MF72-050D9

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Inrush current limiters (ICLs) are widely used in applications where a sudden high surge makes a large amount of electrical current flow through the system. Typically, a common ICL such as the MF72-050D9, is installed to the power input of a device. The current limiter helps to reduce the amount of current to a safe level during start-up.

The MF72-050D9 ICL is a bi-directional thyristor based device specifically designed to protect power supplies and electronic circuits from inrush current. The ICL limits inrush current during startup and prevents current excessive current flow. The small form factor of the device makes it a great choice in applications where space is limited. It also has a wide operating range of -40°C to +85°C, making it suitable for a variety of temperature conditions.

The working principle of the MF72-050D9 is quite simple. The device is powered directly from the AC power supply and is connected in series between the mains and the device load to provide protection. During start-up, the ICL controls the current flow into the system, limiting it to a preset level. This reduces the amount of inrush current, preventing damage to the system due to overload.

Due to its small form factor and wide operating temperature range, the MF72-050D9 ICL is well-suited for a variety of applications. It is often used in applications where a high inrush current would otherwise be dangerous, such as in medical equipment, home appliance, security systems, and solar cells. It is also often used in audio-visual systems to reduce inrush current for power amplifiers.

The ICL is also a great choice for laboratory testing, as it allows for the safe testing of components without the risk of excessive current. In addition, the device is widely used in consumer electronics such as laptops, smartphones, and tablets, where it keeps the current within safe levels during start-up.

In summary, the MF72-050D9 ICL is a bi-directional thyristor based inrush current limiter specifically designed to protect power supplies and electronic circuits from inrush current during startup. It has a small form factor and a wide operating temperature range, making it an ideal choice for a variety of applications. As a result, the device is often used in medical equipment, home appliance, security systems, and solar cells, as well as in consumer electronics such as laptops, smartphones, and tablets.

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