描述:Quartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 14.7456MHz ±50ppm/100ppm over -20°C to +70°C Brand Name:Ecliptek 是否无铅:不含铅 是否Rohs认证:符合
Class Document Source Message Time Date No.[Error] haihua.SchLib Compiler RS422_PAD5_1: Could not find port '5' on model '五芯焊盘RS422' for pin '5' 15:07:07 2009-7-20 1我在原理图库里以画好元器件,在PCB库也画好封装,再升成集成库时老显示
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