KHz Dip Crystal
(AT-38,AT-26,AT-14)
Features
¡E ¡E Excellent aging characteristics.
RoHS compliant and lead free
 
Type
AT38
AT26
AT14
Frequency 
30 ~ 200KHz
30 ~ 200KHz
32.768KHz
Frequency tolerance (at 25 ¢XC)
-/+20 ppm
Operating temperature 
-40~85¢XC
Equivalent series resistance
See table No.1
Temperature characteristics
-Turnover temperature
-Parabolic curvature constant

25¢XC-+5¢XC
-0.045x10 -6 /¢XC 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 40K ohms max.
AT-14 32.768KHz 60K ohms max.
Dimensions
¡@
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