Up SEIKO EPSON CORPORATION Wh P MHz RANGE CRYSTAL UNIT 4 Product Number | FA-128 eNominal frequency range : 16 MHzto 54 MHz eExtemal dimensions : 20x1.6x05mm eOvertone order : Fundamental e - eApplications : Mobile phone, Bluetooth, W-LAN ISM band radio, Clock for MPU Specifications Item Symbol Conditions / Remarks For RF Reference | For Clock . Fundamental Nominal frequency range f_nom 16.000 MHz to 54.000 MHz Please contact us about available frequencies. Storage temperature range T_stg -40 C to +125 C Storage as single product. Operating temperature range| T_use -40 C to +85 C (+105 C) Please contact us about +85 C