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參數資料
| 型號： | CX1H-C-SM2-249.9K2000/M |
| 廠商： | EUROQUARTZ LTD |
| 元件分類： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 0.2499 MHz |
| 封裝： | MINIATURE, HERMETIC SEALED, CERAMIC, SMD, 2 PIN |
| 文件頁數： | 1/2頁 |
| 文件大小： | 300K |
| 代理商： | CX1H-C-SM2-249.9K2000/M |
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001
info@euroquartz.co.uk
www.euroquartz.co.uk
EURO QUARTZ
DESCRIPTION
CX1HSM crystals consist of a high quality tuning fork resonator in a
rugged, hermetically sealed ceramic package. CX1VSM is intended
for use in Series (two cascaded inverters) oscillator circuits.
OUTLINE & DIMENSIONS
Specifications stated are typical at 25°C unless otherwise indicated.
Specifications may change without notice.
Frequency Range:
10.0kHz to 600.0kHz
Standard Calibration Tolerance*:
see table
Motional Resistance (R1):
Figure 1
Max = 10~169.9kHz, 2x typical
170~600kHz, 2.5x typical
Motional Capacitance (C1):
Figure 2
Quality Factor (Q):
Figure 3
Min. is 0.25x typical
Shunt Capacitance (C0):
2.0pF max.
Drive Level
10~24.9kHz:
1.5W max.
25~600.0kHz:
3.0W max.
Turning Point (T0)**:
Figure 4
Temperature Coefficient (k):
-0.035ppm/°C2
Ageing, first year:
5ppm max.
Shock, survival***:
1,000g, 1ms, sine
Vibration, survival***:
20g rms, 10~2000Hz
Operating Temperature Range
Commercial:
-10° to +70°C
Industrial:
-40° to +85°C
Military:
-55 to +125°C
Storage Temperature Range:
-55° to +125°C
Maximum Process Temperature:
+260°C for 20 seconds
SPECIFICATION
±30ppm
±50ppm
±100ppm
±200ppm
(0.003%)
(0.005%)
(0.01%)
(0.02%)
±100ppm
±200ppm
±500ppm
(0.01%)
(0.02%)
(0.05%)
±1000ppm
±2000ppm
±5000ppm
(0.1%)
(0.2%)
(0.5%)
10~74.9
75~169.9
170~249.9
STANDARD CALIBRATION TOLERANCE
FEATURES
Frequency Range 10kHz to 600kHz
High shock resistance
Low ageing
Designed for low power applications
Full MIL testing available
PACKAGING OPTIONS
CX1HSM crystals are available either tray packed (<250pcs) or tape
and reel (>250 pieces).
16mm tape, 178mm or 330mm reels (EIA 418).
CX1HSM CRYSTAL
*
Tighter frequency calibration is available.
**
Other turning point is available
*** Higher shock and vibration survival is available
HOW TO ORDER CX1HSM CRYSTALS
CX1H - S
-
C
-
SM1
-
32.768K
30
/
I
'S' if special,
custom design.
Otherwise leave
blank
Blank = glass lid
C = ceramic lid
Terminations
SM1 = Gold plated *
SM2 = Solder plated
SM3 = Solder dipped
SM4 = Solder plated *
SM5 = Solder dipped *
* = Lead free
Frequency
K = kHz
Calibration
Tolerance
@25°C
(in ppm)
Temp. Range
C = -10° ~ +70°C
I = -40° ~ +85°C
M = -55° ~ +125°C
S = Customer specified
Miniature SMD Crystal for Series Oscillators
10kHz to 600kHz
250~600
Frequency Range (kHz)
SM1
1.65
1.78
SM2/SM4
1.70
1.83
SM3/SM5
1.78
1.90
Terminations
DIMENSION 'H'
Glass Lid
Ceramic Lid
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