BK0402HM181-T Filters

Series:	BK
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Filter Type:	Signal Line
Number of Lines:	1
Impedance @ Frequency:	180 Ohms @ 100MHz
Current Rating (Max):	200mA
DC Resistance (DCR) (Max):	750 mOhm
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Package / Case:	01005 (0402 Metric)
Mounting Type:	Surface Mount
Height (Max):	0.009" (0.22mm)
Size / Dimension:	0.016" L x 0.008" W (0.40mm x 0.20mm)

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Ferrite Beads and Chips: BK0402HM181-T application field and working principle

Ferrite beads and chips are a type of passive component used to filter out high frequencies in power delivery circuits. Basically, they have a very low impedance at high frequencies, making them highly effective at removing frequencies which are disruptive or detrimental to a component or circuit. BK0402HM181-T chips, in particular, are an especially effective type of ferrite chip; it’s manufactured by TDK and used by many electronic device designers to improve power delivery in order to ensure better performance and results.BK0402HM181-T chips are most often used in portable electronic devices because they offer superior performance in terms of filtering out unwanted high frequency noise, as well as providing better overall power distribution. The chip itself is a flat disc with a ferrite core, which acts to block out high frequencies while leaving lower frequencies unaltered.The chip\'s design makes it suitable for application in low-profile designs; the chip has a height of only 0.4mm which makes it small enough to fit into tight spaces where traditional filters would not be able to. Additionally, the chip’s ceramic material provides protection from mechanical wear and tear, so it can handle a greater number of operations compared to traditional filters.In terms of its working principle, BK0402HM181-T chips are connected in series between the power supply and the rest of the circuit. High frequency noise which would otherwise travel through the circuit is instead blocked by the chip, while the lower frequencies pass without issue. As a result, the frequency response of the circuit is reduced, increasing the signal purity and thus improving the performance of the circuit.The BK0402HM181-T chips are specifically designed for use in high frequency applications; they are able to block out up to 10 GHz of frequency interference, making them highly effective at eliminating unwanted noise from a circuit. Additionally, they are designed for use in environments with higher temperatures, so they can serve well in environments with more severe operating conditions. Overall, the BK0402HM181-T chip is an effective way to remove high frequency noise without compromising the integrity of the source signal. They are designed to be as small as possible, yet still provide good high frequency performance, making them well-suited to applications that require a high level of performance from a small form factor. Additionally, they are able to function in harsher environments which is a major advantage for applications in the medical and industrial fields.

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