EEWORLDEEWORLDEEWORLD

Part Number

Search

UM-4/322B349.9MHZ

Description
Parallel - 3Rd Overtone Quartz Crystal, 49.9MHz Nom,
CategoryPassive components    Crystal/resonator   
File Size135KB,1 Pages
ManufacturerGolledge Electronics
Websitehttp://www.golledge.com/
Environmental Compliance  
Download Datasheet Parametric View All

UM-4/322B349.9MHZ Overview

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

UM-4/322B349.9MHZ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1295118166
Reach Compliance Codecompliant
Ageing3 PPM/FIRST YEAR
Crystal/Resonator TypePARALLEL - 3RD OVERTONE
Drive level100 µW
frequency stability0.002%
frequency tolerance30 ppm
load capacitance12 pF
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency49.9 MHz
Maximum operating temperature70 °C
Minimum operating temperature-20 °C
physical sizeL7.8XB3.2XH4.8 (mm)/L0.307XB0.126XH0.189 (inch)
Series resistance50 Ω
surface mountNO
Miniature Crystals
2011/65/EU
UM-1, UM-4 & UM-5
Specifications
UM-1:  8.0mm maximum height
UM-4:  4.8mm maximum height
UM-5:  6.0mm maximum height
Product
UM-1 UM-4 UM-5
UM-1
UM-4
UM-5
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)
Slim case (2.6mm thick is available as an option over 20.0MHz. Contact our sales office
for 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-1
200
150
120
100
90
40
30
45
60
90
150
UM-4
-
-
-
-
-
60
40
50
60
120
150
UM-5
-
-
-
-
-
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:
Standard.
Optional - Please specify required code(s) when ordering
Ordering Information
Product name + option codes + frequency
eg:
UM-1/231JF 24.576MHz
20/30/10/30-F
Insulating washers and mounting clips available. See our website for
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
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
App Client
Is there an app client? I found that the logs cannot be accessed on the mobile browser. Does the platform have plans to develop an app? :)...
zhulaee Suggestions & Announcements
The most comprehensive answers to common questions about electric vehicle charging!
1: Can I turn on the air conditioner while charging? 1. Yes, some vehicles require you to turn off the system before charging. You can use the air conditioning after starting the vehicle after chargin...
禾川芯 Automotive Electronics
Because Apple didn’t provide a charger, college students from two places teamed up to sue Apple!
Source: People's Daily WeChat October 26 Related topics for "Law student sues Apple" Hot search Attracting attention from netizens  Fang, a law student at Beijing University of Chemical Technology, bo...
eric_wang Talking
EEWORLD University - Power stage protection, current sensing, efficiency analysis and related TI designs
Power stage protection, current sensing, efficiency analysis and related TI designs : https://training.eeworld.com.cn/course/4993...
wanglan123 Power technology
STM32MP157A-DK1 review——by bigbat
@bigbatSTM32MP157A-DK1 Review + Unboxing and SDK Installation (1) STM32MP157A-DK1 Evaluation + HelloWorld and GPIO (2) STM32MP157A-DK1 Review + Camera (3) STM32MP157A-DK1 evaluation + kernel compilati...
okhxyyo Special Edition for Assessment Centres
[Help] Matrix Theory by Huang Tingzhu pdf
I would like to ask, does anyone have the PDF electronic version of Huang Tingzhu's Matrix Theory textbook? If so, could you please send it to me?...
云淡风轻0908 Training Edition

Technical ResourceMore

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