The Abracon FC4ST series is the thru-hole crystal with resistance weld seal and it have termination finish of the sn, ag3.0 and cu0.5. The shunt capacitance of this thru-hole crystal is the 7 pF and its load capacitance is the 18 pF.Tolerances down to ±10 ppmStabilities down to ±5 ppmOperating temperature range to -20°C to +70°C