C26-SMD Model
32.768KHz Molded SMD Package
Frequency:
Calibration Tolerance:
Turnover Temperature:
Frequency vs Temp.:
32.768KHz
±20ppm
25°C ±5°C
-0.034 ±0.006ppm/°C
2
(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
0.075
(1.90)
0.051
(1.30)
0.075
(1.90)
0.165
(4.20)
0.051
(1.30)
0.051
(1.30)
4
0.216
(5.50)
3
1
0.150
(3.80)
0.098
(2.50)
0.019
(0.50)
2
4
3
1
0.315
(8.00)
2
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
RECOMMENDED REFLOW SOLDERING PROFILE
Ramp-Up
3°C/Sec Max.
TEMPERATURE
260°C
217°C
200°C
150°C
Critical Temperature
Zone
Ramp-Down
6°C/Sec.
Chart 1
Typical Temperature Characteristic
0
PPM
-50
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
-10 0
25
Temperature °C
60
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
Specifications subject to change without notice.
TD-020902 Rev. C
37
CRYSTEKCRYSTAL [ Crystek Corporation ]
