Wednesday, June 7, 2023

Low Cost 2W And 3W AC-DC Converters For Wide Applications

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The compact and versatile devices have wide AC input and temperature ranges with safety compliance to industrial, domestic and household uses

Two ranges of board-mount AC-DC converters, the RAC02E-K/277 and RAC03E-K/277, rated at 2W and 3W respectively include inputs of 100VAC up to 277VAC for use in a wide variety of applications. Regulated outputs include 3.3V, 5V, 12V, 15V and 24V without derating up to 80 degrees Celsius (RAC02E-K/277) or 75 degrees Celsius (RAC03E-K/277). Isolation is 4kVAC with safety certification to industrial, domestic, household (RAC03E-K/277) and ITE standards while EMC compliance for both ranges is to EN55032 Class B with a wide margin.

The parts meet ErP requirements with maximum 75mW no-load power consumption and because of their excellent light load efficiency, significant standby mode power can be delivered without exceeding 0.5W input.

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The RAC02E-K/277 and the RAC03E-K/277 are available in footprints of 33.7mm x 22.2mm and 37mm x 24mm respectively from RECOM.

“These compact AC/DCs are very versatile with their wide AC input and temperature ranges” comments Michael Schrutka, AC/DC Product Manager of RECOM. “Their comprehensive safety certifications and low cost also make them ideal for applications ranging from automation control, industry 4.0 and IoT to home automation”.



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