PL1930T

Series:	--
Part Status:	Active
Filter Type:	Power Line
Number of Lines:	2
Current Rating (Max):	--
DC Resistance (DCR) (Max):	150 mOhm
Voltage Rating - DC:	--
Voltage Rating - AC:	--
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Approvals:	--
Features:	--
Mounting Type:	Surface Mount
Size / Dimension:	0.300" L x 0.270" W (7.62mm x 6.85mm)
Height (Max):	0.250" (6.35mm)
Package / Case:	Vertical, 6 Gull Wing

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Common Mode Chokes have long been a major component in passive power supplies, providing ac filtering and grounding functions during operations. PL1930T is one of the most common type of common mode chokes, used in both medium and high frequency applications. This article will provide an overview of the applications of PL1930T as well as an explanation of its working principle.ApplicationsDue to its low profile, PL1930T is the preferred common mode choke for a variety of applications including power supplies, motors, and telecommunications. In electric motor control systems, PL1930T helps to suppress electric noise by filtering out high frequency currents. In power supplies, the common mode choke is typically implemented to reduce differential mode noise which can interfere with equipment operations. Additionally, it helps to reduce EMI (electromagnetic interference) which can cause chaos in radio and telecommunications networks. In these applications and more, PL1930T can greatly improve the performance of the system.Working PrincipleThe main purpose of the PL1930T is to block interfering common mode currents. It achieves this through the use of two coils with windings in opposite directions, resulting in the opposing fields that block interference. The design also allows the device to be self-grounded, thereby making it safe to use in electrically noisy environments.In terms of operation, the two coils of the PL1930T can be connected in series (also known as “in phase”) or in parallel (also known as “out of phase”). When connected in series, the device helps to reject common mode noise, whereas when connected in parallel it helps to reduce differential mode noise. This is the case due to the different magnetic properties of the two configurations.ConclusionOverall, the PL1930T is an invaluable tool in applications that require suppression of electrical noise. It has a low profile design which makes it ideal for confined spaces, as well as a self-grounding feature which makes it safe to use in electrically noisy environments. Additionally, the flexibility of the common mode choke allows it to be used in both series and parallel, granting it the ability to combat either common mode or differential mode noise. Its wide range of applications and its beneficial properties makes the PL1930T an essential component in modern day systems.

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