HC48/U crystals are available from 1.500MHz to 225.000MHz. A very rugged crystal used in applications where there are higher vibrations: Aeronautical Instruments, Security and Test Equipment, Commercial and Amateur radios
Specifications
Frequency Range | 1.500MHz - 225.000 MHz |
Frequency Tolerance at 25ºC. | ±10ppm - ±30ppm |
Temperature Range (Operating) | -10o to +60oC. - Standard |
Frequency Stability | ±10ppm - ±30ppm |
Load Capacitance | 10pF to 100pF or Series Resonant |
Shunt Capacitance | 7pF max. |
Resistance | See Below |
Aging | ±3ppm/1st year max. |
Drive Level | 1.0mW max. |
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HC48/U |
inches / mm |
Equivalent Series Resistance (ESR)
Frequency | Mode | HC48/U (Ohms) |
1.500-2.000 MHz | Fundamental | 400 |
2.001-3.000 MHz | Fundamental | 300 |
3.001-4.000 MHz | Fundamental | 150 |
4.001-6.000 MHz | Fundamental | 75 |
6.001-10.000 MHz | Fundamental | 60 |
10.001-30.000 MHz | Fundamental | 30 |
25.000-100.000 MHz | Third overtone | 50 |
60.000-150.000 MHz | Fifth overtone | 80 |
150.000-225.000 MHz | Seventh overtone | 120 |