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PDF XT32P Data sheet ( Hoja de datos )
| Número de pieza | XT32P | |
| Descripción | Surface Mount Watch Crystal | |
| Fabricantes | Vishay | |
| Logotipo |  |
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XT32P
Vishay Dale
Surface Mount Watch Crystal
The XT32P is a cylinder type watch crystal molded in a
thermoplastic housing capable of withstanding soldering
re-flow processing. The XT32P is perfect for your SMD
applications using the 32.768 KHz frequency. We offer two
different footprints of the part to satisfy various pattern layout
requirements.
FEATURES
• Low profile
• Industry standard footprint
• Long term stability
• Tape and reel, 2000pcs
• 100 % Lead (Pb)-free and RoHS compliant
RoHS
COMPLIANT
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
Frequency Range
Frequency Tolerance
Frequency Coefficient
Operating Temperature Range
Storing Temperature Range
Shunt Capacitance
Motional Capacitance
Load Capacitance
Insulation Resistance
Drive Level
SYMBOL
FO
∆F/FO
K
TOPR
TSTG
CO
C1
CL
IR
DL
CONDITION
at 25 °C
parabolic coefficient
Aging (first year)
Equivalent Series Resistance(ESR)
Fa
Rs
at 25 °C ± 3 °C
UNIT
KHz
ppm
ppm/°C2
°C
°C
pF
fF
pF
MΩ
µW
ppm
KΩ
MIN
-20
-0.027
-40
-55
500
TYPICAL
32.768
-0.035
1.0
2.0
12.5
±3.0
MAX
+20
-0.043
+85
+125
4
1.0
50
DIMENSIONS in inches [millimeters]
XT32PA
0.410 [10.41] Max.
0.370 [9.40]
0.140 [3.56]
Max.
0.160
[4.06]
Max.
0.100
[2.54]
#1
#4
0.100
[2.54]
#2
#3
XT32PB
0.090
[2.29]
0.020 [0.51]
0.020 [0.51]
0.100
[2.54]
#1
#4
0.100
[2.54]
#2
#3
ORDERING INFORMATION
XT32P
MODEL
A
PAD LAYOUT
A or B
32.768 KHz
FREQUENCY
/KHz
e6
JEDEC Lead (Pb)-
Free
STANDARD
PARABOLIC TEMPERATURE CURVE
TEMPERATURE (°C)
- 20 - 10 0
10 20 30 40
50 60 70
- 10
- 20
- 30
- 40
- 50
- 60
∆F/f(ppm)
To determine frequency stability, use parabolic curvature (k).
For example: What is stability at 45 °C?
1) Change in Temperature (°C) = 45 - 25 = 20 °C
2) Change in Frequency = - 0.042 ppm*(∆°C)
= - 0.042 ppm*(20)2
= - 16.8 ppm(max)
GLOBAL PART NUMBER
XT
32P
A
A
32
K 76 8
MODEL
Document Number: 35040
Revision: 17-Jun-05
PAD PACKAGE
LAYOUT CODE
For technical questions contact: [email protected]
FREQUENCY
www.vishay.com
9
Datasheet pdf - http://www.DataSheet4U.net/
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