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

QESM49H2110DO102008.000MHZ

产品描述Parallel - Fundamental Quartz Crystal, 8MHz Nom, HC49, SMD, 2 PIN
产品类别无源元件    晶体/谐振器   
文件大小375KB,共5页
制造商Rakon Limited
标准
下载文档 详细参数 全文预览

QESM49H2110DO102008.000MHZ概述

Parallel - Fundamental Quartz Crystal, 8MHz Nom, HC49, SMD, 2 PIN

QESM49H2110DO102008.000MHZ规格参数

参数名称属性值
是否Rohs认证符合
Objectid145207469135
包装说明HC49, SMD, 2 PIN
Reach Compliance Codeunknown
其他特性AT CUT
老化5 PPM/FIRST YEAR
晶体/谐振器类型PARALLEL - FUNDAMENTAL
驱动电平100 µW
频率稳定性0.001%
频率容差10 ppm
负载电容20 pF
安装特点SURFACE MOUNT
标称工作频率8 MHz
最高工作温度60 °C
最低工作温度-40 °C
物理尺寸11.4mm x 4.7mm x 4mm
串联电阻80 Ω
表面贴装YES

QESM49H2110DO102008.000MHZ文档预览

FREQUENCY
QESM49H4 / H2 / H32
HC49 SMD Crystal – SMD packaged
Specification (Rev-F)
Electrical Characteristics ......................................................P01
ESR vs. frequency range and Mode of vibration ..................P01
Mechanical Characteristics ...................................................P01
Ordering Information .............................................................P02
Suggested Reflow Soldering Profile .....................................P03
Tape and Reel Drawing ........................................................P03/P04
Frequency
QESM49H4 / H2 / H32
HC49 SMD Crystal – SMD packaged
Specification (rev-F)
June 30
th
, 2006
Electrical Characteristics
Electrical Parameters
Frequency range
(see Note 1)
Temperature Stability
Operating Temperature Range
Storage temperature range
Shunt capacitance C
0
Load capacitance
Drive level
Ageing (First Year)
Insulator resistance
Unit
MHz
± ppm
°C
°C
pF
pF
µW
± ppm
MΩ
500
100
-40
3.200
10
10
30
30
-20/+70
Customized specification upon request
Minimum Typical Maximum
75.000
50
50
-40/+85
+85
7.0
10pF ~ 32pF or series
500
5
Ref at 25°C
At 100V
DC
Refer to Ordering Information
Refer to Ordering Information
Refer to Ordering Information
Refer to Ordering Information
Test conditions
Frequency Tolerance
(at 25°C) ± ppm
Note 1 :
8 MHz is the minimum frequency for package QESM49H32
ESR vs. frequency range and Mode of vibration
Frequency range
(MHz)
3.200 to 4.499
4.500 to 5.999
6.000 to 6.999
7.000 to 7.999
8.000 to 8.999
Mode of vibration Max ESR (Ω)
Fund. / AT
Fund. / AT
Fund. / AT
Fund. / AT
Fund. / AT
150
120
100
90
80
Frequency range
(MHz)
9.000 to 9.999
10.000 to 12.999
13.000 to 30.000
30.000 to 75.000
27.000 to 40.000
Mode of vibration
Fund. / AT
Fund. / AT
Fund. / AT
3
rd
/ AT
3
rd
/ BT
Max ESR (Ω)
60
50
40
80
40
Mechanical Characteristics
1
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Frequency
QESM49H4 / H2 / H32
HC49 SMD Crystal – SMD packaged
Specification (rev-F)
June 30
th
, 2006
Heights (mm)
49H4
H = 5.0 max
49H2
H = 4.0 max
49H32
H = 3.2 max
Marking for SM94H4 / H2 / H32
Frequency in MHz (6 digits on the top)
ex: 10.000
Mechanical Conditions
Vibration 10g, 10 H to 2 kHz
according to standard
CEI68-2-63
Shocks
100g, 6 ms according to
standard CEI68-2-27
Note 1 :
QESM49H serie is fully RoHS compliant.
Ordering Information
QESM49H4
1
Part numbering system
30
HQ
50
20
25.000MHZ
Package type
Vibration
mode
1 = Fundamental
3 = 3
rd
Overtone
Frequency
tolerance
Operating
temperature
range
Frequency
stability
Load
Capacitance
16=16pF
Please, enter the
value of load
capacitance
Nominal
Frequency
(MHz)
Please enter the
nominal
frequency
QESM49H4 :
QESM49H2 :
QESM49H32 :
HC49 SMD packaged
10=±10ppm
30=±30ppm
50=±50ppm
D=-40°C
F= -30°C
H=-20°C
J=-10°C
L=0°C
M=+50°C
N=+55°C
O=+60°C
Q=+70°C
T=+85°C
10=±10ppm
30=±30ppm
50=±50ppm
2
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Frequency
QESM49H4 / H2 / H32
HC49 SMD Crystal – SMD packaged
Specification (rev-F)
June 30
th
, 2006
Suggested Reflow Soldering Profile
Tape Drawing
3
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Frequency
QESM49H4 / H2 / H32
HC49 SMD Crystal – SMD packaged
Specification (rev-F)
June 30
th
, 2006
Reel Drawing
Multiple
:
1000pcs per reel
4
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
简单分析STM32和51的区别
分享本文,简单分析STM32与51单片机的区别与取舍之处。 单片微型计算机简称单片机,简单来说就是集CPU(运算、控制)、RAM(数据存储-内存)、ROM(程序存储)、输入输出设备(串口、并 ......
可乐zzZ 单片机
心灵的纯度
今天看电视,看了两个节目,却传达的是同一个精神,还是让我感叹了一下,好像老天都知道自己在烦恼什么。 第一个故事讲述了一位法国中年男子,从13岁起迷恋中国武术,20岁打工挣足路费只身来 ......
LSJ 聊聊、笑笑、闹闹
如何把调试用的串口改为普通的串口来使用
各位仁兄: 1:我是在wince6.0 开发板是友坚的S5PC100 2: 由于项目需要想把调试串口改为普通的串口来使用 3:请问各位大侠指教 4:我自己把SMDKC100.bat里面的 set BSP_DEBUGPORT=SERIAL_U ......
zs447150061 嵌入式系统
STM32F7大赛——智能小区——-STemWin础基篇
STM32F7-STemWin1、文本显示STemWin提供了丰富的文本显示API函数。我们使用LCD时一定会在上面显示一些文本信息,这个也是最直观的UI交互了。2、数值显示STemWin同样也给我们提供了丰富的数值显 ......
fan5223 stm32/stm8
大家好,有个问题,请教一下
我想用泰勒级数来逼近正弦函数sinx,然后在ccs里编程如下,可是出现了错误,搞了很久,不知道怎么解决,希望得到帮助。。。 while(1) { double x,y,A,B,C,D,E; double i; for(i=0 ......
secondlife110 微控制器 MCU
关于TM4C123G作为USB host的问题
我现在在做一个东西,需要用到tm4c123g作为USB host来与另一台USB device来进行通讯,但这个USB device是供应商自定义规范的类型,我现在要怎么做才能与这个设备进行通讯? ...
爱知boy 微控制器 MCU

 
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: 1126  782  1869  2054  2902  23  16  38  42  59 

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