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參數資料
| 型號： | CX-3-SM3FREQ(A/I) |
| 廠商： | EUROQUARTZ LTD |
| 元件分類： | 晶體 |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 0.8 MHz - 1.35 MHz |
| 封裝： | HERMETIC SEALED, MINIATURE, CERAMIC, SMD, 2 PIN |
| 文件頁數： | 1/2頁 |
| 文件大小： | 98K |
| 代理商： | CX-3-SM3FREQ(A/I) |
CX-3-SM
800kHz to 1.35MHz
LOW-PROFILE
MINIATURE
SMD CRYSTAL
CX-3-SM
800kHz to 1.35MHz
LOW-PROFILE
MINIATURE
SMD CRYSTAL
General Description
CX-3-SM quartz crystals are leadless devices designed for surface-
mounting on printed circuit boards or hybrid circuits. Hermetically
sealed in a rugged, ceramic package, the crystals are produced
utilizing a photo-lithographic process giving excellent repeatability
and consistent high quality.
Outline
Extensional mode
Ideal for use with microprocessors
Designed for low power applications
Compatible with hybrid or PCB mounting
Low ageing
Full military environmental testing available
Ideal for battery operated applications
Specification
Dimension
A
6.73
7.11
B
2.62
2.90
C
-
see below
D
1.27
1.52
E
1.32
1.57
CX-3-SM Package Dimensions
Typical
(mm)
Maximum
(mm)
Dimension
“C”
SM1
1.47
1.75
SM2
1.52
1.80
SM3
1.60
1.88
Glass Lid
(mm max.)
Ceramic Lid
(mm max.)
LR
C
12
R
L
CC
Mot ional Resistance
Motional Capacitance
Motional Inductance
Shunt Capacitance
Equivalent Circuit
Frequency Range:
Functional Mode:
Calibration Tolerance*:
Load Capacitance:
Motional Resistance (R ):
Motional Capacitance (C ):
Quality Factor (Q):
Shunt Capacitance (C ):
Drive Level:
Turning Point (T )**:
Temperature Coefficient (k):
800kHz to 1.35MHz
Extensional
A:
±0.05% (±500ppm)
B:
±0.1%
C:
±1.0%
7pF
5k max.
1.2fF
150k
1.0pF
3 W max.
35°C
-0.035ppm/°C
Note: Frequency (f) deviation from frequency (f0) @ turning point
temperature (t0) =
W
m
2
A
B
C
D
E
(TOP)
Terminations
Designation
SM1
Gold Plated
SM2
Nickel, Silver Plated
SM3
Nickel, Solder Plated and Solder Dipped
Termination
Ageing, first year:
Shock:
Vibration, survival:
Operating Temperature:
Storage Temperature:
Max. Process Temperature:
±5ppm max.
1,000g peak, 0.3ms, sine
10g rms 20-1,000Hz random
-10°~+70°C (commercial)
-40°~+85°C (industrial)
-55°~+125°C (military)
-55°C~+125°C
260°C for 20 seconds
Specifications are typical at 25°C unless otherwise indicated.
*
Closer frequency calibration available
**
Other turning point available
f-fo
fo
= k(T-To)
+44(0)1460 230000
+44(0)1460 230001
sales@euroquartz.co.uk
www.euroquartz.co.uk
Telephone:
Fax:
Email:
Web:
EUROQUARTZ
CX MINIATURE CRYSTALS
Page
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