51F-726-002

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EMI/RFI (electromagnetic interference/radiofrequency interference) filters are active components used to both attenuate EMI/RFI noise and protect a systems sensitive circuitry from external wireless signals and electromagnetic fields. EMI/RFI filters can be broadly categorized in two main types: LC (inductance-capacitance) networks and RC (resistor-capacitor) networks. The 51F-726-002 is one such LC network using an inductor and capacitor for filtering.

The 51F-726-002 is an excellent choice for applications where high noise immunity is needed. It is compact, lightweight, and has a wide working temperature range of -40° to +85°C. It is also designed to reduce noise in a broad frequency range, up to 18 GHz, while having low insertion loss. Additionally, the 51F-726-002 offers excellent differentiation on transient response and guarantees 25dB common mode rejection from 10 MHz to 2.4 GHz.

The 51F-726-002 works by allowing only AC signals of the desired frequency range to pass through the circuit, while rejecting others. It does this by using two components: an inductor and a capacitor. Inductors are coil-shaped components which store electrical energy in the form of a magnetic field. This field prevents electrical current from passing through at various frequencies, allowing only the desired frequency signals to pass. Capacitors, on the other hand, are multi-layered components with two metal plates that detect and reflect high-frequency signals.

Together, these components form a LC network which filters signals. The inductor of the 51F-726-002 filters out low-frequency signals, while the capacitor ensures the passage of higher frequencies up to 18GHZ. This network also acts as a line-isolation transformer by providing excellent isolation between the input and output ports. This further improves the performance of the 51F-726-002, offering protection from EMI/RFI noise and ensuring that only the signal of the desired frequency range passes through.

The 51f-726-002 is best suited for applications where a high degree of noise immunity is needed, such as medical instrumentation, telecom equipment, and industrial machinery. It is a reliable, cost-effective solution for any application that requires a high degree of noise immunity and circuitry protection from EMI/RFI signals.

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