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8.000MHZUM-1/50/3/0+50/8PF

Description
Parallel - Fundamental Quartz Crystal, 8MHz Nom, UM-1, 2 PIN
CategoryPassive components    Crystal/resonator   
File Size114KB,1 Pages
ManufacturerEuroquartz
Websitehttp://www.euroquartz.co.uk/
Environmental Compliance
Download Datasheet Parametric View All

8.000MHZUM-1/50/3/0+50/8PF Overview

Parallel - Fundamental Quartz Crystal, 8MHz Nom, UM-1, 2 PIN

8.000MHZUM-1/50/3/0+50/8PF Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerEuroquartz
package instructionUM-1, 2 PIN
Reach Compliance Codecompliant
Other featuresAT-CUT
Ageing1 PPM/YEAR
Crystal/Resonator TypePARALLEL - FUNDAMENTAL
Drive level100 µW
frequency stability0.0003%
frequency tolerance50 ppm
load capacitance8 pF
Installation featuresTHROUGH HOLE MOUNT
Nominal operating frequency8 MHz
Maximum operating temperature50 °C
Minimum operating temperature
physical size7.8mm x 2.2mm x 8.0mm
Series resistance80 Ω
surface mountNO

8.000MHZUM-1/50/3/0+50/8PF Preview

EURO
QUARTZ
EURO
Frequency range 1.0MHz to 200MHz
High-precision crystal ideal for telecoms applications
High quality resistance weld sealing
Suitable for reflow soldering
DESCRIPTION
UM-1 and UM-5 crystals are a long-established design, being widely
used in telecommunications applications where their compact size
and ease of producing to close tolerances makes them an ideal
crystal. In addition to the standard packages a 'Slimline' package is
also available.
SPECIFICATION
Frequency Range
UM-1
UM-5
Oscillation Mode:
Calibration Tolerance at 25ºC
SL-Cut (<1.3MHz):
AT-Cut (>4.0MHz):
Frequency Tolerance
SL-Cut:
AT-Cut:
Shunt Capacitance (C0):
Load Capacitance (CL):
Ageing:
Drive Level:
Crystal Holder:
Supply format:
1.0MHz to 1.2MHz (SL-Cut)
8.0MHz to 200MHz (AT-Cut)
12MHz to 200MHz (AT-Cut)
See table
from ±50ppm
from ±3ppm
from ±100ppm -10° to +60°C
from ±3ppm 0° to +50°C
4pF typical, 7pF maximum
Series or from 8pF to 32pF
(
)
±2ppm maximum, 1st year,
±1ppm per year thereafter.
100mW typical, 500mW maximum
Resistance-weld hermetic seal
Bulk pack
UM-1 and UM-5 Crystals
General specification for 'UM' family crystals
OUTLINE & DIMENSIONS
PART NUMBER GENERATION
Part numbers for UM-1 crystals are generated as follows:
Example:
16.00MHz UM-1/20/30/-10+60/18pF/60R
A three lead (centre earth lead) package is
available with the designation UM-1-3L
Nominal Frequency
Package
UM-1 or UM-5
Calibration tolerance
at 25°C (±ppm)
Temperature Stability
over temp. range (±ppm)
Operating Temp. Range (°C)
ESR and OSCILLATION MODE
Frequency
Range MHz
1.0 ~1.2
8.0 ~ 8.9
9.0 ~ 10.9
11.0 ~ 12.9
13.0 ~ 45.0
50.1 ~ 100.0
80.0 ~ 200.0
Crystal Cut
Osc. Mode
SL Fund.
AT Fund.
AT Fund.
AT Fund.
AT Fund.
AT 3rd OT
AT 5th OT
ESR
Ω
Max.
5k
80
60
40
25
40
80
Load Capacitance
Equivalent Series Resistance
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
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