Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com
SERIES T20
SURFACE MOUNT QUARTZ CRYSTAL UNIT
FEATURES
SPECIFICATIONS
OUTLINE DRAWING
CARRIER TAPE DIMENSIONS
Scale none Dimension in
mm
inch
250mm REEL DIAMETER
24mm TAPE WIDTH, 12mm PITCH
QUANTITY: 1000 PIECES PER REEL
PACKAGING
LOW PROFILE (2.0mm MAX HEIGHT)
TIGHTER TOLERANCE AVAILABLE
WIDE FREQUENCY RANGE
1.5 0.1
.060 .004
.157 .004
4.0 0.1
1.75 0.1
.069 .004
5.2 0.1
.205 .004
24.0 0.8
.945 .031
11.5 0.1
.453 .004
12.0 0.1
.472 .004
2.0 0.1
.079 .004
2.2 0.1
.070 .004
REFLOW SOLDERING PROFILE
EXAMPLE: T20-3.579545-18-EXT
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FREQUENCY RANGE
3.579 MHz TO 60.00 MHz
MODE OF OSCILLATION
FUNDAMENTAL OR THIRD OVERTONE
CRYSTAL CUT
AT OR BT
FREQUENCY TOLERANCE AT 25C
50, 100 PPM (STANDARD)
FREQUENCY STABILITY OVER TEMPERATURE RANGE
50, 100 PPM (STANDARD)
OPERATING TEMPERATURE RANGE
STANDARD
-10C TO +60C
EXTENDED
-40C TO +85C
STORAGE TEMPERATURE RANGE
-55C TO +105C
AGING
5 PPM PER YEAR MAX
LOAD CAPACITANCE
SERIES TO 32 pF
EQUIVALENT SERIES RESISTANCE (ESR)
SEE TABLE
DRIVE LEVEL
100 uW TYPICAL
REFLOW CONDITIONS
240C FOR 10 s MAX
MARKING AREA
12.0 0.30
10.70
2.0
.421
.079
.47 .012
5.08
.20
2.4
.094
5.08
.20
.039
1.0
7.48
.294
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