Unipower Intros Century CB Series of Switching Power SuppliesJanuary 03, 1999 by Jeff Shepard
Unipower Corp. (Coral Springs, FL) introduced the new "Century" CB Series of switching power supplies, which feature 150W output with input harmonic correction to meet EN61000-3-2 and autoranging input. Twenty different models are available, with from one to five outputs. All of the units are self-cooled with an internal, top-mounted ball bearing fan. The units are housed in a low-profile case measuring 4.53 x 8.27 x 2.44 inches.For multi-output models the main output is 5Vdc at 20A; auxiliary output voltages available are +/-12Vdc at 5A and +/-Vdc at 4A; 3.3, 5, 12, 24 and 48Vdc; and -5Vdc at 0.3A. The input EMI filter meets FCC20780 level B and EN55022 level B while input surge and transient protection meet EN61000-4-5 levels 2 and 3 and EN61000-4-4 level 3, respectively. The units also feature inrush current limiting.Additional features of the CB Series include over-voltage protection on the main output, overload and short-circuit protection on all outputs, thermal protection and ac power fail or ac reset signals. The series includes four single-output models, two triple-output, eight quad-output and six five-output models. Pricing in OEM quantities is $129 each.