KX: K-KOAN, X-谐振器(xtal)

KX49U: 直插 HC-49U

KX49S: 直插 HC-49S

KX49M: 改型 49S SMD

KX38: 高频圆柱 3.0*8.0

KX26: 高频圆柱 2.0*6.0

KX70: SMD7.0*5.0

KX50: SMD5.0*3.2(4p)

KX502: SMD7.0*5.0(2p)

KX32: SMD3.2*2.5

KX25: SMD2.5*2.0

KX20: SMD2.0*1.6

KX16: SMD1.6*1.0