Leaded Crystal
Miniature Resistance Weld Crystal
The HC49U series is an industry AT-cut crystal housed in a
MIL standard HC49U package.
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•
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HC49U
RoHS Compliant
AT-cut performance
Low cost for volume applications
Tight specifications available
Wide frequency range available
Complies with Directive 2002/95/EC (RoHS Compliant)
Specifications:
Frequency Range:
1.8432 MHz ~ 40 MHz
23 MHz ~ 200 MHz
Operating Temperature:
0°C ~ +50°C
-10°C ~ +60°C
-20°C ~ +70°C
-40°C ~ +85°C
Storage Temperature:
Frequency Tolerance:
(at 25°C)
-40°C ~ +85°C
±
50 ppm
±
30 ppm
±
20 ppm
±
10 ppm
Frequency Stability:
(over temperature range)
±
50 ppm
±
30 ppm
±
20 ppm
±
10 ppm
Circuit Condition:
Equivalent Series Resistance:
-50
-30
-20
-10
-50
-30
-20
-10
Fundamental
Overtone
-A
-B
-C
-L
HC-49/U
10 pF ~ 32 pF or series
Maximum resistance corresponds
to frequency. Please see ESR
table.
All dimensions are in mm
Drive Level:
Shunt Capacitance:
Aging:
Optional Features:
1.0 mW max
7 pF max
±
5 ppm max per year
Fundamental
3
rd
,5
th
,7
th
O.T.
Tape & Reel
-F
-3,5,7
-T
Ordering Information
Product name + CL + Operating Temperature
Range + Tolerance + Stability + Other Code +
Frequency.
i.e. HC49U-20-C-30-30-F-24.000MHz
Note:
1.
2.
3.
Other frequencies, tolerances, stabilities, and operating temperature ranges available. Consult
VTC Support for specific requirements.
Not all combinations of the above tolerances, stabilities, and temperature ranges are available.
Consult VTC Support if your requirement is not standard.
All specifications subject to change without notice.
Phone: +86 (10) 5820-3910
©
2006 by Vanlong Technology Co., Ltd.
Fax: +86 (10) 5820-3915
Email: sales@vanlong.com
Web: http://www.vanlong.com
HC49U
VANLONG [ VANLONG TECHNOLOGY CO., LTD. ]
