Encapsulated sixteenth-brick DC/DC converters for industrial applications

28th May 2019
Alex Lynn

A new series of DC/DC power modules has been introduced by Flex Power Modules, with the PKU-S series, for the industrial/railway and telecom sectors, which aim to provide highly reliable, high performance and rugged DC/DC solutions. The modules are housed in the industry-standard sixteenth-brick form factor (35.3x25x10.4mm), with sealed and encapsulated packaging.

This ensures their reliability when exposed to dust, moisture, severe vibration and other harsh environmental conditions.

There are two variants: the PKU3500S series has an input voltage range of nine to 36V, and the PKU5500S operates from 18 to 75V. The converters can deliver up to 15A and 50W of output power and achieve up to 91% efficiency. Input-to-output isolation is 2250VDC.

The series achieves high levels of reliability, with mean time between failures (MTBF) of up to eight million hours. The new modules meet safety requirements according to the latest IEC/EN/UL62368-1 standard.

Olle Hellgren, Director of Product Management and Business Development at Flex Power Modules, said: “Further strengthening our product offering for harsh environments such as those found in the industrial/railway and telecoms sectors, the PKU-S family enables our customers to benefit from the high power density offered by the sixteenth-brick footprint, while also offering the environmental and physical protection of these encapsulated versions.”

The PKU3000S and PKU5000S families are available now for sampling and volume production requirements.

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