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The CUI Inc. VSK-S2-9U is a compact AC-DC power supply designed for board mounting. It offers a single 9Vdc output with a maximum current of 222mA, delivering up to 2W of continuous power. The unit accepts a wide universal input voltage range of 85-305 VAC, making it suitable for various global applications.
Key electrical specifications include a switching frequency of 100kHz, line regulation of ±2% at full load, and load regulation of ±5%. It is protected against over current and short circuits with auto-restart functionality. The efficiency is rated at 72% typical.
This AC-DC converter is housed in a 4-DIP module package and utilizes through-hole mounting. It operates within a temperature range of -25°C to 70°C with derating and has dimensions of 33.7mm x 22.2mm x 18.0mm. Safety approvals include CE, cURus, EN, and UL standards.
The input voltage range is 85 to 305 VAC at 47 to 63 Hz.
The output voltage is 9 Vdc nominal, with a maximum output current of 222 mA.
The operating temperature range is -25°C to 70°C with derating.
The package is a 4-DIP module with through hole mounting.
Yes, it has over current protection at 110% minimum with auto restart.
The isolation voltage is 3000 Vac between input and output for 1 minute.
The typical efficiency is 72%.