PSK-S3-15

The PSK-S3-15 is a low-profile, encapsulated AC/DC converter manufactured by CUI Inc. Designed for board-mount applications, this single-output power supply delivers a stable 15V DC at up to 200mA, providing 3W of continuous output power. It accepts a universal input voltage ranging from 85 to 264 VAC or 100 to 370 VDC, making it suitable for global deployment across varying mains frequencies between 47 and 63 Hz. The unit achieves 77% efficiency and incorporates comprehensive protection mechanisms including over-current, over-voltage, and short-circuit safeguards with auto-recovery capabilities. Electrical isolation between input and output is rated at 4000 Vac for one minute, ensuring safety in commercial information technology equipment (ITE) environments. The converter meets stringent electromagnetic compatibility standards, complying with CISPR 32 and EN 55032 Class A for both conducted and radiated emissions. Its physical footprint measures 37.0 x 24.5 x 18.0 mm, housed in a 26-DIP module package with five leads for through-hole assembly. Operating reliably within a temperature range of -40°C to 70°C with derating, the PSK-S3-15 supports industrial control, instrumentation, and smart home security monitoring systems. Note that alternative mounting configurations such as chassis mount, DIN-rail, and lead-wire variants have been discontinued by the manufacturer.

Buyer Summary: Order the PSK-S3-15 by CUI Inc. for reliable 15V 3W AC/DC conversion in commercial ITE applications. Key specifications include universal input, 4 kV isolation, and Class A EMC compliance. Verify current availability and lead times directly with distributors prior to procurement.

Engineering Summary: This 3W AC/DC converter provides a regulated 15V output at 200mA maximum current. It features a wide operating temperature range (-40°C to 70°C) and 4000 Vac reinforced insulation. Designers should account for Class A emission limits, which may require external filtering circuits per Figure 2 of the datasheet. The unit includes auto-recovering OCP, OVP, and SCP protections. Ensure adequate thermal management when operating near the upper temperature limit due to required derating.