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C26-SMD Datasheet, PDF (1/1 Pages) Crystek Corporation – 32.768KHz Molded SMD
C26-SMD Model
32.768KHz Molded SMD Package
Frequency:
32.768KHz
Calibration Tolerance: ±20ppm
Turnover Temperature: 25°C ±5°C
Frequency vs Temp.: -0.034 ±0.006ppm/°C2
(See Chart 1)
Operating Temp. Range: -40°C to 85°C
Storage:
-55°C to 125°C
ESR:
50K ohm Max
Load Capacitance:
12.5pF Typ.
Motional Capacitance: 0.003pF Typ.
Shunt Capacitance:
1.35pF Typ.
Capacitance Ratio:
450 Typ.
Drive Level:
1uW Max
Insulation Resistance: 500M ohm Min, DC100V±15V
Molded Crystal package to
meet today's demand for
pick and place processing.
Available on tape and reel
in quantities of 3K for SMT
placement.
Aging:
<3ppm 1st/yr Max
C26-SMD
0.051
(1.30)
0.075
(1.90)
0.075
(1.90)
0.051
(1.30)
0.165
(4.20)
0.051
(1.30)
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
0.216
4
(5.50)
3
0.150
(3.80)
1
2
0.315
(8.00)
4
3
1
2
0.019
(0.50)
0.098
(2.50)
RECOMMENDED REFLOW SOLDERING PROFILE
260°C
217°C
Ramp-Up
3°C/Sec Max.
Critical Temperature
Zone
Ramp-Down
6°C/Sec.
200°C
150°C
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
Chart 1
Typical Temperature Characteristic
0
-50
-10 0
25
60
Temperature °C
Specifications subject to change without notice. TD-020902 Rev. C
37