KDS DSO321SR 50M 3.3V有源晶振7FD05000A0N高精度石英振荡器 ¥2.60 无源贴片晶振KDS DSX321G 8PF SMD3225日本大真空1C224000CE0AA ¥0.50 KDS贴片晶振DSX321G 15PF SMD3225无源晶体1C228636BC0F ¥0.50 62.4M SMD3225贴片晶振KDS DSX321G 8PF原装品牌1C262400CC0AK ¥0.50 8WZ3200015 32.768K SMD2520 OSC原装TXC台晶有源晶振 ¥2.70 TXC有源晶振25MHZ OSC SMD3225石英振荡器7X25080001 ¥2.20