ABRACON AB26T

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 SPECIFICAB38T
ATIONS
PARAMETERS
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)
32.768kHz
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
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.
Marking, see appendix G.
Recommended handling, see appendix F.
Application notes, see appendix A.
TYPICAL FREQUENCY
-VS-
TEMPERATURE CURVE
ORDERING OPTIONS
-10°
ABXXT - Frequency - CL - Temperature - Tolerance
Load cap. in pF
or
-S
for
Series
XX.XXXX kHz
38 or 26
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
-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
0°
25°
60°
TEMP
-1 for ± 10ppm*
-7 for ± 15ppm
* Please call for availability.
-50°
NOTE: Left blank if standard • All specifications and markings subject to change without notice
ABRACON
29 Journey • Aliso Viejo, CA 92656 • USA
(949) 448-7070 •
F AX : (949) 448-8484
E-MAIL: [email protected] abracon.com • INTERNET ADDRESS: www.abracon.com
C O R P O R AT I O N
®
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