RSEH14 Datasheet, PDF (1/1 Pages) Raltron Electronics Corporation – SURFACE MOUNT TUNING FORK CRYSTAL UNIT

SURFACE MOUNT TUNING FORK CRYSTAL UNIT
FEATURES
SUITABLE FOR TIME OF DAY CLOCK APPLICATIONS
LOW PROFILE 1.3 mm HEIGHT
EXCELLENT FOR AUTOMATIC AND HIGH DENSITY SURFACE MOUNTING
SPECIFICATIONS
NOMINAL FREQUENCY
32.768 kHz
FREQUENCY TOLERANCE
±20 PPM, ±50 PPM
TURNOVER TEMPERATURE
±25°C ±5°C
TEMPERATURE COEFFICIENT
-(0.035±0.01) PPM/°C²
LOAD CAPACITANCE
12.5 pF
EQUIVALENT SERIES RESISTANCE
65 kOHMS MAXIMUM
DRIVE LEVEL
0.1 µW TYP, 1 µW MAX.
SHUNT CAPACITANCE
0.8 pF TYPICAL
AGING (FIRST YEAR)
±3 PPM/YEAR MAXIMUM
OPERATING TEMPERATURE RANGE
-20°C TO +70°C
STORAGE TEMPERATURE RANGE
-40°C TO +125°C
INSULATION RESISTANCE
500 MOHMS MINIMUM
SHOCK RESISTANCE
±5 PPM MAXIMUM
OUTLINE DRAWING
SERIES RSE H14
CARRIER TAPE DIMENSIONS
#4
#3
MARKING
AREA
#1
#2
0.1
.004
6.7
0.263
0.1±.005
.004±.0002
6.9±0.1
0.27±0.004
3
1.2 5.1
0.047 0.2
SOLDER PAD LAYOUT
1.5 DIA
.06 DIA
2.0 ± 0.05
.079 ± .002
4.0 ± 0.1
.16 ± .004
4.4 ± 0.1
.170 ± .004
8.0 ± 0.1
.315 ± .004
3.0
. 0.118
0.4
0.015
0.2
#1
#2 ^0.007
#4
#3
0.2
0.007
PIN 4
PIN 3
PIN 1
PIN 2
LEAD CONNECTION
REFLOW SOLDERING PROFILE
260 °C
200 °C
150 °C
100 °C
25 °C
2 TO 5 °C/s
PREHEATING
REFLOW
5s
30 s
1 TO 4 °C/s
230 s MAX
COOLING
60 s MIN
TIME (SECONDS)
FREQUENCY VS. TEMPERATURE CURVE
-10
25
60
0
TEMP
(°C)
-50
∆ f/fo (ppm)
PACKAGING
330mm REEL DIAMETER
16mm TAPE WIDTH, 8mm PITCH
QUANTITY: 3000 PIECES PER REEL
PART NUMBERING SYSTEM
HOLDER
TYPE
-
FREQUENCY
-
LOAD
CAPACITANCE
-
H14
- ^{TAPE & REEL}
RSE
IN kHz
12.5 pF
TR
EXAMPLE: RSE-32.768-12.5-H14-TR
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