型号 7M-12.000MEEC-T 制造商 TXC 分类 Crystals RoHS 数据表 7M-12.000MEEC-T 描述 Crystals 3.2x2.5 Seam Seal MHz Quartz Xtal -4pad / Ceramic, +/-10ppm @25C, +/-10ppm (-20 to 70C), 9pF