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120W 1/8 Brick DC-DC Converters for Railway Systems

Murata Power Solutions has announced its first eighth
brick in a line of encapsulated DC-DC converters. The 120-Watt IRE-Q12 series
was designed specifically for industrial, railway and transportation
applications with system bus and battery voltages between 9VDC and 36VDC. The
solution provides high performance and efficiency through advanced power supply
technology for fixed frequency switching architectures.

The IRE-Q12 series offers fully regulated DC output
voltage modules with 5V, 12V and 24V, with up to 120W and an input voltage
range from 9-36VDC. These features meet the requirements of EN50155 for 24V
nominal battery voltages including brown out and transient conditions.
Extensive testing ensures that the product can withstand the harsh
environmental conditions typically found in railway and industrial

In addition to providing basic insulation with 2828VDC
Input-to-Output isolation voltage, the fully encapsulated bricks are available
with a standard or an optional flanged baseplate to optimize typical
configurations for conduction cooling. Other features include on/off control
with positive or negative logic, as well as short circuit, over-voltage, and
over-temperature protection. Additionally, the series supports a pre-biased
output at start-up, eliminating reverse currents that can damage critical

Murata Power Solutions |

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120W 1/8 Brick DC-DC Converters for Railway Systems

by Circuit Cellar Staff time to read: 1 min