CX-1H-SM3FREQ2(A/C) [EUROQUARTZ]
Parallel - Fundamental Quartz Crystal, 0.025MHz Min, 0.0749MHz Max, HERMETICALLY SEALED, MINIATURE, CERAMIC, LEADLESS, SMD, 2 PIN;
| 型号： | CX-1H-SM3FREQ2(A/C) |
| 厂家： | 
EUROQUARTZ LIMITED |
| 描述： | Parallel - Fundamental Quartz Crystal, 0.025MHz Min, 0.0749MHz Max, HERMETICALLY SEALED, MINIATURE, CERAMIC, LEADLESS, SMD, 2 PIN |
| 文件： | 总2页 (文件大小：116K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CX MINIATURE CRYSTALS
EUROQUARTZ
Telephone:
Fax:
+44(0)1460 230000
+44(0)1460 230001
sales@euroquartz.co.uk
www.euroquartz.co.uk
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CX-1H-SM
10kHz ttoo 660000kkHHzz
1 of 2
Email:
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MMIINNIIAATTUURREE SSMMDD CCRRYYSSTTAALL
FFOORR SSEERRIIEESS OOSSCCIILLLLAATTOORRSS
Miniature tuning-fork design
High shock resistance
Designed for low-power applications
Compatible with hybrid or PC board packaging
Low ageing
Full military environmental testing available
Ideal for battery operated applications
General Description
The miniature CX-1H-SM quartz crystal is a high quality tuning-
fork resonator for use in series (two cascaded inverters) oscillators.
The CX-1H-SM is hermetically sealed in a rugged, leadless
ceramic package. The crystal has been designed for surface-
mounting on printed circuit boards or hybrid circuits. The CX-1-SM
crystal is manufactured using a photo-lithographic process,
yielding consistently high quality production parts.
Specification
Frequency Range:
Calibration Tolerance*:
Motional Resistance (R ):
10kHz to 600kHz
A, B or C (see table)
Figure 1
D
Max.: 10 ~ 169.9kHz, 2x typ.
170~600kHz, 2.5x typ.
Figure 2
(TOP)
A
Motional Capacitance (C ):
Quality Factor (Q):
E
D
Figure 3
Min. is 0.25x typ.
2.0pF max.
B
C
E
Shunt Capacitance (C ):
Drive Level:
10~24.98kHz 1.5µW max.
25~600kHz 3.0µW max.
Figure 4
Outline
Turning Point (T )**:
Temperature Coefficient:
Ageing, first year:
-0.035ppm/°C
±5ppm max.
CX-1-SM Package Dimensions
Shock, survival***:
Vibration, survival***:
Operating Temperature:
1000g 1ms, ½ sine
20g rms, 10-2,000Hz random
-10°~+70°C (commercial)
-40°~+85°C (industrial)
-55°~+125°C (military)
-55°C~+125°C
Typical
(mm)
Maximum
(mm)
Dimension
A
B
8.00
3.56
-
8.38
3.94
Storage Temperature:
Process Temperature:
260°C for 20 seconds
C
D
E
see below
1.40
Specifications are typical at 25°C unless otherwise indicated.
1.14
1.52
1.78
*
**
***
Tighter frequency calibration available
Other turning point available
Higher shock and vibration version available
Dimension
“C”
Glass Lid
(mm max.)
Ceramic Lid
(mm max.)
SM1
SM2
SM3
1.65
1.70
1.78
1.78
1.83
1.90
CX-1H-SM Crystal Calibration Tolerance at 25°C
Frequency Range (kHz)
Calibration
10~74.9
250~600
75~169.9 170~249.9
A
B
±0.003% ±0.005%
±0.01%
±0.02%
±0.2%
±0.02%
±0.05%
±0.5%
Equivalent Circuit
±0.01%
±0.1%
±0.01%
±0.1%
C
L1
R1
C1
C0
1
2
Solder Pad Layout
1.78
4.06
6.86
R1 Motional Resistance L1
Motional Inductance
C0
Shunt Capacitance
C1
Motional Capacitance
CX MINIATURE CRYSTALS
EUROQUARTZ
Telephone:
Fax:
+44(0)1460 230000
+44(0)1460 230001
sales@euroquartz.co.uk
www.euroquartz.co.uk
Page
CX-1H-SM
10kHz ttoo 660000kkHHzz
2 of 2
Email:
Web:
MMIINNIIAATTUURREE SSMMDD CCRRYYSSTTAALL
FFOORR SSEERRIIEESS OOSSCCIILLLLAATTOORRSS
Figure 2 - CX-1H Typical Motional Capacitance (C )
Circuit Design
Conventional Series Oscillator Circuit
Figure 3 - CX-1H Typical Quality Factor (Q)
Oscillator
Buffer
CX-1H Crystal
Figure 1 - CX-1H Typical Motional Resistance (R )
Figure 4 - CX-1H Typical Turning Point Temp. (°C)
Terminations
Termination
Designation
Packaging
CX-1H-SM - Bulk Pack (Standard)
- 16mm tape, 178mm or 330mm reels (Optional)
per EIA 481
SM1
SM2
SM3
Gold Plated
Nickel, Solder Plated
- Tray Pack (Optional)
Nickel, Solder Plated and Solder Dipped
Order Code
C = Ceramic Lid
Blank = Glass Lid
Frequency
CX-1H
( A /
I )
-SM1 32.768kHz
“S” if special
or custom design
Blank if standard
Temperature
Range:
C = Commercial
I = Industrial
M = Military
S = Specify
SM1
SM2
SM3
Calibration
Tolerance*
@ 25°C
A, B, C
*For other calibration
tolerances enter
figure in ppm
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