KHz Dip Crystal
(AT-38,AT-26,AT-14)

Features  
Excellent aging characteristics.
RoHS compliant and lead free.
Type
AT38
AT26
AT14
Freq. range
30 ~ 200KHz
30 ~ 200KHz
32.768KHz
Frequency tolerance (at 25°C)
-/+20ppm
Operating temperature 
-20 ~ +85°C
Equivalent series resistance
See table No.1
Temperature characteristics
-Turnover temperature
-Parabolic curvature constant

25°C-+5°C
-0.045x10 -6 /°C 2 Max.
Drive level
1.0uW Max.
Shunt capacitance
5.0pF Max.
2.0pF Max.
2.0pF Max.
Load capacitance
12.5pF (standard)
Aging
-/+5ppm/year

Equivalent series resistance(ESR) Table No.1
Type Frequency ESR
AT-38 32.768KHz 35K ohms Max.
AT-26 32.768KHz 50K ohms Max.
AT-14 32.768KHz 60K ohms Max.
Dimensions