9101 W. Sahara Ave. Suite 105-E10
Phone: (702) 597-2495, Fax: (702) 940-8405
E-mail: sales@vcamerica.com sales@xeco.net
X5024 series
Nominal 5 x 2.4 mm blanks for
5x7mm ceramic SMD High Frequency Oscillators
XECO's X5024 crystal blank series offer high performance inverted mesa crystals at lower cost
via an economical process achieving a frequency tolerance of 0.12f^2. The X5024 is intended for
standard 5x7mm ceramic SMD package. Crystals are 100% tested and sorted by frequency and
then sequentially packed into a waffle packs. Available to 170MHz on the fundamental and
240MHz for third overtone operation.
XECO proprietary processes yield a clean mesa and transition area to achieve good plating over
the transitions and high crystal performance. The X5024 is a lower cost version of the RM196,
which is supplied to a standard frequency tolerance of 0.02f^2.
A frequency report included with the shipment allows crystals to be selected by columns and rows
to use for a plating group. Plating calibration setup accuracy is improved as the frequency of the
crystals used is known, not just part of a sort group range.
FEATURES
•
Rugged Crystal 4.978mm x 2.388mm
•
Plateback set for Chrome-Gold elec-
trodes or Aluminum Electrodes
•
Sized for 5x7mm ceramic SMD
•
100% tested blanks for highest yield
potential
•
Stable oscillation
•
High Q, chemically etched, free of
etch channels or scratches in the
Mesa area
BENEFITS
•
Low unit cost
•
Higher yield through lower breakage
(rugged)
•
Flexible sorting groups
•
More accurate plating calibration setup
•
Excellent oscillator performance
APPLICATIONS
•
Volume clock oscillators and VCXO
•
Customer applications for SONET, 10G, 1G,
Storage, network communications
•
Small packaged crystals for precise fre-
quency control applications
PRODUCT OFFERING/RANGE
• Fundamental or overtone applications
• 50MHz to 170MHz Fundamental mode*
• 150MHz to 240 MHz third overtone mode*
• AT angles from 35D8' to 35D29.5' [EFG3D6' to
2D45']
• Standard angle tolerance of +/-2'
• Low etch Channel pure Z quartz with a Q mini-
mum of 1.8 million
• Sorted and packed in order of frequency by each lot
• Cleaned and packed in vacuum sealed waffle packs
*See RM196 series for higher frequencies or Z5024
for similar crystal for UM-1 packaging
Typical electrode pattern for 5x7mm
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