tantalum bars and rods

1.Introduction:

Tantalum is dark, dense, ductile, very hard, easily fabricated, and highly conductive of heat and electricity. The

metal is renowned for its resistance ,as the metal powder, is in the production of electronic components, mainly

capacitors and some high-power resistors. Tantalum electrolytic capacitors exploit the tendency of tantalum to form

a protective oxide surface layer, using tantalum powder, pressed into a pellet shape, as one "plate" of the capacitor,

the oxide as the dielectric, and an electrolytic solution or conductive solid as the other "plate". Because the dielectric

layer can be very thin (thinner than the similar layer in, for instance, an aluminium electrolytic capacitor), a high

capacitance can be achieved in a small volume. Because of the size and weight advantages, tantalum capacitors

are attractive for portable telephones, personal computers, and automotive electronics.

2.GB 14841 as follows:

3.Tolerance

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