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High Reliability Space Crystals

Rakon's high reliability crystal resonators are available over a wide temperature range and provide high stability in harsh mechanical environments. They are sealed under vacuum or neutral gas (nitrogen) using cold or resistance welding according to the particular application.  

Rakon’s space-qualified crystals are manufactured following the European Space Agency’s qualified PID (Process Identification Document). All specifications can be found on the ESCIES (European Space Components Information Exchange System).

Our space-grade crystal resonators are manufactured and tested following the guidelines of MIL-PRF-3098.

ESCC Qualified Manufacturer: Rakon France is an ESCC Qualified manufacturer. For more information, please view the ESCC Qualified Parts List.

Applications: used in Space XOs, VCXOs, TCXOs and OCXOs. Designed and manufactured to meet the most demanding requirements of navigation, observation, scientific mission satellites and interplanetary probe applications.

Country of origin: France


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Product Name Image Package (ØxH) Package Type Nominal Frequency (Fn) Temperature Range (°C) Long Term Stability Termination Contact Sales
RHX3500 Ø8.26 x 6.8 mm T807 14 to 140 MHz -55 to 125 °C ≤±0.5 ppm/20 years 3 Contact Rakon
RHX3700 Ø12.95 x 6.8 mm T1507 3 to 71 MHz -55 to 180 °C ≤±0.5 ppm/20 years 5 Contact Rakon
CFPX3750 Ø10.7 x 8.8 mm T807 14 to 140 MHz -55 to 180°C ≤±5 ppb/year 3 Contact Rakon
CFPX3758 Ø15.75 x 6.8 mm T1507 3 to 50 MHz -55 to 180°C ≤±5 ppb/year 5 Contact Rakon
CFPX3000 Ø22 x 11.8 mm T2111 2 to 50 MHz -55 to 180°C ≤±5 ppb/year 5 Contact Rakon


Selection Table: We are happy to provide a customised solution for your high reliability space crystal requirements. In order for us to meet your precise needs, simply download and fill in the selection table (PDF) with the parameters you require, include or attach any supporting information and email to

Need custom specifications, pricing, delivery information or samples?

Fill out this form and let us know your specifications and one of our sales engineers will get back to you as soon as possible.

Want to learn more about the various applications of these products?

Visit our technical documentation section for application notes, white papers, fact sheets and product briefs.