EEWORLDEEWORLDEEWORLD

Part Number

Search

UM-4J/LL0S349.9MHZ

Description
Series - 3Rd Overtone Quartz Crystal, 49.9MHz Nom,
CategoryPassive components    Crystal/resonator   
File Size154KB,1 Pages
ManufacturerGolledge Electronics
Websitehttp://www.golledge.com/
Environmental Compliance  
Download Datasheet Parametric View All

UM-4J/LL0S349.9MHZ Overview

Series - 3Rd Overtone Quartz Crystal, 49.9MHz Nom,

UM-4J/LL0S349.9MHZ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Reach Compliance Codecompliant
Other featuresTAPE AND REEL
Ageing3 PPM/FIRST YEAR
Crystal/Resonator TypeSERIES - 3RD OVERTONE
Drive level100 µW
frequency stability0.0005%
frequency tolerance5 ppm
Installation featuresSURFACE MOUNT
Nominal operating frequency49.9 MHz
Maximum operating temperature50 °C
Minimum operating temperature
physical sizeL7.8XB4.8XH3.5 (mm)/L0.307XB0.189XH0.138 (inch)
Series resistance50 Ω
surface mountYES
Base Number Matches1
SM Crystal Formed Leads
UM-1J, UM-4J & UM-5J
Specifications
UM-1J:  8.0mm maximum body length
UM-4J:  4.8mm maximum body length
UM-5J:  6.0mm maximum body length
Product
UM-1J UM-4J UM-5J
UM-1J
UM-4J
UM-5J
3.579 ~ 300MHz
10.0 ~ 300MHz



































































L
M
1
2
3
specify
L
M
1
2
3
specify
0
1
2
3
4
specify
B
D
F
J
S
specify
F
3
5
7
Parameters
Package:
Option
Code
Frequency range:
Calibration tolerance:
±5ppm
±7.5ppm
±10ppm
±20ppm
±30ppm
Other values (±3ppm ~ ±100ppm)
Temperature stability:
±5ppm
±7.5ppm
±10ppm
±20ppm
±30ppm
Other values (±3ppm ~ ±100ppm)
90° cranked leads are available as an option to save approx 1mm in overall length.
Contact our sales office for more details.
Features
Operating temperature range:
0 to +50°C
-10 to +60°C
-20 to +70°C
-30 to +80°C
-40 to +85°C
Other values
Circuit condition:
12pF
16pF
20pF
30pF
Series resonant
Other values
Fundamental
3rd overtone
5th overtone
7th overtone
7pF max
Ideal for custom frequencies & specifications
Wide frequency range
Tight specifications available
Fundamental mode up to 55.0MHz
Oscillation mode:
ESR Values
The table shows the maximum ESR values in ohms for each
package across the available frequency range.
Frequency
3.5 ~ 4.99
5.0 ~ 5.99
6.0 ~ 6.99
7.0 ~ 7.99
8.0 ~ 9.99
10.0 ~ 15.9
16.0 ~ 55.0
30.0 ~ 49.9
50.0 ~ 100
60.0 ~ 150
130 ~ 300
Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd overtone
3rd overtone
5th overtone
7th overtone
UM-1J
200
150
120
100
90
40
30
45
60
90
150
UM-4J
-
-
-
-
-
60
40
50
60
120
150
UM-5J
-
-
-
-
-
60
40
50
60
120
150
Static capacitance (C
0
):
Equivalent series resistance (max):
see table
Ageing:
±3ppm max first year
100μW
Test drive level:
Soldering conditions:
260°C, 10sec max x 2
Standard.
Optional - Please specify required code(s) when ordering
Ordering Information
Product name + option codes + frequency
eg:
UM-1J/231JF 16.0MHz
20/30/10/30-F
Available on T&R - 1k pcs per reel.
Refer to our website for T&R and soldering details.
Some combinations of stability and temperature range may not be
available. Please check with us before ordering.
Tel:
+44 1460 256 100
19 Jul 2002
01 May 1998
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
Use BSL Downloader to download the program to MSP430F168
I use the BSL downloader to download the program to MSP430F168, but it prompts: "NAK Received", what's going on? There is no problem downloading the program to msp430f169....
hjl240 Microcontroller MCU
Save for later: Video: How Americans view GMOs
Reposted here, I haven't seen much yet, I'll watch it later when I have time [flash]http://player.youku.com/player.php/sid/XNjI1NjMxMjk2/v.swf[/flash]...
wangfuchong Talking
CC1310 on-chip firmware upgrade project compilation
OAD (Over the Air Download), or Over the Air Download, is a method of remotely updating firmware wirelessly. On chip means on-chip, and the upgrade object does not require external Flash. The new firm...
EEWORLD社区 TI Technology Forum
Which expert can explain the difference between DC-DC switching regulator and linear regulator?
As the title says. I've been looking for a few chips recently and found these two categories. What are the differences? Can any expert explain it? Thank you very much! :handshake...
rocklinsuv Power technology
The troubles of a beginner
[color=#000][font=Helvetica, Arial, sans-serif]I bought a MSP430FR5739 learning board half a year ago. [/font][/color]:Cry:[color=#000][font=Helvetica, Arial, sans-serif] I haven't used it once, and I...
琅骏 Microcontroller MCU
About Ingenic IP5328P
IP5328P is a multifunctional power management SOC that integrates QC2.0 / QC3.0 output fast charging protocol, FCP / AFC / SFCP input and output fast charging protocol, MTK PE + 1.12.0 output fast cha...
唐东榕 Switching Power Supply Study Group

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2337  1042  828  1063  2827  48  21  17  22  57 
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 © 2005-2026 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