FMXMBS
SERIES
SMD Crystals
Surface Mount
Low Profile Packages
Low Cost
Tight Stability
HC-49/US SMD
SPECIFICATIONS
08 - Issue 3 - 041508
HC-49/US SMD
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
All specifications subject to change without notice.
Specification
3.2 - 70 MHz
See Operation Mode and ESR Table
18 pF Std., 8 - 60 pF and Series available
±30 ppm @ 25°C Std. (See Cal. Tol. for Options)
±50 ppm Std. (See Temp. Tol. for Options)
0 to +70°C Std. (See Temp. Range for Options)
-55 to +125°C
See Operation Mode and ESR Table
7 pF max.
1 mW max, 100µW Correletion
±5 ppm per year max.
OPERATION MODE AND ESR TABLE
Frequency (MHz)
3.200 - 5.999
6.000 - 7.999
8.000 - 9.999
10.00 - 14.99
15.000 - 40.000
27.000 - 70.00
MODE
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone
MAX ESR (Ohms)
180
100
70
60
40
120
Recommended Land Pattern
STANDARD MARKING
DIMENSION “H” TABLE
FMI XX.XXX
XX.XXX FREQUENCY in MHz
Package
BS1
BS2
BS3
Max. Height
0.161” (4.1mm)
0.126” (3.2mm)
0.118” (3.0mm)
Dimensions: Inches
(mm)
NOTE: Standard Specifications for product indicated in
color
PART DESCRIPTION SYSTEM
FMXM BS1 1 18 H J A - XX.XXXXXXM - CM
Product Family
SMD Crystal
Package
BS1,
BS2 or BS3
Mode
1 - Fundamental
3 - 3rd Overtone
Load Cap. (CL)
18 - Standard (pF)
00 - Series
XX - Custom (pF)
Frequency (MHz)
Cal. Tol. @ 25°C
D ±10 ppm
E ±15 ppm
F ±20 ppm
G ±25 ppm
H ±30 ppm
I ±40 ppm
J ±50 ppm
X Custom
*Temp. Tol.
D ±10 ppm
E ±15 ppm
F ±20 ppm
G ±25 ppm
H ±30 ppm
I ±40 ppm
J ± 50 ppm
X Custom
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
CM - Custom Mark
BLANK - None Req’d.
**Check with us for availability.
* -55°C TO +125°C Available, Limited Stability Options,
please consult the factory.
1-800-800-XTAL
[9825]
www.fmi-inc.com
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