279-25.999M-8-20-K-S-TR datasheet, PDF

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279-25.999M-8-20-K-S-TR: DescriptionParallel - Fundamental Quartz Crystal, 25.999MHz Nom, SMD, 4 PIN; CategoryPassive components Crystal/resonator; File Size131KB，2 Pages; ManufacturerOscilent; Websitehttp://www.oscilent.com; Environmental Compliance

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279-25.999M-8-20-K-S-TR Overview

Parallel - Fundamental Quartz Crystal, 25.999MHz Nom, SMD, 4 PIN

279-25.999M-8-20-K-S-TR Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	SMD, 4 PIN
Reach Compliance Code	compli
Other features	TR
Ageing	2 PPM/YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	10 µW
frequency stability	0.0015%
frequency tolerance	20 ppm
load capacitance	8 pF
Installation features	SURFACE MOUNT
Nominal operating frequency	25.999 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-20 °C
physical size	L4.0XB2.5XH0.75 (mm)/L0.157XB0.098XH0.03 (inch)
Series resistance	70 Ω
surface mount	YES
Base Number Matches	1

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Oscilent Corporation | 279 Series Quartz Crystal

1 of 2

SMD Quartz Crystal

Series Number

Package

Description

Last Modified

279

FEATURES

4.0 x 2.5 Chip Type

SMD Quartz Crystal

Nov. 17, 2011

-4.0x2.5mm Surface Mount Chip Type Quartz Crystal

- Low profile (0.75mm)

- Optimum for mobile phone and bluetooth applications

- Excellent heat and shock resistance

- RoHS / Lead Free compliant

OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS

PARAMETERS

Frequency Range

Frequency Tolerance

Temperature Stability

Operating Temperature

Storage Temperature

Shunt Capacitance

Load Capacitance

Insulation Resistance

Drive Level

Aging

SYMBOL

Fo

F/Fo

Tc

TORP

TSTG

Co

CL

IR

DL

Fa

CONDITION

-

@ 25ºC

REFTO25ºC

-

100VDC

@25ºC per year

MINIMUM

12

±10

-20

-40

-

8

500

10

-2.0

TYPICAL

-

±15

-

100

-

MAXIMUM

32

±30

+70

+85

3

12

-

300

+2.0

UNITS

MHz

ppm

ppm(

ºC)

ºC

pF

M

µW

Ppm

EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE)

PARAMETERS

12.000MHZ ~ 19.999MHZ

20.000MHZ ~ 25.999MHZ

26.000MHZ ~ 32.000MHZ

MAX ESR (OHM)

80

70

50

MODE

Fundamental

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