CMH322522-15NML

DC Resistance (DCR):	160 mOhm Max
Height - Seated (Max):	0.094" (2.40mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Supplier Device Package:	1210
Package / Case:	1210 (3225 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	2.1GHz
Q @ Freq:	19 @ 100MHz
Series:	CMH322522
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	450mA
Tolerance:	±20%
Inductance:	15nH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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This article is about the CMH322522-15NML fixed inductors, and will cover the application field and working principle of this product.

Fixed inductors are used mainly in the fields of home appliances, such as vacuum cleaners, mixer grinder, and washing machines, and in electronic automotive parts, such as car radio detector, navigation systems, and ECU. This specific inductor is made from ceramic, has metallic-layer windings, and is soldered directly to the circuit board without using a clip.

The CMH322522-15NML is a fixed inductor with a resistance of 15 ohms and an inductance of 0.22mH, making it a good choice for controlling or limiting electrical current in low- to mid-power circuits. The 0.22mH inductance is just the right level to allow for efficient signal transmission, while limiting the current draw to prevent the circuit from being overloaded or damaged.

The inductors can also be used for noise filtering, which is important for reducing interference between components. The inductor acts as a low-pass filter, blocking higher frequency signals while allowing lower frequency signals to pass through with no distortion. This is especially useful for audio circuits, as it helps to ensure that sound signals remain clear and distortion-free.

The working principle of a fixed inductor is relatively simple. Whenever an electric current is applied to an inductor, a magnetic field is created, which opposes any change in the current. This means that if the electric current is suddenly increased or decreased, the inductor will absorb some of the energy, thereby protecting the circuit from excessive current.

The inductance of the CMH322522-15NML inductor is great enough to ensure good protection from sudden current surges, without compromising the signal transmission or the effectiveness of the noise filter. It is also designed to withstand high temperatures, making it an ideal choice for applications that require an inductor with reliable performance.

In conclusion, the CMH322522-15NML is a high-quality, reliable fixed inductor. It is suited to a range of applications, from controlling electrical current in low- to mid-power circuits to noise filtering in audio circuits. Furthermore, its inductance level is just right for providing effective protection from any sudden current surges, while not compromising on signal transmission.

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