BK1005HM601-TV Filters

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Ferrite Beads and Chips are predominantly used in electronic applications where they provide a voltage suppressive effect. The BK1005HM601-TV is one such example. Highly effective in creating a low impedance path for common-mode noise, it is used extensively in preventing disturbances, such as radio frequency interference, concentrated noise pulses, and crosstalk, from radiating to other devices.

The device is a surface-mount common-mode filter that provides effective common-mode attenuation up to three GHz. It is designed to reduce such noise in limited area as it has a small size of 0.10 x 0.05 in (2.6 x 1.3 mm).

The BK1005HM601-TV is a Multilayer Chip Ferrite Bead consisting of high-purity magnetic material which is surrounded by a non-magnetic barrier layer. The bead itself is made of a certain ceramic material like strontium, calcium, iron, and chromium oxide. This makes it a high-frequency effective magnetic shield, similar to other types of multilayer chip ferrite beads.

At the core of the BK1005HM601-TV’s application field, is its convenient and effective performance. Noise rates can be attenuated up to 25 dB at 10 MHz for 50 ohm circuit. Similarly at 15 MHz, the device provides 15 dB of common-mode attenuation. This makes the BK1005HM601-TV perfect for applications such as portable products, USB and IEEE1394 digital interfaces, medical devices, cellular and cordless phones, networking components, and PC and laptop peripherals.

The working principle of the BK1005HM601-TV is simple. It is a voltage suppressor which forms a low impedance path for the common-mode noise. This is achieved by creating a low conversion resistance across the antenna present in the circuit. As the common-mode noise passes through the BK1005HM601-TV, the low conversion resistance absorbs noise energy and dissipates it as heat in the component itself. This suppresses the noise within the levels acceptable for the application.

The BK1005HM601-TV offers numerous advantages, including a wider frequency range of 0-3 GHz, lower ESR (equivalent series resistance) greater than 20 ohms, an insertion loss of 0.4-0.5dB, and low loss tangent of approximately 6%. The device is nontoxic, easy to assemble, and cost effective for a wide array of markets.

In summary, the BK1005 HM601-TV is a multi-layer chip ferrite filter which prevents interference from radiating or affecting adjacent circuits and components. It provides voltage suppression, a wide frequency range, low ESR and loss tangent, easy assembly, and is ideally suited for a number of applications.

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