EURO
QUARTZ
Low Profile Miniature SMD Crystal
FEATURES
Very high shock and vibration survival
Designed for surface mount applications, including
infrared, vapour phase or epoxy mount techniques
Hermetically sealed ceramic package
Excellent ageing characteristics
Available with glass or ceramic lid
Custom designs available
Full Military testing available
CX3HGSM AT CRYSTAL
9.6MHz to 250MHz
DESCRIPTION
CX3HGSM AT crystals in leadless ceramic packages are designed for
surface mounting on PCB or hybrid substrates. The small footprint,
low profile crystal has been designed for applications requiring high
shock and vibration survival.
OUTLINE & DIMENSIONS
SPECIFICATION
Fundamental Frequency:
Motional Resistance R (Ω):
Motional Capacitance C1 (fF):
Quality Factor Q (k):
Shunt Capacitance C0 (pF):
Calibration Tolerance
1
:
Load Capacitance
2
:
Drive Level:
10.0MHz
60
2.8
95
1.4
32.0MHz
25
6.2
30
2.3
155.52MHz
10
4.0
30
2.3
±100ppm or tighter as required
20pF for fr. <50MHz
10pF for fr. >50MHz
500µW max. for fr. <50MHz
200µW max. for fr. <50MHz
±50ppm to ±10ppm
±100ppm to ±20ppm
±100ppm to ±30ppm
5ppm max.
Up to 20,000g, 0.3ms, ½ sine
20g, 10~2000Hz swept sine
-10° to +70°C
-40° to +85°C
-55 to +125°C
-55° to +125°C
+260°C for 20 seconds
Temperature Stability
3
Commercial -10 ~ +60°C:
Industrial -40 to +85°C:
Military -55 to +125°C:
Ageing, first year
4
:
Shock, survival
5
:
Vibration, survival
6
:
Operating Temperature Range
Commercial:
Industrial:
Military:
Storage Temperature Range:
Maximum Process Temperature:
Dim. H
SM1
SM2
SM3
SM4
SM5
Glass
Lid
1.35
1.40
1.47
1.40
1.47
Ceramic
Lid
1.70
1.75
1.83
1.75
1.83
PACKAGING OPTIONS
CX3HGSM AT crystals are available either tray packed (<250pcs) or
tape and reel (>250 pieces).
16mm tape, 178mm or 330mm reels (EIA 418).
CRYSTAL EQUIVALENT CIRCUIT
Designed and manufactured by Statek Inc.
R1 Motional Resistance
C1 Motional Capacitance
L1 Motional Inductance
C0 Shunt Capacitance
HOW TO ORDER CX3HGSM AT CRYSTALS
CX3 -
S
-
HG1 - C -
HG1 = 10,000g
HG2 = 20,000g
SM1
-
32.0M
Frequency
M = MHz
, 100 / 100 / - /
Calibration
Tolerance
@25°C
(in ppm)
Frequency
Stability over
Temp. Range
(in ppm)
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
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: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
