RAC40-15SA-E

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AC/DC converters, also known as power supplies, are electronic subsystems that convert alternating current (AC) input power into direct current (DC) output power. Normally, AC/DC converters use solid-state components along with either a switching or linear regulator design to ensure that the correct level of output voltage is available – either unregulated or regulated. In this article, we will be looking at the application field and working principle of one such AC/DC converter - the RAC40-15SA-E.

The RAC40-15SA-E is a single-phase, unregulated converter that is specially designed for use in limited-space environments. Such environments include aviation, industrial, and medical applications, where size is a constraint. It produces an output voltage of 15V and an output current of 40A, with an efficiency of up to 96.91%. It is UL/CSA listed and CE marked, making it compliant with safety and electromagnetic compatibility standards in both Europe and North America.

The RAC40-15SA-E features an internal PWM control loop to ensure optimal electrical performance. This PWM loop tracks the load current to adjust the pulse width modulation (PWM) duty cycle and output voltage accordingly. This way, the converter is able to maintain tight control over the output current and voltage. In addition, the output voltage can be fine-tuned via an external voltage adjustment resistor.

The RAC40-15SA-E also has short-circuit and overload protection. It has a hiccup-mode internal overload circuit that protects the converter from short-circuit and overload conditions. In such cases, the converter will automatically shut down, and then restart after the overload has been resolved. This self-protecting feature makes the RAC40-15SA-E very reliable and safe to use, even in harsh and hazardous environments.

The RAC40-15SA-E is designed to work in environments with operating temperatures ranging from -25°C to +85°C and cooling air flow rates ranging from 0.2m/s to 0.4m/s (7.9ft/min to 15.7ft/min). It also provides an external board-mounting option as well as insulation-barrier terminals to protect against shock and vibration.

In summary, the RAC40-15SA-E is a useful AC/DC converter specifically designed for use in limited-space environments such as aviation, industrial, and medical applications. It has an output voltage of 15V and an output current of 40A, with an efficiency of up to 96.91%. It also comes with an internal PWM control loop, short-circuit and overload protection, and operates in a wide temperature range. With its wide range of features and safety standards, the RAC40-15SA-E is a great choice for those looking for an efficient and reliable power supply solution.

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