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The CUI Inc. VSK-S20-3R3U is part of the VSK-S20 series of AC-DC power supplies, designed for applications requiring up to 20W of continuous power. This model provides a single output of 3.3Vdc at a maximum current of 4.1A.
Key features include a universal input voltage range of 85~264 Vac, making it suitable for global use. The converter offers protections against over-voltage, over-temperature, and short circuits. It boasts an efficiency of up to 85% and operates within a temperature range of -40°C to 70°C with derating.
The VSK-S20-3R3U is designed for board mounting with a through-hole package (6-DIP Module). Its compact dimensions (70.0mm x 48.0mm x 24.0mm) facilitate integration into various electronic systems. The power supply meets safety approvals including UL/cUL and complies with standards such as CISPR22/EN55022 Class B for emissions.
The output voltage is 3.3 VDC.
The input voltage range is 85 to 264 VAC or 100 to 370 VDC.
The output power is 20 watts.
The operating temperature range is -40°C to 70°C with derating.
It is a 6-DIP through-hole module.
It includes over current protection at 110% with auto restart, over voltage protection at 7.5 VDC, and continuous short circuit protection with auto restart.
The isolation voltage is 3000 VAC from input to output for 1 minute.