MEANWELL PS-120-5 PS-120 Series 120W single-output switching power supplies

The MEANWELL PS-120-5 is a 120-watt single - output switching power supply in the PS-120 series, designed to convert AC input voltage into a stable 5 - volt DC output. Here are its features, specifications, and application areas:

Features

Universal Input Voltage: It can work with an input voltage ranging from 90V to 264V AC, suitable for use in different power grid environments around the world.

Low Leakage Current: The leakage current is less than 180μA, which is beneficial for ensuring the safety of equipment and users.

Multiple Protections: It is equipped with short - circuit protection, overload protection, and over - voltage protection to effectively protect the power supply and the load.

Medical Safety Approval: It has obtained UL 60601 - 1 medical safety approval, meeting the strict safety requirements for medical equipment.

Optional Signal Output: It can be equipped with power - on and power - off signal outputs, which is convenient for monitoring and controlling the working status of the power supply.

Full - Load Burn - In Test: Each power supply has undergone a 100% full - load burn - in test before leaving the factory to ensure product quality and reliability.

Fixed Switching Frequency: The switching frequency is fixed at 45 kHz, which helps to reduce electromagnetic interference.

Specifications

Output Voltage: 5V DC

Output Current: 22A

Output Power: 120W

Input Voltage Range: 90V - 264V AC

Input Frequency: 47Hz - 440Hz

Efficiency: 73%

Maximum Input Current: 2.9A

Output Connector Type: Molex 5273 - 06

Minimum Isolation Voltage: 4000V

Minimum Operating Temperature: - 20°C

Maximum Operating Temperature: 70°C

Dimensions: 177.8mm x 108mm x 35.5mm (approximate, converted from inches)

Weight: Approximately 0.3kg (estimated based on similar products)