MEAN WELL GST25A05-P1J 20W 5V 4A Desktop Power Supply with 2.1x5.5mm DC Plug

Powering low-voltage devices with a reliable 5V supply can be a challenge when using unstable or under-rated adapters. The MEAN WELL GST25A05-P1J desktop power supply delivers a stable 5V DC output at up to 4A, providing 20W of clean power for your equipment.

Who is it for

This power supply is ideal for professionals and hobbyists who need a dependable 5V source for devices such as single-board computers, network equipment, LED lighting, or industrial controls. It suits applications requiring a fixed 5V output with a standard barrel connector.

Main features

• Fixed 5V DC output, 4A maximum current, 20W power
• Wide input voltage range: 90–264V AC, 47–63Hz
• High efficiency up to 87.5%, no-load power consumption below 0.075W
• Energy Efficiency Level VI
• DC connector: 2.1 x 5.5mm barrel plug, center positive
• AC inlet: IEC320-C14
• Protections: short circuit, overload, over voltage
• Operating temperature: -30 to +70°C
• Ripple & noise: 80mVp-p
• DC cable length: 120 cm

Specifications

• Output voltage: 5V DC
• Output current: 4A
• Output power: 20W
• Input voltage: 90–264V AC
• Input frequency: 47–63Hz
• Efficiency: up to 87.5%
• No-load power consumption: <0.075W
• Energy efficiency level: Level VI
• DC connector: 2.1 x 5.5mm barrel plug, center positive
• AC inlet: IEC320-C14
• Protections: short circuit, overload, over voltage
• Operating temperature: -30 to +70°C
• Ripple & noise: 80mVp-p
• DC cable length: 120 cm

Tips

Ensure your device's DC input matches the 2.1 x 5.5mm plug and center-positive polarity. The wide input voltage range allows use with mains supplies from 100V to 240V AC without adjustment.