Suntsu Frequency Control, Inc. is an ISO 9001:2000 certified distributor of quartz crystals, crystal oscillators, oven controlled crystal oscillators (OCXO's), temperature compensated crystal oscillators (TCXO's), and voltage controlled crystal oscillators (VCXO's). All of our lines are available in surface-mount and through-hole packaging.
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Suntsu has manufacturing joint venture partners in Taiwan, Korea, and China. We have fully integrated manufacturing capabilities from processing quartz block to final test.

Our monthly capacity has grown tremendously in the last few years and as of 2010 we can support 46+ million components per month.