Compact 2W and 3W AC/DC converters power smart electronics

Low-power, energy-efficient AC/DC converters from Dengrove Electronic Components are small enough to fit inside existing cavities, such as inside switch housings or behind cover plates. This makes them suitable for smart-building or IoT applications, says the company.

The Recom RAC02-SE/277 (2W) and RAC03-SE/277 (3W)  are housed in a compact 34 x 22 x 11mm high package. A third option, the 3W RAC03-SER/277 is offered in a circular package, to implement smart electronics inside small spaces. All types carry IEC/EN60335 and IEC/EN60950 safety certifications, allowing use in household or industrial environments, and are CE marked.

The converters operate at up to 80% efficiency, and are available with output voltage of 3.3, 5.0, 12 or 24V, for powering remote sensors or actuators, climate controls, touchscreen interfaces, access-control devices, wireless alarm systems, door-openers or similar equipment. No-load power consumption of 30mW is less than one-twelfth of the applicable European ErP standby power limit, which helps ensure compliance of the end product.

A wide input-voltage range of 85 to 305V AC permits connection to any AC line voltage globally and allows equipment to withstand supply fluctuations such as surges or brown-outs. The output voltage is highly stable, regulated within ±6 per cent and with less than 200mV ripple.

The safety both of equipment and users are also highly protected. Isolation of 3kV/1min. and leakage current of less than 10 micro A minimise the risk of electric shock. The converters feature built-in over-voltage protection and short-circuit protection with automatic restart when the fault is removed. There is also an integrated EMI filter, and the devices comply with EN55022 Class B.

The operating-temperature range is wide: -40 to 85 degree C. All devices come with the company’s three-year warranty.

http://www.dengrove.com

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