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.
SPECIFICATION
Specifications stated are typical at 25°C unless otherwise indicated.
Specifications may change without notice.
Frequency Range:
16.0kHz to 600.0kHz
Functional Mode:
Tuning Fork (Flexure)
Standard Calibration Tolerance*:
see table
Motional Resistance (R
1
):
Figure 1
Max = 16~24.9kHz, 2x typical
25~600kHz, 2.5x typical
Motional Capacitance (C
1
):
Figure 2
Quality Factor (Q):
Figure 3
Min. is 0.25x typical
0
):
Shunt Capacitance (C
2.0pF max.
Drive Level
16~24.9kHz:
0.5µW max.
25~600.0kHz: 1.0µW max.
Turning Point (T
0
)**:
Figure 4
Temperature Coefficient (k):
-0.035ppm/°C
2
Ageing, first year:
5ppm max.
Shock, survival***:
1,500g, 0.3ms, ½ sine
Vibration, survival***:
10g rms, 20~2000Hz
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
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
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
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.
(Other CL is available.)
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
EUROQUARTZ [ EUROQUARTZ LIMITED ]
