EEWORLDEEWORLDEEWORLD

Part Number

Search

UM-1/L20J349.90MHZ

Description
Parallel - 3Rd Overtone Quartz Crystal, 49.9MHz Nom,
CategoryPassive components    Crystal/resonator   
File Size60KB,1 Pages
ManufacturerGolledge Electronics
Websitehttp://www.golledge.com/
Environmental Compliance  
Download Datasheet Parametric View All

UM-1/L20J349.90MHZ Overview

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

UM-1/L20J349.90MHZ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerGolledge Electronics
Reach Compliance Codecompliant
Ageing3 PPM/FIRST YEAR
Crystal/Resonator TypePARALLEL - 3RD OVERTONE
Drive level100 µW
frequency stability0.002%
frequency tolerance5 ppm
load capacitance30 pF
Manufacturer's serial numberUM-1
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency49.9 MHz
Maximum operating temperature50 °C
Minimum operating temperature
physical sizeL7.8XB3.2XH8.0 (mm)/L0.307XB0.126XH0.315 (inch)
Series resistance45 Ω
surface mountNO
Miniature Crystals
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
Parameters
Package:
UM-1
UM-4
UM-5
Product
UM-1 UM-4 UM-5
Option
Code
H
Frequency range:
3.579 ~ 300MHz
10.0 ~ 300MHz
Calibration tolerance:
±5ppm
±7.5ppm
±10ppm
±20ppm
±30ppm
Other values (±3ppm ~ ±100ppm)
±5ppm
±7.5ppm
±10ppm
±20ppm
±30ppm
Other values (±3ppm ~ ±100ppm)
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
0.35Ø
12.00
(min)
ACTUAL SIZE
Temperature stability:
3.75
Package
3.20
(max)
7.80
UM-1
UM-4
UM-5
Height H
8.00 max
4.80 max
6.00 max
Scale 2:1
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
How does a current feedback op amp solve the self-excitation problem?
[i=s]This post was last edited by dontium on 2015-1-23 11:30[/i] I use THS3091 current feedback op amp as the final power amplifier. I want to get a 10x gain. I choose 1KΩ feedback resistor according ...
hnlichong Analogue and Mixed Signal
Help
My interrupt is written like this: #pragma vector=[TIMER_A0_VECTOR] __interrupt void Timer_A0(void) { P1OUT ^= BIT0 ; } Why does the error message appear: Error[Pe029]: expected an expression F:\MSP43...
yss030941124 Microcontroller MCU
What is millimeter wave? -- "Millimeter wave basics" (white paper)
mmWave is a valuable sensing technology that can be used to detect objects and provide information about their distance, speed and angle. It is a contactless technology that operates in the 30GHz to 3...
Jacktang Microcontroller MCU
Help! VHDL newbie asks some questions
I have a question: Do I press start compilation after I number the program? Is there any good book on how to use Quartus II 7.2 software? I have searched a lot on the Internet, but there are very few....
janeyqian Embedded System
The specific meaning and difference between wlan and wifi
[size=4]Many people will find that the wireless Internet access of the computer at home is called WLAN, while the Internet access of mobile phones or tablets is called WIFI. They are the same wireless...
Aguilera RF/Wirelessly
6050 angle sensor based on MSP430f149 with 1602 display
Put two header files into IAR inc...
MACAL Microcontroller MCU

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1289  1356  332  885  2033  26  28  7  18  41 
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