VT Series(VT-150-F/VT-200-F) Quartz Crystal Units for Watches FEATURES • Compact tubular package. • Photolithographic process. • Excellent shock resistance and environmental characteristics. • RoHS compliant (complete Pb-free). APPLICATIONS • Real Time Clocks, Timers, Pagers, Cameras, RemoteControllers, Portable Applications STANDARD SPECIFICATIONS Item Conditions without notice (Temperature: +25± 2°C, DL: 0.1µW) Symbol Conditions / Notes Specifications Nominal Frequency f_nom 32.768kHz Frequency Tolerance f_tol (±5 x 10-6), ±10 x 10-6, ±20 x 10-6 Turnover Temperature Ti +25±5°C Parabolic Coefficient B (-3.5±0.8) x 10-8/°C2 CL 4.5 to12.5pF R1 typ./max. 30kΩ / 50kΩ Load Capacitance Motional Resistance (ESR) Absolute Maximum Drive Level DLmax 1µW DL 0.1µW Shunt Capacitance C0 0.9pF typ. Frequency Ageing f_age ±5 x 10-6 Operating Temperature T_use -10°C to +60°C Storage Temperature T_stg -30°C to +70°C Level of Drive +25±3°C, First Year Store a pcs. part DIMENSIONS +0.10 5.0 min. 5.0 min. φ 2.0max. (φ 0.22) 6.0 -0.15 (0.45) φ 1.5max. 5.0 max. VT-200-F (φ 0.26) (0.65) VT-150-F UNIT: mm UNIT: mm 11