EEWORLDEEWORLDEEWORLD

Part Number

Search

30.000MHZHC49-4H/20/30/-40+85/30PF/3OT

Description
Parallel - 3Rd Overtone Quartz Crystal, 70MHz Nom, ROHS AND REACH COMPLIANT, RESISTANCE WELD, HERMETIC SEALED, HC49-4H, 2 PIN
CategoryPassive components    Crystal/resonator   
File Size112KB,1 Pages
ManufacturerEuroquartz
Websitehttp://www.euroquartz.co.uk/
Environmental Compliance  
Download Datasheet Parametric View All

30.000MHZHC49-4H/20/30/-40+85/30PF/3OT Overview

Parallel - 3Rd Overtone Quartz Crystal, 70MHz Nom, ROHS AND REACH COMPLIANT, RESISTANCE WELD, HERMETIC SEALED, HC49-4H, 2 PIN

30.000MHZHC49-4H/20/30/-40+85/30PF/3OT Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1321951341
package instructionROHS AND REACH COMPLIANT, RESISTANCE WELD, HERMETIC SEALED, HC49-4H, 2 PIN
Reach Compliance Codecompliant
YTEOL6.3
Other featuresAT-CUT; BULK; TAPE AND REEL
Ageing3 PPM/FIRST YEAR
Crystal/Resonator TypePARALLEL - 3RD OVERTONE
Drive level100 µW
frequency stability0.003%
frequency tolerance20 ppm
load capacitance30 pF
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency70 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
physical sizeL10.77XB4.34XH3.5 (mm)/L0.424XB0.171XH0.138 (inch)
Series resistance80 Ω
surface mountNO
EURO
QUARTZ
EURO
Low-profile crystal units
Low-cost, industry-standard crystal unit
AT-Cut strip crystal with hermetically sealed can
Frequency range 3.2MHz to 70MHz
Package height options available
DESCRIPTION
HC49-4H and HC49-4HL Crystals
OUTLINES & DIMENSIONS
HC49-4H crystals have the same base outline as the industry-
standard HC49 crystal. The crystal uses at AT-cut strip crystal with an
hermetically sealed can. HC49-4H crystals provide a low cost source
of system clock frequency.
SPECIFICATION
Frequency Range:
Oscillation Mode/Frequency
AT-Cut Fundamental:
AT-Cut 3rd Overtone:
BT-Cut Fundamental:
Calibration Tolerance at 25ºC:
Frequency Stability:
Load Capacitance (CL):
Ageing at 25°C:
Drive Level:
Storage Temperature Range:
Crystal Holder:
RoHS Status:
Supply format:
3.2MHz to 70.0MHz
3.2MHz to 48.0MHz
27.0MHz to 70.0MHz
24.0MHz to 48.0MHz
±5ppm, ±10ppm, ±20ppm or
±30ppm at 25°C
Series or from 8pF to 32pF
±3ppm maximum, 1st year,
±1ppm per year thereafter.
100mW typical, 500mW maximum
-50° to +105°C
Resistance-weld hermetic seal
Compliant
Bulk pack (Radial tape and reel
is available)
ESR and OSCILLATION MODE
Frequency
Range MHz
3.2 ~ 3.4
3.5 ~ 6.0
6.1 ~ 10.0
10.1 ~ 30.0
24.0 ~ 48.0
27.0 ~ 30.0
30.1 ~ 50.0
50.1 ~ 70.0
Crystal Cut
Osc. Mode
AT-Fund.
AT-Fund.
AT-Fund.
AT-Fund.
BT-Fund.
AT-3rd ot
AT-3rd ot
AT-3rd ot
ESR
Ω Max.
300
120
60
40
40
150
100
80
PART NUMBERS
Part numbers for HC49-4H crystals are generated as follows:
Example:
8.000MHz HC49-4H/30/50/-20+70/30pF/30R
Frequency
Package
HC49-4H
HC49-4HL
Calibration tolerance
at 25°C (ppm)
Stability over temp. (ppm)
Operating temp. range (°C)
Circuit Condition
(SR = Series or 10~32pF)
Max ESR (i.e. 30R = 30Ω
max.)
(
)
or 'ATF' or 'BTF' for AT or BT-cut fundamental, 3OT for 3rd overtone
FREQUENCY STABILITY vs OPERATING TEMPERATURE RANGE
Temp. °C/ppm
-10 to +60
-20 to +70
-40 to +85
±10
ü
ASK
X
±15
ü
ü
ü
±20
ü
ü
ü
±25
ü
ü
ü
±30
ü
ü
ü
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 sales@euroquartz.co.uk
www.euroquartz.co.uk
How to implement remote desktop connection on AM335x
Some time ago, I helped a customer do a project, using the Feiling FET335XS-II core board, TI AM335x Cortex-A8 platform, and WinCE6.0. Because the customer's baseboard did not have an LCD interface an...
bdforlinx2013 ARM Technology
LIN communication, no response error, please help
During LIN communication, the host displays no response error, indicating that the slave (DSP 28035) did not complete the transmission of a frame of data within the specified time. What may be the cau...
喜鹊王子 TI Technology Forum
Two relatively stupid questions under EVC
I have two relatively stupid questions: 1: In a general FRAME interface, as long as the stylus is clicked, which corresponding message will be triggered? No matter if it is clicked on a valid (invalid...
easyhrh Embedded System
TI power supply design simulation or device selection commonly used software
1. Webench software: WEBENCH design tools include powerful software algorithms and video interfaces, which can provide complete power, lighting and sensor applications in just a few seconds, allowing ...
qwqwqw2088 Analogue and Mixed Signal
I need to draw the phonetic symbols, but some of them are displayed as small boxes. There is a problem after adding the font. Please come in and give me some advice.
I read the corresponding phonetic symbol data from the database and used DrawText to draw it. Some phonetic symbols can be drawn, but most of them cannot be drawn. I suspect that the system does not s...
hallen Embedded System
2 questions: How do you know that 1ctrl+z is equivalent to 0x1a? 2 serial port initialization problem
1Although I know that ctrl+z is represented by 0x1a in the program, but I don't know what SUB 0x1a, which is 26, is. How can I tell that it represents ctrl+z? Please tell me 2int usart_putchar(char c)...
flymouse911 Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2424  717  2328  2920  302  49  15  47  59  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