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New MLCCs to reduce signal loss and energy use

27 Jun 2012

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Vishay Intertechnology has introduced its new series of surface-mount multilayer ceramic chip capacitors (MLCCs). The new device offers high self-resonance, a high Q factor of 2000 or better, and a low dissipation factor of 0.05 % or better for operation in high-frequency commercial applications.

Devices in the VJ HIFREQ series possess a low dissipation factor, optimizing them for filter and matching networks, and amplifier and DC blocking circuits. The MLCCs reduce signal loss and energy consumption in power amplifier modules, VoIP networks, cellular base stations, GPS systems, and satellite, WiFi (802.11), and WiMAX (802.16) wireless communication.

The VJ HIFREQ series allows designers to meet size requirements of their specific applications. The device is offered in a variety of case sizes (0402, 0603 and 0805), with broad working voltages from 20 VDC to 250 VDC, and a wide capacitance ranges from 1 pF to 1.5nF. The devices also offer tolerances to 0.1 pF, an aging rate of 0% per decade, and an operating temperature range of -55°C to +125°C.

The capacitors are manufactured in a noble metal electrode technology (NME) with a wet build process. The capacitors are available with various RoHS-compliant finishes to meet the needs of the applications. It is available in nickel barrier with 100 % matte tin plate for reflow assembly, silver-palladium for conductive epoxy assembly, and non-magnetic for applications sensitive to magnetic interference. It is also available in a lead-bearing termination finish.

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