Frequency Stability

See Table 2

Aging

△

F / F : ±3 ppm / year ( max. )

Series or Parallel ( 8 to 32 pF ) resonance

Drive Level

10μ W typica ( 100μ W max. )

Frequency Tolerance

± 5 ppm , ± 10 ppm , ± 20 ppm or ± 30 ppm at 25°C

Specifications

General Specifications

Outline Dimensions ( Unit : mm )

Item / Type

3.2.000 ~ 48.000 MHz , AT-cut , Fundamental Mode ( see Table 1 )

27.000 ~ 70.000 MHz , AT-cut , 3rd overtone ( see Table 1 )

Frequency Range & Crystal Cut

24.000 ~ 48.000 MHz , BT-cut , Fundamental Mode ( see Table 1 )

Load Capacitance

●

High frequency fundamental mode is available in BT-cut

●

Withstands solder reflow and is available in EIA-481A tape and ree .l

●

Lowest cost among all Mercury SMD crystals

●

AT-strip crystal inside. Optimized for low spurious.

Freq.(MHz)

Osc. Mode

E.S.R.

ESR ( Equivalent Series Resistance )

Storage Temperature Range

- 50°C to 105°C

Table 1

■

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Freq.(MHz)

Osc. Mode

E.S.R.

3.2 ~ 3.4

AT , Fund.

300 Ω

24.0 ~ 48.0

BT , Fund.

40 Ω

100 Ω

3.5 ~ 6.0

AT , Fund.

120 Ω

27.0 ~ 30.0

AT , Fund.

60 Ω

30.1 ~ 50.0

AT , 3rd

AT , 3rd

80 Ω

AT , 3rd

150 Ω

10.1 ~ 30.0

AT , Fund.

40 Ω

50.1 ~ 70.0

6.1 ~ 10.0

± 30

I

○○○○

-40 to 85°C

± 10

± 15

± 20

± 25

-20 to 70°C

▲○○○○

-10 to 60°C

○○

Frequency stability Vs Operating temperature range

Table 2

○

: available ; ▲ : contact Mercury

Temp. (ºC) \ ppm

Stability code

X

Y

○○

○

Surface Mount Crystals

Fund.

3rd O.T.

Features

M49

[ 12.4 * 4.5 * 4.0 mm ]

ML49

[ 12.4 * 4.5 * 3.0 mm ]

Min.

Max.

3.2MHz

70MHz