20.000MHZMT/5/5/-10+60/32PF/100R [EUROQUARTZ]

Parallel - Fundamental Quartz Crystal, 20MHz Nom, ROHS COMPLIANT, ULTRA-MINIATURE, SMD, 4 PIN;


型号：	20.000MHZMT/5/5/-10+60/32PF/100R
厂家：	EUROQUARTZ LIMITED
描述：	Parallel - Fundamental Quartz Crystal, 20MHz Nom, ROHS COMPLIANT, ULTRA-MINIATURE, SMD, 4 PIN
文件：	总1页 (文件大小：100K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

QUARTZ

MT CRYSTALS

EURO

3.2 x 2.5 x 0.7mm SMD

12.0MHz to 60MHz

FEATURES

Frequency range 12MHz to 60MHz, fundamental mode

Ultra-small package 3.2mm x 2.5mm x 0.6mm

Entire package may be grounded via metal lid and two pads

Packaged in standard EIA tape and reel

Extremely low ageing with high shock and vibration resistance

Ideal for PDAs, hand-held GPS, PCMCIA etc.

DESCRIPTION

OUTLINE & DIMENSIONS

MT crystals are ultra-miniature AT-cut crystals covering the frequency

range 12MHz to 60MHz in fundamental mode. Their small size and low

mass makes these crystals ideal for miniaturized hand-held equipment

and similar high-density applications.

SPECIFICATION

Frequency Range:

Operating Mode:

Calibration Tolerance at 25ºC*:

12.0MHz 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

-40° to +85°C

from ±15ppm

Operating Temperature Range:

Storage Temperature:

Equivalent Series Resistance*

From 0° ~ +50°C to -40° ~+85°C

-50°~+105°C

12.000MHz to 20.000MHz: 100Ω maximum

20.001MHz to 60.000MHz: 60Ω maximum

Shunt Capacitance (C0):

Load Capacitance (CL):

2pF to 4pF typical, 5pF maximum

Series or from 8pF to 32pF

(Customer specified CL)

Ageing:

Drive level:

Reflow Soldering:

<±3ppm per year at +25°C

10µW typical, 100µW maximum

10s maximum at 260°C twice

or 180s at 230°C, once.

Packaging:

12mm EIA tape and reel

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

PART NUMBER GENERATION

Part numbers for MT crystals are generated as follows:

STANDARD PART NUMBERS AND SPECIFICATIONS

Tolerance (±ppm)/

16.000MHz MT/10/10/-10+60/12pF/80R

Example:

Nominal Frequency

Frequency

Euroquartz

Stability (±ppm)/

Temp. Range (°C)/

Max. ESR (Ohms)

(MHz)

Part Number

(pF)

Package

Calibration tolerance

16.0000

16.3840

20.0000

20.5720

20.9450

24.5500

24.5760

29.4912

32.0000

32.7680

40.0000

48.0000

50.0000

12 MT-16000-12 30/50/-20+70/100R

12 MT-16384-12 30/50/-20+70/100R

12 MT-20000-12 30/50/-20+70/100R

12 MT-20572-12 30/50/-20+70/60R

12 MT-20945-12 30/50/-20+70/60R

12 MT-24550-12 30/50/-20+70/60R

12 MT-24576-12 30/50/-20+70/60R

12 MT-29491-12 30/50/-20+70/60R

12 MT-32000-12 30/50/-20+70/60R

12 MT-32768-12 30/50/-20+70/60R

12 MT-40000-12 30/50/-20+70/60R

12 MT-48000-12 30/50/-20+70/60R

12 MT-50000-12 30/50/-20+70/60R

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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