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About product and suppliers:
        Alibaba.com offers 918 triode power electron tube products. About 59% of these are oscillators, 8% are other active components, and 1% are amplifier. 

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

There are 916 triode power electron tube suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Vietnam, which supply 99%, 1%, and 1% of triode power electron tube respectively. 

Triode power electron tube products are most popular in Southeast Asia, Eastern Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 123 with ISO9001, 60 with Other, and 22 with BSCI certification.