Quartz Crystal Unit VT-120-F Features ・Compact 1.2Φ tubular package. ・Photolithograhic process ・Excellent low drive level characteristics. ・Complete Pb-free ・Complies with EU RoHS directive Applications Small/Thin Watches. Sub-clock function for a variety of Microcomputer etc. Standard Specifications Item Nominal Frequency Frequency Tolerance Turnover Temperature Parabolic Coefficient Load Capacitance Motional Resistance (ESR) Absolute Max. Drive Level Drive Level Shunt Capacitance Frequency Ageing Operating Temperature Storage Temperature Symbol f_nom f_tol Ti B CL R1 Dlmax. DL C0 f_age T_use T_stg Specifications 32.768kHz -6 (Temperature: 25±2℃, DL;0.1μW) ±20×10 +25±5℃ (-0.035±10%)×10-6/℃2 6pF 12.5pF 50kΩ max. 1.0μW max. 0.1μW typ. 0.8pF typ. ±3×10-6 -20 +60℃ -30 +70℃ Conditions Note Please specify +25±3℃, First Year Piece part basis Dimensions Unit : Seiko Instruments Inc. Quartz Crystal Sales Department 1-8, Nakase, Mihamaku, Chiba-shi, Chiba 261-8507, Japan Tel : +81-43-211-1207 Fax : +81-43-211-8030 http : //www.sii.co.jp/en/quartz/