Miniature crystals meet automotive demands
A NDK product story
Edited by the Electronicstalk editorial team Sep 15, 2004
Two new series of SMT crystals for automotive applications provide an ideal clock signal source for CPUs in power trains and safety control device applications requiring maximum reliability.
Two new series of surface mount crystal units for automotive applications provide an ideal clock signal source for CPUs in power trains and safety control device applications requiring extremely high reliability.
The crystals are available in a frequency range from 8 to 40MHz.
with a frequency tolerance (at 25+/-3C) of +/-50ppm.
They operate over the very broad temperature range of -40 to +150C and exhibit superior environmental characteristics including high vibration resistance and impact resistance.
The NX5032GA measures just 5.0 x 3.2mm with a typical height of only 1.3mm, whereas the NX8045GB measures 8.0 x 4.5mm with a typical height of 1.8mm.
Drive level for the crystals is 10uW with a standard load capacitance of 8pF.
Maximum equivalent series resistance is 220ohm from 8 to 10MHz and 150ohm from 10 to 40MHz.
Delivered in a ceramic lead-free package they meet the requirements for reflow profiling using lead-free solder.
Applications for these crystals include ECU (electronic control units), RKE (remote keyless entry), TPMS (tyre pressure monitor systems), and airbag systems.
"The NX5032GA and NX8045GB are two in a series of crystal units NDK offers for automotive electronic applications".
"These miniature crystals will assist engineers in the reduction of size and weight in their designs while still delivering excellent performance", said Mike Walczak, President, NDK America.
Delivery for the NX8045GB series is 10 to 12 weeks.
Cost for 10,000 pieces of the NX8045GB packaged tape and reel is approximately $0.495 each.
Qualified engineering samples may be ordered at no cost.
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