ELECTRONICS
XH Model
Surface Mount HC 49S
3.5 to 80 MHz
Quartz Crystals
Surface Mount
XHA (Standard)
XHB (Special Option)
Features
Low profile
Resistance Weld Package with insulator for SMD
Wide Frequency & Stability Options
IR Reflow Assembly Compatibility
Applications:
Mobile & Wireless Equipment
Datacom Hubs/Switches/Routers
Telecom Switching & Computers
TCXO - VCXO -PLL -Synthesizer
Specifications
Frequency:
Tolerance
Stability vs Temp
Aging
Shunt Capacitance
Drive Level
Temperatures
Fundamental Range
3rd Overtone Range:
10 to 50 ppm
20 to 50 ppm
5 ppm per year, max.
7 pf max
10 uW to 1mW
3.5-30Mhz
30-80 Mhz
TE
h
13.5 max
12 max
1.0
4.7
LE
ESR, max.
Ohms
90
80
70
Frequency
(MHz)
15-15.999
16-23.999
24.0-30.0
Dimensions are in mm
Storage from -40 to +85 Deg C
4.0/5.0
XH HC-49S SMD Metal Can
ESR, max.
Ohms
60
50
40
Equivalent Series Resistance - Fundamental
Frequency
(MHz)
3.5-3.999
4.0-5.999
6.0-7.999
ESR, max
Ohms
200
150
120
Frequency
(MHz)
Equivalent Series Resistance - Overtone
Frequency
(MHz)
30.0-80.0
ESR, max.
(Ohms)
100
O
Part Numbering Description
BS
XHA- 18-
F-
Load
18=18pf
16=16pf
S=Series
15=15pf
32=32pf
Mode
F=Fundamental
T=3rd OT
(Example: XHA-18-F-30-A-A-9.8304-T)
O
8.0-8.999
9-9.999
10-14.999
30-
Tolerance
@ 25 C
50=50ppm
30=30ppm
15=15ppm
10=10ppm
A-
Stability
Ref 25 C
A=50ppm
B=30ppm
C=20ppm
A- 9.8304- T
Temperature
Range
A= -10 to 60 C
B= -20 to 70 C
C= -40 to 85 C
Frequency in
MHz
Packaging
T=Tape & Reel
B=Bulk
Model
XHA=HC49S
Height=4.4mm
(Standard)
XHB=HC49S
Height=3.2 mm
(Special Option)
ELECTRONICS
10 Commerce Drive, New Rochelle, NY10801
•
914-712-2200
•
Fax: 914-576-6204
•
http://www.mfelectronics.com
•
email:sales@mfelectronics.com
Rev_B1208
DSP 与 ARM 处理器