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

3.500MHZHC49/3W/50/20/30/30PF/ATF

产品描述Parallel - Fundamental Quartz Crystal, 3.5MHz 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

3.500MHZHC49/3W/50/20/30/30PF/ATF概述

Parallel - Fundamental Quartz Crystal, 3.5MHz Nom, RESISTANCE WELDED, HERMATIC SEALED PACKAGE-3

3.500MHZHC49/3W/50/20/30/30PF/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30 pF
安装特点THROUGH HOLE MOUNT
标称工作频率3.5 MHz
最高工作温度80 °C
最低工作温度-30 °C
物理尺寸L11.5XB4.9XH13.6 (mm)/L0.453XB0.193XH0.535 (inch)
串联电阻150 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
fsmc产生的ECC,怎么使用才能确定错误数据行列地址呢
看了an2784,没看明白, 奇偶检验值…… P16 P8 P4 P2 P1 XOR的运算结果……位9 位8 位7 位6 位5 位4位3位2位1 位0 ●如果每一个Px的值都是’00’,则表示没有错误。 ●如 ......
初五的月光 stm32/stm8
nh12864m基于st7902驱动的LCD液晶显示
有没有高手指导,我用了一个nh12864m基于st7902驱动的LCD液晶显示,用的是并口方式,程序用了N个,可就是不显示,而且一点反应都没有,请高手帮指导一下! 管定义如下:(1(VSS)2( ......
99189 单片机
让我来告诉你,为什么要进行傅立叶变换(一)
一、傅立叶变换的由来 关于傅立叶变换,无论是书本还是在网上可以很容易找到关于傅立叶变换的描述,但是大都是些故弄玄虚的文章,太过抽象,尽是一些让人看了就望而生畏的公式的罗列,让 ......
季夏木槿 DSP 与 ARM 处理器
别傻了(8):休病假、产假是理所应当的
休了病假或产假吗?你需要注意了        病假和产假是一个很好的福利制度,最近发现公司里怀孕的人比较多,大多数人认为法定的“病假或产假”是严格受法律保护的权利,但是你一定要注意 ......
Lazy_Boy 工作这点儿事
MSP430G2333下载程序问题
最近有项目要用到msp430G2333,想用launchpad上面的板载仿真器给他下程序, 208858 208859 具体是把Test连到G2333的17脚,RST连到G2333的16脚,不过貌似下载不成功,不知道是怎么回 ......
樊旭超 微控制器 MCU
433和315无线模块的软件编解码遥控程序
433和315无线模块的软件编解码遥控程序...
用心思考 51单片机

 
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: 1685  1538  1666  1139  1821  34  31  23  37  7 

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