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Help CenterHC-49SMD High Quality Quartz Crystal Resonator 26MHz Passive Crystal Unit
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HC-49SMD high quality quartz crystal resonator 26MHz 4 pad passive crystal unit
Application
Radio communication, audio-visual equipment, office automation equipment, consumer product,etc
Frequency range & equivalent series resistance
Frequency range |
See table 1 |
Vibration mode |
AT cut: fuandamental. third |
Frequency tolerance at 25℃ |
±10, ±15, ±20, ±30, ±50ppm |
Operating temperature range and frequency stability |
See table 2 |
Equivalent series resistance |
See table 1 |
Shunt capacitance |
5.0pF max or special |
Measure instrument |
S&A 250B PI system |
Load capacitance |
Series8, 16, 20, 30pF or special |
Drive level |
10, 100, 300uW or special |
Insulation resistance |
500 M Ω min/DC 100V |
Aging |
±1, 3, 5 ppm/year |
Storage temperature range |
-40~+85℃ |
Table 1 Operating temperature range and frequency stability
Frequency(MHz) |
Vibration mode |
HC-49SMD(Ω) |
3.2~3.79 |
Fundamental/F |
180 |
3.8~4.49 |
Fundamental/F |
150 |
4.5~5.99 |
Fundamental/F |
120 |
| 6.0~7.99 | Fundamental/F | 100 |
| 8.0~9.99 | Fundamental/F | 80 |
| 10.0~11.9 | Fundamental/F | 70 |
| 12.0~15.9 | Fundamental/F | 60 |
| 16.0~19.9 | Fundamental/F | 50 |
| 20.0~26.0 | Fundamental/F | 40 |
| 26.0~39.9 | Third/O3 | 100 |
| 40.0~60.0 | Third/O3 | 80 |
| 60.0~80.0 | Third/O3 | 60 |
| 80.0~100.0 | Third/O3 | 60 |
Table 2 Operating temperature range and frequency stability
|
PPM TEMP |
±10 |
±15 |
±20 |
±30 |
±50 |
0~+50℃ |
√ |
√ |
√ |
√ |
√ |
-10~+60℃ |
√ |
√ |
√ |
√ |
√ |
-20~+70℃ |
√ |
√ |
√ |
√ |
√ |
-30~+80℃ |
|
|
√ |
√ |
√ |
-40~+90℃ |
|
|
|
√ |
|
SMD process flow
DIP process flow
Blank process flow
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