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25
C R Y S T A L S
VFSMC-4/5
VFSMC4, VFSMC5
Miniature SMD Tuning Fork Watch Crystal
F E AT U R E S
Miniature Package
2,5mm Height
Long term Stability
Tape & Reel
0.342" MAX (8,7mm)
0.098" MAX
(2,5mm)
0.146" MAX
(3,7mm)
0.051" (1,3mm)
0.051"
(1,3mm)
0.165"
(4,2mm)
0.075"
(1,9mm)
0.075"
(1,9mm)
0.051"
(1,3mm)
0.045"
0.008" (1,15
0,2mm)
0.045"
0.008"
(1,15
0,2mm)
0.020"
0.004"
(0,5
0,1mm)
0.216"
0.004"
(5,5
0,1mm)
#1
#2
#3
#4
Recommended
Solder Pad Layout
VFSMC-4
0.146" MAX
(3,7mm)
0.045"
0.008" (1,15
0,2mm)
#1
#2
#3
#4
VFSMC-5
Parameter
Unit
Condition
Min
Typ
Max
Note
Frequency kHz
32.768
Range
Frequency ppm
@25C,
20
Tolerance
CL = 12.5pF
Frequency ppm
Temperature
See
Stability
(
C)
-2
Coefficient
Chart
Operating
C
-40
+85
Temperature Range
Turnover Temp.
C
+20
+30
Storage
C
-55
125
Temperature Range
Equivalent
k
50
Series Resistance
Insulation
M
100
Resistance
Drive Level
W
1.0
Aging Per Year
ppm
25C
-3.0
+3.0
Stability Over Temperature
Temperature in Degrees C
F in ppm
F= -0.04t
2
+ 2t -25
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-40
-20
0
20
40
60
80
Note: Please reference "Building a Part Number" on page 36 if the desired specification is
not found in the "Standard Crystal Part Number Chart" on pages 1314.
All specifications are subject to change without notice.
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