NSA3415E石英振荡器NX2520SB 27M有源晶振日本NDK原装 ¥2.70 14.7456M有源晶振NZ2520SB NDK石英振荡器RNA3043A ¥2.70 NDK 48M有源晶振NT2016SB-END4330B石英振荡器TCXO ¥2.70 125M有源晶振NZ2520SB-125MHZ-RNA3035C原装NDK ¥2.70 22.5792M有源晶振NZ2520SB NDK 2.5*2.0mm封装 ¥2.70 小尺寸有源晶振NT1612AB日本NDK晶振50MHZ ¥2.70