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
A
B
C
D
.75
.75
.60
6.5
1.9
2.05 TYP
1.55 TYP
7.95 TYP
A
B
C
D
.256
.030
.030
.030
.030
.080 TYP
.061 TYP
.313 TYP
.024
.75
.75
SURFACE MOUNT TUNING FORK CRYSTAL UNIT
PREHEATING
REFLOW
COOLING
230 C
150 C
25 C
30 - 40 s
TIME (SECONDS)
TEMPERATURE
15 - 20 s
FEATURES
SPECIFICATIONS
OUTLINE DRAWINGS
REFLOW SOLDERING PROFILE
Scale none Dimension in
mm
inch
NOMINAL FREQUENCY
32.768 KHz / 75.000 KHz
FREQUENCY TOLERANCE
STANDARD 20 PPM (10 PPM AVAILABLE)
TURNOVER TEMPERATURE
25C 5C
TEMPERATURE COEFFICIENT
(-3.5 1.0) 10-8/ C
LOAD CAPACITANCE
12.5 pF
EQUIVALENT SERIES
RESISTANCE (ESR)
55 OHMS MAXIMUM
MAXIMUM EXCITATION LEVEL
1.0 W
DRIVE LEVEL
1.0 W MAXIMUM
SHUNT CAPACITANCE
0.95 pF TYPICAL
AGING (FIRST YEAR)
3 PPM MAXIMUM
OPERATING TEMPERATURE
RANGE
-20C TO +70C
STORAGE TEMPERATURE
RANGE
-40C TO +125C
SOLDER REFLOW CONDITIONS
230C MAXIMUM FOR 20 s MAXIMUM (TWICE)
ULTRA THIN TYPE WITH HEIGHT 1.6mm MAX
ULTRA SMALL PACKAGE
SMD TYPE SUITABLE FOR AUTOMATIC & HIGH DENSITY
SURFACE MOUNTING
HOLDER
TYPE
-
FREQUENCY
-
LOAD
CAPACITANCE
-
CIRCUIT
TYPE
-
TAPE & REEL
RSE
32.768 KHz
12.5 pF
H15
TR
PART NUMBERING SYSTEM
SERIES RSE-32.768-12.5-H15
1.5 DIA
.06 DIA
.157 .004
4.0 0.1
1.75 0.1
.069 .004
4.0 0.1
.157 .004
2.0 0.05
.079 .002
CARRIER TAPE DIMENSIONS
REEL DIMENSIONS
21.0 0.8
2.0 0.5
120
RSE-H15 Reel Dimensions
40
13.0 0.5
.079 .020
.827 .031
.511 .020
330
50 MAX
9000 PIECES PER REEL
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