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

QESM49H32150HT102012.999MHZ

产品描述Parallel - Fundamental Quartz Crystal, 12.999MHz 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

QESM49H32150HT102012.999MHZ概述

Parallel - Fundamental Quartz Crystal, 12.999MHz Nom, HC49, SMD, 2 PIN

QESM49H32150HT102012.999MHZ规格参数

参数名称属性值
是否Rohs认证符合
Objectid145207455298
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50 ppm
负载电容20 pF
安装特点SURFACE MOUNT
标称工作频率12.999 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 3.2mm
串联电阻50 Ω
表面贴装YES

QESM49H32150HT102012.999MHZ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.
门吊下降速度突然加快是什么原因?
门吊起升高度40米,当下降到15米时下降速度突然加快 ,请问是什么原因?是采用电阻调速的。...
eeleader 工业自动化与控制
sd卡的寿命问题
网上搜索得知SD卡的寿命为擦写10万次以上,它的具体含义是什么 1、是不是我如果只对其中一片区域(非0扇区)进行擦写10万次,那么这片区域就有可能损坏,而其他区域还可以正常使用呢? 2、一 ......
zjxgl 嵌入式系统
Ti的C28x系列的DSP(28069)(28377)使用经验,ADC经验
笔者使用过的项目中,使用的ADC都是DSP的片内ADC,使用片内ADC的好处是,转换速度快,节约成本,这是相比片外ADC的优势。 DSP_28069的ADC精度是12位,DSP_28377D的ADC精度可以选择为12位,也 ......
灞波儿奔 DSP 与 ARM 处理器
编程语言榜单刷新啦,python竟然超过C语言排第一了????
管管看到咱们的水群里一群网友在聊天,有人晒了以下截图: 565896 python竟然排第一了??? 你们怎么看?? 你们学python用python了吗? ...
okhxyyo MicroPython开源版块
modelsim仿真出错
在用modelsim做后仿真时总是提示:Error: (vsim-3063) D:/altera/91/quartus/count4/simulation/modelsim/count4_tp.v(6): Port 'out' not found in the connected module (3rd connection).检 ......
xrk709 FPGA/CPLD
12864流动显示 供新手参考
12864显示 供新手参考62597...
poly 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: 2898  1286  2002  723  1938  59  26  41  15  40 

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