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The JWS50-3/RB is a 50W AC/DC converter from TDK Corporation, part of the JWS50 series. It delivers a single regulated output of 3.3 VDC at 10 A. The converter accepts a universal AC input of 85-265 VAC (47-63 Hz) or a DC input of 120-330 VDC, making it suitable for global applications.
Key electrical specifications include a typical efficiency of 65%, a hold-up time of 20 ms, and a leakage current of 0.75 mA. The device features overcurrent protection (triggering above 105% load) and overvoltage protection. The operating temperature range is -10°C to 60°C with derating, and the temperature coefficient is less than 0.02%/°C.
The converter is designed for reliable operation with a withstand voltage of 2 kVAC from input to ground. It is intended for use in industrial and commercial power supply systems requiring a stable 3.3V rail.
The output voltage is 3.3 VDC and the output current is 10 A.
The input voltage range is 85-265 VAC (47-63 Hz) or 120-330 VDC.
The operating temperature range is -10°C to 60°C with derating.
Yes, it has overcurrent protection that triggers above 105% of the rated load.
The typical efficiency is 65%.