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UM-1: 产品描述Frequency range 1.0MHz to 200MHz High-precision crystal ideal for telecoms applications; 文件大小81KB，共1页; 制造商Euroquartz; 官网地址http://www.euroquartz.co.uk/

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UM-1概述

Frequency range 1.0MHz to 200MHz High-precision crystal ideal for telecoms applications

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EURO

QUARTZ

Frequency range 1.0MHz to 200MHz

High-precision crystal ideal for telecoms applications

High quality resistance weld sealing

Suitable for reflow soldering

UM-1 and UM-5 Crystals

OUTLINE & DIMENSIONS

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)

4.0MHz to 200MHz (AT-Cut)

10MHz 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

(Customer

specified CL)

±2ppm maximum, 1st year,

±1ppm per year thereafter.

100 Watts typ., 500 Watts max.

Resistance-weld hermetic seal

Bulk pack

PART NUMBER GENERATION

Part numbers for UM-1 crystals are generated as follows:

Example:

A three lead (centre earth lead) package is

available with the designation UM-1-3L

16.00MHz UM-1/20/30/-10+60/18pF/60R

Nominal Frequency

Package

UM-1 or UM-5

Calibration tolerance

at 25°C (±ppm)

Temperature Stability

over temp. range (±ppm)

Operating Temp. Range (°C)

(Lower and upper limits)

Load Capacitance

(SR for series or CL in pF)

Equivalent Series Resistance

(Optional - use when special

value is required)

ESR and OSCILLATION MODE

Frequency

Range MHz

1.0 ~1.2

4.0 ~ 4.9

5.0 ~ 5.9

6.0 ~ 6.9

7.0 ~ 7.9

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

ESR

Osc. Mode Ohms Max.

SL Fund.

AT Fund.

AT 3rd o.

AT 5th o.

150

120

100

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

UM-1相似产品对比

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描述	Frequency range 1.0MHz to 200MHz High-precision crystal ideal for telecoms applications	Frequency range 1.0MHz to 200MHz High-precision crystal ideal for telecoms applications	Frequency range 1.0MHz to 200MHz High-precision crystal ideal for telecoms applications

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