Electronic Products & Technology

Board mount power supplies operate from a 90 to 305Vac input

Stephen Law   

Electronics Power Supply / Management Engineering Supply Chain power supply power supply

TDK-LAMBDA KAS series ac-dc power supplies are rated at 2W and 4W and accept a very wide 90 to 305Vac, 47-440Hz input. These board mounted converters operate from 115V, 230V and 277V nominal inputs. Product series has a double insulated Class II construction, requiring no earth ground connection and has a 3,000Vac primary to secondary isolation. Available output voltages are 3.3, 5, 8, 9, 12, 14, 15 and 24V and have a no-load power consumption of less than 300mW. Units are encapsulated in a plastic resin fiberglass case, providing additional protection against shock and vibration. The 2W KAS2 measures 28.5 x 25.8 x 17.0mm and operates in ambient temperatures of -40 to +80°C, derating linearly to 40% load above 60°C. The 4W KAS4 37.0 x 27.5 x 17.5 mm. The KAS4 has a temperature range of up to -40 to +70°C, with model dependent derating.


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