| Category | |
| Manufacturer Name | |
| Applications | |
| Approval Agency | |
| Current | |
| Efficiency | |
| Features | |
| Frequency | |
| Height | |
| Length | |
| Medical Grade | |
| Mounting Type | |
| Number of Outputs | |
| Operating Temperature | |
| Power (Watts) | |
| SVHC Present | |
| Standard Number | |
| Storage Temperature | |
| Type | |
| Voltage | |
| Weight | |
| Width |
The CUI Inc. VMS-20-9 is an AC-DC power supply from the VMS-20 series, designed for various applications requiring a stable 9V output. This open-frame converter delivers up to 2.3A of current, providing a total output power of 20W. It features a high efficiency of 81% and a universal input voltage range of 90-264 Vac.
The VMS-20-9 is built with over-voltage and short-circuit protections, ensuring reliable operation. It meets full medical safety approvals, including UL 60601-1, IEC 60601-1, and EN 60601-1, making it suitable for medical equipment. The unit operates within a temperature range of -25°C to 70°C with derating and has a compact size of 60.5 x 40.6 x 20.4 mm, facilitating integration into space-constrained designs. Mounting is achieved via through-hole.
Key electrical specifications include line regulation of ±0.5% and load regulation of ±1%. The device also boasts an MTBF of 400,000 hours. Its EMI/EMC compliance includes standards such as CISPR Class B and EN 55024.
The output voltage is 9 Vdc.
The maximum output current is 2.3 A.
The power rating is 20 W.
The typical efficiency is 81%.
The input voltage range is 90 ~ 264 Vac.
The operating temperature range is -25°C to 70°C (With Derating).
It is a through-hole mounted component.