IQD 是欧洲频率控制器件的领先制造商，总部位于克鲁肯(英国)，其业务遍布 80 多个国家或地区。

IQD 开发、制造和销售石英晶体、振荡器、VCXO、TCXO、OCXO、VCXO、TCXO、OCXO、GPS-同步 OCXO 和铷振荡器。此外，公司还可提供基于客户规格的产品解决方案。IQD 能为全球范围内的工业、通信、计算、消费、汽车、航空航天和医疗行业领先制造商提供量身打造的产品。

2017年12月，伍尔特电子集团完成收购 IQD Frequency Products Ltd.，此次收购扩展了伍尔特电子无源元件的现有选择，从而能够为客户提供品种齐全的石英晶体和振荡器产品。

Backed by 45 years’ experience in the manufacture of frequency products, IQD is a recognised market leader in the frequency control market and part of the Würth Elektronik eiSos group, one of the leading European manufacturers 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 product to that used in high reliability industrial and automotive applications including:

- Quartz Crystals
- Clock Oscillators
- Automotive Crystals & Oscillators to AEC-Q200
- Fast Make Oscillators
- VCXOs
- TCXOs & VCTCXOs
- OCXOs
- GPS Disciplined OCXOs
- Rubidium Oscillators

Customer Partnerships
We take a partnership approach to working with our customers. Our experienced multilingual Sales, Application Support and Engineering teams guide customers from design stage through to full production. IQD’s products are specified by leading manufacturers in the aerospace, automotive, communications, computing, consumer, industrial and medical industries throughout the world. We work with several premier IC designers and are approved on a variety of reference designs.