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About product and suppliers:
        Alibaba.com offers 1,938 electron tube triode products. About 38% of these are oscillators, 25% are transistors, and 1% are electronics stocks. 

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

There are 1,864 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 212 with ISO9001, 109 with Other, and 26 with BSCI certification.