Datasheet > MC-40532.768K-F0

MC-40532.768K-F0

更新时间： 2024-11-14 10:48:39

品牌	Logo	应用领域
精工 - SEIKO		/
页数	文件大小	规格书
4页	199K
描述
QUARTZ CRYSTAL RESONATOR, 0.032768 MHz

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数据手册

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MC-40532.768K-F0 数据手册

Crystal unit

SMD LOW/MEDIUM-FREQUENCY CRYSTAL UNIT

MC-405/MC-406

• High-density mounting- type SMD.

• Photolithography finished allows uniform, stable performance.

• Excellent shock resistance and environmental capability.

• Capable of covering low-frequency range from 20 kHz to 165 kHz.

• Suitable for time keeping of clock and microcomputer.

Actual size

Specifications (characteristics)

Specifications

Symbol

Remarks

Item

Nominal frequency range

32.768 kHz

20.000 kHz to 165.000 kHz 307.2 kHz

-55˚C to +125˚C

-40˚C to +85˚C

1.0µW max.

Stored as bare product after unpacking

T^STG

TOPR

Storage temperature

Temperature range

Operating temperature

Maximum drive level

Soldering condition

Twice at under 260˚C within 10 sec. or under 230˚C within 3 min.

T^SOL

Frequency tolerance (standard)

Turnover temperature (frequency)

Temperature coefficient (frequency)

Load capacitance

±20ppm, ±50ppm

±50ppm, ±100ppm (307.2 kHz: ±100ppm)

∆f/f

θT

Ta=25˚C, DL=0.1µW

25˚C ±5˚C

-0.04ppm/˚C max.

C^L

Please specify

6pF to ∞

Series resistance

50 kΩ max.

2.0fF typ.

55 kΩ to 6 kΩ

4.0fF to 0.6fF

2.0pF to 0.6pF

For details, refer to 15

Motion capacitance

Shunt capacitance

0.85pF typ.

Insulation resistance

Aging

500 MΩ min.

±3ppm/year max.

±5ppm/year max.

Ta=25˚C±3˚C, first year

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

Shock resistance

S.R.

±5ppm max.

(Unit: mm)

External dimensions

Recommended soldering pattern

Internal connection in MC-405

MC-405

32.768k

E 6571A

Internal connection in MC-406

9.6

10.41 max.

4.1

3.9

4.1

MC-406

2.54

2.29

0.51

4.1

3.9

4.1

Do not connect #2 and #3 of MC-406 to external device.

5XXXX MC-405

6XXXX MC-406

The first digit of No. means:

12 3 4

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