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The CUI Inc. PSK-S3-15-L is an enclosed AC-DC power supply from the PSK-S3 series, delivering 3 watts of power with a single 15VDC output. It is designed for ITE (Commercial) applications and offers a universal input voltage range of 85-264 VAC or 100-370 VDC.
Key electrical specifications include an output current of up to 200mA, an efficiency of 77%, and an isolation voltage of 4 kV. The unit operates within a wide temperature range of -40°C to 70°C with derating. Protections include over-voltage, over-current, and short-circuit protection.
This power supply features a chassis mount type and has dimensions of 37.0mm x 24.5mm x 18.0mm. It is approved by CB Scheme, EN, IEC, and UL, meeting standards such as 55024, 55032 Class A, 60950-1, 61000-3-2, and 62368-1.
The PSK-S3-15-L provides a nominal 15 Vdc output with a maximum output current of 200 mA and maximum output power of 3 W.
The input voltage range is 85~264 VAC or 100~370 VDC at 47~63 Hz.
The operating temperature range is -40°C to 70°C with derating.
The PSK-S3-15-L provides 4000 Vac isolation between input and output for 1 minute.
It includes over voltage protection at 20 Vdc, over current protection at 150% with auto recovery, and continuous short circuit protection with auto recovery.
Ripple and noise is 100 mVp-p maximum at full load with nominal input, measured with a 20 MHz bandwidth oscilloscope and 1 µF ceramic and 10 µF electrolytic capacitors on the output.
The typical efficiency is 77%.