MEAN WELL GST25E09-P1J 25W 9V 2.77A AC/DC Power Supply, Black

With a high efficiency of 87.5% and ultra-low no-load power consumption below 0.075W, the MEAN WELL GST25E09-P1J meets stringent Level VI energy standards, making it an eco-friendly choice for continuous operation. This 25W AC/DC desktop power supply delivers a stable 9V DC output at up to 2.77A, ideal for medical, industrial, and consumer electronics.

Overview

The GST25E09-P1J is a compact, enclosed switching power supply designed for indoor use. It accepts a universal AC input from 80 to 264VAC (127 to 370VDC) and provides a regulated 9V DC output via a standard 5.5 x 2.1mm barrel plug with center-positive polarity. The unit is housed in a black plastic case and features an IEC320-C14 input connector for a detachable AC cord.

What stands out

• Medical safety approvals (2xMOPP) per ANSI/AAMI ES60601-1, IEC60601-1, and EN60601-1
• Wide operating temperature range from -30°C to +70°C
• Comprehensive protection: short circuit, overload, over voltage, and over temperature
• Low ripple and noise (100mVp-p max) for sensitive electronics
• High reliability with MTBF over 300K hours

Technical details

• Output: 9V DC, 2.77A, 25W maximum
• Input: 80~264VAC, 47~63Hz
• Efficiency: 87.5% typical
• No-load power: <0.075W
• Line regulation: ±0.5%
• Load regulation: ±1.0%
• Isolation voltage: 4000VAC input to output
• Dimensions: 79mm (L) x 54mm (W) x 33mm (H)
• Weight: approximately 180g

Our verdict

The MEAN WELL GST25E09-P1J is a reliable, energy-efficient power supply that excels in medical and industrial applications where safety and stability are critical. Its compact size and universal input make it a versatile choice for a wide range of devices.