Kyocera AVX has released a new ultra-low equivalent series resistance (ESR) family of C0G (NP0) RF multi-layer ceramic chip capacitors (MLCCs) with tight tolerances. The KGU series of miniature RF MLCCs are designed for communications applications such as filter networks, matching networks, high-Q frequency sources, tuning, coupling, bypass and DC blocking circuits in cellular base stations, 802.11 Wi-Fi networks, subscriber-based wireless devices, broadband wireless, satellite communications and public safety radio systems.
The communications market’s increased demand for RF capacitors with repeatable RF performance prompted the development of the new KGU Series RF MLCCs. These MLCCs deliver several performance advantages and are available in four miniature EIA chip sizes: 01005, 0402, 0603 and 0805.
Key specs include a voltage range of 16–250 V, a capacitance range of 0.1–100 pF and tolerances as low as ±0.05 pF. These MLCCs also offer an extended operating temperature range of -40°C to 125°C.
Featuring Class I C0G (NP0) ceramic dielectric materials, one of the most stable capacitor dielectrics available, these ceramic capacitors have a temperature coefficient of capacitance (TCC) of 0±30 ppm/°C and a zero-voltage coefficient. Base metal electrodes made of copper plated with a tin/nickel alloy provide high capacitance-voltage (CV) capabilities in miniaturized cases. They also feature high power, high Q, and high self-resonant frequencies (SRF).
These RF MLCCs are RoHS compliant. They are resistant to thermal shock, offer long-life performance, and feature no aging and piezoelectric effects.