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Technical Drawing

Specification

Vibration Mode:

fundamental / third overtone / fifth overtone

Frequency Tolerance at 25℃:

?0ppm ~ ?0ppm

Loading Capacitance:

10pF~ 32pF or series

Shunt Capacitance:

7.0pF max.

Equivalent Series Resistance:

see Resistance Table

Frequency vs. Operating Temp:

see Frequency vs Operating Temp Table

Drive Level:

10 μ W~ 1000 μ W

Insulation Resistance:

500MΩmin / DC 160V

Storage Temperature Range:

-40℃~+85℃

Shock:

    f/f = ?ppm withstand half sine wave in each 3 directions

  under 100G, 5msec

Vibration:

    f/f = ?ppm withstand each 1 hour in 3 directions under 1~2

  min. of 10~55Hz, amplitude 0.7~0.9mm (peak to peak vibration)

Leak

1 x 10^-7Torr. 1/sec max

Resistance Table (ESR)

Frequency Range(MHz):

HC-49U

HC-49T

HC-49S

HC49S-SMD3L

Vibration mode

1.800+ ~2.000

700

800

1200

1200

fundamental

2.000+ ~ 3.000

500

600

1000

1000

fundamental

3.000+ ~ 3.200

300

400

600

600

fundamental

3.200+ ~ 4.000

150

200

180

180

fundamental

4.000+ ~ 4.500

90

150

150

150

fundamental

4.500+ ~ 5.000

70

80

120

120

fundamental

5.000+ ~ 7.000

50

60

100

100

fundamental

7.000+ ~ 10.000

35

40

90

90

fundamental

10.000+ ~ 20.000

25

25

70

70

fundamental

20.000+ ~ 25.000

45

50

120

120

third overtone

25.000+ ~ 70.000

40

40

100

100

third overtone

70.000+ ~ 160.000

70

70

-

-

fifth overtone

Frequency vs Operating Temp Table

PPM

?.5

?

?0

?5

?0

?0

?0

Temp(℃)

　

　

　

　

　

　

0 ~ +50

＊

＊

＊

＊

＊

＊

＊

-10 ~ +60

＊

＊

＊

＊

＊

＊

-20 ~ +70

＊

＊

＊

＊

＊

-30 ~ +80

　

＊

＊

＊

＊

-40 ~ +85

　

　

＊

＊

＊

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[Technical Drawing]