RALTRON T20

SURFACE MOUNT QUARTZ CRYSTAL UNIT
SERIES T20
FEATURES
LOW PROFILE (2.0mm MAX HEIGHT)
TIGHTER TOLERANCE AVAILABLE
WIDE FREQUENCY RANGE
SPECIFICATIONS
FREQUENCY RANGE
3.579 MHz TO 60.00 MHz
MODE OF OSCILLATION
FREQUENCY
(MHz)
ESR
(OHM)
MAX
MODE
±50, 100 PPM (STANDARD)
3.579 - 4.000
180
AT FUND
±50, 100 PPM (STANDARD)
4.000 - 4.900
150
AT FUND
5.000 - 6.900
100
AT FUND
-55°C TO +105°C
7.000 - 14.900
50
AT FUND
±5 PPM PER YEAR MAX
15.000 - 23.900
40
AT FUND
24.000 - 36.000
30
AT FUND
25.000 - 40.000
40
BT FUND
30.000 - 60.000
100
AT 3rd OT
FUNDAMENTAL OR THIRD OVERTONE
CRYSTAL CUT
AT OR BT
FREQUENCY TOLERANCE AT 25°C
FREQUENCY STABILITY OVER TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
STANDARD
-10°C TO +60°C
EXTENDED
-40°C TO +85°C
STORAGE TEMPERATURE RANGE
AGING
LOAD CAPACITANCE
SERIES TO 32 pF
EQUIVALENT SERIES RESISTANCE (ESR)
SEE TABLE
DRIVE LEVEL
100 uW TYPICAL
REFLOW CONDITIONS
240°C FOR 10 s MAX
OUTLINE DRAWING
ø1.5 ± 0.1
ø.060 ± .004
2.0 ± 0.1
.079 ± .004
4.0 ± 0.1
.157 ± .004
MARKING AREA
ø2.2 ± 0.1
ø.070 ± .004
10.70
.421
5.08
.20
12.0 ± 0.1
.472 ± .004
24.0 ± 0.8
mm
inch
.945 ± .031
Scale none Dimension in
12.0 ± 0.30
.47 ± .012
11.5 ± 0.1
1.75 ± 0.1
.453 ± .004 .069 ± .004
CARRIER TAPE DIMENSIONS
5.2 ± 0.1
.205 ± .004
REFLOW SOLDERING PROFILE
2.0
.079
1.0
.039
7.48
.294
5.08
.20
2.4
.094
PACKAGING
250mm REEL DIAMETER
24mm TAPE WIDTH, 12mm PITCH
QUANTITY: 1000 PIECES PER REEL
EXAMPLE: T20-3.579545-18-EXT
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: [email protected] Internet: http://www.raltron.com