver/transmitters due to its low cost and high performance. The working principle of the BLM15AG100SN1D involves combining the ferrite core and the copper windings to form an inductor and resistive-capacitive components together to further reduce or eliminate any RFI present in the circuit. By doing this, it is able to reject high-frequency interference and provide a very efficient EMI/RFI suppression system. These features make the BLM15AG100SN1D an ideal component for many applications in the power systems and radio technology.

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