MC306 ETC, MC306 Datasheet

MC306

Manufacturer Part Number

MC306

Description

SMALL SMD LOW / MEDIUM-FREQUENCY CRYSTAL UNIT

Manufacturer

ETC

Datasheet

1.MC306.pdf (1 pages)

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MC-306

SMALL SMD LOW / MEDIUM-FREQUENCY

CRYSTAL UNIT

• High-density mounting-type SMD.

• Photolithography finished allows uniform and stable performance.

• Excellent reliability and environmental capability.

• 2.54mm thickness is equal to SMD-type IC.

There are some cases that a parts of the cylindrical capsule of quartz unit expose on the surface of the molding material.

http://www.spezial.cz - - - spezial@spezial.cz - - - Hotlines: Tel (02) 2434 2200 - - - Fax (02) 2434 3200

Nominal frequency

Temperature

range

Maximum drive level

Soldering condition

Frequency tolerance (standard)

Peak temperature (frequency)

Temperature coefficient (frequency)

Load capacitance

Series resistance

Motional capacitance

Shunt capacitance

Insulation resistance

Aging

Shock resistance

Do not connect #2 and #3 to external device.

Specifications (characteristics)

Series resistance

External dimensions

Series resonance

Frequency (kHz)

resistance (Ω)

0.5

32.768k

Item

Storage temperature

Operating temperature

8.0 max.

5.5

571

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Symbol

55K Ω max.

S.R.

20 ≤ f < 30

STG

OPR

SOL

f/f

±20ppm, ±50ppm

±3ppm/Y max.

50 kΩ max.

32.768 kHz

0.9pF typ.

1.8fF typ.

(0.9)

Twice at under 260˚C within 10 sec.

Internal connection

45K Ω max.

30 ≤ f < 40

or under 230˚C within 3 min.

-0.04ppm/ ˚C

-55˚C to +125˚C

1.9

-40˚C to +85˚C

Specifications

500 MΩ min.

±5ppm max.

1.0µW max.

25˚C ±5˚C

6pF to ∞

20.000 kHz to 165.000 kHz

(0.9)

±50ppm, ±100ppm

max.

55 kΩ to 10 kΩ

20K Ω max.

(Unit: mm)

±5ppm/Y max.

2.0pF to 0.6pF

40 ≤ f < 60

4.0fF to 0.6fF

Recommended soldering pattern

15K Ω max.

60 ≤ f < 70

Three drops on a hard board from 75 cm or excitation

test with 3000G x 0.3ms x 1/2 sine wave x 3 directions

1.3

Stored as bare product after unpacking

Ta=25˚C ±3˚C, first year

Ta=25˚C, DL=0.1µW

70 ≤ f < 120

12K Ω max.

As per below table

4.2

Please specify

Remarks

Actual size

www.DataSheet

www.DataSheet4U

1.3

120 ≤ f < 165

10K Ω max.

(Unit: mm)

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