Power

MR4011SRU single output 40W DC/DC converters

3rd August 2020
Alex Lynn

Now available from MPD, the MR4011SRU series is a family of single output 40W DC/DC converters packaged in a compact 1x2 in case. They are specifically designed to provide the ultra-wide input range, robust performance, rugged packaging and high reliability required for railway/transit applications.

Six standard models operate from wide 40VDC to 160VDC (110 VDC nominal) inputs, providing tightly regulated single outputs of 3.3, 5, 12, 15, 24 or 48VDC. Standard features include line/load regulation less than 1.0%, I/O isolation of 3,000 VDC, a remote control input and efficiency as high as 91%.

They are protected for output short circuit faults and output over current faults. All models comply with multiple industry standards including EN 62368, EN 50155 and EN 55032. The MTBF (per MIL HDBK 217F) is greater than 500 khours.

The MR4011SRU family is packaged in a compact 1x2 in metal case. All models are also available in a case with an integrated heatsink. The pin-out is industry standard. Operation is specified for the wide industrial temperature range of -40 to +85°C.

With its compact packaging, wide input range, and high I/O isolation, the MR4011SRU series is an excellent choice for a wide range of industrial applications. They are particularly suitable for railway/rolling stock applications with their EN 50155 and EN 55032 compliance.

All MicroPower Direct products are designed to provide long, reliable field life. Considerable attention is given to the proper selection, derating, and layout of all circuit components. In addition, extensive reliability screening is also performed on all modules as a routine part of our production process.

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