Poway, Calif. - Tecate Industries Inc. says that its Type CMT multilayer ceramic chip capacitor, designed for filtering in telephone line tip-and-ring applications, can replace larger, leaded film capacitors, saving pc-board space in a variety of communications systems and networks.
Compared with film capacitors, the CMT devices offer low equivalent-series resistance, high-frequency filtering and improved temperature performance, said the company. Offered in seven EIA case sizes ranging from 0805 to 2225, in either X7R and Z5U dielectrics, the parts offer capacitance values from .001 to 1.2 microfarads. Capacitance tolerances are plus/minus 5, plus/minus 10 and plus/minus 20 percent for the X7R caps, plus/minus 20 percent for the Z5U devices.
The X7R capacitors provide a TCC of plus/minus 15 percent in an operating temperature range of -55 degrees C to 125 degrees C, while the Z5U devices provide a TCC of +22 percent to -56 percent in an operating temperature range of 10 degrees to 85 degrees C. Five standard voltage ratings are available from 200 to 600 Vdc. Pricing starts at 5 cents each in quantities of 10,000. Delivery is from stock to eight weeks.
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