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|
|
Quartz Crystal Devices / Quartz Crystal Resonators / DIP MHz /
HC-49U/HC-49T
Dip Crystal
 |
Low cost, standard package
Low frequency available |
| PARAMETERS |
SPECIFICATION |
| Frequency Range |
1.8～100MHz |
| Operation Mode |
See Table 2 |
| Loading Capacitance |
20pF Std. 8pF~33pF available |
| Frequency Tolerance |
±20ppm (at 25°C) Std.,
±5ppm...±100ppm available |
| Temperature Tolerance |
±20ppm Std. (See Table 3) |
| Operating Temperature |
-20...+70°C Std. (See Table 3) |
| Storage Temp. Range |
-40...+85°C |
| Motional Resistance |
See Table 2 |
| Shunt Capacitance |
7pF max |
| Drive Level |
0.01mW - 1mW |
| Insulation Resistance |
500 MΩ (DC 500±10V) min |
| Aging (25°C) |
±5ppm max |
2. OPERATION MODE AND RS
| Frequency |
Mode |
HC-49T |
HC-49U |
| 1.8-2.0 MHz |
FUND |
|
600 |
| 2.0-2.4 MHz |
FUND |
|
450 |
| 2.4-3.0 MHz |
FUND |
|
350 |
| 3.0-3.5 MHz |
FUND |
|
150 |
| 3.5-4.0 MHz |
FUND |
150 |
90 |
| 4.0-7.0 MHz |
FUND |
90 |
70 |
| 7.0-10 MHz |
FUND |
50 |
50 |
| 10-15 MHz |
FUND |
45 |
35 |
| 15-20 MHz |
FUND |
25 |
25 |
| 20-25 MHz |
FUND/3rd OVERTONE |
25/60 |
25/50 |
| 25-30 MHz |
FUND/3rd OVERTONE |
25/40 |
25/40 |
| 30-75 MHz |
3rd OVERTONE |
40 |
40 |
| 75-100 MHz |
3rd/5th OVERTONE |
50/60 |
50/60 |
| 20-40 MHz |
BT FUND |
40 |
40 |
3. FREQUENCY STABILITY VS. TEMPERATURE
| Cutting |
Operation
Temperature
Range |
Frequency Stability |
| ±5ppm |
±10ppm |
±15ppm |
±20ppm |
±30ppm |
±50ppm |
| AT |
0...+50°C |
○ |
○ |
○ |
○ |
○ |
○ |
| -10...+60°C |
|
○ |
○ |
● |
○ |
○ |
| -20...+70°C |
|
|
○ |
○ |
● |
○ |
| -30...+80°C |
|
|
|
○ |
○ |
|
| -40...+85°C |
|
|
|
|
|
○ |
| BT |
Within a range of ±80...±120ppm |
● standart; ○ available
|
