The CR101/U from Quantic Croven is a Space Qualified Crystal with Frequency Range 7 to 20 MHz, Equivalent Series Resistance 25 to 30 Ohms, Shunt Capacitance 7 pF, Load Capacitance 30 pF, Operating Temperature Range -55 to 105 Degree C. Tags: Through Hole. More details for CR101/U can be seen below.