FMXMB
SERIES
Thru-hole Crystals
Low Profile
Thru-Hole Package
Multiple Package Heights
Low Cost
HC-49/US
SPECIFICATIONS
Issue 6 - 10182012
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 - 90 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.
50 uW typical, 1 mW max.
±5 ppm per year max.
HC-49/US
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 - 70.000
MODE
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3
rd
Overtone
MAX ESR (Ohms)
180
100
70
60
40
120
DIMENSION “H” TABLE
STANDARD MARKING
FMI XX.XXX
XX.XXX FREQUENCY in MHz
Package
B1
B2
B3
Max. Height
0.161” (4.1mm)
0.126” (3.2mm)
0.118” (3.0mm)
NOTE: Standard Specifications for product indicated in
color
Dimensions:
Inches
(mm)
PART DESCRIPTION SYSTEM
MARKING: See Page 52, Format A
FMXM B1 1 18 H J A - XX.XXXXXXM - CM
Product Family
Crystal
Package
B1,
B2 or B3
Mode
1 - Fundamental
3 - 3rd Overtone
Load Cap. (CL)
18 - Standard (pF)
00 - Series
## - Custom (pF)
Cal.
D
E
F
G
H
I
J
X
Tol. @ 25°C
±10 ppm
±15 ppm
±20 ppm
±25 ppm
±30 ppm
±40 ppm
±50 ppm
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
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
BI - Base Insulator
LT - Lead Trimming
LF - Lead Forming
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
11
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