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DC/DC Converters for On-board and Trackside Railway Applications
Over the years, RECOM has expanded its portfolio of DC/DC converters for the railway industry from 8 W to 240 W and can now offer the broadest portfolio of EN50155 certified products available on the market.
The railway-certified series pack up to 240 W in compact case sizes for a power density of up to 4.5 W/cm³ - one of the highest available on the market. For superior thermal performance, RECOM also offers the 20 W RP20-FR and 40 W RP40-FR series in a 2"x1" case. These regulated DC/DC converters with their 4:1 wide input voltage range are specially designed for railway applications. The RPA100H and RPA200H series even offer an impressive 10:1 input voltage range to cover all input voltages from nominal 24 VDC up to 110 VDC in a single product.
These railway converters are EN50155 certified and designed for use in harsh environments or on rolling stock. Since they are UL/cUL60950 certified, they are also a reliable choice for industrial and telecommunication applications. Besides 3.3 V, 5 V, 12 V and 15 V single outputs, dual ±12 V and ±15 V outputs are available. The control pin logic can be chosen to be positive or negative. With efficiencies of up to 93%, cooling by natural convection is typically all that is needed, but if required, the modules are also available with a pre-mounted heatsink.
Features
- Vin from 9 V up to 160 V
- Power from 8 W up to 240 W
- EN50155 certified*
- UL/IEC/EN60950 certified and CE marked
- UL component recognized
- High efficiency up to 93%
- Temperature ranges from -45°C up to +97°C
- DIP24/SMD, 1"x1", 2"x1", quarter-brick and half-brick
- 3-year warranty *RP08-AW, RP20-FR, RPA20-AW, RPA30-AW, RP40-FR, RPA60-FW, RP75H-RW, RP90Q-RW, RP100H-RW, RP120Q-RW, RP180H-RW, RP240H-RW
Applications
- Railway rolling stock
- On-board and trackside application
- Industrial applications
- High voltage battery-powered applications
- Distributed power supply architectures
EN50155 Railway Standard
The EN50155 (Railway Applications - Electronic equipment used on rolling stock) specifies carefully defined requirements for information systems and electronic components used in railway engineering. This also applies for DC/DC converters which have to function as reliable power supplies for many years under extreme conditions such as heat, cold, shock and vibration – exactly the environment that the railway converter series from RECOM have been designed to meet.
- RSPxxx-168 Surge Protectors
- 8 W DC/DC Converter
- 20-60 W DC/DC Converters with 1"x1" and 2"x1" case sizes
- 75-240 W DC/DC Converters in quarter-brick and half-brick
- 100 & 200 W DC/DC Converters with 10:1 input voltage range
RSPxxx-168 Surge Protectors
The RSP-168 surge protectors allow DC/DC converters to meet both RIA12 and NF F 01-510 surge immunity specifications and are certified for railway applications. RECOM offers three power options: the RSP20-168 is suitable for up to 20 W, the RSP150-168 for up to 150 W and the RSP300-168 for up to 300 W converters.
Features
- Surge protector (voltage clamp) for RIA12 and NF F01-510 transients
- Output follows input up to the clamp voltage
- Max. load = 20 W, 150 W or 300 W
- -40°C to + 95°C Operating temperature
- Board-mount module
Applications
- Railway rolling stock
- On-board and trackside application
- Industrial applications
- High voltage battery-powered applications
- Distributed power supply architectures
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8 W DC/DC Converter
The RP08-AW series wide range input DC/DC converters are certified to UL 60950-1 and cUL 60950-1. This makes them ideal for all telecom and industrial applications where approved safety standards are required. Available in pinned and SMD DIP24 cases with input voltage ranges of 9-36 V, 18-75 V and 43-160 V, they have been designed for railway applications. The DIP24 package meets military standards for thermal shock and vibration tolerance.
Features
- 4:1 wide input voltage range
- 1.6 kVDC isolation
- UL60950-1, EN50155 certified
- Efficiency up to 88%
- Protected outputs
Applications
- Railway rolling stock
- On-board and trackside application
- Industrial applications
- High voltage battery-powered applications
- Telecom and industrial applications
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20-60 W DC/DC Converters with 1"x1" and 2"x1" case sizes
These medium-power low cost board-mount converters deliver from 20 W up to 60 W and are EN50155 certified, which ensures that they are ideal for the harsh environments in railway applications. The 1"x1" and 2"x1" cases take up only a small area on the PCB and are ideal for sensing, control and monitoring applications.
Features
- 4:1 wide input voltage range
- Up to 1.6 kVDC isolation
- UL60950-1, EN50155 certified
- Efficiency up to 93.3%
- Protected outputs
Applications
- Railway rolling stock
- On-board and trackside application
- Industrial applications
- High voltage battery-powered applications
- Sensing, control and monitoring applications
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75-240 W DC/DC Converters in quarter-brick and half-brick
These high-power EN50155 certified* quarter-brick and half-brick converters offer a power density up to 4.5 W/cm³ - one of the highest currently available on the market. They use planar transformers to reduce the converter size without compromising on efficiency, a construction method that also supports a fully automated production process which makes them especially reliable and cost-effective.
*RP75H-RW, RP90Q-RW, RP100H-RW, RP120Q-RW, RP180H-RW, RP240H-RW
Features
- 4:1 wide input voltage range
- Up to 3.3 kVDC reinforced isolation
- UL60950-1, EN50155 certified*
- Efficiency up to 93.3%
- Protected outputs
Applications
- Railway rolling stock
- On-board and trackside application
- Industrial applications
- High voltage battery-powered applications
- Distributed power supply architectures
View Details View Datasheet
100 & 200 W DC/DC Converters with 10:1 input voltage range
The half-brick DC/DC converters RPA100H and RPA200H series are designed for railway rolling stock and high voltage battery applications. Their ultra-wide input voltage range covers all input voltages from nominal 24 VDC up to 110 VDC (including EN50155 transients and brownouts) in a single product and they offer isolated and regulated 12 V or 24 VDC outputs. The converters have a consistently high efficiency over the entire input voltage and load range, and come with a metal baseplate to permit a wide operating temperature range from -40°C up to +97°C (when suitably cooled). The converters are fully compliant to EN50155 and certified to UL/IEC/EN60950.
Features
- 10:1 ultra-wide input voltage range
- 3 kVAC/1 minute reinforced insulation
- UL/IEC/EN60950-1 certified, CE marked
- EN50155 compliant
- Efficiency up to 90%
- -40°C To +93.5°C baseplate temperature range
Applications
- Railway rolling stock
- On-board and trackside application
- Industrial applications
- High voltage battery-powered applications
- Distributed power supply architectures
View Details View Datasheet
Hong Kong, China