Crystek CSX2-AC-16-44.736 Quartz crystal 3.5x6 mm low profile smd crystal Datasheet

Quartz Crystal
CSX2 Model
3.5X6 mm Low Profile SMD Crystal
12MHz to 45MHz (fund)
Calibration Tolerance:
Frequency Stability:
Temperature Range:
Storage:
Shunt Capacitance:
Drive Level:
Aging:
ESR:
±10ppm to ±50ppm
±10ppm to ±100ppm
ree
dF S
a
Le oH ant
-20°C to 70°C
R pli
m
-40°C to 85°C
Co
5.0pF Max
50uW Typical, 300uW Max
±3ppm Max 1st/yr
see table 1
Packaging:
Designed to meet the precision
and space requirements needed
for wireless applications.
RECOMMENDED REFLOW SOLDERING PROFILE
TEMPERATURE
Frequency Range:
1K Tape and Reel
** Custom Designs Available
Ramp-Up
3°C/Sec Max.
260°C
Critical Temperature
Zone
Ramp-Down
6°C/Sec.
217°C
200°C
150°C
Preheat
180 Secs. Max.
8 Minutes Max.
Aging:
260°C for
10 Secs. Max.
<3ppm 1st/yr Max
NOTE: Reflow Profile with 240°C peak also acceptable.
0.236±0.008
(6.0±0.20)
CRYSTEK
20M DC
Bottom
View
0.137±0.008
(3.5±0.20)
4
1
0.100±0.005
(2.40±0.20)
0.039±0.008
(1.0±0.20)
Top View
90 Secs. Max.
1
2
4
3
3
0.118±0.003
(3.0±0.10)
2
Suggested Pad Layout
0.189
(4.8)
0.035
(0.9)
0.055
(1.4)
0.094
(2.40)
0.055
(1.4)
0.071
(1.8)
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
Build Your Own P/N
CSX2-XX-XX-Freq
Frequency Tolerance
at 25°C
A ±10 ppm
B ±25 ppm
C ±50 ppm
Frequency Stability
over Temp Range
A
B
C
D
±10 ppm
±25 ppm
±50 ppm
±100 ppm
Load
Capacitance
(-20 to 70°C)
(-20 to 70°C)
(-20 to 70°C)
(-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
PIN
1
2
3
4
Signal
Crystal
GND
Crystal
GND
S=
12=
14=
16=
18=
20=
22=
25=
32=
Series
12 pF
14 pF
16 pF
18 pF
20 pF
22 pF
25 pF
32 pF
Resistance at series resonance
Freq. (MHz)
Max ESR
12.0 - 20.0 (F)
20.1 - 45.0 (F)
50
40
Table 1
Specifications subject to change without notice.
TD-021010 Rev.G
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