EURO
QUARTZ
Miniature SMD Crystal for Series Oscillators
FEATURES
Frequency Range 10kHz to 600kHz
High shock resistance
Low ageing
Designed for low power applications
Full MIL testing available
CX1HSM CRYSTAL
10kHz to 600kHz
OUTLINE & DIMENSIONS
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.
SPECIFICATION
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 (R
1
):
Figure 1
Max = 10~169.9kHz, 2x typical
170~600kHz, 2.5x typical
1
):
Motional Capacitance (C
Figure 2
Quality Factor (Q):
Figure 3
Min. is 0.25x typical
Shunt Capacitance (C
0
):
2.0pF max.
Drive Level
10~24.9kHz:
1.5µW max.
25~600.0kHz: 3.0µW max.
Turning Point (T
0
)**:
Figure 4
Temperature Coefficient (k):
-0.035ppm/°C
2
Ageing, first year:
5ppm max.
Shock, survival***:
1,000g, 1ms, ½ 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
* Tighter frequency calibration is available.
** Other turning point is available
*** Higher shock and vibration survival is available
DIMENSION 'H'
Terminations
SM1
SM2/SM4
SM3/SM5
Glass Lid
1.65
1.70
1.78
Ceramic Lid
1.78
1.83
1.90
STANDARD CALIBRATION TOLERANCE
Frequency Range (kHz)
10~74.9
±30ppm
(0.003%)
±100ppm
(0.01%)
±1000ppm
(0.1%)
75~169.9
170~249.9
±50ppm
(0.005%)
±100ppm
(0.01%)
±1000ppm
(0.1%)
±100ppm
(0.01%)
±200ppm
(0.02%)
±2000ppm
(0.2%)
250~600
±200ppm
(0.02%)
±500ppm
(0.05%)
±5000ppm
(0.5%)
PACKAGING OPTIONS
CX1HSM crystals are available either tray packed (<250pcs) or tape
and reel (>250 pieces).
16mm tape, 178mm or 330mm reels (EIA 418).
HOW TO ORDER CX1HSM CRYSTALS
CX1H - S
'S' if special,
custom design.
Otherwise leave
blank
-
C
Blank = glass lid
C = ceramic lid
-
SM1
-
32.768K
Frequency
K = kHz
30
Calibration
Tolerance
@25°C
(in ppm)
/
I
Temp. Range
C = -10° ~ +70°C
I = -40° ~ +85°C
M = -55° ~ +125°C
S = Customer specified
Terminations
SM1 = Gold plated *
SM2 = Solder plated
SM3 = Solder dipped
SM4 = Solder plated *
SM5 = Solder dipped *
* = Lead free
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
Miniature SMD Crystal for Series Oscillators
SUGGESTED SOLDERING PATTERN
CX1HSM CRYSTAL
10kHz to 600kHz
FIGURE 1
CX1H Typical Motional Resistance R1
CRYSTAL EQUIVALENT CIRCUIT
FIGURE 2
CX1H Typical Motional Capacitance C1
R1 Motional Resistance
C1 Motional Capacitance
L1 Motional Inductance
C0 Shunt Capacitance
CONVENTIONAL SERIES OSCILLATOR CIRCUIT
FIGURE 3
CX1H Typical Quality Factor (Q)
TERMINATIONS - PLATING
Designation
Termination
FIGURE 4
CX1H Typical Turning Point Temperature (To)
SM1
SM2
SM3
SM4
SM5
Gold Plated (Lead Free)
Solder Plated
Solder Dipped
Solder Plated (Lead Free)
Solder Dipped (Lead Free)
Turning Point Temperature
Note: Frequency f at temperature T is related to frequency F0 at
turning point temperature To by:
f-fo
=k(T-To)
2
fo
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
PCB Design
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