FREQ349USMXL/10/30/-10+60/18PF/ATF datasheet, PDF

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FREQ349USMXL/10/30/-10+60/18PF/ATF: DescriptionParallel - Fundamental Quartz Crystal, 4.1MHz Min, 4.9MHz Max, ROHS COMPLIANT, HERMETIC SEALED, RESISTANCE WELDED, SMD, 2 PIN; CategoryPassive components Crystal/resonator; File Size103KB，1 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/; Environmental Compliance

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FREQ349USMXL/10/30/-10+60/18PF/ATF Overview

Parallel - Fundamental Quartz Crystal, 4.1MHz Min, 4.9MHz Max, ROHS COMPLIANT, HERMETIC SEALED, RESISTANCE WELDED, SMD, 2 PIN

FREQ349USMXL/10/30/-10+60/18PF/ATF Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	ROHS COMPLIANT, HERMETIC SEALED, RESISTANCE WELDED, SMD, 2 PIN
Reach Compliance Code	compliant
Other features	AT-CUT CRYSTAL; TAPE AND REEL
Ageing	3 PPM/FIRST YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	100 µW
frequency stability	0.003%
frequency tolerance	10 ppm
load capacitance	18 pF
Installation features	SURFACE MOUNT
Maximum operating frequency	4.9 MHz
Minimum operating frequency	4.1 MHz
Maximum operating temperature	60 °C
Minimum operating temperature	-10 °C
physical size	L11.4XB4.7XH3.2 (mm)/L0.449XB0.185XH0.126 (inch)
Series resistance	120 Ω
surface mount	YES
Base Number Matches	1

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EURO

QUARTZ

49SMD Standard and Low Profile

FEATURES

Low cost crystal for mass market applications

Surface mount version of HC49-4H crystal

Comprehensie stockholding of standard frequencies

Customized parts readily available

Industry-standard package

Low-profile versions available

49USMX CRYSTALS

3.2MHz to 70.0MHz

OUTLINE & DIMENSIONS

DESCRIPTION

49USMX crystals are low profile surface mount crystals with the same

footprint as standard HC49 and HC49-4H crystals. 49USMX crystals

are ideal for use in low cost, mass-market applications but are also

able to be produced to close tolerances when required.

SPECIFICATION

Frequency Range:

Calibration Tolerance:

Frequency Stability over Temp:

Storage Temperature Range:

Shunt Capacitance (C0):

Load Capacitance (CL):

Ageing:

Drive Level:

Reflow Soldering:

Holder:

Packaging:

RoHS Status:

3.2MHz to 70MHz

±30ppm at 25°C standard

±10ppm available

from ±10ppm over -10° ~ +60°

from ±15ppm over -40° ~ +85°C

-50° ~ +105°C

4pf typical, 7pF maximum

Series or from 8pF to 32pF

(Customer specified)

±3ppm maximum

(Ta = 25°C, drive 100mW)

100mW typical, 500mW maximum

260°C, 10s maximum

Hermetic seal, resistance weld

EIA 24mm tape and reel

1000 pieces per reel

RoHS Compliant

EQUIVALENT SERIES RESISTANCE

Frequency

Range MHz

3.2 ~ 3.4

3.5 ~ 6.0

6.1 ~ 10.0

10.1~30.0

24.0~48.0

27.0 ~ 30.0

30.1 ~ 50.0

50.1 ~ 70.0

Crystal Cut/

Mode

AT-Fund.

BT-Fund.

AT-3rd OT

ESR

Ω Max.

300

120

150

100

PART NUMBER GENERATION

Example:

12.000MHz 49USMX/30/50/-20+70/18pF/ATF

Nominal Frequency

Package (height variants):

49USMX (4.2mm)

49USMXL (3.2mm)

49USMXL25 (2.5mm)

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)

Crystal Mode

ATF = AT-cut Fundamental

BTF = BT-cut Fundmental

AT3 = AT-cut 3rd Overtone

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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