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
PIN 4 PIN 3
PIN 2
PIN 1
MARKING
AREA
0.6
.024
5.5
.217
0.6
.024
0.7
.028
4.8
.189
0.7
.028
0.7
.028
1.6
.063
1.6
.063
SOLDER PAD LAYOUT
1.4
.055
1.4
.055
2.5
.099
PIN 4 PIN 3
PIN 2
PIN 1
LEAD CONNECTION "C"
PIN 4 PIN 3
PIN 2
PIN 1
LEAD CONNECTION "D"
3.7
.148
8.7
.343
SURFACE MOUNT TUNING FORK CRYSTAL UNIT
0
-10 25 60
TEMP
(C)
f/fo
(ppm)
-50
330mm REEL DIAMETER
16mm TAPE WIDTH, 8mm PITCH
QUANTITY: RSE A OR B 2000 PIECES PER REEL
RSE C OR D 3000 PIECES PER REEL
SERIES RSE A, B, C, D
RSE A, B RSE C, D
HOLDER
TYPE
-
FREQUENCY
-
LOAD
CAPACITANCE
-
CIRCUIT
TYPE
-
TAPE AND REEL
RSE
IN KHz
6 OR 12.5 pF
A
B
C
D
T
R
EXAMPLE: RSE-32.768-12.5-B-T
R
FEATURES
SPECIFICATIONS
OUTLINE DRAWINGS
PACKAGING
REFLOW SOLDERING PROFILE
FREQUENCY VS. TEMPERATURE CURVE
PART NUMBERING SYSTEM
CARRIER TAPE DIMENSIONS
SUITABLE FOR TIME OF DAY CLOCK APPLICATIONS
LOW FREQUENCY RANGE
EXCELLENT FOR AUTOMATIC AND HIGH DENSITY SURFACE MOUNTING
NOMINAL FREQUENCY
32.768 KHz
24.00 TO 350.00 KHz
351.00 KHz TO 615.00 KHz
FREQUENCY TOLERANCE
20 PPM MAXIMUM (50 PPM AND 100 PPM AVAILABLE)
TURNOVER TEMPERATURE
25C 5C
25C 8C
25C 15C
TEMPERATURE COEFFICIENT
(-0.035 0.008) PPM/
C
LOAD CAPACITANCE
6.0 TO 12.5 pF
EQUIVALENT SERIES
RESISTANCE (ESR)
50 K OHM MAXIMUM
50 K OHM MAXIMUM
20 K OHM MAXIMUM
DRIVE LEVEL
1.0 W MAXIMUM
SHUNT CAPACITANCE
1.0 pF TYPICAL
0.95 pF TYPICAL
0.9 pF TYPICAL
AGING (FIRST YEAR)
5 PPM MAXIMUM
OPERATING TEMPERATURE
RANGE
-40C TO +85C
STORAGE TEMPERATURE
RANGE
-55C TO +125C
SHOCK RESISTANCE
5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD SURFACE OR
3000 g x 0.3 ms x SINEWAVE IN 3 AXES
SOLDER REFLOW CONDITIONS
230 C MAXIMUM FOR 20 s MAXIMUM
PIN 4 PIN 3
PIN 2
PIN 1
10.41
.410
9.40
.370
0.6
.024
0.6
.024
2.7
.106
5.0
.197
2.7
.106
PIN 4 PIN 3
PIN 2
PIN 1
LEAD CONNECTION "A"
LEAD CONNECTION "B"
PIN 4 PIN 3
PIN 2
PIN 1
0.51
.020
2.29
.090
0.51
.020
3.56
.140
2.54
.100 .100
2.54
SOLDER PAD LAYOUT
MARKING
AREA
4.06
.160
1.7
.067
3
Scale none Dimension in
mm
inch
PREHEATING
REFLOW
COOLING
230 C
150 C
25 C
30 - 40 s
TIME (SECONDS)
TEMPERATURE
15 - 20 s
1.5 DIA
.06 DIA
.16 .004
4.0 0.1
1.75
.069
16
.630
7.5
.295
4.3 0.1
.170 .004
8.0 0.1
.315 .004
2.0 0.05
.079 .002
H
CAVITY HEIGHT "H"
RSE "A AND B" = 4.0 mm/.157 in
RSE "C AND D" = 3.0 mm/.118 in
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