RSEH15 Datasheet, PDF (1/1 Pages) Raltron Electronics Corporation – SURFACE MOUNT TUNING FORK CRYSTAL UNIT

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
7.95 TYP
.313 TYP
mm
Scale none Dimension in
inch
C
D
CARRIER TAPE DIMENSIONS
1.5 DIA
.06 DIA
2.0 ± 0.05
.079 ± .002
4.0 ± 0.1
.157 ± .004
1.9
B
A
.75
C
D
.75
6.5
.030
.256
.030
B
A
4.0 ± 0.1
.157 ± .004
REFLOW SOLDERING PROFILE
230 °C
REFLOW
150 °C
PREHEATING
COOLING
15 - 20 s
25 °C
30 - 40 s
TIME (SECONDS)
PART NUMBERING SYSTEM
HOLDER
TYPE
FREQUENCY
LOAD
CAPACITANCE
-
CIRCUIT
TYPE
RSE
-
-
32.768 KHz
12.5 pF
-
H15
TAPE & REEL
TR
REEL DIMENSIONS
Ø330
40°
120°
Ø13.0 ± 0.5
Ø.511 ± .020
2.0 ± 0.5
.079 ± .020
Ø21.0 ± 0.8
Ø.827 ± .031
RSE-H15 Reel Dimensions
9000 PIECES PER REEL
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