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About product and suppliers:
        Alibaba.com offers 1,912 electron tube triode products. About 43% of these are oscillators, 21% are transistors, and 1% are electronic products machinery. 

A wide variety of electron tube triode options are available to you, such as surface mount, throught hole. You can also choose from paid samples, free samples. 

There are 1,906 electron tube triode suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Vietnam, which supply 99%, 1%, and 1% of electron tube triode respectively. 

Electron tube triode products are most popular in Southeast Asia, North America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 179 with ISO9001, 109 with Other, and 26 with BSCI certification.