EEWORLDEEWORLDEEWORLD

Part Number

Search

UM4-HB2318-49.900

Description
Parallel - 3Rd Overtone Quartz Crystal, 49.9MHz Nom,
CategoryPassive components    Crystal/resonator   
File Size60KB,2 Pages
ManufacturerILSI
Websitehttp://www.ilsiamerica.com
Environmental Compliance  
Download Datasheet Parametric View All

UM4-HB2318-49.900 Overview

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

UM4-HB2318-49.900 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerILSI
Reach Compliance Codecompli
Other featuresAT CUT
Ageing5 PPM/YEAR
Crystal/Resonator TypePARALLEL - 3RD OVERTONE
Drive level1000 µW
frequency stability0.005%
frequency tolerance20 ppm
load capacitance18 pF
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency49.9 MHz
Maximum operating temperature60 °C
Minimum operating temperature-10 °C
physical sizeL8.0XB3.2XH4.7 (mm)/L0.315XB0.126XH0.185 (inch)
Series resistance70 Ω
surface mountNO
Terminal surfaceTin/Silver/Copper - with Nickel barrie
2 Lead Metal Package, 3.2 mm x 8 mm
Product Features:
Low Cost
RoHs Compliant
Compatible with Leadfree Processing
UM1 / UM4 / UM5 Series
Applications:
Fibre Channel
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
System Clock
Frequency
7 MHz to 160.000 MHz
ESR (Equivalent Series Resistance)
7.0 MHz – 9.9 MHz
10.0 MHz – 14.9 MHz
15 MHz – 29.9 MHz
30 MHz – 36 MHz
rd
30 MHz – 49.9 MHz (3 O.T.)
rd
50 MHz – 100 MHz (3 O.T.)
th
75 MHz – 160 MHz (5 O.T.)
100
60
30
20
70
50
100
Max.
Max.
Max.
Max.
Max.
Max.
Max.
Shunt Capacitance (C0)
Frequency Tolerance @ 25
C
Frequency Stability over
Temperature
Crystal Cut
Load Capacitance
Drive Level
Aging
Temperature
Operating
Storage
7 pF Max.
30 ppm Standard (see Part Number Guide for more options)
50 ppm Standard (see Part Number Guide for more options)
AT Cut Standard
18 pF Standard (see Part Number Guide for more options)
1 mW Max.
5 ppm Max. / Year Standard
0 C to +70 C Standard (see Part Number Guide for more options)
-40 C to +85 C Standard
Part Number Guide
Package
Stability
(ppm) at Room
Temperature
B = ±50 ppm
F = ±30 ppm
G = ±25 ppm
H = ±20 ppm
I = ±15 ppm
J = ±10 ppm*
Sample Part Number:
Stability
(ppm) over Operating
Temperature
B = ±50 ppm
F = ±30 ppm
G = ±25 ppm
H = ±20 ppm
I = ±15 ppm**
J = ±10 ppm**
UM1 - FB1F18 - 20.000
Operating
Temperature Range
0 = 0°C to +50°C
1 = 0°C to +70°C
2 = -10°C to +60°C
3 = -20°C to +70°C
5 = -40°C to +85°C
9 = -10°C to +50°C
Mode
(overtone)
F = Fundamental
3 = 3
rd
overtone
5 = 5
th
overtone
Load Capacitance
(pF)
Frequency
UM1 -
(8.0 mm H)
UM4 -
(4.7 mm H)
18 pF Standard
Or Specify
- 20.000 MHz
UM5 -
(6.0 mm H)
* Not available at all frequencies. ** Not available for all temperature ranges.
e-mail@ilsiamerica.com
www.ilsiamerica.com
ILSI
America
Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com
06/09
Specifications subject to change without notice
Page 1
About the power management chip LT1765
[color=#222222]Has anyone used LT1765-adj? In my circuit diagram, I want the output to be 3.3V but the actual output is only 0.7V. It works well just after soldering, but after a while it becomes 0.7V...
3008202060 Power technology
Several address issues of OMAP3530
There are a few questions that I really don't understand. I hope you can help explain them: 1. Does the DSP have an MMU? What's the matter with the IVA2.2 system having an MMU in section 2.4.3 of the ...
max1 Embedded System
Where can I find a phone that can input text?
I would like to ask everyone: Do you know if there are telephones that can input text? Where can I find the circuit diagram of a telephone that can input text? I want to get the circuit diagram of a t...
gfdsgdfg Embedded System
Dear heroes, please help me set up the arm to perform power-off timing
Hey guys, I'm using a 2410 development board, how can I use the backup battery to time when the power is off? How do I set it up?...
che3ccc ARM Technology
Please tell me the difference of rotary encoder output form
I am new to rotary encoders and don't know much about them. What are the differences between the different output forms of rotary encoders: voltage output, collector output, complementary output, and ...
eeleader-mcu Industrial Control Electronics
Power Supply Noise Measurement Challenges and Solutions
[p=20, null, left][font=Verdana, sans-serif][size=12px][color=#000000][backcolor=white]Today's computers, PADs, mobile phones, communication system equipment and other electronic products are processi...
wstt Analogue and Mixed Signal

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 793  1063  1980  1730  2719  16  22  40  35  55 
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