RSE-32.768-7-H15 SERIES - Raltron Electronics Corporation

SURFACE MOUNT TUNING FORK CRYSTAL UNIT
FEATURES
SERIES RSE-32.768-12.5-H15
ULTRA SMALL PACKAGE
ULTRA THIN TYPE WITH HEIGHT 1.6mm MAX
SMD TYPE SUITABLE FOR AUTOMATIC & HIGH DENSITY
SURFACE MOUNTING
SPECIFICATIONS
NOMINAL FREQUENCY
32.768 KHz / 75.000 KHz
FREQUENCY TOLERANCE
STANDARD ±20 PPM (±10 PPM AVAILABLE)
TURNOVER TEMPERATURE
±25°C ±5°C
TEMPERATURE COEFFICIENT
(-3.5 ± 1.0) 10-8/ °C²
LOAD CAPACITANCE
12.5 pF
EQUIVALENT SERIES
RESISTANCE (ESR)
55 OHMS MAXIMUM
MAXIMUM EXCITATION LEVEL
1.0 µW
DRIVE LEVEL
1.0 µW MAXIMUM
SHUNT CAPACITANCE
0.95 pF TYPICAL
AGING (FIRST YEAR)
±3 PPM MAXIMUM
OPERATING TEMPERATURE
RANGE
-20°C TO +70°C
STORAGE TEMPERATURE
RANGE
-40°C TO +125°C
SOLDER REFLOW CONDITIONS
230°C MAXIMUM FOR 20 s MAXIMUM (TWICE)
1.55 TYP
.061 TYP
1.9
B
C
D
2.0 ± 0.05
4.0 ± 0.1
.079 ± .002
.157 ± .004
A
.75
.030
6.5
.256
.75
.030
1.5 DIA
.06 DIA
D
C
.75
.030
7.95 TYP
.313 TYP
mm
inch
1.75 ± 0.1
Scale none Dimension in
.069 ± .004
CARRIER TAPE DIMENSIONS
OUTLINE DRAWINGS
4.0 ± 0.1
A
.75
.030
B
.60
.024
2.05 TYP
.080 TYP
.157 ± .004
REEL DIMENSIONS
REFLOW SOLDERING PROFILE
REFLOW
Ø330
40°
COOLING
PREHEATING
150 °C
15 - 20 s
120°
Ø13.0 ± 0.5
Ø.511 ± .020
2.0 ± 0.5
.079 ± .020
25 °C
Ø50 MAX
TEMPERATURE
230 °C
30 - 40 s
Ø21.0 ± 0.8
Ø.827 ± .031
TIME (SECONDS)
PART NUMBERING SYSTEM
HOLDER
TYPE
FREQUENCY
-
RSE
LOAD
CAPACITANCE
RSE-H15 Reel Dimensions
-
CIRCUIT
TYPE
32.768 KHz
TAPE & REEL
9000 PIECES PER REEL
12.5 pF
H15
TR
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: [email protected] Internet: http://www.raltron.com