EEWORLDEEWORLDEEWORLD

Part Number

Search

UM-1/121J349.90MHZ

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-1/121J349.90MHZ Overview

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

UM-1/121J349.90MHZ 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 tolerance10 ppm
load capacitance30 pF
Manufacturer's serial numberUM-1
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency49.9 MHz
Maximum operating temperature60 °C
Minimum operating temperature-10 °C
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
Strange luminous guide tape
Do you have the habit of being a night owl? Do you have the "bad habit" of getting up in the middle of the night to look through the refrigerator for water? But you don't want to turn on the power to ...
xyh_521 Creative Market
The external interrupt does not respond. Can an expert check if there is any problem with the program?
#include #include #define GPIO_LED P2 sbit key1=P3^0; sbit key2=P3^1; void intconfiguration();//External interrupt configuration void delay(unsigned int n); unsigned char keyvalue=0; void main() //Mai...
setupsong 51mcu
Getting Started with CC256x
[i=s]This post was last edited by Jacktang on 2020-10-2 16:52[/i]The CC256x family of devices offers different options for dual-mode Bluetooth and Bluetooth low energy (BLE) solutions designed to meet...
Jacktang Wireless Connectivity
Under what circumstances does the wince6 system restore
May I ask under what circumstances does the WINCE6 system restore? Sometimes my WINCE6 system registry is restored to the registry state just after the NK was burned. I don't know what causes the syst...
hefang0511 Embedded System
I am a beginner in microcontrollers and need help from the masters
The single-chip computer is the TX-1C learning board of teacher Guo Tianxiang. There is a program with the following purpose: when the experimental board is powered on, the digital tube does not displ...
迈步xxzj 51mcu
Tsinghua Tongfang said: Digital TV has pirated foreign film and television programs
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:57[/i]On August 18, at the "3rd China Digital TV Industry Summit Forum (CDTF2006)", Hu Junfeng, General Manager of Tsinghua Tongfang Di...
newlooking Mobile and portable

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 381  2866  898  153  1823  8  58  19  4  37 
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