EEWORLDEEWORLDEEWORLD

Part Number

Search

HC49-4H/3C4BF7.68MHZ

Description
Parallel - Fundamental Quartz Crystal, 7.68MHz Nom,
CategoryPassive components    Crystal/resonator   
File Size47KB,1 Pages
ManufacturerGolledge Electronics
Websitehttp://www.golledge.com/
Environmental Compliance  
Download Datasheet Parametric View All

HC49-4H/3C4BF7.68MHZ Overview

Parallel - Fundamental Quartz Crystal, 7.68MHz Nom,

HC49-4H/3C4BF7.68MHZ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerGolledge Electronics
Reach Compliance Codecompliant
Other featuresTAPE AND REEL
Ageing3 PPM/FIRST YEAR
Crystal/Resonator TypePARALLEL - FUNDAMENTAL
Drive level100 µW
frequency stability0.01%
frequency tolerance30 ppm
load capacitance12 pF
Manufacturer's serial numberHC49-4H
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency7.68 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
physical sizeL11.05XB4.65XH3.5 (mm)/L0.435XB0.183XH0.138 (inch)
Series resistance70 Ω
surface mountNO
Base Number Matches1
Low Profile Crystal
HC49-4H & HC49-3H
Specifications
HC49-4H: 3.5mm maximum height
HC49-3H: 2.5mm maximum height
Parameters
Package:
2.50
(max)
0.43Ø
12.00
(min)
12.00
(min)
Product
HC49-4H
HC49-3H
Option
Code
HC49-4H
HC49-3H
3.50*
(max)
0.43Ø
Frequency range:
1.0MHz
3.2768 ~ 90.0MHz
3.579 ~ 90.0MHz
Calibration tolerance:
±20ppm
±30ppm
±50ppm
Other values (±10ppm ~ ±100ppm)
±30ppm
±50ppm
±100ppm
Other values (±10ppm ~ ±100ppm)
2
3
5
specify
3
5
C
specify
1
2
3
4
specify
B
D
E
F
J
specify
F
3
4.88
4.65
11.05
4.88
4.65
11.05
Temperature stability:
HC49-4H
*1.0MHz HC49-4H height is 4.00 (max)
HC49-3H
Scale 1:1
Features
«
«
«
«
Industry standard HC49 footprint
Fundamental mode available up to 50.0MHz
Comprehensive stock of standard frequencies
Low profile for close board stacking
Operating temperature range:
-10 to +60°C
-20 to +70°C
-30 to +80°C
-40 to +85°C
Other values
Circuit condition:
12pF
16pF
18pF
20pF
30pF
Other values
Fundamental
3rd overtone
Oscillation mode:
Equivalent series resistance (max):
3000 (1.0MHz)
200 (>3.2 ~ 3.5MHz)
150 (>3.5 ~ 4.0MHz)
120 (>4.0 ~ 4.4MHz)
100 (>4.4 ~ 7.0MHz)
70 (>7.0 ~ 10.0MHz)
50 (>10.0 ~ 50.0MHz, fund)
100 (>25.0 ~ 90.0MHz, 3rd OT)
Static capacitance (C
0
):
Ageing:
7pF max
±3ppm max first year
100µW
Test drive level:
Standard.
Optional - Please specify required code(s) when ordering
Ordering Information
Product name + frequency + specification code
eg:
HC49-4H/351DF 18.4320MHz
30/50/10/16-F
HC49-3H/232S3 48.0MHz
20/30/20/S-3
Insulating washers and mounting clips available. See our website
for details.
Available on T&R - 1k pcs per reel.
Centre ground lead available on request.
Refer to our website for T&R and soldering details.
IMPORTANT: Not normally available in small quantities of
non-standard frequencies. Please check with us before ordering.
Tel:
+44 1460 256 100
03 Oct 2011
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
Let's talk about a phenomenon when USB flash drive is safely deleted.
Many USB flash drives now have an LED light. When you select safe deletion (before unplugging from the host), the LED light can automatically turn off. There is no such data packet for safe deletion i...
86682049 Embedded System
How to reduce false alarms
What causes the false alarm of the alarm? My friend asked about the false alarm of the alarm. In response to this question, I summarized the main reasons for the false alarm of the current monitoring ...
xyh_521 Industrial Control Electronics
Various applications of intelligent RFID systems in industrial control
RFID systems have now become almost standard in modern manufacturing processes. Application-specific RFID systems are used in combination with appropriate readers and coordinated software. With the he...
Jacktang RF/Wirelessly
How to set external wake-up interrupt in s3c6410 wince6
As title...
wuhanren Embedded System
Can the life of a transparent LED display really reach 100,000 hours?
Is it true that the life of a transparent LED display is 100,000 hours? Like other electronic products, LED transparent screens have a service life. Although the theoretical life of LED is 100,000 hou...
jucaiyuan008 Industrial Control Electronics
Help: Please help me find a solution to this circuit interference problem
The circuit diagram of the thermocouple to the single-chip microcomputer is shown in the figure. This circuit diagram is part of the equipment instrument we bought. When the inverter in the equipment ...
wuya555 Analog electronics

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1083  1255  266  2326  2076  22  26  6  47  42 
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