EURO
QUARTZ
Miniature SMD Crystal for Pierce Oscillators
FEATURES
Frequency Range 16kHz to 600kHz
High shock resistance
Low ageing
Designed for low power applications
Full MIL testing available
CX2VSM CRYSTAL
16kHz to 600kHz
OUTLINE & DIMENSIONS
Dim.
A
B
C
D
E
F
G
H
I
Typ.
Max.
DESCRIPTION
CX2VSM crystals are leadless devices designed for surface mounting
on PCBs or hybrid substrates. The crystals are intended for use in
Pierce (single inverter) oscillator circuits. Designed and manufactured
by Statek Inc.
SPECIFICATION
6.60
6.99
2.39
2.74
see below
0.89
1.14
1.50
1.75
1.27
1.52
2.67
2.92
3.94
4.19
5.33
5.59
Frequency Range:
Functional Mode:
Standard Calibration Tolerance*:
Motional Resistance (R
1
):
16.0kHz to 600.0kHz
Tuning Fork (Flexure)
Dim. C
SM1
SM2
SM3
SM4
SM5
Glass
Lid
1.65
1.70
1.78
1.70
1.78
Ceramic
Lid
1.91
1.96
2.03
1.96
2.03
Max = 16~24.9kHz, 2x typical
25~600kHz, 2.5x typical
Motional Capacitance (C
1
):
Quality Factor (Q):
Shunt Capacitance (C
0
):
Drive Level
16~24.9kHz:
25~600.0kHz:
Turning Point (T
0
)**:
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.
1,500g, 0.3ms, ½ sine
10g rms, 20~2000Hz
-10° to +70°C
-40° to +85°C
-55 to +125°C
-55° to +125°C
+260°C for 20 seconds
STANDARD CALIBRATION TOLERANCE
Frequency Range (kHz)
16~74.9
±30ppm
(0.003%)
±100ppm
(0.01%)
±1000ppm
(0.1%)
75~169.9
170~249
±100ppm
(0.01%)
±200ppm
(0.02%)
±2000ppm
(0.2%)
250~600
±200ppm
(0.02%)
±500ppm
(0.05%)
±5000ppm
(0.5%)
±50ppm
(0.005%)
±100ppm
(0.01%)
±1000ppm
(0.1%)
LOAD CAPACITANCE (CL)*
Frequency
Range (kHz)
Load
Capacitance
Frequency
Range (kHz)
Load
Capacitance
PACKAGING OPTIONS
CX2VSM crystals are available either tray packed (<250pcs) or tape
and reel (>250 pieces).
16mm tape, 178mm or 330mm reels (EIA 418).
16~24.9
25~54.9
55~100.0
10pF
9pF
8pF
100.0~179.9
180~600
5pF
4pF
* The load capacitance we use to calibrate CX2VSM.
HOW TO ORDER CX2VSM CRYSTALS
CX2V - 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
CRYSTAL EQUIVALENT CIRCUIT
CX2VSM CRYSTAL
16kHz to 600kHz
FIGURE 1
CX2V Typical Motional Resistance R1
R1 Motional Resistance
C1 Motional Capacitance
L1 Motional Inductance
C0 Shunt Capacitance
CONVENTIONAL CMOS PIERCE OSCILLATOR CIRCUIT
FIGURE 2
CX2V Typical Motional Capacitance C1
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 3
CX2V Typical Quality Factor (Q)
FIGURE 4
CX2V 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
Analog electronics
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