32.768KHZX4918/30/122.4/-40+85/9.0PF datasheet, PDF

Datasheet> All Categories > Passive components> Crystal/resonator> 32.768KHZX4918/30/122.4/-40+85/9.0PF

32.768KHZX4918/30/122.4/-40+85/9.0PF: DescriptionParallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN; CategoryPassive components Crystal/resonator; File Size131KB，1 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/; Environmental Compliance

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32.768KHZX4918/30/122.4/-40+85/9.0PF Overview

Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN

32.768KHZX4918/30/122.4/-40+85/9.0PF Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN
Reach Compliance Code	compliant
Other features	TAPE AND REEL
Ageing	3 PPM/YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	1 µW
frequency stability	0.0122%
frequency tolerance	30 ppm
load capacitance	9 pF
Installation features	SURFACE MOUNT
Nominal operating frequency	0.032768 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
physical size	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)
Series resistance	65000 Ω
surface mount	YES
Base Number Matches	1

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EURO

QUARTZ

4.9 x 1.8 x 1.0mm Miniature SMD

Ultra-miniature ceramic package 4.9 x 1.8 x 1.0mm

RoHS compliant and lead free

Low ageing, high shock and vibration resistance

Uses include battery operated equipment

DESCRIPTION

X4918 crystals provide 32.768kHz in an ultra-miniature package. The

part is designed to provide a small component size for real-time clock

applications. The micro-miniature size and rugged construction make

them ideal for real time clocks and battery powered, hand-held

equipment.

X4918 SERIES CRYSTALS

32.768kHz

OUTLINE & DIMENSIONS

SPECIFICATION

Nominal Frequency:

Calibration Tolerance at 25ºC:

32.7680kHz

±20ppm

±30ppm (standard)

±50ppm

Crystal Cut:

XY-cut

Load Capacitance (CL):

12.5pF, 9.0pF or 7.0pF

Equivalent Series Resistance (ESR): 65kW typical, 70kW max.

Drive level:

1.0mW max.

Temperature Coefficient:

-0.034ppm/°C

(Parabolic)

Turnover Temperature:

+25°±5°C

Quality Factor:

40,000 min.

Shunt Capacitance:

1.3pF typical

Motional Capacitance:

21fF typical

Capacitance Ration:

619 typical

Ageing:

±3ppm/year max.

Insulation Resistance:

500MW minimum @100VDC

Operating Temperature Range:

-40° to +85°C

Storage Temerature Range:

-55° to +125°C

Reflow Soldering:

10s max. at 250°C ±10°C

Shock Resistance:

±5ppm max, free drops x3 from

75cm height onto hard wood

surface.

Packaging:

12.0mm EIA tape, 4.0mm pitch,

180mm diameter reel, 3k

pieces/reel

PART NUMBER AND SPECIFICATION

Order part number: 32.768kHz X4918/30/--/-40+85/12.5pF

This provides a 32.768kHz crystal in X3215 package with ±20ppm

calibration tolerance at 25°C, temperature stability according to the

above parabolic coefficient at a load capacitance of 12.5pF.

Options:

Calibration Tolerance:

±20ppm

±30ppm (standard)

±50ppm

7.0pF

9.0pF

12.5pF (standard)

Load Capacitance:

STABILITY OVER TEMPERATURE

X-Cut Crystal

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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Description	Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN
Is it lead-free?	Lead free	Lead free	Lead free	Lead free	Lead free	Lead free	Lead free	Lead free	Lead free
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to	conform to	conform to	conform to	conform to
package instruction	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN	ROHS COMPLIANT, ULTRA MINIATURE, CERAMIC, SMD, 2 PIN
Reach Compliance Code	compliant	compli	compliant	compliant	compliant	compliant	compliant	compliant	compliant
Other features	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL
Ageing	3 PPM/YEAR	3 PPM/YEAR	3 PPM/YEAR	3 PPM/YEAR	3 PPM/YEAR	3 PPM/YEAR	3 PPM/YEAR	3 PPM/YEAR	3 PPM/YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL	PARALLEL - FUNDAMENTAL	PARALLEL - FUNDAMENTAL	PARALLEL - FUNDAMENTAL	PARALLEL - FUNDAMENTAL	PARALLEL - FUNDAMENTAL	PARALLEL - FUNDAMENTAL	PARALLEL - FUNDAMENTAL	PARALLEL - FUNDAMENTAL
Drive level	1 µW	1 µW	1 µW	1 µW	1 µW	1 µW	1 µW	1 µW	1 µW
frequency stability	0.0122%	0.0122%	0.0122%	0.0122%	0.0122%	0.0122%	0.0122%	0.0122%	0.0122%
frequency tolerance	30 ppm	50 ppm	50 ppm	20 ppm	30 ppm	20 ppm	20 ppm	50 ppm	30 ppm
load capacitance	9 pF	9 pF	12.5 pF	12.5 pF	7 pF	7 pF	9 pF	7 pF	12.5 pF
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT
Nominal operating frequency	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
physical size	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)	L4.9XB1.8XH1.0 (mm)/L0.193XB0.071XH0.039 (inch)
Series resistance	65000 Ω	65000 Ω	65000 Ω	65000 Ω	65000 Ω	65000 Ω	65000 Ω	65000 Ω	65000 Ω
surface mount	YES	YES	YES	YES	YES	YES	YES	YES	YES
Base Number Matches	1	1	1	1	1	1	1	1	1

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