Data Sheet

QANTEK Technology Corporation
Phone: [phone] (tollfree) www.qantek.com
Fax: [phone] (tollfree) [e-mail]
QC20 Series
1.6x2.0 4-Pad SMD Quartz Crystal Unit
Features
• 1.6 x 2.0 x 0.5mm ultra miniature package
• Seam sealed ceramic package with metal lid
assures high precision and reliability
Mechanical Dimensions
Applications
• High density applications
• Modem, communication and test equipment
• PMCIA, wireless applications
• Automotive applications
General Specifications
Frequency Range
20.000 to 52.000MHz (Fundamental)
Frenquency Tolerance at 25°C
±10 to ±30ppm (±30ppm standard)
Frequency Stability over Temperature Range
See Stability vs. Temperature Table
Storage Temperature
-40 to +85°C
Aging per Year
±3ppm max.
Load Capacticance C
L
7 to 32pF and Series Resonance
Shunt Capacticance C
0
7.0pF
Equivalent Series Resistance (ESR) See ESR Table
Drive Level
50μW max.
Insulation Resistance (MΩ)
500 at 100Vdc ±15Vdc
Equivalent Series Resistance (ESR)
Frequency Range - MHz
Ω max.
Mode of Operation
20.000 to 40.000 100
Fundamental
40.100 to 52.000 60
QC20 Rev. 0.4
Part Numbering Guide
Qantek
Code
Package
Nominal Frequency
(in MHz)
Vibration
Mode
Load
Capacitance
Operating Tem-
perature Range
Frequency
Tolerance
Frequency
Stability
Automotive
Indicator
Packaging
Q = Qantek C20 = 1.6x2.0 4-Pad
= SMD
7 digits including the
decimal point
(f.ie. 12.0000)
F = AT-Fund S = Series
08 = 8pF
12 = 12pF
18 = 18pF
20 = 20pF etc.
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 = ±30ppm
5 = ±50ppm
0 = ±100ppm
1 = ±10ppm
2 = ±20ppm
3 = ±30ppm
5 = ±50ppm
0 = ±100ppm
not available M = 250pcs Tape&Reel
R = 1000pcs Tape&Reel
R3 = 3000pcs Tape&Reel
Example: QC2024.0000F12B33R bold letters = recommended standard specification
Frequency Stability vs. Temperature
Operating Temperature ±10ppm ±20ppm ±30ppm ±50ppm ±100ppm
-20 to +70°C
    
-40 to +85°C *
   
-40 to +105°C - - -
 
-40 to +125°C - - - -

*Operating Temperature -30 to +80°C
 standard  available