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The CUI Inc. PSK-25W-5-T is an internal AC-DC power supply designed for ITE (Commercial) applications. It features a 5V output voltage capable of delivering up to 4.1A, with a maximum output power of 21W. The series boasts a wide input voltage range of 85-305 Vac and an efficiency of 78% at full load.
This power supply includes essential protections such as short-circuit, over-current, and over-voltage protection. It meets CISPR32/EN 55032 Class B standards without external components and is UL/EN/IEC 62368 certified. The unit is designed for chassis mounting and operates within a wide temperature range of -40°C to 85°C, with derating applied at higher temperatures.
Key electrical specifications include ±0.5% line regulation and ±1.0% load regulation. Isolation voltage is rated at 4000 Vac from input to output and 2500 Vac from input to earth. The dimensions are 96.1mm x 54.0mm x 32.0mm.
85-305 Vac.
5 Vdc at up to 4.1 A.
-40°C to 85°C with derating.
Enclosed chassis mount.
Over voltage protection at 7.5V, over current protection (120-300% Io), and short circuit protection with hiccup, continuous, auto recovery.
4000 Vac input to output, 2500 Vac input to earth.
78%