Product category: Frequency Control Components
News Release from: Euroquartz | Subject: MF series
Edited by the Electronicstalk Editorial Team on 19 July 2001
Surface-mount crystals are
just 1mm high
Frequency products specialist Euroquartz has a new range of ultraminiature surface-mount crystals that offer a footprint size of just 3.5 x 6.2mm and very low profile height of just 1mm
Frequency products specialist, Euroquartz has launched a new range of ultraminiature surface-mount crystals that offer a footprint size of just 3.5 x 6.2mm and very low profile height of just 1mm. The new MF series surface-mount crystals offer high fundamental frequencies from 12 to 50MHz and models can also be supplied in frequencies from 40 to 100MHz (AT-3rd overtone).
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Frequency tolerance at 25C is available in four bands of +/-5, +/-10, +/-20 or +/-30ppm.
Similarly, temperature stability characteristics encompass four ranges of +/-5, +/-10 or +/-30ppm over the range -20 to +70C and +/-3ppm over the temperature range -30 to +85C.
Specifications include shunt capacitance of 2 to 4pF typical, 5pF maximum, load capacitance from 10 to 32pF or series, drive level of 10W maximum and ageing at 25C of less than +/-2ppm maximum per year.
Maximum equivalent series resistor (ESR) specifications for AT fundamental crystals are 80ohm from 12 to 16MHz and 40ohm from 16.1 to 50MHz.
ESR for AT-3rd overtone versions is 70ohm from 40 to 67MHz and 90ohm from 67.1 to 100MHz.
MF series crystals are supplied on tape and reel (2000 pieces per reel) or in bulk packs.
The crystals are suitable for reflow soldering - 10s maximum at 260C (two times) or 180s at 230C (once).
Storage temperature is from -40 to +85C.
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