扎染靛蓝日本染料纹理蓝色水彩扎染印染蜡染纹理图案AI矢量背景c2

27C256B-12F1 27C256PC-12 27C256QC-12 27C2AI原

振荡器 SiT3808AI-C2-33E-27.000000D SMD5032-6P 27MHz ±25ppm

SiT3808AI-C2-33E-27.000000D 预编程振荡器 27MHz 3.3V ±25ppm