CSX2 Datasheet, PDF (1/1 Pages) Crystek Corporation – Quartz Crystal 3.5X6 mm Low Profile SMD Crystal

CSX2 Model
3.5X6 mm Low Profile SMD Crystal
Frequency Range:
12MHz to 45MHz (fund)
Calibration Tolerance:
Frequency Stability:
Temperature Range:
Storage:
Shunt Capacitance:
Drive Level:
Aging:
ESR:
±10ppm to ±50ppm
±10ppm to ±100ppm
-20°C to 70°C
-40°C to 85°C
LeaCRdooFmHrpeSleiant
5.0pF Max
50uW Typical, 300uW Max
±3ppm Max 1st/yr
see table 1
Packaging:
1K Tape and Reel
** Custom Designs Available
Aging:
<3ppm 1st/yr Max
Quartz Crystal
Designed to meet the precision
and space requirements needed
for wireless applications.
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.
0.236±0.008
(6.0±0.20)
CRYSTEK
20M DC
0.137±0.008
(3.5±0.20)
Top View
4
3
1
2
0.039±0.008
(1.0±0.20)
0.100±0.005
(2.40±0.20)
Bottom
View
12
43
0.118±0.003
(3.0±0.10)
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
0.035
(0.9)
0.055
(1.4)
Build Your Own P/N
CSX2-XX-XX-Freq
Suggested Pad Layout
0.189
(4.8)
0.055
(1.4)
0.071
(1.8)
0.094
(2.40)
Frequency Tolerance
at 25°C
A ±10 ppm
B ±25 ppm
C ±50 ppm
Frequency Stability
over Temp Range
A ±10 ppm (-20 to 70°C)
B ±25 ppm (-20 to 70°C)
C ±50 ppm (-20 to 70°C)
D ±100 ppm (-20 to 70°C)
Example:
CSX2-AB-18-44.736 = ±10ppm at 25°C, ±25ppm -20 to 70°C, 18pF Load Cap, Fund, 44.736MHz
Load
Capacitance
S= Series
12= 12 pF
14= 14 pF
16= 16 pF
18= 18 pF
20= 20 pF
22= 22 pF
25= 25 pF
32= 32 pF
PIN
Signal
1
Crystal
2
GND
3
Crystal
4
GND
Resistance at series resonance
Freq. (MHz)
12.0 - 20.0 (F)
20.1 - 45.0 (F)
Max ESR
50
40
Table 1
Specifications subject to change without notice.
TD-021010 Rev.G