EEWORLDEEWORLDEEWORLD

Part Number

Search

30.000MHZHC49-4H/20/10/-10+60/32PF/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/20/10/-10+60/32PF/3OT Overview

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

30.000MHZHC49-4H/20/10/-10+60/32PF/3OT Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1321951290
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 - 3RD OVERTONE
Drive level100 µW
frequency stability0.001%
frequency tolerance20 ppm
load capacitance32 pF
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency70 MHz
Maximum operating temperature60 °C
Minimum operating temperature-10 °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
Can students participating in the national competition show us your past works?
[i=s] This post was last edited by paulhyde on 2014-9-15 04:15 [/i] Dear brothers and sisters who participated in the national competition, can you show us your past works? I am a rookie and would lik...
error_echo Electronics Design Contest
ARM syntax issues
#define LED_ADJ 16#define LED_IOCON (0xFFLED_ADJ)#define LED_OFF()IO1SET=LED_IOCON#define LED_DISP(dat) LED_OFF(); IO1CLR=((dat)LED_ADJ)What do these four lines of code mean?Also, is there any differe...
To7ny ARM Technology
Problems with L7915CV
I would like to ask if the input voltage of ST's L7915CV reaches -26V, the output voltage can no longer be stabilized at -15V? (The situation is like this, I tested the 5 ST L7915s I bought yesterday,...
sunboy25 Power technology
Charging pile EVHEV power supply technology and its magnetic component technology design training materials
Charging pile EVHEV power supply technology and its magnetic component technology design training materials[b] [url = https://download.eeworld.com.cn/download/qwqwqw2088/563602] [img] // 2.eewimg.cn /...
qwqwqw2088 Energy Infrastructure?
PCB (Printed Circuit Board) Board Composition and Industry Chain Analysis
Printed circuit board (PCB) is a substrate for assembling electronic parts. It is a printed board with point connections and printed components formed on a general substrate according to a predetermin...
dengguoqiang Integrated technical exchanges
Solution to the garbled Chinese comments in Quartus II
Very useful article, I wanted to make it into a text post, but the picture adding function of the forum failed, so I can only put it in Word eeworldpostqq...
xiefei FPGA/CPLD

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1849  1226  403  698  857  38  25  9  15  18 
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