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The CUI Inc. PSK-20B-S9 is a 20W AC-DC power supply module designed for board-mount applications. It offers a single 9Vdc output with a maximum current of 2.1A.
This converter features a universal input voltage range of 85-264 Vac and operates with an efficiency of up to 85.7%. Key electrical specifications include a low ripple and noise of 100mVp-p, ±2% initial set point accuracy, ±0.5% line regulation, and ±1% load regulation. Protections include over-voltage, over-current, and short-circuit with auto-recovery.
The PSK-20B-S9 has a compact, encapsulated design and is suitable for ITE (Commercial) applications. It is mounted via Through Hole and has dimensions of 62.0mm x 45.0mm x 23.1mm.
Safety and compliance features include 4000 Vac isolation voltage, Class II safety rating, and approvals from CB Scheme, EN, FCC, IEC, and UL. It meets standards such as EN 55032 Class B and FCC Part 15 Class B.
The PSK-20B-S9 provides a nominal output voltage of 9 Vdc.
The maximum output current for the PSK-20B-S9 is 2.1 A.
The PSK-20B-S9 has a maximum output power of 20 W.
The PSK-20B-S9 accepts a universal input voltage range of 85 to 264 Vac.
The typical efficiency of the PSK-20B-S9 is 85.70 %.
The operating temperature range for the PSK-20B-S9 is -25°C to 70°C, with derating.
The PSK-20B-S9 complies with IEC62368-1/60950-1 and UL62368-1/60950-1 safety standards.