rystal unit
Epson Toyocom
MHz RANGE CRYSTAL UNIT
LOW PROFILE SMD
MA - 306
•Frequency
range
•Thickness
•Overtone
order
•Applications
:
:
:
:
14.31818 MHz,17.734 MHz to 41 MHz
2.54 mm Max.
Fundamental
For Clock of integrated circuit
Actual size
Specifications (characteristics)
Item
Nominal frequency range
Temperature Storage temperature
range
Operating temperature
Level of drive
Frequency tolerance (standard)
Frequency versus
temperature characteristics
(standard)
Load capacitance
Motional resistance (ESR)
Frequency aging
Symbol
f
T_stg
T_use
DL
f_tol
f_tem
CL
R
1
f_age
Specifications
14.31818 MHz,17.734 MHz to 41.000 MHz
-55
°C
to +100
°C
-20
°C
to +70
°C
10
µW
to 100
µW
±50 ×
10
-6
±30 ×
10
-6
Remarks
Fundamental
Store as bare product after unpacking
+25
°C
-20
°C
to +70
°C
For the out of standard specifications,
please contact us for inquires
Please specify
-20
°C
to +70
°C,
DL=100 µW
+25
°C,
First year
10 pF to
∞
60
Ω
Max.
±5 ×
10
-6
/ year Max.
(Unit:mm)
External dimensions
Footprint (Recommended)
(Unit:mm)
8.0 Max.
#4
#3
E
#1
572
#2
#1
#2
2.54 Max.
2.38
0.5
5.5
Do not connect #2 and #3 to external device.
Metal may be exposed on the top or bottom of this product.
This will not affect any quality, reliability or electrical spec.
(0.9)
1.9
(0.9)
1.3
4.2
1.3
http://www.epsontoyocom.co.jp
1.9
1.3
1.9
3.2
20.000M
3.8 Max.
Internal Connection
(TOP VIEW)
#3
#4
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