1.2×1.0mm crystal preserves ESR characteristics of larger devices
New Products
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By
Julien Happich
With most crystal units, ESR worsens when the vibrating area of a crystal is restricted due to the effects of miniaturisation. But through the use of a special packaging technology and high precision assembly, Murata was able to achieve very favorable ESR values while decreasing the size of its previous crystal unit to a 1.2×1.0mm footprint. Conforming to RoHS regulations, the 37.4MHz XRCED37M400FXQ52R0 crystal unit is lead free (phase 3) and allows lead-free soldering. The component offers a frequency tolerance of +/- 20 ppm across a temperature range of -30 to 85 °C. The maximum ESR is 60 ohms and the drive level is 100 microwatts maximum.
Visit Murata Europe at www.murata.com
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