CX1SM Datasheet, PDF (1/2 Pages) STATEK CORPORATION – Miniature Surface Mount AT Quartz Crystal

EURO QUARTZ
Miniature SMD Crystal for Pierce Oscillators
CX1SM CRYSTAL
530kHz to 2.1MHz
FEATURES
Extensional Mode
Ideal for use with microprocesors
Designed for low power applications
Full military testing available
Low ageing
DESCRIPTION
CX1SM crystals are leadless devices designed for surface
mounting.the crystals are hermetically sealed in a rugged, ceramic
package. CX1SM is intended for use in Pierce (single inverter)
oscillator circuits.
SPECIFICATION
Specifications stated are typical at 25°C unless otherwise indicated.
Specifications may change without notice.
Parameters
Frequency Range (Hz):
Motional Resistance R (Ω):
Motional Resistance R1 (max.)
Motional Capacitance C1 (fF):
QualityFactor Q (k):
Shunt Capacitance C0 (pF):
555k
600
2.5
170
1.2
Fundamental
614k 1.0M 1.4M
275 500 775
3kΩ
3.6 2.0 1.5
260 190 100
1.3 1.1 1.0
Overtone
1.8432 2.1M
300
475
2.8
2.6
110
70
1.3
1.3
Calibration Tolerance*:
Drive Level:
Load Capacitance**:
Turning Point (T⁰)**:
±500ppm (0.05%)
±1000ppm (0.1%)
±10000ppm (1.0%)
3.0µW max.
7pF
35°C
Temperature Coefficient (k):
-0.035ppm/°C²
Note: Frequency f at temperature T is related to frequency F0 at
turning point temperature To by:
f-fo _=k(T-To)2
fo
Function Mode:
Ageing, first year:
Shock, survival:
Vibration, survival:
Operating Temperature Range
Commercial:
Industrial:
Military:
Storage Temperature Range:
Maximum Process Temperature:
Extensional
5ppm max.
750g, 0.3ms, ½ sine
10g rms, 20~2000Hz random
-10° to +70°C
-40° to +85°C
-55 to +125°C
-55° to +125°C
+260°C for 20 seconds
* Tighter tolerances are available.
** Other values are available
OUTLINE & DIMENSIONS
DIMENSION 'H'
Terminations
SM1
SM2/SM4
SM3/SM5
Glass Lid
1.65
1.70
1.78
Ceramic Lid
1.78
1.83
1.90
TERMINATIONS - PLATING
Designation Termination
SM1
SM2
SM3
SM4
SM5
Gold Plated (Lead Free)
Solder Plated
Solder Dipped
Solder Plated (Lead Free)
Solder Dipped (Lead Free)
HOW TO ORDER CX1SM CRYSTALS
CX1 - S - C -
SM1 -
1.0M 500 / 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
M = MHz
Calibration
Tolerance
@25°C
(in ppm)
Temp. Range
C = -10° ~ +70°C
I = -40° ~ +85°C
M = -55° ~ +125°C
S = Customer specified
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: [phone] Fax: [phone] [e-mail] www.euroquartz.co.uk