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The Cosel VAF503 is a compact AC/DC converter designed for PCB mounting. It provides a stable 3.3V DC output with a maximum current of 1A and a total wattage of 3.3W. The converter accepts a wide input voltage range of 85-264 VAC or 110-370 VDC, making it suitable for global applications.
Key electrical specifications include an efficiency of 68% and a line regulation of 20mV maximum. It also features built-in overcurrent and overvoltage protection circuits for enhanced reliability. The unit is designed for through-hole mounting and comes in a 5-DIP module package.
Environmental and safety features include an operating temperature range of -10°C to 71°C with derating, and safety agency approvals such as CE, cURus, and TUV. The VAF503 is compliant with RoHS3 regulations.
The Cosel VAF503 has a nominal output voltage of 3.3V, with a setting range of 3.19V to 3.47V.
The VAF503 can deliver a continuous output current of 1.0A, with a peak current capability of 1.2A.
The VAF503 accepts a wide input voltage range of 85 to 264 VAC or 110 to 370 VDC.
The operating temperature range for the VAF503 is -10°C to 71°C, with derating applied.
Yes, the VAF503 features overcurrent protection that works over 125% of rating and recovers automatically.