Data Sheet
QANTEK Technology Corporation
Phone: +1 877-227-0440 (tollfree) www.qantek.com
Fax: +1 877-227-0440 (tollfree) info@qantek.com
QC25 Series
2.0x2.5 4-Pad SMD Quartz Crystal Unit
Features
• Low in height, suitable for thin equipment
• Ceramic package and metal lid assures high
reliability
• Tight tolerance and stability available
Mechanical Dimensions
Applications
• High density applications
• Modem, communication and test equipment
• PMCIA, wireless applications
• Automotive applications
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
General Specifications
Frequency Range 16.000 to 50.000MHz (Fundamental)
Frenquency Tolerance at 25°C
±10 to ±30ppm (±30ppm standard)
Frequency Stability over Temperature Range
See Stability vs. Temperature Table
Storage Temperature
-55 to +125°C
Aging per Year
±3ppm max.
Load Capacitance C
L
7 to 32pF and Series Resonance
Shunt Capacitance C
0
5.0pF max.
Equivalent Series Resistance (ESR) See ESR Table
Drive Level
100μW typ.
Insulation Resistance (MΩ)
500 at 100Vdc ±15Vdc
Equivalent Series Resistance (ESR)
Frequency Range - MHz
Ω max. Mode of Operation
16.000 to 29.999
150 Fundamental
30.000 to 50.000
100
QC25 Rev. 0.3
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 C25 = 2.0x2.5 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
A = AEC-Q200 M = 250pcs Tape&Reel
R = 1000pcs Tape&Reel
R3 = 3000pcs Tape&Reel
Example: QC2516.0000F12B33R bold letters = recommended standard specification