Knowles Precision Devices offers a range of components based on a wide variety of High Q dielectrics including ultra-low ESR, high temperature, high power, ultra-stable and leaded options.

• The “Q” and “U” ranges offer a very stable High Q material system that provides excellent, low loss performance in high frequency systems. Optimized for the lowest possible ESR, this range of high frequency capacitors is suitable for many applications where economical, high performance is required.
• “H” Range offers Ultra-Low ESR with a very stable X8G High Q material system that provides excellent low loss performance. Optimized for lowest possible ESR, the electrode system provides low metal losses resulting in flatter performance curves and reduced losses at higher frequencies.
• High Power RF - A range of ultra stable Hi Q , low ESR porcelain capacitors with high self-resonance combined with established reliability.
• UL Range – ultra stable Hi Q, low ESR porcelain caps
• Porcelain AH and CF ranges - low ESR, High Q, High Voltage, Ultra Temperature Stable (CF)