ZTT Series Ceramic Resonator The ZTT Series ceramic resonator offers a wide frequency range and extended temperature range capabilities with built in load capacitance. Obsolete/End of Life Date 5/06/2020 Request a Sample OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ZTT Series Low Profile Wide Frequency Range Extended temperature range RoHS Compliant (Note 7 Exemption) Built-in load capacitance Part Number ZTT .