NZ2520SB-15.200000M-NSA3415E有源贴片晶振 ¥2.45 NDK晶振NZ2520SD-16.000000M-NSA3449B有源晶振 ¥2.55 有源贴片晶振NZ2520SD-26.600000M-NSA3449B ¥2.00 NDK晶振NZ2520SD-12.000000M-NSA3449A贴片晶振 ¥2.00 NDK有源晶振NZ2520SD-18.432000M-NSA3449B ¥2.25 贴片晶振NZ2520SB-18.432000M-NSA3415B石英振荡器 ¥2.45