30

Crystal unit

Specifications (characteristics)

Recommended soldering pattern

External dimensions

Series resistance

(Unit: mm)

(Unit: mm)

#4

#3

#1

2.54

2.54

1.09

1.09

3.30

#2

13.46 Max.

12.70

20.000M

5251A

E

Internal connection in MA-505

Internal connection in MA-506

#4

#3

#1

#2

#4

#3

#1

#2

Do not connect #2 and #3 of MA-506 to external device.

The first digit of lot No. means:

5XXXX

MA-505

6XXXX

MA-506

4.1

7.0

4.1

4.1

7.0

4.1

MA-506

MA-505

SMD HIGH-FREQUENCY CRYSTAL UNIT

MA-505/506

• High-density mounting-type SMD.

• Excellent heat-resistance and environment capability.

• Capable of covering a wide range of frequency range from 4.0 MHz to 64 MHz.

Item

Nominal frequency range

Temperature

range

Drive level

Frequency tolerance (standard)

Frequency temperature characteristics

(standard)

Load capacitance

Series resistance

Shunt capacitance

Insulation resistance

Aging

Shock resistance

Symbol

f

GL

DL

∆f/f

IR

fa

S. R.

Specifications

4.000 MHz to 29.999 MHz

∗1

30.000 MHz to 64.000 MHz

∗2

-55 °C to +125 °C

-20 °C to +70 °C

2 mW Max.

10 µW to 100 µW

Fundamental: 10 pF to

∞. Over tone: 5 pF to ∞

As per below table

5 pF Max.

500 M

Ω Min.

Remarks

Fundamental mode

3rd overtone mode

Stored as bare product after unpacking

Please contact us on availability of -40 °C to +85 °C

Only crystal oscillation is guaranteed

Ta=+25 °C±3 °C, DL=100 µW

-20 °C to +70 °C, DL=100 µW

Please specify

-20 °C to +70 °C, DL=100 µW

Ta=+25 °C±3 °C, first year

Three drops on a hard board from 750 mm or excitation test

∗1 8.0 MHz < f < 8.2 MHz: Unavailable.

4.0 MHz

f < 5.5MHz : See "Available frequencies from 4.0 MHz to less than 5.5 MHz" on page 22.

<

=

Frequency (MHz)

Series resistance (

Ω)

Oscillation mode

4.0

≤ f < 5.5

150

Ω Max.

5.5

≤ f < 6.0

100

Ω Max.

6.0

≤ f < 10.0

80

Ω Max.

10.0

≤ f < 12.0

60

Ω Max.

12.0

≤ f < 16.0

50

Ω Max.

16.0

≤ f < 30.0

40

Ω Max.

26.0

≤ f ≤ 36.0

100

Ω Max.

36.0 < f

≤ 64.0

80

Ω Max.

3rd overtone mode

Fundamental mode

Storage temperature

Operating temperature

Maximum drive level

Recommended drive level

Actual size

Products number

Q22MA5 0 5 x x x x x 0 0

Q22MA5 0 6 x x x x x 0 0