Crystal Resonator Code Guide
Example: HC49U-20-C-5-5-F-4.00MHz
|
Code |
- |
CL |
- |
Operating Temp. |
- |
Tolerance |
- |
Stability |
- |
Other Specs |
- |
Frequemcy |
|
|
Code: HC49U, HC49S, UM1, UM5, WX, CX, HC49SD, SM5, SM6.
CL: Circuit condition, load capacitance in pF or series resonance.
Operating Temp.: Operating temperature range:
- A: 0°C ~ +50°C
- B: -10°C ~ +60°C
- C: -20°C ~ +70°C
- L: -40°C ~ +85°C
Tolerance: Frequency tolerance at 25°C:
- 0: ±100 ppm
- 5: ±50 ppm
- 3: ±30 ppm
- 2: ±20 ppm
- 1: ±10 ppm
Stability: Frequency stability over operating temperature range:
- 0: ±100 ppm
- 5: ±50 ppm
- 3: ±30 ppm
- 2: ±20 ppm
- 1: ±10 ppm
Other Specs: Other specs available upon request:
- F: Fundamental
- 3T: 3rd overtone
- 5T: 5th overtone
- 7T: 7th overtone
- 3P: Third lead
- TR: Tape and reel
Frequency: Nominal frequency in MHz.
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