The ECX-19A SMD crystal is pin out compatible with our CSM-12. The ECX-19A covers a wide frequency range and has a 2.0 mm height profile. ECX-19A SMD CRYSTAL Request a Sample ECX-19A SMD CRYSTAL Compact & Low Profile Resistance-weld sealed Extended Temp. Range Option Pb Free/RoHS Compliant DIMENSIONS (mm) OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Frequency CONDITIONS ECX-19A MIN TYP MAX 3.579545 40.000 UNITS MHz Mode of Oscillation Fundamen.