Model 406
3.5 x 6.0 mm
Ceramic - SM Crystal
CTS
Communications Components, Inc
.
171 Covington Drive
Bloomingdale, IL 60108
630-924-3500
Document No. 008-0260-0
Page 1 of 4
Revision B
Date: Nov. 21, 2003
FEATURES:
Surface Mount Ceramic base Weld Metal lid Package with 4 pads
Stable frequency characteristics over temperature and drive level
Packed in Embossed Carrier Tape & Reel for Automatic Handling (Standard 1,000 piece/reel compliant
with EIA-481-2)
APPLICATIONS:
Surface mount 3.5 x 6.0mm x 1.2mm Max. crystal is ideal for application to high-density circuit boards with
reliable precision & excellent shock performance in wireless telecommunications devices.
ELECTRICAL SPECIFICATIONS:
CTS Crystal Model Number
406
Operating Mode of Oscillation & Cut
Fundamental/3
rd
OT & AT-cut
Frequency Range
10.0 to 50.0 MHz
Frequency Calibration Tolerance @ 25
C
30ppm Standard
( Other tighter tolerances are available; See P/N System ).
Frequency Stability Tolerance
( Ref. to 25
C readings over Operating Temperature Range )
50ppm Standard.
( Other tighter tolerances are available; See P/N System ).
Operating Temperature Range
-20
C to +70
C Standard.
( Extended 40
C to +85
C is available; See P/N System ).
Storage Temperature Range
-55
C to +125
C in a non-operating condition
Drive Level
25
w Typical & 100
w Maximum
Equivalent Series Resistance Maximum
(ESR Max.)
See ESR Table
Resonance Mode (To be specified by customer)
S for Series or Parallel with load capacitance
13Pf, 18Pf, 20Pf , Etc. ( See P/N System ).
Surface Mount Temperature Reflow Condition
255
C
5
C & 10 Sec. Max.
Shunt Capacitance (C0)
4.0 pF Max. ( 2.5
0.5 pF Typ.)
Model 406
3.5 x 6.0 mm
Ceramic - SM Crystal
CTS
Communications Components, Inc
.
171 Covington Drive
Bloomingdale, IL 60108
630-924-3500
Document No. 008-0260-0
Page 2 of 4
Revision B
Date: Nov. 21, 2003
ESR Table:
Frequency Range (MHz)
Mode of Oscillation
ESR Max. (Ohms)
10.000 ~ 15.999 MHz
Fundamental
60
16.000 ~ 42.000 MHz
Fundamental
40
30.000 ~ 50.000 MHz
3
rd
OT
80
PART NUMBERING SYSTEM for Ordering Information:
Part Number Examples: 406C35A14M31818, 406I33H24M00000
Frequency in MHz
the right of the "M".
G = 30 pF
H = 32 pF
F = 24 pF
Frequency shall be recorded with
5 significant digits minimum to
M - Indicates decimal point.
f f M f f f f f
406
2 = 20 ppm
1 = 10 ppm
3 = 30 ppm (Standard)
Stability Tolerance over
1 = 10 ppm **
3 = 30 ppm
4 = 40 ppm
2 = 20 ppm
5 = 50 ppm (Standard)
Frequency Tolerance @ 25C
** Limited to Standard Operating
Temperature Range only, code C.
Operating Temperature Range
(Referenced to 25C reading)
C = -20C to +70C (Standard)
I = -40C to +85C
Operating Temperature Range:
Number
Model
E = 20 pF
B = 13 pF
C = 16 pF
D = 18 pF
A = 10 pF
Load Capacitance
S = Series
J =
9 pF
Model 406
3.5 x 6.0 mm
Ceramic - SM Crystal
CTS
Communications Components, Inc
.
171 Covington Drive
Bloomingdale, IL 60108
630-924-3500
Document No. 008-0260-0
Page 3 of 4
Revision B
Date: Nov. 21, 2003
Dimensions in Inches [MM]
Suggested Pad Geometry
0.055 [ 1.40 ]
0.075 [ 1.90 ]
0.094 [ 2.40 ]
0.173 [ 4.40 ]
MECHANICAL SPECIFICATIONS:
4 Pad Terminations plated with 0.3 to 1.0 m gold (Au).
PRODUCT MARKING:
YWW = Date Code (last digit of year & week number)
xxMxx = Frequency shall be marked with 2 significant digits to the right of the "M".
(
Customer specified codes maximum 6 characters can be marked instead of frequency
)
QUALITY AND RELIABILITY:
Quality Systems meet or exceed the requirements of ISO 9000: 2000 standards.
Reliability Audits are performed on this or similar products with results available upon request.
Inch
( MM )
Key:
0.138 0.008
( 3.50 0.20 )
0.047
0.236 0.008
( 6.00 0.20 )
( 1.20 )
( 3.0 )
0.118
0.059
( 1.5 )
0.059
( 1.50 )
0.039
( 1.0 )
Top View
Bottom View
Max
4
1
3
2
3
2
4
1
CTS YWW
xxMxx
Model 406
3.5 x 6.0 mm
Ceramic - SM Crystal
CTS
Communications Components, Inc
.
171 Covington Drive
Bloomingdale, IL 60108
630-924-3500
Document No. 008-0260-0
Page 4 of 4
Revision B
Date: Nov. 21, 2003
ENVIRONMENTAL SPECIFICATIONS:
Storage Temperature
-55C to +125C in a non-operating condition & no degradation of
performance following such exposure
Temperature Cycle:
400 cycles, -55C to +125C, 10 min dwell, 1 min transfer
Mechanical Shock:
1,500g's, 0.5mS, sine wave, 3 shocks each direction, in 3 planes
Sinusoidal Vibration:
0.06" D.A., 10 to 55 Hz and 20g's, 55 to 2,000 Hz, 3 cycles per plane
Gross Leak:
No leak shall appear while immersed in an FC40 or equivalent liquid
at 125C for 20 seconds
Fine Leak:
Mass spectrometer leak rates less than 2x10
-8
atm.
cc/sec of Helium
Resistance to Soldering Heat:
Product must survive 3 reflows of 260C peak, 10 seconds maximum
High Temperature Operating Bias:
2,000 hours at 125C, disregarding frequency shift
Frequency Aging:
5 ppm shift in 1,000 hours at 85C
Insulation Resistance
500 M @ 100 15VDC
TAPE AND REEL PACKAGING INFORMATION:
Standard packaging quantity shall be 1,000 pieces on a 180mm reel compliant with Standard EIA-481-2
Dimensions in Millimeters
DIRECTION OF FEED
8.0
4.0
1.50
180
60
120
13.5
21.4
6.40
3.91
1.73
12.0
5.50
PDF 
ZIP