... pads ( 8*4.5mm, 7*5mm, 6*3.5mm, 5*3.2mm,3.2*2.5mm) -Watch crystal / cylinder crystal/ ... 5*2.0mm)-TCXO,VCXO (7*5mm,5*3.2mm,3.2*2.5mm)-Ceramic resonator & filter(ZTT,ZTA ... ,CRB)-SAW DEVICE(TO39,F11,QCC8C,SM2,5*3.5mm3.8*3.8mm,3*3mm) Represents below brandEPSON, CITIZEN, SII ( ... SEIKO), TXCPopular types: EPSON: MC146, FC-135CITIZEN:CM 315, CM200SSII: ...