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:
鈥?Watch frequency.
鈥?Frequency range from 30kHz to 200kHz.
鈥?Excellent heat resistance.
APPLICATIONS:
鈥?Real time clock.
鈥?Measuring instruments.
鈥?Clock source for communication or A / V equipment.
STANDARD SPECIFICATIONS
STANDAR
PARAMETERS
D SPECIFICATIONS
AB38T
Frequency Range
Operating Temperature
Storage Temperature
Turnover Temperature
Frequency Tolerance @ 25擄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擄C to +60擄C
(See Options)
-40擄C to +85擄C
25擄C to 鹵5擄C
鹵20ppm max.
鹵20ppm max.(32.768kHz)
& 鹵30ppm max.(others)
-0.034 鹵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.
1碌W max.
90,000 typical
70,000 typical
460 typical
425 - 800 typical
500 MW min. at 100 Vdc 鹵15 V
鹵3ppm max.
鹵3ppm (32.768kHz)
鹵5ppm (others)
AB38T
Dimensions: Inches (mm)
AB26T
Note :
Custom C
L
upon request at 6 pF. Check with us for other C
L
value.
**
Example: Stability at -20擄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
TEMPERATURE CURVE
-10擄
0擄
25擄
60擄
TEMP
-
VS
-
ORDERING OPTIONS
ABXXT - Frequency - CL - Temperature - Tolerance
38 or 26
Load cap. in pF
or
-S for Series
XX.XXXX kHz
-E for 0擄C to + 70擄C
-B for -20擄C to + 70擄C
-C for -30擄C to + 70擄C
-N for -30擄C to + 85擄C
-D for -40擄C to + 85擄C
-1 for 鹵 10ppm
*
-7 for 鹵 15ppm
* Please call for availability.
-50擄
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard
鈥?/div>
All specifications and markings subject to change without notice
ABRACON
29 Journey 鈥?Aliso Viejo, CA 92656 鈥?USA
(949) 448-7070 鈥?/div>
F
AX
: (949) 448-8484
E-
MAIL
:
abinfo
@
abracon.com 鈥?/div>
I
NTERNET
A
DDRESS
:
www.abracon.com
廬
C O R P O R AT I O N
33
ABRACON
1
