AC-to-DC Converter

October 1, 2010

BC Systems (Setauket, NY) has launched the BC-751, an eight-output, 800W AC-to-DC converter, designed to power solid-state RF amplifiers in airborne Identification Friend or Foe (IFF) applications. The BC-751 accepts a three-phase 155 VAC, 400 Hz input with a power factor of at least 0.88 and maximum inrush current of less than 13 A. The eight outputs are: +3.3 VDC at 45 A and +5 VDC at 40 A with ripple and noise of less than 100 mVpp; -5

VDC at 600 mA with ripple and noise of less than 50 mVpp; +51 VDC at 10 A; +24 VDC at 1 A; + 12 VDC at 8 A; -12 VDC at 5 A; and +15 VDC at 3 A with ripple and noise of less than 120 mVpp.

The converter, which provides protection for over-current, over-voltage and over-temperature conditions, operates over a temperature range of -40 °C to 85 °C. Designed for use with forced-air cooling, the BC-751 also meets CE 101 and CE 102 conducted emissions requirements per military standard MIL-STD-461, as well as shock and vibration mandates related to IAW MIL-STD-810D.

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