EURO
QUARTZ
Miniature SMD Crystal for Pierce Oscillators
FEATURES
Frequency Range 10kHz to 600kHz
High shock resistance
Low ageing
Designed for low power applications
Full MIL testing available
CX1VSM CRYSTAL
10kHz to 600kHz
OUTLINE & DIMENSIONS
DESCRIPTION
CX1VSM crystals consist of a high quality tuning fork resonator in a
rugged, hermetically sealed ceramic package. CX1VSM is intended
for use in Pierce (single inverter) oscillator circuits. Designed and
manufactured by Statek Inc.
SPECIFICATION
Frequency Range:
Standard Calibration Tolerance*:
Motional Resistance (R
1
):
10.0kHz to 600.0kHz
DIMENSION 'H'
Terminations
Glass Lid
1.65
1.70
1.78
Ceramic Lid
1.78
1.83
1.90
Max = 10~169.9kHz, 2x typical
170~600kHz, 2.5x typical
Motional Capacitance (C
1
):
Quality Factor (Q):
Shunt Capacitance (C
0
):
Drive Level
10~24.9kHz:
25~600.0kHz:
0
)**:
Turning Point (T
Temperature Coefficient (k):
Ageing, first year:
Shock, survival***:
Vibration, survival***:
Operating Temperature Range
Commercial:
Industrial:
Military:
Storage Temperature Range:
Maximum Process Temperature:
Min. is 0.25x typical
2.0pF max.
0.5µW max.
1.0µW max.
-0.035ppm/°C
2
5ppm max.
1,000g, 1ms, ½ sine
20g rms, 10~2000Hz
-10° to +70°C
-40° to +85°C
-55 to +125°C
-55° to +125°C
+260°C for 20 seconds
SM1
SM2/SM4
SM3/SM5
STANDARD CALIBRATION TOLERANCE
Frequency Range (kHz)
16~74.9
±30ppm
(0.003%)
±100ppm
(0.01%)
±1000ppm
(0.1%)
75~169.9
±50ppm
(0.005%)
±100ppm
(0.01%)
±1000ppm
(0.1%)
170~249
±100ppm
(0.01%)
±200ppm
(0.02%)
±2000ppm
(0.2%)
250~600
±200ppm
(0.02%)
±500ppm
(0.05%)
±5000ppm
(0.5%)
LOAD CAPACITANCE (CL)*
Frequency
Range (kHz)
Load
Capacitance
Frequency
Range (kHz)
Load
Capacitance
PACKAGING OPTIONS
CX1VSM crystals are available either tray packed (<250pcs) or tape
and reel (>250 pieces).
16mm tape, 178mm or 330mm reels (EIA 418).
10~15.9
16~24.9
25~54.9
11pF
10pF
9pF
55~99.9
100~179.9
180~600
8pF
5pF
4pF
* The load capacitance we use to calibrate CX1VSM.
HOW TO ORDER CX1VSM CRYSTALS
CX1V - 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 Pierce Oscillators
SUGGESTED SOLDERING PATTERN
CX1VSM CRYSTAL
10kHz to 600kHz
FIGURE 1
CX1V Typical Motional Resistance R1
CRYSTAL EQUIVALENT CIRCUIT
FIGURE 2
CX1V Typical Motional Capacitance C1
R1 Motional Resistance
C1 Motional Capacitance
L1 Motional Inductance
C0 Shunt Capacitance
CONVENTIONAL CMOS PIERCE OSCILLATOR CIRCUIT
FIGURE 3
CX1V Typical Quality Factor (Q)
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)
FIGURE 4
CX1V Typical Turning Point Temperature (To)
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
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