C38-LF CRYSTEKCRYSTAL [Crystek Corporation], C38-LF Datasheet
C38-LF
Manufacturer Part Number
C38-LF
Description
32.768KHz Tuning Fork Crystal
Manufacturer
CRYSTEKCRYSTAL [Crystek Corporation]
Datasheet
1.C38-LF.pdf
(1 pages)
Frequency:
Calibration Tolerance:
Turnover Temperature:
Frequency vs Temp.:
Operating Temp. Range:
Storage:
ESR:
Load Capacitance:
Motional Capacitance:
Shunt Capacitance:
Capacitance Ratio:
Drive Level:
Insulation Resistance:
Aging:
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
Processing notes:
Hand soldering: Lead wire temperature not to
exceed 270°C, 10 sec Max.
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
32.768KHz Tuning Fork Crystal
C26-LF & C38-LF Model
C26-LF
32.768KHz
±20ppm @ 25°C
25°C ±5°C
-0.034 ±0.006ppm/°C
(See Chart 1)
-10°C to 60°C
-40°C to 85°C
35K ohm Max
12.5pF Std.
(C26-LF) 0.0030pF Typ.
(C38-LF) 0.0035pF Typ.
(C26-LF) 1.35pF Typ.
(C38-LF) 1.60pF Typ.
(C26-LF) 450 Typ.
(C38-LF) 460 Typ.
1uW Max
500M ohm Min, DC100V±15V
<3ppm 1st/yr Max 25°C ±3°
0.256 ±0.020
(6.50 ±0.50)
(7.01)
0.276
0.008 ±0.001
0.028 ±0.004
(0.20 ±0.03)
(0.70 ±0.10)
0.081 ±0.002
(2.06 ±0.05)
2
Specifications subject to change without notice.
Tuning Fork Crystal
0.315 ±0.020
(8.00 ±0.50)
(10.49)
0.413
-50
0
Miniature package provides
excellent shock resistance and
low power consumption. Offers
an excellent clock source for
communication and measuring
equipment.
Typical Temperature Characteristic
-10
0.012 ±0.001
(0.30 ±0.03)
0.043 ±0.004
(1.09 ±0.10)
0
Temperature °C
0.118 ±0.002
(3.00 ±0.05)
Chart 1
25
C38-LF
60
TD-060804 Rev. A
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