FMXMC4S
SERIES
Microprocessor Crystals
Surface Mount Ceramic Pkg.
Miniature 4-Pad / Ultra Thin
High Reliability
Tight Stability
CERAMIC SMD 4x2.5
SPECIFICATIONS
Issue 2 | 07252012
Parameter
Frequency Range
Operation Mode
Load Capacitance (CL)
Frequency Tolerance
Temperature Tolerance
Operating Temperature
Storage Temperature
Equivalent Series Resistance (ESR)
Shunt Capacitance (C0)
Drive Level
Aging @ +25°C
Insulation Resistance
Reflow Conditions
All specifications subject to change without notice.
Specification
12 - 50 MHz
See Operation Mode and ESR Table
18 pF Std, 6 - 60 pF and Series available
±30 ppm @ 25°C Std (See Cal. Tol. for Options)
±50 ppm Std (See Temp. Tol. for Options)
-10 to +60°C Std (See Temp. Range for Options)
-40 to +85°C / -55 to +125°C
See Operation Mode and ESR Table
7 pF max
10 µW typical, 300 µW max
±3 ppm typical; ±5 ppm per year max
500MΩ min at 100V
DC
±15V
+260ºC ±10ºC for 10 sec max 2 reflows max
4x2.5 CERAMIC SMD
OPERATION MODE AND ESR TABLE
Frequency (MHz)
12.0 - 19.9
20.0 - 23.9
24.0 - 50.0
Mode
Fundamental
Fundamental
Fundamental
Max. ESR (Ohms)
80
50
40
STANDARD MARKING
XXX.XXXM
XXXXXXX
FMI YYWW
XXX.XXXM FREQUENCY in MHz
XXXXXXX Part Number
FMI, Date Code
Recommended Solder Pad Layout
NOTE: Standard Specifications for product indicated in
color
Dimensions:
Inches
(mm)
PART DESCRIPTION SYSTEM
MARKING: See Page 52, Format A
FMXM C4S 1 18 H J A - XX.XXXXXXM - CM
Product Family
MicroP Crystal
Package
Ceramic SMD
4x2.5mm, 4 pad
Mode
1 - Fundamental
Load Cap. (CL)
18 - Standard (pF)
00 - Series
XX - Custom (pF)
Cal. Tol. @ 25°C
D ±10 ppm
F ±20 ppm
H ±30 ppm
J ±50 ppm
K ±100 ppm
X Custom
Frequency (MHz)
Temp. Range
A 0 to 70 °C
B -20 to 70 °C
C -40 to 85 °C
D -10 to 50 °C
E -10 to 60 °C
F -30 to 60 °C
J 0 to 50 °C
X Custom
Options
TR - Tape & Reel
PD - Parameter Data
TD - Temp. Data
TG - Temp. Grading
CM - Custom Mark
BLANK - None Req’d.
Temp. Tol.
D ±10 ppm
F ±20 ppm
H ±30 ppm
J ±50 ppm
K ±100 ppm
X Custom
1-800-800-XTAL
[9825]
www.fmi-inc.com
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