Communications Power

Cherokee Intros CRP500 Series Switch-Mode Power Supplies

Cherokee International LLC (Tustin, CA) recently introduced the CRP500 Series of 500W bulk power switchmode power supplies. The latest in Cherokee's line of telecom rectifiers, the CRP500 is designed to meet the stringent quality demands of communications OEMs and are BELLCORE compatible. Standard features include a power factor corrected input mains that complies with EN61000-3-2 and EMI filtering that meets both conducted and radiated FCC class A (EN55022/11) electromagnetic compatibility conformance on all models, with class B optional. The units feature ac input of 85-264Vac continuous range operation, 47-63Hz single phase. Available output voltages are 24, 36, 48 and 54Vdc. Other features include remote sense, single-wire current sharing, ac input undervoltage protection and signal, and remote on/off. Combined line-load regulation is +/-0.5 percent for all models; PARD/ripple and noise is 30mVrms; dc to dc PARD is less than 250mV; and voice frequency noise is 32dBrnc. Small quantity (100-piece) pricing starts at $384 for all models.

Cherokee International LLC
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