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CX635A-A3B3C240-FREQD18

Description
Parallel - Fundamental Quartz Crystal, 14MHz Min, 24.99MHz Max, ROHS COMPLIANT, CERAMIC, SURFACE MOUNT PACKAGE-4
CategoryPassive components    Crystal/resonator   
File Size101KB,1 Pages
ManufacturerCardinal Components
Environmental Compliance  
Download Datasheet Parametric View All

CX635A-A3B3C240-FREQD18 Overview

Parallel - Fundamental Quartz Crystal, 14MHz Min, 24.99MHz Max, ROHS COMPLIANT, CERAMIC, SURFACE MOUNT PACKAGE-4

CX635A-A3B3C240-FREQD18 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerCardinal Components
package instructionROHS COMPLIANT, CERAMIC, SURFACE MOUNT PACKAGE-4
Reach Compliance Codecompliant
Other featuresBULK
Ageing5 PPM/YEAR
Crystal/Resonator TypePARALLEL - FUNDAMENTAL
Drive level50 µW
frequency stability0.003%
frequency tolerance50 ppm
JESD-609 codee4
load capacitance18 pF
Manufacturer's serial numberCX635A
Installation featuresSURFACE MOUNT
Maximum operating frequency24.99 MHz
Minimum operating frequency14 MHz
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
physical sizeL6.0XB3.5XH1.1 (mm)/L0.236XB0.138XH0.043 (inch)
Series resistance40 Ω
surface mountYES
Terminal surfaceGold (Au)
CARDINAL COMPONENTS
Ceramic Surface Mount Crystals
• Very low drive level
• Wide frequency range
• Tight stabilities and tolerances
Series CX635A
CX635B
Part Numbering Example: CX635A Z - A1 B2 C2 50 - 11.0 D18 - 3
CX635A
Z
A1*
B2
C2
50
11.0
D18
-3
SERIES ADDED FEATURES OPERATING TEMP. STABILITY TOLERANCE RESISTANCE FREQUENCY LOAD CAP.
OVERTONE
CX635A BLANK = BULK PACK A0 = -10°C ~ +60°C B1 = ±100 C1 = ±100 SEE CHART
D16,18,20,ETC. BLANK: FUND.
-3: 3rd OT
BELOW
CX635B Z = TAPE AND REEL A1 = -10°C ~ +70°C B2 = ± 50 C2 = ± 50
DS = SERIES
-5: 5th OT
B3 = ± 30 C3 = ± 30
A2 = -40°C ~ +85°C
-7: 7th OT
A3 = -55°C ~ +125°C B4 = ± 10 C4 = ± 10
-BT: BT Cut
*NOTE:
The above ABC combinations cover basic specification options. We tailor our crystal specifications
to meet customer requirements. Please contact our sales department if you don’t see exactly what you need.
Specifications:
Frequency Range:
Operating Temperature:
11.000 ~ 150.000 MHz
-10°C ~ +70°C
-20°C ~ +70°C
-40°C ~ +85°C
±50
±30
±10
± 5
ppm
ppm
ppm
ppm
CX635A
Standard
Frequency Stability:
Standard
Frequency Tolerance:
(at 25°C)
Load Capacitance:
Resistance:
Standard:
±50 ppm
±30 ppm
±10 ppm
Standard
Standard 18pF or series.
Other values are available.
Maximum resistance corresponds to frequency.
See chart below.
Mode: Fundamental, 3rd or 5th Overtone
Shunt Capacitance: 7 pF Max
Aging: ± 5 ppm/year
Drive Level: 50 µW
Packaging: Tape and Reel (1K per Reel)
CX635B
Note: Not all combinations of the above tolerances, stabilities, and temperature
ranges are available. Consult the factory if your requirement is not standard.
Resistance Chart:
All resistances are maximum
EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE)
Frequency MHz
11.0
14.0
25.0
55.0
100.0
~ 13.99
~ 24.99
~ 54.99
~ 100.00
~ 150.00
ESR (Ω)
50
40
30
70
100
Oscillation Mode
Fundamental
Fundamental
Fundamental
3rd Overtone
5th Overtone
Cardinal Components, Inc., 155 Rt. 46 W, Wayne, NJ. 07470 TEL: (973)785-1333 FAX: (973)785-0053
http://www.cardinalxtal.com
E-Mail: cardinal@cardinalxtal.com
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