电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

4.000MHZHC49/T/3W/50/20/20/8PF/ATF

产品描述Parallel - Fundamental Quartz Crystal, 4MHz Nom, RESISTANCE WELDED, HERMATIC SEALED PACKAGE-3
产品类别无源元件    晶体/谐振器   
文件大小156KB,共1页
制造商Euroquartz
官网地址http://www.euroquartz.co.uk/
标准
下载文档 详细参数 全文预览

4.000MHZHC49/T/3W/50/20/20/8PF/ATF概述

Parallel - Fundamental Quartz Crystal, 4MHz Nom, RESISTANCE WELDED, HERMATIC SEALED PACKAGE-3

4.000MHZHC49/T/3W/50/20/20/8PF/ATF规格参数

参数名称属性值
是否无铅不含铅
是否Rohs认证符合
厂商名称Euroquartz
包装说明RESISTANCE WELDED, HERMATIC SEALED PACKAGE-3
Reach Compliance Codecompliant
老化3 PPM/FIRST YEAR
晶体/谐振器类型PARALLEL - FUNDAMENTAL
驱动电平1000 µW
频率稳定性0.002%
频率容差50 ppm
负载电容8 pF
安装特点THROUGH HOLE MOUNT
标称工作频率4 MHz
最高工作温度70 °C
最低工作温度-20 °C
物理尺寸L11.5XB4.9XH11.2 (mm)/L0.453XB0.193XH0.441 (inch)
串联电阻100 Ω
表面贴装NO
Base Number Matches1

文档预览

下载PDF文档
THROUGH-HOLE CRYSTALS
HC49 SERIES CRYSTALS
DESCRIPTION
HC49 crystals are a long-established industry-standard part. Basic
specification HC49 crystals provide the lowest cost crystal available but
these crystals can also be manufactured to very close tolerances and low
ESR values. Holder variants are HC49/T (truncated), providing a lower
height version, 3-wire versions where the crystal base and body can be
earthed by a centre earth wire and HC50 which has larger diameter leads
specifically for socket mounting.
OUTLINES & DIMENSIONS
FEATURES
·
·
·
·
·
·
Very low cost crystal
Available with close tolerances
Fully customisable specification
Comprehensive Euroquartz stockholding
Industry-standard package with options
Very wide frequency range
GENERAL SPECIFICATION
Frequency Range:
Calibration Tolerance at 25ºC:
Frequency stability over temp:
Load Capacitance:
Ageing:
Drive level:
Static capacitance (C0):
Holder:
Part Numbers for Holder Variants *
Holder Type
Standard 2 lead:
Low height versions:
Centre Earth Lead:
Centre Earth Lead (Low):
‘Plug-in’ for use in socket:
Holder Designation
HC49
HC49/T (from 4.0MHz)
HC49/3W
HC49/T/3W (from 4.0MHz)
HC-50
1.0MHz to 250.0MHz
from ±3ppm to ±50ppm
from ±3ppm to ±100ppm
8pF to 50pF, or Series
±3ppm max 1st year,
±1ppm max per year after
1mW max
7pF max
Resistance-weld, hermetic seal
* HC49 crystals are also available for surface-mount applications with
formed leads and fitted with a clip. See ‘49MJ’ in the surface-mount
crystal section on Euroquartz website; www.euroquartz.co.uk
OSCILLATION MODE & ESR
Frequency
(MHz)
1.0 ~ 1.3
2.01 ~ 3.0
3.01 ~ 3.2
3.21 ~ 3.5
3.51 ~ 3.9
3.91 ~ 5.0
5.01 ~ 7.0
7.01 ~ 10.0
10.0 ~ 30.0
30.1 ~ 45
24.0 ~ 100
80.0 ~ 160
110 ~ 250
Crystal Cut/
Oscillation Mode
SL Fund.
AT Fund.
AT Fund.
AT Fund.
AT Fund
AT Fund.
AT Fund.
AT Fund.
AT Fund.
AT Fund.
AT 3
rd
OT
AT 5th OT
AT 7th OT
ESR (max)
(Ohms)
5000
400
200
150
120
100
50
35
25
20
40
70
120
FREQUENCY STABILITY OVER TEMPERATURE
Operating
Temp. °C
0° to +50°
-10° to +60°
-20° to +70°
-30° to +80°
-40° to +90°
-55° to +105°
Temperature Stability (ppm)
±3
ü
ü
X
X
X
X
±5
ü
ü
ü
X
X
X
±7.5
ü
ü
ü
X
X
X
±10
ü
ü
ü
ü
X
X
±15
ü
ü
ü
ü
ü
X
±20
ü
ü
ü
ü
ü
ü
±30
ü
ü
ü
ü
ü
ü
PART NUMBER GENERATION
HC49 crystal part numbers are derived as follows:
ü
Indicates this stability is available over the stated operating temp. range
Example:
16.000MHz HC49/30/50/10/30pF/ATF
Frequency/Holder/Calibration/Temp. Stability/ Temp. Range/Circuit
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 1460 230000 Fax: +44 1460 230001 email: info@euroquartz.co.uk web: www.euroquartz.co.uk
给中年工程师的忠告<转>
几年前写了《给年轻工程师的十大忠告》系列文章,不知不觉自己已经步入中年。做了十几年工程师,酸甜苦辣、百感交集,感觉中中年工程师命运更为令人忧虑。因此想写篇《给中年工程师的忠告》,算 ......
new_sun 工作这点儿事
DSP与单片机各自优势与比较
DSP与单片机各自优势与比较 1, DSP是单片机的一个分支。它有专门的FFT算法需要的特殊指令,流水线指令处理。能以较高的速度进行运算。我们可以根据需要选用他。如果你作一个遥控器,选用他就没 ......
sdjntl DSP 与 ARM 处理器
ADUC8xx单片机程序读取与下载
WSD下载工具好像只能下载程序,需要读取Flash中程序有什么方法?...
超级密码 ADI 工业技术
LED分类
1、 按发光管发光颜色分  按发光管发光颜色分,可分成红色、橙色、绿色(又细分黄绿、标准绿和纯绿)、蓝光等。另外,有的发光二极管中包含二种或三种颜色的芯片。  根据发光二极管出光处掺 ......
探路者 LED专区
争论-女士到底适不适合搞研发
补充一下,这儿的研发主要是指硬件设计工程师和软件设计工程师, 以前的设计组有个女孩,本科毕业的,貌视很能干,头儿让它做个总督导,就是跟踪研发进度,并做好资料的归档工作,硬件组和软 ......
古道热肠MP3 聊聊、笑笑、闹闹
利用升压三极管获取功率
我们都知道一个原理:三极管输出的功率,随输出电压不同,输出功率不同,电压越高,功率越大。 三极管是靠载流子的运动来工作的,以 npn管射极跟随器为例,当基极加不加电压时,基区和发射 ......
Jacktang 模拟与混合信号

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 2366  2582  2005  2006  949  23  44  59  31  18 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved