
Document No. 008-0261-0
Page 2 - 3
Rev. E
CTS Electronic Components, Inc. 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
met
ers
Frequency Tolerance @ 25°C
Operating Temperature Range
Shunt Capacitance (C0)
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