Surface Mount Quartz Crystal
FEATURES
•
Standard 6.0x3.5mm Surface Mount Footprint
•
Stable Frequency Over Temperature and
Drive Level
•
Frequency Range 10 – 50 MHz
•
Frequency Tolerance, ±30 ppm Standard
(±10 ppm and ±20 ppm available)
•
Frequency Stability, ±50 ppm Standard
(±10,±20,±30 and ±40 ppm available)
•
Operating Temperature to –40°C to +85°C
•
Tape & Reel Packaging, EIA-481-2 Compliant
•
RoHS/Green Compliant
Model 406
DESCRIPTION
The Model 406 is a ceramic packaged Crystal
offering reduced size, ideal for high-density
circuit board applications. The Model 406 offers
reliable precision and excellent shock
performance in wireless telecommunication
devices.
ORDERING INFORMATION
406
OPERATING TEMPERATURE RANGE
C = -20°C to +70°C (standard)
I = -40°C to +85°C
FREQUENCY TOLERANCE @ 25°C
1 = ± 10 ppm
2 = ± 20 ppm
3 = ± 30 ppm (standard)
STABILITY TOLERANCE
Over Operating Temperature Range
(Referenced to 25°C Reading)
M
FREQUENCY IN MHz
M - indicates MHz and decimal point.
Frequency is recorded with minimum 5
significant digits to the right of the "M".
LOAD CAPACITANCE
A = 10 pF
B = 13 pF
C = 16 pF
D = 18 pF
E = 20 pF
F = 24 pF
G = 30 pF
H = 32 pF
J = 9 pF
K = 8 pF
L = 12 pF
S = Series
1
2
3
4
5
=
=
=
=
=
±
±
±
±
±
10
20
30
40
50
ppm **
ppm
ppm
ppm
ppm (standard)
Example Part Numbers:
406C35A14M31818
406I35A32M00000
Custom performance characteristics are available upon request. Use form C052 to
detail non-standard parameters.
Contact your local CTS Representative or CTS Customer Service for assistance.
** Limited to Standard Operating Temperature
Range Only, Code C.
Document No. 008-0260-0
Page 1 - 3
Rev. F
٠ ٠ ٠
CTS Electronic Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠ ٠ ٠
٠ ٠ ٠
www.ctscorp.com
٠ ٠ ٠
6.0x3.5mm Low Cost
Surface Mount Crystal
Model 406
ELECTRICAL CHARACTERISTICS
PARAMETER
Operating Mode
(Note 1)
Crystal Cut
Frequency Range
Frequency Tolerance @ 25°C
Electrical Parameters
VALUE
Fundamental or 3
rd
Overtone
AT-Cut
10.0 MHz to 50.0 MHz
± 30 ppm Standard
(± 10 ppm and ± 20 ppm Available)
Frequency Stability Tolerance
(Operating Temperature Range, Referenced to 25°C Reading)
± 50 ppm Standard
(± 10 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available)
Operating Temperature Range
Storage Temperature Range
Equivalent Series Resistance
Load Capacitance or Resonance Mode
Shunt Capacitance (C
0
)
Drive Level
Reflow Condition, per JEDEC J-STD-020
-20°C to +70°C Standard
(-40°C to +85°C Available)
-55°C to +125°C
See ESR Table
See Ordering Information
4.0 pF Maximum
(2.5 pF ± 0.5 pF Typical)
25 µW Typical, 100 µW Maximum
+255°C ± 5°C, 10 Seconds Maximum
EQUIVALENT SERIES RESISTANCE TABLE
FREQUENCY RANGE
10.000 MHz - 15.999 MHz
16.000 MHz - 48.000 MHz
48.001 MHz - 50.000 MHz
MODE of OSCILLATION
Fundamental
Fundamental
3
rd
Overtone
ESR Maximum
60 Ohms
40 Ohms
80 Ohms
Notes:
1. Third overtones as low as 30.000 MHz are available upon request.
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
( 6.00 ±0.20 )
0.236 ±0.008
MARKING INFORMATION
1. XX.XXX – Frequency marked with 3 significant
digits after the decimal.
2. C – CTS and Pin 1 identifier.
3. ** - Manufacturing Site Code.
4. YWW – Date Code, Y – Last Digit of Year,
WW – Week.
5. Complete CTS part number, frequency value and
date code information must appear on reel and
box labels.
SUGGESTED SOLDER PAD GEOMETRY
4
( 3.50 ±0.20 )
0.138 ±0.008
3
XX.XXX
C**YWW
1
Top View
2
( 1.20 )
Max
0.047
Key:
( 3.0 )
0.118
( 1.5 )
0.059
( 1.0 )
0.039
1
2
( 1.50 )
0.059
4
3
( MM )
Inch
0.075 [1.90]
0.055 [1.40]
4
3
0.094 [2.40]
Bottom View
Notes:
1. Termination pads (e4), barrier-plating is nickel (Ni) with gold (Au) flash plate.
2. Terminations #2, #4 and the metal lid are connected internally.
End user may connect these pins to circuit ground.
Document No. 008-0260-0
Page 2 - 3
1
0.173 [4.40]
2
Key:
[mm]
Inch
Rev. F
٠ ٠ ٠
CTS Electronic Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠٠٠
6.0x3.5mm Low Cost
Surface Mount Crystal
Model 406
TAPE AND REEL INFORMATION
DIMENSIONS IN MILLIMETERS
17.5
Ø13.5
4.0
8.0
Ø1.50
1.75
1.95
120°
2.0
6.40
12.0
Ø60
Ø180
3.91
Ø21.4
DIRECTION OF FEED
Device quantity is 1,000 pieces per 180mm reel.
ENVIRONMENTAL SPECIFICATIONS
Temperature Cycle:
Mechanical Shock:
Sinusoidal Vibration:
Gross Leak:
Fine Leak:
Resistance to Solder Heat:
High Temperature Operating Bias:
Frequency Aging:
Insulation Resistance:
Moisture Sensitivity Level:
400 cycles from –55°C to +125°C, 10 minute dwell at each temperature, 1
minute transfer time between temperatures.
1,500g’s, 0.5mS duration, ½ sinewave, 3 shocks each direction along 3
mutually perpendicular planes (18 total shocks).
0.06 inches double amplitude, 10 to 55 Hz and 20g’s, 55 to 2,000 Hz, 3 cycles
each in 3 mutually perpendicular planes (9 times total).
No leak shall appear while immersed in an FC40 or equivalent liquid at
+125°C for 20 seconds.
Mass spectrometer leak rates less than 2x10
-8
ATM cc/sec air equivalent.
Product must survive 3 reflows of +260°C peak, 10 seconds maximum.
2,000 hours at +125°C, disregarding frequency shift.
1,000 hours at +85°C, maximum ±5 ppm shift.
500M Ohms @ 100V
DC
±15V
DC
.
Level 1 per JEDEC J-STD-020.
QUALITY AND RELIABILITY
Quality systems meet or exceed the requirements of ISO 9000:2000 standards.
Document No. 008-0260-0
Page 3 - 3
Rev. F
٠ ٠ ٠
CTS Electronic Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠٠٠
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