TDK-Lambda Unveils Convection Cooled 300-W Power Supplies
February 6, 2013. TDK Corp. has announced the release of TDK-Lambda’s latest addition to its ZWS line of compact AC/DC power supplies. The new single-output ZWS300BAF series provides 300 W with convection cooling (no fans required). This design eliminates the need for fan maintenance and reduces acoustic noise and vibrations. These units have a low profile of 1.45” and a compact footprint of 3.31” x 7.01”, making them suitable for applications in light industrial, LED signage, test and measurement, communications, gaming, point-of-sale, and IT equipment.
The supplies operate from a universal input of 85 to 264 VAC, 47 to 63 Hz, with PFC, enabling them to be used anywhere in the world. Moreover, they can operate from a 120 to 370 VDC input. As is the case with all models in the ZWS-BAF series, with output ratings from 50 to 300 W, they can withstand 3 kVAC, input-to-output. The ZWS300BAF series are available with an output voltage of 24, 36, or 48 VDC, all of which have a ±10% adjustment range.
The convection-cooled operating temperature range is from -10°C to +70°C with derating above +45°C. The power supply can be operated at up +60°C without derating if forced-air cooling is available in the system and can be routed through the supply. The power-saving efficiency is up to 91%. Other standard features include overvoltage and overcurrent protections. Optional remote on/off connections can be provided to allow for remote control of the supply, and if employed, the standby (off) power consumption is only 0.5 W.
The ZWS-BAF series is an extension of the ZWS series, which were employed in the high-definition Diamond Vision video displays that were built by Mitsubishi Electric and have been used to power some of the world’s largest LED displays located at the Cowboys Stadium (Texas), Yankee Stadium (New York), and many other global sites.
The ZWS-BAF series feature global ITE and general-purpose safety agency certifications per UL/CSA/EN60950-1 and EN50178 (OV II), are CE marked, and meet the conducted and radiated EMI requirements of EN55011/EN55022-B, VCCI-B, and FCC Class B. These units include a 5-year warranty.
Price is $139.00 each in 500-piece quantities.