LF2020NP-333

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	0.886" (22.50mm)
Size / Dimension:	0.827" L x 0.638" W (21.00mm x 16.20mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	--
Series:	LF
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	3.42 Ohm
Current Rating (Max):	300mA
Inductance @ Frequency:	33mH @ 1kHz
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Active
Packaging:	Bulk

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Common Mode Chokes OverviewCommon Mode Chokes (CMCs) are a type of intentionally inductive components found in many electronic circuits. They are designed to reduce EMI (electromagnetic interference) noise in data lines by sinking or providing extra current to produce an opposing magnetic field. CMCs are normally found in circuits such as radios, consumer electronics, telecommunications, and automobiles.The LF2020NP-333 is a type of CMC designed to meet the needs of the automotive industry, providing high performance for a wide variety of applications. The LF2020NP-333 is a low profile, surface-mount part, measuring just 0.59 mm in height. This allows for faster assembly times and greater flexibility when designing the PCB layout.Application Field of the LF2020NP-333CMCs are designed for use in a variety of applications, ranging from DC/DC converters and motor control systems to telecommunications and fiber optics. The LF2020NP-333 is specifically designed for automotive applications, such as Vehicle Area Networks (VANs) and Automotive Audio Bus (AAB). VANs support multiple ECUs (electronic control units) to communicate with each other, performing tasks such as monitoring vehicle functions and controlling safety systems. AAB is used for connecting audio devices, such as car stereos and multimedia systems. The LF2020NP-333 has a wide frequency range of 1 MHz to 100 MHz, making it an ideal choice for a variety of data and communication applications. Its low inductance, high isolation, and low thermal resistance ensure excellent performance, even in the most demanding automotive applications.Working Principle of the LF2020NP-333The LF2020NP-333 operates as an inductor-capacitor (LC) network. This LC network creates a high-frequency filter that blocks, and hence reduces, any EMI noise that may be present in the system. Common mode chokes effectively shield data lines from external EMI noise, preventing its signals from being corrupted by external interference. In addition, the LF2020NP-333 also allows currents in both directions to flow, meaning that, unlike an RC filter solution, the CMC can accommodate bidirectional currents in the data line. This allows the system to be highly reliable and ensures that any data transmission is free from errors.ConclusionThe LF2020NP-333 is an effective CMC solution for automotive applications. It offers a wide frequency range and excellent performance, making it an ideal choice for any application requiring high levels of EMI protection. Its low profile allows the CMC to be effectively mounted on a PCB, while its LC network provides excellent bidirectional current capabilities. All these features make the LF2020NP-333 a powerful tool for any automotive system requiring effective and reliable EMI protection.

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