Surface Mount Crystals

RoHS-compliant and Pb-free product. Light weight and compact. Ideal for consumer portable devices. The whole package is grounded via the topmetal lid and the two bottom pads . Frequency tolerance as tight as 5 ppm is available.

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Item / Type

MJ series ( 5.0 * 3.2 * 0.9 mm )

Frequency Range /
Crystal Cut

10.000 ~ 50.000 MHz , AT-cut , Fundamental Mode ( see Table 1 )

40.000 ~ 125.000 MHz , AT-cut , 3rd overtone ( see Table 1 )

note: Frequencies between 40 and 50 MHz can be either AT fundamental or AT 3rd overtone. To avoid mistake, please add "AF" after the frequency on part number for AT-cut fundamental mode. "A3" for AT-cut 3rd overtone. For example: MJ-40.000AF-20P.

Load Capacitance

Series Resonance or Parallel ( 8 to 32 pF typical )

Equivalent Series Resistance (E.S.R.) Frequency Oscillation Mode E.S.R. max.

10.000 MHz ~ 50.000 MHz

AT-cut, fundamental mode

50