PLA10AN3030R4R2B

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	0.689" (17.50mm)
Size / Dimension:	0.709" L x 0.630" W (18.00mm x 16.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-25°C ~ 60°C
Series:	PLA10
Voltage Rating - DC:	300V
DC Resistance (DCR) (Max):	--
Current Rating (Max):	400mA
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Obsolete
Packaging:	Bulk

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Common Mode Chokes

Common Mode Chokes, also known as CM chokes or CMCs, use the principles of magnetic field principles to create a filtering effect. The PLA10AN3030R4R2B belongs to this type of circuitry. It is designed to reduce electromagnetic interference (EMI) from cables, circuits, wires, and other interference sources.Common mode chokes consist of two or more ferrite cores wound with a single coil of wire. This coil is connected in parallel with the two cores to form a transformer. The cores are also placed between two magnets to create a strong magnetic field. When current flows through the wire, this creates a strong magnetic field around the cores which acts as an EMI filter.The PLA10AN3030R4R2B application field includes power supppes, serves, RF radios, and other delicate components, as well as digital and analog circuits. This model uses a proprietary winding configuration which produces a very low resistance from 1 to 30KHz, and provides a wide frequency bandwidth. The filter characteristics are not affected by loading or voltage, thus making it an ideal choice for general-purpose filtering.The working principle of the PLA10AN3030R4R2B is based on the transformer principle, where the current is divided among the two cores and equal amounts of current flow in them. As in a regular transformer, when current flows through the primary coil (wire), it creates a magnetic field in the cores which in turn induces a current into the secondary coil (the wire in the opposite direction). This induces a current in the opposite direction and creates a filtering effect for the common mode and differential mode noise. The main advantage of this model is its flexible design that allows it to be used in a variety of applications. The core material is made of nano-crystalline cobalt ferrite which provides low leakage and high frequency characteristics, while the magnet is made of neodymium-iron-boron which provides a high saturation field.The main disadvantage of the PLA10AN3030R4R2B is that it does not provide good transient protection due to its low saturation field. Therefore, it is suggested to couple it with other filter components like a buffer and an RLC filter to provide effective transient protection. Additionally, although the wide bandwidth allows for good noise immunity, it also reduces the signal quality.In conclusion, the PLA10AN3030R4R2B application field and working principle make it an ideal choice for basic EMI filtering in a wide range of applications, such as power supplies, servers, RF radios, and other sensitive components. Its flexible design, nano-crystalline core material and neodymium-iron-boron magnet provide effective filtering with a wide frequency bandwidth. Furthermore, this model provides good noise immunity but its low saturation field prevents it from providing a good transient protection. To solve this issue, it is suggested to couple the choke with other components like a buffer and an RLC filter.

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