The Ecliptek E1UAA20-18.000M TR is a 2-pin through-hole crystal resonator with a fundamental mode of oscillation. It operates within a temperature range of 0°C to 70°C and features a frequency tolerance of ±50 ppm. The device has a load capacitance of 20 pF and a series resistance of 50 ohms. It is packaged in a metal can with a pin pitch of 4.88 mm and a seated plane height of 2.5 mm.
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| Basic Package Type | Through Hole |
| Package Family Name | HC-49 |
| Package/Case | HC-49/US |
| Package Description | Metal Can Package |
| Lead Shape | Through Hole |
| Pin Count | 2 |
| PCB | 2 |
| Package Length (mm) | 11.18(Max) |
| Package Width (mm) | 4.7(Max) |
| Package Height (mm) | 2.5(Max) |
| Seated Plane Height (mm) | 2.5(Max) |
| Pin Pitch (mm) | 4.88 |
| Package Material | Metal |
| Mounting | Through Hole |
| Type | Crystal Resonator |
| Standard Frequency | 18MHz |
| Frequency Tolerance | ±50ppm |
| Frequency Stability | ±100ppm |
| Load Capacitance | 20pF |
| Mode of Oscillation | Fundamental |
| Series Resistance | 50Ohm |
| Min Operating Temperature | 0°C |
| Max Operating Temperature | 70°C |
| Cage Code | 0GUG6 |
| EU RoHS | Yes |
| HTS Code | 8541600050 |
| Schedule B | 8541600025 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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