Chassis-mounted DC/DC converter BHT 319R-F4 series
regulatedindustrialfor railway applications

chassis-mounted DC/DC converter
chassis-mounted DC/DC converter
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Electrical characteristics
industrial, for railway applications
Other characteristics
single-output, rugged, high MTBF, EN50155, convection-cooled, high-temperature

300 W

Input voltage

72 V, 96 V, 110 V

Min.: 43 V

Max.: 154 V

Output voltage

24 V, 48 V, 72 V, 125 V


This rugged, railway quality DC/DC converter is designed for a long operating life at high operating temperatures. By eliminating optocouplers and electrolytic capacitors, the MTBF of the unit is greatly improved over conventional designs. The unit operates over a wide temperature range of -40ºC to 85ºC for full specification. Key Specifications Railway version – BHT 319R-F4 •Input: 72V, 96V, 110Vdc or custom (EN50155 input ranges); •EMI meets EN50121-3-2; •Designed to meet EN5015, EN 60950-1 and related standards; Industrial version – BHT 319-F4 •Input: 24V, 36V, 48V or 125Vdc; •EN 55022 Class A with margins; •Designed to meet EN60950-1 and related standards; Both Railway and Industrial quality versions: •-40°C to +85°C operating temperature range – no derating; •Cooling by natural convection and conduction; •Conformal coating for protection against humidity & airborne contaminants; •Heavy ruggedizing (option); •85% efficiency at full load depending on input/output combination; •Full electronic protection; •Both designs: 130 x 64 x 353 mm (W x H x L).


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