AB38T ABRACON

Document overview

  • Manufacturer or author: Provided By digicamel.com
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Technical content

LOW FREQUENCY, 32.768kHz CYLINDRICAL TYPE TUNING FORK CRYSTALS AB38T and AB26T FEATURES:

  • Watch frequency. • Frequency range from 30kHz to 200kHz. • Excellent heat resistance. ABXXT - Frequency - CL - Temperature - Tolerance 38 or 26 XX.XXXX kHz Load cap. in pF or -S for Series -E for 0°C to + 70°C -B for -20°C to + 70°C -C for -30°C to + 70°C -N for -30°C to + 85°C -D for -40°C to + 85°C Environmental, and mechanical specifications, see appendix C. Group 3. Marking, see appendix G. Recommended handling, see appendix F. Application notes, see appendix A. Dimensions: Inches (mm) TYPICAL FREQUENCY -V S - TEMPERATURE CURVE AB38T AB26T PARAMETERS AB38T 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. APPLICATIONS:
  • Real time clock. • Measuring instruments.
  • Clock source for communication or A/ V equipment. -10° 25° 60° -50° TEMP * Please call for availability. S S T T A A N N D D A A R R D D S S P P E E C C I I F F I I C C A A T T I I O O N N S S -1 for ± 10ppm*-7 for ± 15ppm 32.768kHzFrequency Range 32.768kHz 30kHz to 200kHz Operating Temperature -10°C to +60°C (See Options) Storage Temperature -40°C to +85°C Turnover Temperature 25°C to ±5°C Frequency Tolerance @ 25°C ±20ppm max. ±20ppm max.(32.768kHz) & ±30ppm max.(others) Frequency Stability over Temp -0.034 ±0.006ppm / (25-T)2 ** Equivalent Series Resistance (ESR) 30kW max. 35kW max.(32.768kHz) 35kW ~ 50KW (others) Shunt Capacitance C0 1.6pF typical 0.8 to 1.7pF typical Load Capacitance CL (See Note ) 12.5pF typical (See Options) Drive Level 1µW max. Quality Factor Q 90,000 typical 70,000 typical Capacitance Ratio C0 / C1 460 typical 425 - 800 typical Insulation Resistance 500 MW min. at 100 Vdc ±15 V Aging @ 25 o C First year ±3ppm max. ±3ppm (32.768kHz) ±5ppm (others) ORDERING OPTIONS 8.3 x 03.2 mm or 6.2 x 02.1 mm

29 Journey • Aliso Viejo, CA 92656 • USA

(949) 448-7070 • FAX: (949) 448-8484 E-MAIL: abinfo@ abracon.com • INTERNET ADDRESS: www.abracon.com ABRACON IS ISO 9001 / QS 9000 CERTIFIED NOTE: Left blank if standard • All specifications and markings subject to change without notice ABRACON C O R P O R A T I O N 33