Industrial DC/DC converter DHR 150-F1 series
chassis-mountedregulatedfor railway applications

industrial DC/DC converter
industrial DC/DC converter
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Electrical characteristics
industrial, for railway applications, for telecom applications, for harsh environments
Other characteristics
insulated, single-output, wide input range, rugged, high MTBF, long-life
Input voltage

Min.: 20 V

Max.: 360 V

Output voltage

12 V, 24 V, 48 V, 125 V


150 W


This rugged, industrial quality DC/DC converter is designed for an operating life extending to 30 years. By eliminating optocouplers in the feedback loop and significantly reducing the component count, the MTBF of the unit is greatly improved over conventional designs. All heat generating components are installed on aluminum heat-sink blocks which are cooled via baseplate to a heat-sinking surface and by natural convection. Conformal coating provides additional environmental protection. Large design headroom and the use of components with established reliability also contribute to the long operating life of the unit. Customized versions are available. Key Specifications - Long life, high reliability – no optocouplers, low component count, large headroom - Input to output isolation: 5000Vdc - Wide dc-input range options: 20-60V, 43-101V, 60-154V, 90-360V or custom - Output: 12V, 24V, 48V or 125Vdc at150W continuous or custom - Excellent EMI performance – EN55022 Class B - 0°C to +70°C operating temperature range – full specification - Hold up time: minimum 20ms at 150Vdc and higher - Line/load regulation: 1.5% combined from no load to full load - Conduction and convection cooled (no fans) - Heavy ruggedizing - Conformal coating - Comprehensive electronic protection - Meets the requirements for CE marking


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