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The TDK Corporation MWS65-48 is an open-frame, chassis mount AC-DC power supply designed for medical applications. It delivers up to 67W of output power with a nominal 48V output voltage, adjustable within a range of 43.2V to 52.8V.
This power supply operates with a wide AC input voltage range of 85-265VAC and also supports a DC input range of 120-370VDC. It boasts high efficiency, up to 89%, and a low off-load power draw of less than 0.3W at 230VAC. Key electrical specifications include line regulation of 0.4% and load regulation of 0.8%. The operating temperature range is -20°C to +70°C.
With dimensions of 4.00" L x 2.00" W x 1.00" H, the MWS65-48 is designed for easy integration. It meets stringent safety agency certifications including UL, CSA, EN, and CE, making it suitable for demanding medical and ITE applications. The unit also includes overcurrent and overvoltage protection features.
The AC input range is 85 to 265 VAC (47-440Hz) and the DC input range is 120 to 370 VDC.
The output voltage range is 43.2 to 52.8 VDC (adjustable), with a nominal 48V output at 1.4 A for 67.2W total power.
The operating temperature range is -20°C to +70°C, with linear derating to 50% load from 50°C to 70°C; guaranteed start-up at -25°C.
The MWS65-48 is an open-frame, chassis-mount converter with dimensions 101.6 x 50.8 x 25.4 mm and a weight of 150 g.
It is certified to UL60950-1, CSA60950-1, EN60950-1, EN50178, and medical standards UL60601-1 and EN60601-1 (2nd & 3rd edition).
Efficiency is 89% at 230VAC and 87% at 115VAC.
Overcurrent protection trips at >105% of rated output, and overvoltage protection clamps at 115-135% of nominal output voltage.