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
Frequency Tolerance at 25°C
Frequency Stability over Temperature Range
Storage Temperature
Aging per Year
Load Capacitance C
L
Shunt Capacitance C
0
Equivalent Series Resistance (ESR)
Drive Level
Insulation Resistance (MΩ)
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
Equivalent Series Resistance (ESR)
Frequency Range - MHz
12.000 to 16.000
16.000 to 25.000
25.000 to 30.000
30.000 to 48.000
Ω
max.
120
60
50
35
Mode of Operation
Fundamental
Fundamental
Fundamental
Fundamental
Frequency Stability vs. Temperature
Operating Temperature
-20 to +70°C
-40 to +85°C
±20ppm
±30ppm
±50ppm
standard
available
Mechanical Dimensions
Part Numbering Guide
Qantek
Code
Q = Qantek
Package
C3CA = 2.5x3.2
=
4-Pad SMD
Nominal Frequency
(in MHz)
7 digits including the
decimal point
(f.ie. 12.0000)
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
R3 = 3000pcs Tape&Reel
Example: QC3CA12.0000F12B33R
bold letters = recommended standard specification
QANTEK Technology Corporation
Phone: +1 877-227-0440 (tollfree)
Fax:
+1 877-227-0440 (tollfree)
www.qantek.com
info@qantek.com
QC3CA Rev. 0.3
QC3CA Series
2.5x3.2 4-Pad SMD All Ceramic Crystal Unit
Tape and Reel Dimensions
Marking Code Guide
Contains frequency, Qantek manufacturing code, production code (month and year) and load capacitance.
Month Codes
January
February
March
April
May
June
A
B
C
D
E
F
July
August
October
November
December
G
H
J
K
L
Year Codes
2019
2022
9
2
2020
2023
0
3
2021
2024
1
4
Load Capacitance Code in pF
pF
12
18
8
10
16
PN Code
A
B
C
D
E
pF
20
22
30
32
S
PN Code
F
G
H
I
S
September I
Example:
First Line: 12.000
(Frequency)
Second Line: QK9A
(Qantek - November - 2019 - 12 pF)
Solder Reflow Profile
Environmental Specifications
Mechanical Shock
Vibration
Thermal Cycle
Gross Leak
Fine Leak
MIL-STD-202, Method 213, C
MIL-STD-202, Method 201 & 204
MIL-STD, Method 1010, B
MIL-STD-202, Method 112
MIL-STD-202, Method 112
All specifications are subject to change without notice.
QANTEK Technology Corporation
Phone: +1 877-227-0440 (tollfree)
Fax:
+1 877-227-0440 (tollfree)
www.qantek.com
info@qantek.com
QC3CA Rev. 0.3
ADI Reference Circuit
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