Electronic Design

Power: Ruggedized Switching AC-DC Supply Family Offers Versatility

The PSA series of encapsulated, PC board-mount switching ac-dc supplies suits ruggedized industrial applications such as portable equipment, CRT terminals, automation, and transportation equipment. These supplies handle inputs from 90 to 260 V ac and output single, dual, or triple outputs of 3.3, 5, 12, 15, or 24 V dc. Different models deliver 5, 10, 15, or 30 W at efficiencies up to 84%. All models come in a UL-approved fiberglass housing, pc-board mount style. Dimensions range from 1 by 2 by 0.60 in. for a 5-W supply to 3.5 by 2.5 by 0.98 in. for a 30-W supply. The standard operating range is ­25°C to 71°C. An industrial version rated to ­40°C is available. All models have UL, cUL, TUV, and CE agency approvals. Prices in OEM quantities range from $16 to $34.

Wall Industries

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