Product Releases

75W DC-DC converter intended for critical railway applications

Tue, 09/10/2013 - 9:44am


Schaefer Inc. announces the addition of the MTQZ75 Series by Minmax to its wide-ranging power product portfolio. The MTQZ75 Series is a 75W dc-dc converter designed specifically for mission critical transit and railway solutions.

MTQZ75 Series is a new generation of high performance dc-dc converter modules designed predominantly for applications in the railway industry requesting compliance to railway standards EN50155(IEC751) and EN50121-3-2. The converter family consists of single output models offering 5, 12, 15 and 24VDC outputs with input voltages of either 72VDC or 110VDC. Each model is capable of delivering up to 75W of power in a quarter-brick footprint 2.28” x 1.45” x 0.50” (57.9 x 36.8 x 12.7mm) with isolated baseplate.

Advanced circuit topology allows for a very high efficiency rate up to 92% and an operating temperature range of -40°C to 85°C. For improved heat dissipation, an optional heatsink is available. Standard features include reinforced insulation of 3000VACrms, remote on/off control, under-voltage shutdown as well as overload and over-temperature protection.

Unit pricing at 100 pieces starts at $61.50 each. Full product specifications can be viewed at


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