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
SURFACE MOUNT TUNING FORK CRYSTAL UNIT
SERIES RSM200S
MARKING
AREA
4
3
2
1
1.3
.05
4.2
.17
1.3
.05
1.3
0.5
1.9
0.7
1.9
0.7
SOLDER PATTERN
1.25
.049
5.5
.22
8.0 MAX
.31 MAX
1.25
.049
0.5
.02
0.5
.02
2.5 MAX
.01 MAX
4
3
2
1
3.8 MAX
.15 MAX
4.0 0.1
2.0 0.1
4.05 0.1
.159 .004
8.0 0.1
.315 .004
8.3 0.3
.327 .012
1.5 + 0.1DIA
.059 + .004DIA
.157 .004
.079 .004
1.75 0.1
.069 .004
16.0 0.3
.630 .012
2.7 0.1
.106 .004
.295 .004
7.5 0.1
PREHEATING
REFLOW
COOLING
240 C
150 C
25 C
60 s MIN
TIME (SECONDS)
TEMPERATURE
230 s MAX
5-10 s
2 TO 5 C/s
100 C
200 C
1 TO 4 C/s
30 s
FEATURES
OUTLINE DRAWING
REFLOW SOLDERING PROFILE
CARRIER TAPE DIMENSIONS
SPECIFICATIONS
Scale none Dimension in
mm
inch
EXAMPLE: RSM200S-32.768-12.5-T
R
PART NUMBERING
330 mm REEL DIAMETER, 16mm TAPE WIDTH, 8mm PITCH
QUANTITY: 3000 PIECES PER REEL
0
-10
25
60
TEMP
(C)
f/fo
(ppm)
-50
FREQUENCY VS. TEMPERATURE CURVE
PACKAGING
SUITABLE FOR TIME OF DAY CLOCKS
SMALL AND COMPACT PACKAGE
IDEAL FOR PICK AND PLACE ASSEMBLY
SERIES
RSM200S
NOMINAL FREQUENCY
32.768 KHz
FREQUENCY TOLERANCE AT 25C
20 PPM
TURNOVER TEMPERATURE
25C 5 C
PARABOLIC CURVATURE CONSTANT
(-0.034 0.006) PPM/ C
OPERATING TEMPERATURE RANGE
-10C TO +60C
OPERABLE TEMPERATURE RANGE
-40C TO +85C
STORAGE TEMPERATURE RANGE
-55C TO +125C
AGING (FIRST YEAR)
3 PPM MAXIMUM
EQUIVALENT SERIES RESISTANCE (ESR)
50K OHM MAXIMUM
LOAD CAPACITANCE
12.5 pF
SHUNT CAPACITANCE
1.35 pF TYPICAL
MOTIONAL CAPACITANCE
0.003 pF TYPICAL
CAPACITANCE RATIO
450 TYPICAL
DRIVE LEVEL
1 W MAXIMUM
INSULATION RESISTANCE
500 M OHM MINIMUM
SHOCK RESISTANCE
5 PPM MAXIMUM 75 cm DROP TEST ONTO A HARD
SURFACE OR 3000 g x 0.3 ms x SINEWAVE IN 3 AXES
REFLOW CONDITIONS
240C FOR 10 SECONDS MAXIMUM (SEE PROFILE)
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D
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