HC-49/U-S14318180ABJB [CITIZEN]

CRYSTAL 14.31818MHZ 18PF T/H;


型号：	HC-49/U-S14318180ABJB
厂家：	CITIZEN ELECTRONICS CO., LTD.
描述：	CRYSTAL 14.31818MHZ 18PF T/H
文件：	总2页 (文件大小：134K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

AT-CUT CRYSTAL UNIT (Metal-can Type)

RoHS compliant

HC-49/U-S

■ FEATURES

● Frequency range : 3.5 ～ 50.0MHｚ

● External dimensions (mm)

ꢀ L : 11.5 x W : 4.66 x H : 3.5

● Applications

ꢀꢀConsumer products

■ DIMENSION [mm]

■ STANDARD SPECIFICATIONS

Model

HC-49/U-S

3.5MHz ～ 30.0MHz (Fundamental)

30.0MHz ～ 50.0MHz (3rd Overtone)

Conditions

Please contact us for

frequencies available

Item

Nominal Frequency

Frequency Tolerance

Δf/f

±30ppm

at 25˚C

Frequency Tolerance over

Operating Temperature Range

below 6.0MHz:±50ppm

above 6.0MHz:±30ppm

-10℃～+60℃

Operating Temperature Range

Storage Temperature Range

Motional (series) resistance

OPR

STR

-20℃ ～ +70℃

-40℃ ～ +85℃

Refer to the following table

at 25˚C

Fundamental:10.0pF ～ ∞

3rd Overtone:5.0pF ～ ∞

Load capacitance

Please specify your requirement

Shunt capacitance

Level of drive

7.0pF Max.

100μW

Insulation Resistance

Aging (first year)

500MΩMin.

±5ppm Max.

DC100V±15V

25℃±3℃

Δf/f

■ MOTIONAL (SERIES) RESISTANCE (R )

Freq. Range (MHz)

Mode

3.5≦f

＜4.0

4.0≦f

＜6.0

6.0≦f0＜10.0 10.0≦f0＜14.0 14.0≦f0＜30.0 30.0≦f0＜36.0 36.0≦f0≦50.0

Fundamental

200ΩMax.

Fundamental

150ΩMax.

Fundamental

100ΩMax.

Fundamental

80ΩMax.

Fundamental

50ΩMax.

3rd Overtone

140ΩMax.

3rd Overtone

100ΩMax.

http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html

■ PART NUMBERING SYSTEM

HC-49/U-S

20000000

A B J B - □□□

Frequency Tolerance

（at 25℃)

Frequency Tolerance over

Operating Temp. Range

CITIZEN

management code

Frequency

Load capacitance (CL)

16.0pF

18.0pF

20.0pF

±30ppm

Range -10℃ ～ +60℃

Please specify

the frequency

in Hz.

±30ppm ^(STD)

±50ppm (STD)

Ref. Code for

internal use.

±50ppm

Range -10℃ ～ +60℃

±50ppm

Range -40℃ ～ +85℃

Package specification

±100ppm

Range -40℃ ～ +85℃

Bulk (STD)

Ammo pack

*Please contact us for specifications available.

■ Part Marking [standard]

ffffCym

f : The first 4 digits of Frequency

including the decimal point

C : Manufacture's ID Code

y : The last digit of production year

m : Production month (See Table.1)

Table.1

Month

Code

Jan Feb

…

Sep Oct Nov Dec

■ Taping dimension : 2,000pcs/Ammo pack [mm]

Product specifications are subject to change without notice.

Rev.2

http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html

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