EEWORLDEEWORLDEEWORLD

Part Number

Search

UM-4J/311D349.9MHZ

Description
Parallel - 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/311D349.9MHZ Overview

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

UM-4J/311D349.9MHZ 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 TypePARALLEL - 3RD OVERTONE
Drive level100 µW
frequency stability0.001%
frequency tolerance30 ppm
load capacitance16 pF
Installation featuresSURFACE MOUNT
Nominal operating frequency49.9 MHz
Maximum operating temperature60 °C
Minimum operating temperature-10 °C
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
C5000 Audio Capacitive Touch BoosterPack for MSP430 LaunchPad Overview
Jon Beall from Texas Instruments introduces the C5535 Ultra-Low-Power Digital Signal Processor BoosterPack. The C5535 Ultra-Low-Power Digital Signal Processor BoosterPack is a plug-in board for the MS...
德仪DSP新天地 DSP and ARM Processors
Please tell me about the digital tube
/************************************************ File name: dula.vDescription : The result of the program: the 0th to the 7th digital tubes display 0-7 in turn; Creator: He Yuntao Creation time: Janu...
woaizhudi FPGA/CPLD
Beginner, please ask questions!!! 1
entity cnt16 is port(clk:in std_logic;dout:out std_logic_vector(3 downto 0);dclk1:out std_logic); end cnt16;architecture Behavioral of cnt16 issignal clk1:std_logic :='1';signal q:integer range 0 to 2...
beijing2008lina FPGA/CPLD
TI Hercules RM4 Series Safety MCU
[p=21, null, left][font=simsun][size=14px][color=#000000]TI has developed the Hercules series of safety microprocessors based on its 20 years of experience in safety-critical systems, industrial integ...
fish001 Microcontroller MCU
[Theme Month] Why can’t carbon film resistors be used in switching power supplies?
[size=5][b]Why can't carbon film resistors be used in switching power supplies? Instead, metal film resistors should be used? [/b][/size]...
tiankai001 Power technology
Learning Dynamics—Case Study Results Demonstration Sine Wave and Triangular Wave Signal Generator Design
Life is a journey that keeps moving forward, and learning is an indispensable seasoning on this journey. For FPGA engineers , doing research is like learning, with bitterness and sweetness. After a we...
小柳叶 FPGA/CPLD

Technical ResourceMore

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2908  1594  815  101  2811  59  33  17  3  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