 |
| |
Specifications
(Characteristics)
| Item |
Symbol |
Specifications |
Remarks |
| Nominal
Frequency |
f |
30.000KHz-200.000KHz |
|
| Storage
Temperature |
T
STG |
-20oC~+70oC |
|
| Operating
Temperature |
T
OPR |
-10oC~+60oC |
|
| Drive
Level |
DL |
1.0µ
W max. |
|
| Soldering
Temperature |
TSOL |
Below
280oCwithin 5 sec. |
|
| Frequency
Tolerance |
 f
/ f |
¡Ó10
~ ¡Ó50ppm |
Ta=25oC,
DL¡Ø1.0mW |
| Turnover
Temperature |
T |
25¢XC
Typ. |
|
| Parabolic
Curvature Constant |
a |
-0.04ppm/o¢XC2
max |
|
| Loading
Capacitance |
CL |
12.5
- 32pf,  |
|
| Equivalent
Resistance |
R1 |
40K 
max./ 30K
max. |
|
| Motional
Capacitance |
C1 |
0.0006pF
Typ. ~ 0.004pF Typ. |
|
| Shunt
Capacitance |
C0 |
2.0pF
Typ. ~ .06pF Typ. |
|
| Insulating
Resistance |
IR |
500M
min. |
|
| Aging |
fa |
¡Ó
5ppm / year max. |
Ta
=25¡Ó3oC, First Year |
| Shock
Response |
S.R. |
¡Ó
5ppm max. |
Dropping
from height of 75cm for 3 times on firm wood
|
Dimensions
(mm)
 |
| ETK-26 |
 |
| ETK-38 |
|
| |
|
| |
 |
|
