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The TDK Corporation KPSB25-12-J is a cost-effective, board mount AC-DC power supply from the KPSB series. It offers high efficiency levels up to 84% and operates with a wide input voltage range of 90-264VAC, making it suitable for global applications.
This open frame converter delivers a 12V output at a maximum current of 2.1A, providing a total power of 25W. It is designed for chassis mounting and features Class II double insulation, allowing operation without an earth ground connection. The unit meets Class B EMI standards (EN55032-B, FCC Part 15 Class B) and complies with harmonic distortion standards (IEC61000-3-2 Class A).
Key electrical specifications include a low no-load power consumption of less than 0.1W and a hold-up time of 8ms at 115VAC input. The operating temperature range is -30°C to 60°C with derating. Safety certifications include IEC/UL/CSA/EN62368-1, CE, and UKCA Mark.
With its compact dimensions (70.5mm x 27.9mm x 23.0mm), the KPSB25-12-J is suitable for integration into various devices, including household appliances and ITE commercial equipment.
The nominal output voltage is 12V.
The maximum output current is 2.1A.
The maximum power output is 25W.
The operating input voltage range is 90-264VAC.
The efficiency is 84% at 230VAC.
The operating temperature range is -30°C to 60°C with derating.
The dimensions are 70.5mm x 27.9mm x 23.0mm.