SM Crystal
Low Profile SM Resistance Weld Crystal
The HC49SD series is a miniature AT or BT cut strip resonator
crystal housed in low profile for surface mounting. The parts
present a proven metal package technology with a precision
molded base and universal contact configuration.
HC49SD
RoHS Compliant
Specifications:
Frequency Range:
3.2 MHz ~ 40 MHz Fundamental
20 MHz ~ 70 MHz Overtone
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)
-55°C ~ +125°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
-A
-B
-C
-L
HC49SD
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
-TR
Ordering Information
Product name + CL + Operating Temperature
Range + Tolerance + Stability + Other Code +
Frequency.
i.e. HC49SD-20-C-30-30-F-24.000MHz
Note:
1.
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.
2.
3.
Phone: +86 (10) 5820-3910
©
2010 by Vanlong Technology Co., Ltd.
Fax: +86 (10) 5820-3915
Email: sales@vanlong.com
Web: http://www.vanlong.com
HC49SD
VANLONG [ VANLONG TECHNOLOGY CO., LTD. ]
