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Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

X49ST2-4.000-F18LJDTK specifications
ParameterValue
TypeMHz Crystal
SeriesX49ST2
MountingSurface Mount
ESR90 Ohms
Frequency4 MHz
Frequency stability±30ppm
Frequency tolerance±20ppm
Operating temperature-40°C~85°C
Size (Dimension)0.435\" L x 0.183\" W (11.05mm x 4.65mm)
Height - seated0.138\" (3.50mm)
PackageTape & Reel (TR)
Operating modeFundamental
CaseHC-49/US
Load capacitance18pF