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Publication Date: 05/1/2008
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Lambda Intros 20W PCB Mountable Power Supplies
PC board-mountable power supply.
San Diego, CA — Lambda has unveiled its latest series of compact PC board-mountable 20-watt AC-DC power supplies. The single output ZPSA20 series accepts a wide input voltage range, has a low profile (0.79 in.) and industry standard footprint (2 x 3.5 in.), making it an suitable choice for applications such as computer peripherals, datacom, telecom, point-of-sale equipment, LED signs and lighting.

These 20-watt PC board-mountable supplies are available with the most popular output voltages including 3.3V, 5V, 9V, 12V, 15V, or 24VDC. The outputs are floating so they can be used as either a positive or negative polarity. Typical efficiencies are up to 82 percent.

These models are rated for operation in a convection cooled environment from 0 up to +70°C with derating. A green LED is provided as an indicator that the power supply is on. Other standard features include overvoltage and short-circuit protection. To maximize design-in flexibility, the company is offering these supplies as either an open-board configuration with Molex input/output connectors, or as a "/P" version with pins for PC board mounting.

Accepting a wide input voltage range of 85-264VAC, the ZPSA20 series is ready for use globally with no further configuration or input selection. Its industry standard footprint makes it a suitable choice as a drop-in replacement for existing supplies, while its low profile means that it can be installed in the most compact of applications.

The supply has global safety agency approvals per UL/CSA/EN60950-1; meets conducted and radiated EMC requirements of EN55022-B/FCC Class B (without additional filtering or components) and meets EN61000-4 immunity specs for greater reliability. All supplies carry the CE Mark and are RoHS compliant.

Contact: Lambda Americas, Inc., 3055 Del Sol Blvd., San Diego, CA 92154 800-526-2324 or 619-575-4400 fax: 619-429-1011 Web:

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