Quartz Crystal Units
- Company Name:Quartz tech Co., Ltd.
- Membership:Free Member
- Member Since:2005. 02.27
- Country/Region:Korea
- City:Gyeonggi-do
- Contact:Hwal Cheong
- Related Keywords:Quartz Crystal Units
Quartz tech Co., Ltd.
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Quartz tech Co., Ltd.
[Korea]
- Address
- 323-10, Songnae-dong, Sosa-gu, Bucheon-si, Gyeonggi-do
- Phone
- 82-32-6672441
- Contact name
- Hwal Cheong
Quick Information
- Model Number : CYLINDER TYPE
Description
Specification
| Type | QT-308 | QT-309 | QT-310 |
| Frequency range |
3.579MHz to 70MHz | ||
| Frequency tolerance(at 25°C) |
±10ppm to ±50ppm | ||
| Frequency stability Vs. Operation tempareture range |
±5ppm to ±100ppm | ||
| Equivalent series resistance |
Table 1 | ||
| Storage temparature range |
-40°C to +85°C | ||
| Load capacitance |
16pF(STD), Series or customer spec. | ||
| Shunt capacitance |
7.0pF Max | ||
| Drive level |
0.01mW to 1.0mW | ||
| Insulation resistance |
500M Min at 100Vdc | ||
| Aging (at 25°C) | ±5ppm / year Max | ||
TABLE 1. EQUIVALENT SERIES RESISTANCE
| Frequency (Mhz) | Max E.S.R | Mode of Osciliation |
| 3.579~3.699 |
180 |
Fundamental |
| 3.700~4.099 |
150 |
Fundamental |
| 4.100~4.399 |
130 |
Fundamental |
| 4.400~5.999 |
120 |
Fundamental |
| 6.000~9.999 |
80 |
Fundamental |
| 10.000~13.999 |
60 |
Fundamental |
| 12.000~14.999 |
50 |
Fundamental |
| 15.000~19.999 |
40 |
Fundamental |
| 20.000~27.000 |
30 |
Fundamental |
| 24.000~48.000 |
100 |
3rd Overture |
| 48.000~70.000 | 80 | 3rd Overture |
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