QC7A Series
5x7 4-Pad SMD Quartz Crystal Unit
Features
Applications
• Low in height, suitable for thin equipment
• Ceramic package and metal lid assures high
reliability
• High density applications
• Modem, communication and test equipment
• PMCIA, wireless applications
• Automotive applications
• Tight tolerance and stability available
General Specifications
Equivalent Series Resistance (ESR)
Frequency Range
6.000 to 150.000MHz
6.000 to 48.000MHz
Third Overtone 40.000 to 150.000MHz
Frequency Range - MHz
6.000 to 10.000
10.100 to 12.000
12.100 to 20.000
20.100 to 48.000
40.000 to 150.000
max.
110
60
Mode of Operation
Fundamental
Mode of Oscillation
Fundamental
45
Frenquency Tolerance at 25°C
10 to 30ppm ( 30ppm standard)
See Stability vs. Temperature Table
-55 to +125°C
30
Frequency Stability over Temperature Range
Storage Temperature
60
Third Overtone
Aging per Year
3ppm max.
Load Capacitance CL
10 to 32pF and Series Resonance
7.0pF max.
Shunt Capacitance C0
Equivalent Series Resistance (ESR)
Drive Level
See ESR Table
100µW typ.
Insulation Resistance (M)
500 at 100Vdc 15Vdc
Frequency Stability vs. Temperature
Operating Temperature
-20 to +70°C
10ppm
20ppm
30ppm
50ppm
100ppm
**
-
-
-
-
-40 to +85°C
-40 to +105°C
-40 to +125°C
-
-
-
*Operating Temperature -30 to +85°C
standard
available
Mechanical Dimensions
Part Numbering Guide
Nominal
Operating
Temperature
Range
Qantek
Code
Vibration
Mode
Load
Capacitance
Frequency
Tolerance
Frequency
Stability
Automotive
Indicator
Package
Frequency
(in MHz)
Packaging
Q = Qantek C7A = 5x7 4-Pad SMD
7 digits including
the decimal point
(f.ie. 12.0000)
F = AT-Fund
S = Series
08 = 8pF
12 = 12pF
18 = 18pF
A = -20 to +70°C
B = -40 to +85°C
C = -40 to +105°C
D = -40 to +125°C
1 = 10ppm
2 = 20ppm
3 = 30ppꢀ
5 = 50ppm
0 = 100ppm
1 = 10ppm
2 = 20ppm
3 = 30ppꢀ
5 = 50ppm
0 = 100ppm
A = AEC-Q200
M = 250pcs Tape&Reel
R = 1000pcs Tape&Reel
20 = 20pF etc.
Example: QC7A12.0000F12B33R
bold letters = recommended standard specification
QANTEK Technology Corporation
Phone: +1 877-227-0440 (tollfree)
www.qantek.com
info@qantek.com
Fax:
+1 877-227-0440 (tollfree)