ELF-18D428

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Common Mode Chokes are electrical components that have the ability to reduce the amount of electromagnetic interference (EMI) in a circuit caused by common-mode currents. A common-mode choke is typically used in high voltage applications to minimize noise or harmonics due to current flowing between different phases in the system.

The ELF-18D428 is a common mode choke designed for use in high voltage AC applications. It is a compact, lightweight and cost-effective solution for minimizing electromagnetic interference in applications where common mode noise needs to be reduced. It is capable of handling currents up to 18 Amperes. The ELF-18D428 has a high inductance of 200 mH and a low DC resistance of 5 milliohms for excellent EMI suppression.

The ELF-18D428 common mode choke is commonly used in a multitude of applications such as power electronic inverters, DC-DC converters, AC to DC converters, and Motor Control Systems (MCS). It is also used in power supplies, uninterruptable power supplies (UPS) and communications systems. In all of these applications, the ELF-18D428 is used to reduce the amount of EMI present within the system. It is an ideal solution for eliminating any type of common-mode noise.

The working principle of the ELF-18D428 choke is rather simple. When electricity passes through the choke, the magnetic field it generates around the metal core creates an increased inductance, which in turn reduces the flow of the current significantly. The reduced current causes a reduction in the amount of EMI present in the system. It is important to note that this effect is only seen with common-mode currents and does not affect differential-mode current-flow.

The ELF-18D428 is made with a die-cast aluminum enclosure and has two terminal covers to protect it from water and moisture. It also has two tiers of inductors to achieve maximum performance. It has a wide operating temperature range of - 40°C to + 125°C which makes it ideal for high temperature environments. The ELF-18D428 also has an overload protection feature that protects the device from over-currents.

The ELF-18D428 common mode choke is an excellent solution for applications such as motors, power electronics, and communication systems that require high levels of EMI suppression. Its compact size allows for easy installation while its high performance ensures the best possible EMI suppression. The ELF-18D428 is an ideal choice for applications that require a high level of EMI reduction and accuracy due to its wide operating range and overload protection features.

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