SURFACE MOUNT TUNING FORK CRYSTAL UNIT
FEATURES
ULTRA SMALL PACKAGE
ULTRA THIN TYPE WITH HEIGHT 1.6mm MAX
SMD TYPE SUITABLE FOR AUTOMATIC & HIGH DENSITY
SURFACE MOUNTING
SERIES RSE-32.768-12.5-H15
SPECIFICATIONS
NOMINAL FREQUENCY
FREQUENCY TOLERANCE
TURNOVER TEMPERATURE
TEMPERATURE COEFFICIENT
LOAD CAPACITANCE
EQUIVALENT SERIES
RESISTANCE (ESR)
MAXIMUM EXCITATION LEVEL
DRIVE LEVEL
SHUNT CAPACITANCE
AGING (FIRST YEAR)
OPERATING TEMPERATURE
RANGE
STORAGE TEMPERATURE
RANGE
SOLDER REFLOW CONDITIONS
32.768 KHz / 75.000 KHz
STANDARD ±20 PPM (±10 PPM AVAILABLE)
±25°C ±5°C
(-3.5 ± 1.0) 10-8/ °C²
12.5 pF
55 OHMS MAXIMUM
1.0 µW
1.0 µW MAXIMUM
0.95 pF TYPICAL
±3 PPM MAXIMUM
-20°C TO +70°C
-40°C TO +125°C
230°C MAXIMUM FOR 20 s MAXIMUM (TWICE)
OUTLINE DRAWINGS
Scale none Dimension in
CARRIER TAPE DIMENSIONS
C
D
1.5 DIA
.06 DIA
2.0 ± 0.05
.079 ± .002
4.0 ± 0.1
.157 ± .004
7.95 TYP
.313 TYP
1.55 TYP
.061 TYP
1.9
B
A
C
D
.75
.030
6.5
.256
.75
.030
.75
.030
4.0 ± 0.1
.157 ± .004
2.05 TYP
.60
.024
.080 TYP
.75
.030
B
A
REFLOW SOLDERING PROFILE
230 °C
REFLOW
REEL DIMENSIONS
Ø330
TEMPERATURE
COOLING
150 °C
PREHEATING
40°
15 - 20 s
Ø50 MAX
120°
Ø13.0 ± 0.5
Ø.511 ± .020
2.0 ± 0.5
.079 ± .020
25 °C
30 - 40 s
TIME (SECONDS)
Ø21.0 ± 0.8
Ø.827 ± .031
PART NUMBERING SYSTEM
HOLDER
TYPE
-
RSE
32.768 KHz
FREQUENCY
-
12.5 pF
H15
LOAD
CAPACITANCE
-
CIRCUIT
TYPE
-
TR
TAPE & REEL
RSE-H15 Reel Dimensions
9000 PIECES PER REEL
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
.069 ± .004
1.75 ± 0.1
mm
inch