EEWORLDEEWORLDEEWORLD

Part Number

Search

3.400MHZHC49-4H/20/10/-20+70/32PF/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

3.400MHZHC49-4H/20/10/-20+70/32PF/ATF Overview

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

3.400MHZHC49-4H/20/10/-20+70/32PF/ATF Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1321950394
package instructionROHS AND REACH COMPLIANT, RESISTANCE WELD, HERMETIC SEALED, HC49-4H, 2 PIN
Reach Compliance Codecompliant
YTEOL6.2
Other featuresAT-CUT; BULK; TAPE AND REEL
Ageing3 PPM/FIRST YEAR
Crystal/Resonator TypePARALLEL - FUNDAMENTAL
Drive level100 µW
frequency stability0.001%
frequency tolerance20 ppm
load capacitance32 pF
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency3.5 MHz
Maximum operating temperature70 °C
Minimum operating temperature-20 °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
Please help me with the various ground connection methods, urgent
Experts, please help me figure out how to connect the various grounds in the picture. The red line is the connection method I am considering, and the yellow line is my question. I don't know if it is ...
武帝座一 Analog electronics
TecoCore Co., Ltd. is looking for SSD firmware development talents to join
Due to development needs, Tekism Co., Ltd. ([/size][/font][color=rgb(0, 102, 153)][font=Verdana, Helvetica, Arial, sans-serif][size=14px][url=http://www.tekism.cn/]www.tekism.cn[/url][/size][/font][/c...
pfs8889 Recruitment
Automotive front-end protection circuit
[i=s]This post was last edited by Texas Instruments_Video on 2015-1-20 11:08[/i] [align=left][font=SimSun] Zhang Yang demonstrated an innovative solution, namely the automotive power front-end protect...
德州仪器_视频 Analogue and Mixed Signal
Does anyone know of an infrared hydrogen sulfide sensor?
We need a point-type infrared hydrogen sulfide sensor, but we can't find one. Does anyone know of one? It would be best if we could find a place that sells it....
ling7648 Sensor
How to use a five-terminal current measuring resistor?
This is a current measuring resistor. Vishay's Dale resistor WSMSB0004-ND is a current measuring resistor. The kelvin circuit is usually used for current measurement (https://www.eeworld.com.cn/dygl/2...
wstt Microcontroller MCU
A very inferential question
[u]Five pirates have robbed 100 gems, each of which is the same size and priceless. They decide how to divide the gems: 1. Draw lots to determine your own number (1, 2, 3, 4, 5) 2. First, No. 1 propos...
SuperStar515 Talking

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2274  1674  646  2107  762  46  34  13  43  16 
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