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Open Frame Switch Mode Power Supplies (SMPS) are compact, efficient power conversion devices designed to provide a stable output voltage from a varying input voltage. These units typically consist of a transformer, rectifier, and filter components, all mounted on a bare frame, allowing for effective heat dissipation and easy integration into various applications. Open frame designs are favored for their lightweight and space-saving characteristics, making them ideal for use in tight spaces.
| Input Voltage Range | 85V to 264V AC |
| Output Voltage | 5V to 48V DC |
| Output Power | 15W to 500W |
| Efficiency | Up to 90% or higher |
| Operating Temperature | -20°C to +70°C |
| Cooling Method | Natural convection or forced air |
| Regulation | ±5% for output voltage |
When selecting an open frame SMPS, consider the input voltage range and ensure it matches your application's requirements. Specify the desired output voltage and power level, as well as any specific efficiency ratings or thermal management features needed for your setup. Additionally, inquire about certifications such as UL, CE, or RoHS compliance, especially for applications in sensitive environments like medical or industrial settings.
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Typically, open frame SMPS units can last over 5 years with proper thermal management.
Generally, open frame SMPS are designed for indoor use; outdoor applications may require additional enclosures.
Common output voltages range from 5V, 12V, 24V, to 48V DC.
Yes, but ensure they meet specific medical safety certifications.
Calculate the total power required by your devices and choose an SMPS with a slightly higher rating.
Open frame SMPS are more compact and allow for better heat dissipation, while enclosed units offer protection from dust and moisture.