Datasheet > 20.000MHZX42/5/5/-10+60/SR/80R

20.000MHZX42/5/5/-10+60/SR/80R

更新时间： 2024-11-24 05:36:07

品牌	Logo	应用领域
EUROQUARTZ		/
页数	文件大小	规格书
1页	118K
描述
Series - Fundamental Quartz Crystal, 20MHz Nom, ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN

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20.000MHZX42/5/5/-10+60/SR/80R 数据手册

QUARTZ

X42 CRYSTALS

EURO

4 x 2.5 x 0.6mm SMD

10.0MHz to 60MHz

FEATURES

Miniature package: 4.0 x 2.5 x 0.6mm

Gold-plated ceramic base with metal seam-welded package

Very low ageing

Designed for hand-held equipment, PDAs, Blue Tooth, GPS

High shock and vibration resistance

DESCRIPTION

OUTLINE & DIMENSIONS

X42 crystals are micro-miniature surface-mount mount crystals. The

crystals have a gold plated ceramic base with a seam welded metal lid

providing a stable crystal with very low ageing. The rugged construction

ensures that this crystal has high shock and vibration resistance. The

crystal has been specifically designed for use in small hand-held

communication equipment such as PDAs, GPS and Bluetooth.

SPECIFICATION

Frequency Range:

Operating Mode:

Calibration Tolerance at 25ºC*:

10.0MHz to 60.0MHz

AT-Cut Fundamental:

from ±5ppm

(±10, ±20 or ±30ppm standard)

Frequency stability*

-10° to +60°C

from ±5ppm

-20° to +70°C

from ±10ppm

-30° to +85°C

from ±10ppm

Storage Temperature:

Equivalent Series Resistance:

Shunt Capacitance (C0):

Load Capacitance (CL):

-50°~+105°C

See table

2pF to 4pF typical, 5pF maximum

Series or from 10pF to 32pF

(Customer specified CL)

<±3ppm per year at +25°C

100 µW maximum

10s maximum at 260°C twice

or 180s at 230°C, once.

12mm EIA tape and reel

Ageing:

Drive level:

Reflow Soldering:

Packaging:

*Note: Tighter stability, tolerance and lower ESR values are available.

PART NUMBER GENERATION

EQUIVALENT SERIES RESISTANCE (ESR)

Part numbers for X42 crystals are generated as follows:

Frequency

Range MHz

Crystal Cut/

Mode

ESR

Ω Max.

Example:

12.000MHz X42/20/30/-10+60/18pF/60R

12.0 ~ 20.0

20.1 ~ 60.0

AT Fund.

Nominal Frequency

Package

Calibration tolerance

at 25°C (±ppm)

Temperature Stability

over temp. range (±ppm)

Operating Temp. Range (°C)

(Lower and upper limits)

Load Capacitance

(Either SR for series or CL in pF)

Equivalent Series Resistance

(Optional - use when special

value is required)

EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk

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