MF72-000.7D25

Series:	MF72
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
R @ 25°C:	700 mOhms
Tolerance:	±20%
Current - Steady State Max:	12A
R @ Current:	14 mOhms
Diameter:	1.083" (27.5mm)
Lead Spacing:	0.394" (10.00mm)
Approvals:	--

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Inrush current limiters (ICLs) are devices that are designed to control the inrush of current into a circuit or system. They are used to reduce the risk of a system-wide power spike caused by energizing a circuit or system after being off, and to protect other components in the circuit from electrical damage due to high inrush currents. The MF72-000.7D25 is a part of the family of inrush current limiters that is specifically designed for Point-of-Load applications and is well suited for low voltage power supplies. It is a surface-mountable integrated circuit (IC) that can be placed on the same printed circuit board (PCB) as the load, thus reducing a potential source of electromagnetic interference (EMI) due to unwanted switching currents. It also has an adjustable overload protection feature that allows it to protect systems from overvoltage and overcurrent conditions. The MF72-000.7D25 inrush current limiter employs a variety of technologies to limit inrush current. The most common of these technologies is the use of thermistors. Thermistors are resistors that are temperature-dependent; their resistance increases as their temperature rises. In the MF72-000.7D25, a thermistor is inserted into the power distribution network. When the power is switched on, the voltage across the thermistor increases, causing its temperature to rise and its resistance to increase. This in turn reduces the inrush current, limiting its peak and allowing the system to start up safely. Another key technology employed by the MF72-000.7D25 is the use of an impedance compensation component, such as an inductor or capacitor. An impedance compensation component is inserted in parallel with the thermistor to decrease the startup time of the circuit, which helps ensure that the system is not subject to unnecessarily high inrush currents for an extended period of time. This greatly improves the reliability of the system and reduces the likelihood of system damage.The MF72-000.7D25 inrush current limiter also offers adjustable overcurrent protection. This is done by using an additional circuit that monitors the current flowing through the inrush current limiter. If the current exceeds a certain level, this circuit will open, preventing the circuit from being powered and resulting in a safe shutdown. This overcurrent protection ensures that the circuit is not damaged due to excessive inrush currents.In conclusion, the MF72-000.7D25 inrush current limiter is designed to protect Point-of-Load circuits and systems from potential damages caused by excessive inrush currents. It utilizes thermistors and impedance compensation components to limit the peak current and ensure that the system is shut down safely in the event of an overcurrent situation. Additionally, it offers adjustable overcurrent protection to further protect the system.

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