SRAH-12F2500

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A DC-DC converter is a type of electrical device that changes a direct current (DC) voltage from one level to another. It is commonly used to convert a voltage level which is higher or lower than the voltage of the power source. The SRAH-12F2500 series of DC-DC converters from Selco is part of their standard product ranges.

The SRAH-12F2500 are an isolated type converter which is capable of providing an isolated output and up to 2500 watts of power. These converters have a wide input range of 36 to 72 VDC and are available with different output voltages, including voltages between 0.4 and 54 VDC. It features a constant frequency of 110KHz switching with a high efficiency of up to 95%.

The SRAH-12F2500 also includes a built-in over-current, over-voltage, and short-circuit protection. The over-current protection is set point adjustable with auto recovery and will shut down the converter in the event of an over-current condition. The over-voltage protection will shut down the converter if the input voltage exceeds the rated value, while the short-circuit protection ensures that the converter will shut down if a short-circuit occurs on the load.

The most important and unique feature of the SRAH-12F2500 series is that it can deliver more power than conventional designs. This is accomplished through an efficient switching frequency that allows the converter to operate at higher power levels without generating a significant heat dissipation.

The SRAH-12F2500 can be used in a variety of applications, including automotive, medical, industrial, and communications applications. The device is also suitable for use in portable systems, and mobile and fixed industrial applications. The device operates reliably under temperature shifts from -40°C to +85°C.

The working principle of the SRAH-12F2500 DC-DC converter is based on the switching frequency of 110KHz. The converter has two switching stages, which are driven by an proprietary driver IC to ensure efficient and accurate power transfer. When the input is connected to the power source, the driver IC provides the correct switching frequency to the converter. The converter uses two MOSFETs which switch at the predetermined frequency to generate a constant output voltage.

The converter then transforms the input voltage to the desired output voltage, while regulating, filtering, and converting it. The transformer winding ratio is also important in this process, as it determines the output voltage level. The output voltage is also regulated to prevent any voltage noise from entering the output stage.

The SRAH-12F2500 series of DC-DC converters from Selco are an efficient and reliable solution for applications requiring a wide input range and up to 2500 watts of power. With its wide input range, adjustable switching frequency, and efficient power transfer, the SRAH-12F2500 is suitable for a variety of applications. As such, it provides an ideal solution for automotive, medical, industrial, and communications applications.

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