ELF-18D612

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The ELF-18D612 is a common mode choke specifically designed to address the issues related to electrical noise interference in various applications. It offers an effective high-frequency EMC filtering solution, helping to reduce radio frequency interference (RFI) and improve signal integrity. The choke can be used in a wide range of settings, from industrial process automation and automotive to consumer electronics, communications, and more.

The ELF-18D612 is a surface-mountable common mode choke constructed of a sealed plastic case, offering superior shock, vibration, and altitude performance. It is designed with two symmetrical coils, each providing its own inductance, which are then interconnected with a ferrite core. The ELF-18D612 is capable of working over a wide operating temperature range of -55°C to +125°C.

The working principle of a common mode choke is based on the notion of filtering out an electromagnetic field (EMF) by providing a low-resistance path for currents flowing in and out of the affected area while blocking the transmission of any higher-frequency interference. This decreases the capacitive coupling between two systems, which in turn minimizes the amount of conducted noise transferred without affecting the desired signals.

In the case of the ELF-18D612, a low-impedance path is created by the two coils, while the ferrite core helps to further reduce the effect of high-frequency interference. The choke also features a low DC resistance of 0.03Ω, allowing it to be compatible with a wide range of components and systems. Additionally, its small size, excellent insertion loss characteristics, and wide frequency range are all great features for the ELF-18D612.

Common mode chokes are used in a variety of applications. In industrial process automation, the chokes are used in AC motor drives, variable frequency drives (VFDs), and renewable energy systems. In automotive and transportation applications, they are used in autopilots, navigation systems, steering, and engine control. Additionally, the chokes can be used in broadcast and communications systems, particularly in cellular phone systems, wireless local area networks (WLANs), and GPS systems. They are also used in consumer electronics, such as TVs, stereo systems, and home audio/video systems.

In summary, the ELF-18D612 is a versatile common mode choke, offering an effective solution to reduce RFI and mitigate signal integrity issues in a range of applications. Its small size and wide operating temperature range make it suitable for a variety of settings, while its excellent insertion loss characteristics and low DC resistance further enhance its functionality. Elna stands behind the quality of its products, offering industry-leading technical support to address any application question that may arise during installation or implementation. The ELF-18D612 is a stand-out choice for reducing electromagnetic interference in a variety of settings.

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