SM Crystal

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Fax: +86 10 6301 9167

Email: sales@vanlong.com

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© 2004 by Vanlong Technology Co., Ltd.

HC49SD

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.

Specifications:

HC-49SD

Frequency Range:

3.2 MHz ~ 40 MHz Fundamental

20 MHz ~ 70 MHz Overtone

Operating Temperature:

0

°C ~ +50°C

-A

-10

°C ~ +60°C

-B

-20

°C ~ +70°C

-C

-40

°C ~ +85°C

-L

Storage Temperature:

-55

°C ~ +125°C

Frequency Tolerance:

± 50 ppm

-50

(at 25

°C)

± 30 ppm

-30

± 20 ppm

-20

± 10 ppm

-10

Frequency Stability:

± 50 ppm

-50

(over temperature range)

± 30 ppm

-30

± 20 ppm

-20

± 10 ppm

-10

Circuit Condition:

10 pF ~ 32 pF or series

Equivalent Series Resistance:

Maximum resistance

corresponds to frequency.

Please see ESR table.

Drive Level:

1.0 mW max

All dimensions are in mm

Shunt Capacitance:

7 pF max

Ordering Information

Aging:

± 5 ppm max per year

Optional Features:

Fundamental

-F

3

-3,5,7

Tape & Reel

-TR

Note:

1.

Other frequencies, tolerances, stabilities, and operating temperature ranges

available. Consult VTC Support for specific requirements.

2.

Not all combinations of the above tolerances, stabilities, and temperature ranges

are available. Consult VTC Support if your requirement is not standard.

3.

All specifications subject to change without notice.

Product name + CL + Operating Temperature

Range + Tolerance + Stability + Other Code +

Frequency.

i.e. HC49SD-20-C-30-30-F-24.000MHz

HC49SD