20W single/dual output DC - DC converter modules with an ultra wide 4:1 input voltage range and compact 2" x 1" package. These 20 W DC - DC converter modules have EN 50155 approval making them ideal for railway and transportation applications. Low input current characteristics at minimal load also make these DC - DC converters suitable for battery-operated systems. Other typical applications for these DC - DC converters include wireless networks, telecoms, datacoms, industry control systems and measurement equipment.

2" x 1" metal package with industry standard footprint
Ultra wide 4:1 input voltage range of up to 160 Vdc
Adjustable output voltage
No minimum load required
Remote On/Off
Protection: Over voltage (on single output models), under voltage lockout and short circuit
High efficiency of up to 89%
Thermal shock and vibration resistant according to EN 61373
EN 50155 approval for railway applications
EMC compliance to EN 55022 class B without external componenents (for 24 & 48 Vin models)
EMC compliance to EN 55022 class B without external componenents (for 110 Vin models)

MTBF to MIL-HDBK-217F (25°C)
Power derates 4.5% / K above 73°C
For suitable heatsink see stock number 745-1234

UL/cUL 60950-1, IEC/EN 60950-1, EN 50155

This DC-DC converter is intended for transforming input voltage into a stable ±12 V DC output. It accommodates a wide input voltage range of 9-36 V DC and boasts a power rating of 20 W, catering to various needs in automation and electrical applications. Its isolated structure promotes safe and reliable operation, making it suitable for use in both industrial and railway environments.

• Delivers dual output with efficient ±12 V DC power supply
• Supports an input voltage range of 9-36 V
• Provides robust isolation at 1.6 kV DC for enhanced safety
• Exhibits excellent load regulation of just 0.1%
• Achieves high efficiency of 88% to minimise energy wastage
• Compact through-hole design facilitates easy integration

• Powers automation equipment within industrial systems
• Appropriate for railway necessitating dependable power
• Ideal for communication devices and electronic equipment
• Utilised in test and measurement setups for precision

Ensure a secure connection and verify the input voltage range before powering the device.

It is recommended for indoor use as it is not specifically designed to cope with moisture or extreme temperatures.

The converter operates within a safe temperature range

It efficiently powers linear and non-linear loads, but checking load specifications is advisable for optimal performance.

With proper use and adequate thermal management, it can function for many years without significant degradation.