Datasheet > CM250C

CM250C

更新时间： 2024-10-14 09:26:39

品牌	Logo	应用领域
CITIZEN		晶体
页数	文件大小	规格书
1页	78K
描述
TUNING FORK CRYSTAL UNITS (SMD ? Plastic Package)

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中文翻译

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数据手册

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CM250C 数据手册

TUNING FORK CRYSTAL UNITS (SMD • Plastic Package)

RoHS compliant

CM200C CM250C

3000pcs/reel

■ FEATURES

7Molding a heat resistant cylinder with resin.

7Most appropriate for clock source for portable

equipment with low power consumption.

Life-size

■ DIMENSION [mm]

7.9±0.1

■ SOLDER PAD LAYOUT [mm]

Internal connection

1.3

4.2

1.3

（1.25）

5.5±0.5

（1.25）

0.5

7 Do not connect to external with #2 and #3

■ STANDARD SPECIFICATIONS

Model

CM200C

CM250C

30kHz～100kHz

±30ppm

Conditions

Need to contact us for

the available frequency in CM250C

Item

Nominal Frequency

△ f/f0

32.768kHz

Frequency Tolerance

Load capacitance

±20ppm

at 25˚C

Need to specify your requirement

12.5pF

Operating Temperature Range

Storage Temperature Range

Turnover Temperature

Temperature Coefficient

Motional (series) resistance

Level of drive

TOPR

TSTR

－40℃～＋85℃

－55℃～＋125℃

25℃±5℃

－0.034±0.006ppm/℃

50KΩMax.

at 25˚C

1μW Max.

Aging (first year)

△ f/f0

±3ppm Max.

1.35pF Typ.

±5ppm Max.

25℃±3℃

Depend on frequency

Shunt capacitance

0.8pF ～ 1.7pF Typ.

http://cfm.citizen.co.jp/english/product/pr02.html

中文翻译

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