EEWORLDEEWORLDEEWORLD

Part Number

Search

QESM49H2150LT501608.000MHZ

Description
Parallel - Fundamental Quartz Crystal, 8MHz Nom, HC49, SMD, 2 PIN
CategoryPassive components    Crystal/resonator   
File Size375KB,5 Pages
ManufacturerRakon Limited
Environmental Compliance
Download Datasheet Parametric View All

QESM49H2150LT501608.000MHZ Overview

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

QESM49H2150LT501608.000MHZ Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid145207454167
package instructionHC49, SMD, 2 PIN
Reach Compliance Codeunknown
Other featuresAT CUT
Ageing5 PPM/FIRST YEAR
Crystal/Resonator TypePARALLEL - FUNDAMENTAL
Drive level100 µW
frequency stability0.005%
frequency tolerance50 ppm
load capacitance16 pF
Installation featuresSURFACE MOUNT
Nominal operating frequency8 MHz
Maximum operating temperature85 °C
Minimum operating temperature
physical size11.4mm x 4.7mm x 4mm
Series resistance80 Ω
surface mountYES

QESM49H2150LT501608.000MHZ Preview

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.
Has anyone tried to use blueNRG-1 to measure distance?
I just want to ask everyone, have you tried to use blueNRG-1 or this series, connect the host and slave, and measure how far the slave is from the host through Bluetooth signal strength or something l...
千本樱大白 ST - Low Power RF
CircuitPython 8.0.0 Beta 1 released
自7.3.0以来,8.0.0发生了显著变化Added browser-based device discovery, file system browsing, upload, download, file editing, WiFi workflow for serial/REPL connections. Added a single-line status bar that displays...
dcexpert MicroPython Open Source section
How does this circuit work?
What is the structure of the two transistors Q8 and Q9? What is the conduction sequence of Q10, Q8 and Q9?...
西里古1992 Analog electronics
Questions about microcontrollers
I would like to ask what is the purpose of connecting 27 and 25 here?...
乐乐老了 stm32/stm8
NI data acquisition devices provide high-quality measurements and you can win a 50-yuan JD.com card!
NI Cost-Effective Data Acquisition Devices NI’s cost-effective USB multifunction I/O devices provide high-quality measurements at an affordable price,designed to help you make important decisions and ...
EEWORLD社区 Test/Measurement

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Datasheet   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
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2024 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 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