New DC-DC Converters Suit Railway Applications


Artesyn has added 72 new dc-dc converter modules in its ERM family designed to meet the power demands and safety standard requirements of railway rolling stock applications such as engine management, traction control, door control, video surveillance, communications, entertainment, lighting and other on-board electrical equipment.

A reinforced insulation system with 3000 Vac RMS I/O isolation, combined with high EMC immunity, makes these new dc-dc converters ideal for the many demanding embedded power applications in railway and other transportation systems.

Covering 10 and 20 watt power output ratings, each series includes models with single 5 V, 12 V, 15 V, 24 V, or dual +/- 12 V or +/- 15 V outputs and input ranges of 9 Vdc to 36Vdc, 18 Vdc to 75 Vdc or 40 Vdc to 160 Vdc.

The new dc-dc converters are protected from atmospheric conditions without additional conformal coating. They are encapsulated in a 1-inch by 2-inch DIP package (25.4 x 50.8),


Operating temperatures range from minus 40 degrees Celsius to 85 degrees Celsius with derating. An optional heat sink can help heat dissipation and improve performance at high operating temperatures, according to the company.

The first two series in the ERM family, the ERM75 and ERM50, offer 75 W and 50 W maximum power output respectively.

For further details, click here.

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