Document No. 008-0261-0
Page 2 - 3
Rev. E
CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108
Model 407
7.0x5.0mm Low Cost
Surface Mount Crystal
ELECTRICAL CHARACTERISTICS
PARAMETER
VALUE
Operating Mode (Note 1)
Fundamental or 3rd Overtone
Crystal Cut
AT-Cut
Frequency Range
8.0 MHz to 50.0 MHz
± 30 ppm Standard
(± 10 ppm and ± 20 ppm Available)
Frequency Stability Tolerance
± 50 ppm Standard
(Operating Temperature Range, Referenced to 25°C Reading)
(± 10 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available)
-20°C to +70°C Standard
(-40°C to +85°C Available)
Storage Temperature Range
-55°C to +125°C
Equivalent Series Resistance
See ESR Table
Load Capacitance or Resonance Mode
See Ordering Information
4.0 pF Maximum
(2.5 pF ± 0.5 pF Typical)
Drive Level
25 W Typical, 100 W Maximum
Reflow Condition, per JEDEC J-STD-020
+255°C ± 5°C, 10 Seconds Maximum
E
lec
tr
ic
al
P
ara
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ers
Frequency Tolerance @ 25°C
Operating Temperature Range
EQUIVALENT SERIES RESISTANCE TABLE
FREQUENCY RANGE
MODE of OSCILLATION ESR Maximum
8.000 MHz - 15.999 MHz
Fundamental
60 Ohms
16.000 MHz - 48.000 MHz
Fundamental
40 Ohms
48.001 MHz - 50.000 MHz
3rd Overtone
80 Ohms
Notes:
1. Third overtones as low as 30.000 MHz are available upon request.
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
Inch
( MM )
Key:
0.197 ±0.008
( 5.00 ±0.20 )
0.047
0.276 ±0.008
( 7.00 ±0.20 )
( 1.20 )
( 4.6 )
0.181
0.047
( 1.2 )
0.100
( 2.54 )
Top View
Bottom View
Max
4
1
3
2
3
2
4
1
( 1.0 )
0.039
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.
1. ** - Manufacturing Site Code.
2. YWW – Date Code, Y – Last Digit of Year,
WW – Week.
3. XXMXXXX – Frequency marked with 4
significant digits after the ‘M’.
4. Complete CTS part number, frequency value and
date code information must appear on reel and
box labels.
CTS ** YWW
● XXMXXXX
SUGGESTED SOLDER PAD GEOMETRY
0.252 [6.40]
0.100 [2.54]
0.087 [2.20]
Key:
[mm]
Inch
0.055 [1.40]
12
3
4