C26-LF Datasheet, PDF (1/1 Pages) Crystek Corporation – 32.768KHz Tuning Fork Crystal

C26-LF & C38-LF Model
32.768KHz Tuning Fork Crystal
Frequency:
32.768KHz
Calibration Tolerance: ±20ppm @ 25°C
Turnover Temperature: 25°C ±5°C
Frequency vs Temp.: -0.034 ±0.006ppm/°C²
(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-LF) 0.0030pF Typ.
(C38-LF) 0.0035pF Typ.
Shunt Capacitance:
(C26-LF) 1.35pF Typ.
(C38-LF) 1.60pF Typ.
Capacitance Ratio:
(C26-LF) 450 Typ.
(C38-LF) 460 Typ.
Drive Level:
1uW Max
Insulation Resistance: 500M ohm Min, DC100V±15V
Aging:
<3ppm 1st/yr Max 25°C ±3°
C26-LF
0.256 ±0.020
(6.50 ±0.50)
0.081 ±0.002
(2.06 ±0.05)
Tuning Fork Crystal
Miniature package provides
excellent shock resistance and
low power consumption. Offers
an excellent clock source for
communication and measuring
equipment.
Pb
RoHS
FCroeme _pliant
0.315 ±0.020
(8.00 ±0.50)
C38-LF
0.118 ±0.002
(3.00 ±0.05)
0.276
(7.01)
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
0.008 ±0.001
(0.20 ±0.03)
0.028 ±0.004
(0.70 ±0.10)
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
0.413
(10.49)
0.012 ±0.001
(0.30 ±0.03)
0.043 ±0.004
(1.09 ±0.10)
Chart 1
Typical Temperature Characteristic
0
-50
-10 0
25
60
Temperature °C
Specifications subject to change without notice. TD-060804 Rev. A