型号 / 厂家，封装，批号，备注，订购

TDA7228 / .,DIP,03+,0754-4478210 订购 PDF文档

TDA7230 / ADI,,,全新原装，深圳/香港现货 订购 PDF文档

TDA7231 / ,,,原装现货 订购 PDF文档

TDA7231[A] / ,,,原装现货 订购 PDF文档

TDA7231A / ADI,,,全新原装，深圳/香港现货 订购 PDF文档

TDA7231A/ST / ,,,原装现货 订购 PDF文档

TDA7232 / ST,全新原装现货,05+, 订购 PDF文档

TDA7233 / IR,DIP8,,原装现货 订购 PDF文档

TDA7233D / ST MICROELECTRONICS SEMI,,,原装现货 订购 PDF文档

TDA7233D013 / ,,原包装,021-51875986 订购 PDF文档