We partner with design engineers and premier IC designers at all stages of their projects from design conception to mass production. Since 1973 IQD Frequency Products has been prominent in the frequency control market and, from 2017, part of the Würth Elektronik eiSos group, one of the leading European suppliers of passive components. With active customers in over 80 countries, IQD offers one of the most comprehensive frequency product ranges available, from low cost, commercial grade quartz crystals, oscillators and high-performance oscillators, to parts used in high reliability industrial and extended temperature applications including:

- Quartz Crystals
- Clock Oscillators
- Crystals & Oscillators to AEC-Q200
- Fast Make Oscillators
- VCXOs
- TCXOs & VCTCXOs
- OCXOs & OCVCSOs
- GPS Disciplined OCXOs 
- Rubidium Oscillators and Atomic Clocks

Our quartz crystals, oscillators and frequency control products can be found in a wide variety of applications from the most basic domestic products found in consumers' homes to complex industrial, medical and networking applications including data centres and global satellite security systems.  

IQD has gained Gold Medal status in the 2025 EcoVadis assessment, placing us among the top 5% of companies worldwide.
Our full range of products is available direct from our own sales and distribution in the UK or via our extensive worldwide distribution network (see our website for more information).

IQD is a member of the White Rabbit Collaboration, an initiative launched by CERN, the European Laboratory for Particle Physics. The collaboration is a membership-based global community whose objective is to maintain a high-performance open-source technology that meets the needs of users, as well as provide dedicated support and training, facilitate R&D projects between entities with common interests and complementary expertise and establish a testing ecosystem fostering trust in products that incorporate the open-source technology.

IQD Frequency Products

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