EEWORLDEEWORLDEEWORLD

Part Number

Search

142-18.0M-12-GP

Description
Parallel - Fundamental Quartz Crystal, 18MHz Nom, HC-49T, 2 PIN
CategoryPassive components    Crystal/resonator   
File Size175KB,4 Pages
ManufacturerOscilent
Websitehttp://www.oscilent.com
Environmental Compliance  
Download Datasheet Parametric View All

142-18.0M-12-GP Overview

Parallel - Fundamental Quartz Crystal, 18MHz Nom, HC-49T, 2 PIN

142-18.0M-12-GP Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerOscilent
package instructionHC-49T, 2 PIN
Reach Compliance Codecompliant
Other featuresAT-CUT
Ageing5 PPM/FIRST YEAR
Crystal/Resonator TypePARALLEL - FUNDAMENTAL
Drive level50 µW
frequency stability0.003%
frequency tolerance30 ppm
load capacitance12 pF
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency18 MHz
Maximum operating temperature50 °C
Minimum operating temperature
physical sizeL11.05XB4.65XH11.2 (mm)/L0.435XB0.183XH0.441 (inch)
Series resistance25 Ω
surface mountNO
Oscilent Corporation | 141 - 142
Page 1 of 4
Quartz Crystals
Series Number
Package
Description
Last Modified
141 ~ 142
Quartz Crystal FEATURES
- Industry Standard Package
- Wide Frequency range
- Tight Tolerances
- Excellent reliability/Aging
- "AT" cut crystals
- Cost effective
- RoHs / Lead Free compliant
HC-49U / HC-49T
Weld Type Quartz
April. 17 2008
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range
Frequency Tolerance
Temperature Tolerance
Operating Temperature
Storage Temperature
Shunt Capacitance
Load Capacitance
Drive Level
Aging (First Year)
Insulation Resistance
CONDITIONS
f
O
Ref @ +25°C
T
L
T
OPR
T
STG
C
O
C
L
D
L
@ +25°C
I
R
CHARACTERISTICS
1.800 ~ 100.00
±30 std. (±5 ~ ±100 avail.)
±50 std. (See Table 2)
-20 ~ +70 std. (See Table 2)
-55 ~ +125
7.0 max.
20.0 std. (8 ~ 50 and Series avail.)
0.05 ~ 1.0
±5.0 max.
500 (DC100 ±10V) min.
UNITS
MHz
PPM
PPM
°C
°C
pF
pF
mW
PPM/Y
Mohm
TABLE 1 - MODE OF OSCILLATION AND EQUIVALENT SERIES RESISTANCE
FREQUENCY RANGE (MHz)
1.800 ~ 2.000
2.000~ 2.400
2.400 ~ 3.000
3.000 ~ 3.500
3.500 ~ 4.000
4.000 ~ 7.000
7.000 ~ 10.000
10.000 ~ 15.000
15.000 ~ 20.000
20.000 ~ 25.000
25.000 ~ 30.000
30.000 ~ 75.000
75.000 ~ 100.000
27.000 ~ 35.000
MODE
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fund. / 3rd OT
Fund. / 3rd OT
3rd Overtone
3rd / 5th Overtone
BT Fund.
HC-49T (ohm max.)
-
-
-
-
150
90
50
45
25
25 / 60
25 / 40
40
- / 60
40
HC-49U (ohm max.)
600
450
350
150
90
70
50
35
25
25 / 50
25 / 40
40
- / 60
40
TABLE 2 - FREQUENCY - TEMPERATURE TOLERANCE
Tolerance (PPM)
Rescue Algorithm
I am not good at microcontrollers. I want to use assembly language to implement three-byte BCD code division....
Justin.YC Embedded System
Introduction to MCU
Quickly understand the microcontroller...
一梦天涯 MCU
Problems with power supply filtering and load decoupling
Because the power supply is not clean and has several mV of high noise, it is a narrow pulse of about 100MHz when magnified, so an LC-PI filter circuit is added. However, because the transient current...
jelly_bessie Power technology
Some questions about Qingke 3162 module
①For the OTA area, my understanding is that the user must define the boot_table_t structure at the address 0x08004000, and then fill in the content as needed. After the UPDATE[/size][/font][/color][co...
zca123 RF/Wirelessly
Test drive the new Elysee
The seat wrapping of the new Elysee (torque sensor) has been enhanced, and the rear seats have also added a patented split-down function. The leather sewing process of the steering wheel and the large...
noikiou Automotive Electronics
Single power supply single op amp second order filter plus DC bias (cannot be isolated)
[i=s]This post was last edited by 向阳xl on 2019-10-14 17:30[/i]Note: Because the first version was incomplete, I have re-edited it to make the problem and my needs clear.The rightmost c105 in the figur...
向阳xl Analog electronics

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 742  37  1383  1  787  15  1  28  16  5 
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