EEWORLDEEWORLDEEWORLD

Part Number

Search

3.500MHZHC49-4H/30/20/-40+85/8PF/ATF

Description
Parallel - Fundamental Quartz Crystal, 3.5MHz 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

3.500MHZHC49-4H/30/20/-40+85/8PF/ATF Overview

Parallel - Fundamental Quartz Crystal, 3.5MHz Nom, ROHS AND REACH COMPLIANT, RESISTANCE WELD, HERMETIC SEALED, HC49-4H, 2 PIN

3.500MHZHC49-4H/30/20/-40+85/8PF/ATF Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1321950923
package instructionROHS AND REACH COMPLIANT, RESISTANCE WELD, HERMETIC SEALED, HC49-4H, 2 PIN
Reach Compliance Codecompliant
Other featuresAT-CUT; BULK; TAPE AND REEL
Ageing3 PPM/FIRST YEAR
Crystal/Resonator TypePARALLEL - FUNDAMENTAL
Drive level100 µW
frequency stability0.002%
frequency tolerance30 ppm
load capacitance8 pF
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency3.5 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
physical sizeL10.77XB4.34XH3.5 (mm)/L0.424XB0.171XH0.138 (inch)
Series resistance120 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
Looking for a keyboard and LED display flowchart and program
I want a flowchart and program for the keyboard and LED display. I want a flowchart and program for the keyboard and LED display. The keyboard is 4 independent keyboards. The LEDs are converted by TLC...
shy117301 MCU
Questions about I2C
I have been working on something related to I2C these days, but the Master always gets stuck when reading data. I used an oscilloscope to check and found that a CLOCK is missing. Does anyone know the ...
119083515 Microcontroller MCU
How to use Zigbee to send information to neighboring nodes?
Zigbee seems to have neighbor node information somewhere. How can I communicate with all neighbor nodes and obtain their information?...
cidplp RF/Wirelessly
Gate Circuit
[b]For this kind of 2-input gate circuit, if I[/size][size=3]IH[/size][size=7]=40uA[/size][size=3], can both input A and input B[/size][size=4] input 40uA, or can the sum of input A and input B[/size]...
初学00000001 Analog electronics
Summary of 2016: The people, and only the people, are the driving force behind the creation of world history!
----------------- Commemorating the 123rd anniversary of Chairman Mao's birth! Chairman Mao put the interests of the people above everything else throughout his life, cared most about the exploited an...
dontium Talking
Apply to extend the time allowed to modify your own posts
1. It is used for users to sort out and summarize the key points in their own series of conversations and the content that needs to be reminded. 2. After a period of time, if you find that your statem...
9zhmke Suggestions & Announcements

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 162  2725  1807  2891  1405  4  55  37  59  29 
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