QC3 Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – 2.5x3.2 4-Pad SMD All Ceramic Crystal Unit

QC3CA Series
2.5x3.2 4-Pad SMD All Ceramic Crystal Unit
Features
• All ceramic epoxy sealed SMD package
• Low in height, suitable for thin equipment
• Tight tolerance and stability available
Applications
• High density applications
• Modem, communication and test equipment
General Specifications
Frequency Range
Frenquency Tolerance at 25°C
Frequency Stability over Temperature Range
Storage Temperature
Aging per Year
Load Capacitance CL
Shunt Capacitance C0
Equivalent Series Resistance (ESR)
Drive Level
Insulation Resistance (M)
12.000 to 48.000MHz (Fundamental)
±20 to ±50ppm (±30ppm standard)
See Stability vs. Temperature Table
-55 to +125°C
±5ppm max.
10 to 32pF and Series Resonance
7.0pF max.
See ESR Table
100µW typ. (500µW max)
500 at 100Vdc ±15Vdc
Frequency Stability vs. Temperature
Operating Temperature
-20 to +70°C
-40 to +85°C
±20ppm


Mechanical Dimensions
Equivalent Series Resistance (ESR)
Frequency Range - MHz  max. Mode of Operation
12.000 to 16.000
120 Fundamental
16.000 to 25.000
60
Fundamental
25.000 to 30.000
50
Fundamental
30.000 to 48.000
35
Fundamental
±30ppm


±50ppm


 standard
 available
Part Numbering Guide
Qantek
Code
Package
Nominal Frequency
(in MHz)
Q = Qantek
C3CA = 2.5x3.2
= 4-Pad SMD
7 digits including the
decimal point
(f.ie. 12.0000)
Example: QC3CA12.0000F12B33R
Vibration
Mode
F = AT-Fund
Load Capacitance
S = Series
12 = 12pF
18 = 18pF
20 = 20pF etc.
Operating Temperature
Range
A = -20 to +70°C
B = -40 to +85°C
Frequency
Tolerance
2 = ±20ppm
3 = ±30ppm
5 = ±50ppm
Frequency
Stability
2 = ±20ppm
3 = ±30ppm
5 = ±50ppm
Packaging
M = 250pcs Tape&Reel
R = 1000pcs Tape&Reel
bold letters = recommended standard specification
QANTEK Technology Corporation
Phone: [phone] (tollfree)
Fax: [phone] (tollfree)
www.qantek.com
[e-mail]