| Crystal unit | HC49SG with grund |
 |
|
Holder
Type
|
HC-49SG |
|
Frequency
Range
|
4.000000 MHz |
|
Frequency
Stability at 25° C
|
+ 30 ppm. |
|
Temperature
Stability
|
+ 50 ppm @ -10°C to +70°C |
|
Drive
Level
|
0.5 mW max. |
|
Load
Capacitance (CL )
|
30 pF, Code E |
|
Shunt
Capacitance (CO )
|
7 pF max. |
|
Vibration
Mode
|
AT-cut,fund. |
|
Equivalent
Series Resistance
|
R = 150 Ohm max. |
|
Aging
|
+ 5 ppm max./ year |
|
Leak
|
2 x 10-8 cc/sec max. helium |
|
Marking
|
4.000CEcode |
|
All
information subject to change
|
|
 |