ADSL Transformers Withstand Industrial Temperatures

Operating over the industrial temperature range of -40°C to 85°C, the 13.97 x 10 x 12.7-mm PT563-1 and 12.7 x 10 x 12.7-mm PT564-1 ADSL line transformers are designed for use as central office (CO) and customer premise equipment (CPE) interfaces. Both components comply with UL1950 and EN60950 standards and have supplementary insulation for handling operating voltages up to 250Vrms. Other specs include turns ratios of 1:1.1 ±2% for PT563-1 and 1:1.2± 2% for PT564-1, maximum leakage inductances of 7.5 µH, isolation voltages of 1.5 kVrms, and insertion losses of less than 0.5 dB at 300 kHz. The through-hole transformers are priced at $0.45 each in production volumes. For more details, call DATATRONIC, Romoland, CA. (909) 928-7700.