EEWORLDEEWORLDEEWORLD

Part Number

Search

UM-1/223DF7.990MHZ

Description
Parallel - Fundamental Quartz Crystal, 7.99MHz Nom,
CategoryPassive components    Crystal/resonator   
File Size60KB,1 Pages
ManufacturerGolledge Electronics
Websitehttp://www.golledge.com/
Environmental Compliance  
Download Datasheet Parametric View All

UM-1/223DF7.990MHZ Overview

Parallel - Fundamental Quartz Crystal, 7.99MHz Nom,

UM-1/223DF7.990MHZ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerGolledge Electronics
Reach Compliance Codecompli
Ageing3 PPM/FIRST YEAR
Crystal/Resonator TypePARALLEL - FUNDAMENTAL
Drive level100 µW
frequency stability0.002%
frequency tolerance20 ppm
load capacitance16 pF
Manufacturer's serial numberUM-1
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency7.99 MHz
Maximum operating temperature80 °C
Minimum operating temperature-30 °C
physical sizeL7.8XB3.2XH8.0 (mm)/L0.307XB0.126XH0.315 (inch)
Series resistance100 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
FPGA_100 Days Journey_Blocking and Non-Blocking
FPGA_100 Days Journey_Blocking Non-Blocking.pdf...
zxopenljx FPGA/CPLD
Looking for someone to design a signal processing board. Contact number: 15353573226
Signal processing circuit design indicators The signal processing circuit consists of two parts: a sine signal generator and a digital lock-in amplifier. The power supply voltage of these two parts is...
jq_du84 Test/Measurement
4 charts showing how and when the chip shortage will end
Source: https://spectrum.ieee.org/chip-shortageFabs using older process nodes are keyHistorians may spend decades analyzing the consequences of the COVID-19 pandemic. But the chip shortage it caused w...
dcexpert Talking
AD19 only shows wireframe after copper is laid, which does not look like laid copper
Dear friends, why does my AD19 only show the wireframe after copper laying, but not the laid copper, as shown in the picture? Is there any setting? Switch to AD10 and open it, double-click the copper ...
AshleyZhai PCB Design
The DLL entry DLLMain is called twice by the system using DLL_PROCESS_DETACH
Under CE5, I wrote a USB driver for Motola mobile phone. Now it loads OK. The information from the serial port is as follows: USBInstallDriver++ load USBD.DLL sucess! USBInstallDriver-- DLL_PROCESS_DE...
hsdzcf Embedded System
I now have the stm32f103 minimum system ban and the ov7670 camera with FIFO. If I want the minimum system version to use...
I now have a stm32f103 minimum system board and an ov7670 camera with FIFO. If I want to use the ov7670 camera with the minimum system board, can I not connect the pins directly? Do I need to make a d...
LOVELESS燚 stm32/stm8

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2504  1729  2244  1854  330  51  35  46  38  7 
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