This part is a kind of semiconductor called 6TPB470M.

Function of this product has (TPB Series) Standard Products.

Manufacturers : Sanyo Electronic

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Some of the text within the PDF file :

TPB Series w w a D . Specifications w Items Capacitance tolerance Rated voltage TPB series are the standard products corresponding to the diversification of the needs. *The D3 size products of TPB series are to be discontinued manufacturing. Please use the D3L size of TPB series when you design new products. S a t e e h U 4 t m o .c Standard Products Condition Characteristics 55 to 105 F Operating Temperature range Rated capacitance range 120Hz/20 120Hz/20 68 to 1000 M: 20 2.5 to 10.0 V.DC 120Hz/20 Rated voltage applied, after 5 minutes 100kHz/20 100kHz/ 20 55 +105 105 ,2000h, rated voltage applied 8.0 or 10.0 or 15.0 Dissipation Factor D.F. Leakage current Equivalent series resistance E.S.R m max. Temperature characteristics of Impedance ratio Please see the attached chara [ ... ]

6TPB470M PDF Datasheet Download