SRF0905A-500Y

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Common Mode Chokes is a type of electrical device, which helps to suppress the electromagnetic interference (EMI) generated by high-frequency signals in power and data cables. The SRF0905A-500Y is a common mode choke designed for single-phase, three-phase applications, as well as power transformer feedback circuits. It combines EMI filters and choke coils to provide effective filtering for various communication cables, and is widely used in applications including industrial automation, automotive electronics, consumer electronics and more.

The SRF0905A-500Y magnetic component has a wide inductance range (from 0.12uH to 0.15uH), and is able to reduce conducted and radiated noise while occupying a minimized space in the circuit. This common mode choke is suited for applications that require a low insertion loss and improved power efficiency, and the maximum working voltage of this device is 350VAC and its rated current is 500mA.

SRF0905A-500Y employs three electric conductive coils to block DC electric current, while allowing AC electric current to operate on two wires at the same time. The coils are wound around a ferrite core, with high permeability and low losses. This device also features a wide transmission frequency range (from 150kHz to 30MHz) and has an attenuation of up to 30 dB. In addition, the SRF0905A-500Y can also reject common mode noise with high reject ratios, allowing for improved signal transmission in high-speed systems.

The application field of the SRF0905A-500Y includes motors, lighting systems, voltage motors, transformers, power supplies, power adapters, switchgear, machine tools, telecommunication systems, and other power electronic devices. It offers excellent efficiency in suppressing electromagnetic interference, as well as low loss, high power capacity, and a wide operating temperature range. Furthermore, the SRF0905A-500Y is also suitable for the environment that requires a high derating temperature, due to its 174-degree Celsius maximum temperature rating.

The working principle of the SRF0905A-500Y is based on the principle of magnetic isolation, which works in two ways. First, the winding of the common mode choke effectively blocks the direct current coming from the power source. As a result, all of the alternating current coming from the power source is transferred through the coils of the SRF0905A-500Y. This helps to reduce the impact of any noise on the power line.

Second, the ferrite core of the SRF0905A-500Y provides very high magnetic permeability, which helps to reduce the amount of interference caused by the alternating current. The core also helps to reduce the overall size of the common mode choke, allowing it to be used in smaller spaces. With this, the SRF0905A-500Y is able to provide effective EMI suppression even in densely packed electronics.

In conclusion, the SRF0905A-500Y is a high-performance common mode choke designed to suppress the electromagnetic interference generated by high-frequency signals in power and data cables. It has an excellent efficiency in blocking both DC and AC electric current, and features a wide transmission frequency range as well as a wide operating temperature range. With its low losses, high power capacity, and high derating temperature range, the SRF0905A-500Y is a highly versatile device suitable for many applications in industries such as industrial automation, automotive electronics, and consumer electronics.

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