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
Applications
• High density applications
• Modem, communication and test equipment
• PMCIA, wireless applications
• Automotive applications
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)
20.000 to 52.000MHz (Fundamental)
±10 to ±30ppm (±30ppm standard)
See Stability vs. Temperature Table
-40 to +85°C
±3ppm max.
7 to 32pF and Series Resonance
7.0pF
See ESR Table
50μW max.
500 at 100Vdc ±15Vdc
Equivalent Series Resistance (ESR)
Frequency Range - MHz
20.000 to 40.000
40.100 to 52.000
Ω
max.
100
60
Mode of Operation
Fundamental
Frequency Stability vs. Temperature
Operating Temperature
-20 to +70°C
-40 to +85°C
-40 to +105°C
-40 to +125°C
*Operating Temperature -30 to +80°C
±10ppm
*
-
-
±20ppm
-
-
±30ppm
-
-
±50ppm
-
±100ppm
standard
available
Mechanical Dimensions
Part Numbering Guide
Qantek
Code
Q = Qantek
Package
C20 = 1.6x2.0 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
08 = 8pF
12 = 12pF
18 = 18pF
20 = 20pF etc.
Operating Tem-
perature Range
A = -20 to +70°C
B = -40 to +85°C
C = -40 to +105°C
D = -40 to +125°C
Frequency
Tolerance
1 = ±10ppm
2 = ±20ppm
3 = ±30ppm
5 = ±50ppm
0 = ±100ppm
Frequency
Stability
1 = ±10ppm
2 = ±20ppm
3 = ±30ppm
5 = ±50ppm
0 = ±100ppm
Automotive
Indicator
not available
Packaging
M = 250pcs Tape&Reel
R = 1000pcs Tape&Reel
R3 = 3000pcs Tape&Reel
Example: QC2024.0000F12B33R
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
QC20 Rev. 0.6
QC20 Series
1.6x2.0 4-Pad SMD Quartz 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
2016
2019
2022
2025
6
9
2
5
2017
2020
2023
2026
7
0
3
6
2018
2021
2024
2027
8
1
4
7
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: 12.0
(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
QC20 Rev. 0.6
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