The B0509S-2W with Power Modules Through Hole RoHS designed and manufactured by GTL-POWER is a 50 watt open frame ac-dc power supply with 90 to 264Vac input voltage with full range input. It features overvoltage, overcurrent and overload protection, built-in EMI filter provides low noise, high efficiency. It has universal AC input with active PFC function and a working temperature range of -40°C to +80°C. It meets UL1310, UL60950-1, and TUV EN60950-1 safety standards. This is an up to date RoHS compliant part and is designed to deliver reliability and performance.