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

QESM49H2130HT101608.000MHZ

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

QESM49H2130HT101608.000MHZ概述

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

QESM49H2130HT101608.000MHZ规格参数

参数名称属性值
是否Rohs认证符合
Objectid145207458079
包装说明HC49, SMD, 2 PIN
Reach Compliance Codeunknown
YTEOL6.73
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30 ppm
负载电容16 pF
安装特点SURFACE MOUNT
标称工作频率8 MHz
最高工作温度85 °C
最低工作温度-20 °C
物理尺寸11.4mm x 4.7mm x 4mm
串联电阻80 Ω
表面贴装YES

QESM49H2130HT101608.000MHZ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.
求教
digitalWrite(TrigPin, LOW); //低高低电平发一个短时间脉冲去TrigPin delayMicroseconds(2); digitalWrite(TrigPin, HIGH); delayMicroseconds(10); digitalWrite(TrigPin, LOW); 这里 ......
依诺儿 嵌入式系统
电感线圈的品质因素Q
因数Q是表示线圈质量的一个重要参数。Q值的大小,表明电感线圈损耗的大小,其Q值越大,线圈的损耗越小;反之,其损耗越大。 品质因数Q的定义为:当线圈在某一频率的交流电压下工作时,线圈所 ......
qwqwqw2088 模拟与混合信号
职场少走弯路的十条忠告
其实很多道理大家也都明白,但就是做不到。之前有一位同事,每次给他提出问题的时候,他总是点头,但事后还是会依然固我。所以希望大家记住下面的话,更重要的是能够在实践中体现。以我的职场经 ......
向农 工作这点儿事
lpc1114 mp3+电子书+收音机+数码相框全新登场!
一直比较忙现在终于完成了原理图和PCB布局,希望大家提点意见: 51820 51821...
zhaojun_xf NXP MCU
PL-2303hx电路
80509 电脑无法识别,同时4脚接3.3v试过也不行(3.3v通过稳压来或芯片本身的输出3.3均试过,都不能被识别) ...
ren364940161 DIY/开源硬件专区
连载的电视剧不能换演员,一换就变成其他片子了
好好的一部【将夜】,看完第一部,觉得蛮好看的,期待着看第二部,结果一下子换了很多演员,主角和关键人物都换人了,完全没有原来的味道了,看了几集,就不要看了,感觉像是看其他片子,没劲。 ......
led2015 聊聊、笑笑、闹闹

技术资料推荐更多

 
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: 2760  2569  1438  2791  522  56  52  29  57  11 

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