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  • Informations d'exposition
    1. Electronica Munich 2014
      Date: 11.11-11.14.2014
      Venue: Messe Munich
      Booth No.: B6.556/1

Add.: Room 1805, East Wing, Phase II of Hi-Tech Plaza, Tian’an Cyber Park, Futian District, Shenzhen City, Guangdong Province, China
Tel.: +86-755-88352809
Fax: +86-755-88353718
Email: sjk@q-crystal.com

Quartz Crystals Specialists

SJK, founded in 1989, is a major quartz crystal and crystal oscillator manufacturer in China, and we offer a wide range of trustworthy electronic components including quartz crystal, crystal oscillator, crystal filter, TCXO, VCXO, OCXO, ceramic resonator, ceramic filter and SAW device. These products are of reliable quality, and have been extensively utilized in computers, computer peripherals, digital TVs, cell phones, GPS systems, gaming consoles, IT accessories, home theatre systems, wireless transmission devices, mobile communication devices and other electronic products.

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    1. 2016 SMD Crystal

      Our surface mount crystal has a frequency range of 20MHz~54MHz, and it possesses good environmental characteristics, such as heat resistance. Aside from these properties, this MHz quartz crystal also exhibits excellent technical performance in the aspects of precision, reliability, aging rate, frequency stability and so on.

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    1. 3225 SMD Seam Sealing Crystal

      This seam sealed quartz crystal is favored by worldwide customers due to its splendid technical performance, including high precision, excellent reliability, low aging rate, tight frequency stability and good heat resistance. Furthermore, our product fits for automatic mounting and reflow soldering.

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    1. 7L 3215 SMD Watch Crystal

      Our product is a miniature crystal with the size of 3.2×1.5mm, and it fits for automatic assembly as well as reflow soldering.
      On the other hand, this surface mount crystal is an eco-friendly device as there is no Pb in it, perfectly meeting the requirements of RoHS.

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    1. 32.768KHz Crystal Oscillator

      Energy-saving and environment friendly, the CMOS crystal oscillator consumes less energy. It only takes about 2ms for quick start. Apart from CMOS output, the quartz crystal oscillator supports tri-state function and is characterized by low phase noise. Containing little lead, the 32.768KHz crystal oscillator is RoHS and Pb-Free compliant.

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    1. OCXO

      In particular, this frequency control device achieves the highest frequency stability possible with a crystal, making it suitable for satellite, electronic instrument, test equipment, mobile communication, broadcasting station, aerospace industry and other fields.

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  • Solutions
    • Industrial Electronic ComponentsCurrently, a motion control system combines leading-edge technologies of various fields together, and a frequency converter, which is utilized as a power...
    • Communication Electronic ComponentsThe base station solution is applied for wireless communication, and it is intended to exchange information between mobile communication...
    • Automotive Electronic ComponentsThe vehicle navigation system works by combining GPS and electronic map together, and it accurately tells the driver how to get his destination in the ...
    • Consumer Electronic ComponentsA portable video camera has a HD imaging sensor which supports optical zoom, and microdrive and high-speed SD card are both accepted for data storage...