32.768KHz Tuning Fork Crystal
Frequency:
Calibration Tolerance:
Turnover Temperature:
Frequency vs Temp.:
32.768KHz
±20ppm @ 25°C
25°C ±5°C
-0.034 ±0.006ppm/°C
2
(See Chart 1)
Operating Temp. Range:
-10°C to 60°C
Storage:
-40°C to 85°C
ESR:
35K ohm Max
Load Capacitance:
12.5pF Std.
Motional Capacitance:
(C26) 0.0030pF Typ.
(C38) 0.0035pF Typ.
Shunt Capacitance:
(C26) 1.35pF Typ.
(C38) 1.60pF Typ.
Capacitance Ratio:
(C26) 450 Typ.
(C38) 460 Typ.
Drive Level:
1uW Max
Insulation Resistance:
500M ohm Min, DC100V±15V
Aging:
<3ppm 1st/yr Max 25°C ±3°
C26
0.081 ±0.002
(2.06 ±0.05)
0.256 ±0.020
(6.50 ±0.50)
C26 & C38 Model
Tuning Fork Crystal
Miniature package provides
excellent shock resistance and
low power consumption. Offers
an excellent clock source for
communication and measuring
equipment.
C38
0.118 ±0.002
(3.00 ±0.05)
0.315 ±0.020
(8.00 ±0.50)
0.276
(7.01)
0.008 ±0.001
(0.20 ±0.03)
0.413
(10.49)
0.012 ±0.001
(0.30 ±0.03)
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
0.028 ±0.004
(0.70 ±0.10)
0.043 ±0.004
(1.09 ±0.10)
Processing notes:
Hand soldering:
Lead wire temperature not to
exceed 270°C, 10 sec Max.
Chart 1
Solder-dip:
Crystal package is recommended to
be mounted in the up-right position. If mounted
sideways caution must be taken to insure that
heat is not transmitted over crystal package.
Reflow Oven:
Not recommended.
Cleaning:
Washable
Typical Temperature Characteristic
0
PPM
-50
-10 0
25
Temperature °C
60
Specifications subject to change without notice.
TD-020818 Rev. B
34
CRYSTEKCRYSTAL [ Crystek Corporation ]
