KNH16C105DB5TS Filters

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EMI/RFI filters, or electromagnetic interference (EMI) and radio frequency interference (RFI) filters can be found in almost any electronic device and are designed to reduce interference, both generated by and emitted from other electronic devices. They are used in everything from computer and television screens to cellphones, radios, GPS units, tablets, musical instruments, amplifiers, speakers, and anything else that requires low interference. The most common type of EMI/RFI filter are LC (Inductor-Capacitor) networks, which work to reduce interference by blocking the amount of energy that can pass through and by dissipating energy to prevent re-transmission. One of the most popular LC Networks is the KNH16C105DB5TS, which is commonly used in medical, consumer, and automotive applications.

The KNH16C105DB5TS is a two-resistor, dual-inductor, low-impedance EMI/RFI filter that features an operating temperature range from -55 to +105°C. This filter is designed to effectively attenuate moderate-to-higher frequency EMI, up to 1 GHz, while providing low leakage current and high common-mode noise attenuation levels. It is also designed to reduce return loss for better insertion loss performance. As such, it is ideal for use in a variety of applications including the ones mentioned above, as well as other applications where wideband noise suppression is needed (e.g., switching power supplies and LED lighting).

The KNH16C105DB5TS filter uses a combination of inductive and resistive components to reduce the interference generated by other components, external sources, and ESD events. The two inductors are designed to reduce high-frequency interference while the two resistors are designed to reduce lower-frequency interference. The inductors also help reduce the common-mode voltage while the resistors reduce the peak amplitude of the noise, helping to lower EMI levels.

In addition to reducing EMI, the KNH16C105DB5TS also reduces RFI. RFI filters are designed to reduce the radio frequency energy generated by various sources, such as cellphones and radios, as well as external sources, such as satellites, power lines, and even other EMI/RFI filters. The KNH16C105DB5TS filter is designed to reduce RFI by blocking the amount of energy that can pass through and by dissipating energy to prevent re-transmission. The two inductors in the filter reduce the amount of RFI energy that can pass through, while the two resistors reduce the peak amplitude of the noise, helping to lower RFI levels.

The KNH16C105DB5TS filter is a popular choice for EMI/RFI filtration in a variety of applications. It is especially useful in medical and automotive applications due to its ability to reduce high-frequency interference while providing low leakage current and high attenuation levels. It is also ideal for consumer electronics and LED lighting applications where wideband noise suppression is needed due to its combination of inductive and resistive components. The KNH16C105DB5TS is an effective and efficient EMI/RFI filter that can help reduce noise and interference for a wide range of applications.

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