AB26T

www.DataSheet4U.com LOW FREQUENCY, 32.768kHz CYLINDRICAL TYPE TUNING FORK CRYSTALS AB38T and AB26T 8.3 x 03.2 mm or 6.2 x 02.1 mm FEATURES: Watch frequency. Frequency range from 30kHz to 200kHz. Excellent heat resistance. APPLICATIONS: Real time clock. Measuring instruments. Clock source for communication or A / V equipment. STANDARD SPECIFICATIONS STANDARD SPECIFIC ATIONS PARAMETERS AB38T Frequency Range Operating Temperature Storage Temperature Turnover Temperature Frequency Tolerance @ 25°C Frequency Stability over Temp Equivalent Series Resistance (ESR) Shunt Capacitance C0 Load Capacitance CL (See Note ) Motion Capacitance C1 Drive Level Quality Factor Q Capacitance Ratio C0 / C1 Insulation Resistance o Aging @ 25 C First year 32.768kHz AB26T 32.768kHz 30kHz to 200kHz -10°C to +60°C (See Options) -40°C to +85°C 25°C to ±5°C ±20ppm max. ±20ppm max.(32.768kHz) & ±30ppm max.(others) -0.034 ±0.006ppm / (25-T)2 ** 30kW max. 35kW max.(32.768kHz) 35kW ~ 50KW (others) 1.6pF typical 0.8 to 1.7pF typical 12.5pF typical (See Options) 0.0035pF typ. 0.001 ~ 0.004pF typ. 1µW max. 90,000 typical 70,000 typical 460 typical 425 - 800 typical 500 MW min. at 100 Vdc ±15 V ±3ppm max. ±3ppm (32.768kHz) ±5ppm (others) AB38T Dimensions: Inches (mm) AB26T Note : Custom CL upon request at 6 pF. Check with us for other CL value. ** Example: Stability at -20°C is: -0.035 x [25-(-20)] 2 = -71ppm. Environmental, and mechanical specifications, see appendix C. Group 3. Mark...