RSM200S Datasheet, PDF (1/1 Pages) Raltron Electronics Corporation – SURFACE MOUNT TUNING FORK CRYSTAL UNIT

SURFACE MOUNT TUNING FORK CRYSTAL UNIT
FEATURES
SUITABLE FOR TIME OF DAY CLOCKS
SMALL AND COMPACT PACKAGE
IDEAL FOR PICK AND PLACE ASSEMBLY
SPECIFICATIONS
SERIES
RSM200S
NOMINAL FREQUENCY
32.768 KHz
FREQUENCY TOLERANCE AT 25°C
±20 PPM
TURNOVER TEMPERATURE
25°C ±5 °C
PARABOLIC CURVATURE CONSTANT
(-0.034 ±0.006) PPM/ D C²
OPERATING TEMPERATURE RANGE
-10°C TO +60°C
OPERABLE TEMPERATURE RANGE
-40°C TO +85°C
STORAGE TEMPERATURE RANGE
-55°C TO +125°C
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 µW MAXIMUM
INSULATION RESISTANCE
500 M OHM MINIMUM
SHOCK RESISTANCE
REFLOW CONDITIONS
±5 PPM MAXIMUM 75 cm DROP TEST ONTO A HARD
SURFACE OR 3000 g x 0.3 ms x ½ SINEWAVE IN 3 AXES
240°C FOR 10 SECONDS MAXIMUM (SEE PROFILE)
SERIES RSM200S
OUTLINE DRAWING
mm
Scale none Dimension in _inch
1.3
4.2
1.3
.05
.17
.05
1.25
.049
4
3
4
MARKING
AREA
1
2
1
8.0 MAX
5.5
.31 MAX _1.25
.22
.049
3
2
3.8 MAX
.15 MAX
REFLOW SOLDERING PROFILE
240 °C
200 °C
150 °C
100 °C
2 TO 5 °C/s
PREHEATING
1 TO 4 °C/s
REFLOW
5-10 s
30 s
230 s MAX
SOLDER PATTERN
0.5
0.5
.02
.02
25 °C
60 s MIN
TIME (SECONDS)
COOLING
FREQUENCY VS. TEMPERATURE CURVE
-10
25
60
0
TEMP
(°C)
CARRIER TAPE DIMENSIONS
1.5 + 0.1DIA
.059 + .004DIA
4.0 ± 0.1
.157 ± .004
2.0 ± 0.1
.079 ± .004
-50
∆ f/fo (ppm)
4.05 ± 0.1
.159 ± .004
8.0 ± 0.1
.315 ± .004
2.7 ± 0.1
.106 ± .004
PACKAGING
330 mm REEL DIAMETER, 16mm TAPE WIDTH, 8mm PITCH
QUANTITY: 3000 PIECES PER REEL
PART NUMBERING
EXAMPLE: RSM200S-32.768-12.5-TR
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: [phone] Fax: [phone] e-mail: [e-mail] Internet: http://www.raltron.com