NKS3NEK1-20.0000-18(T) datasheet, PDF

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NKS3NEK1-20.0000-18(T): DescriptionParallel - Fundamental Quartz Crystal, 20MHz Nom; CategoryPassive components Crystal/resonator; File Size256KB，2 Pages; ManufacturerPericom Semiconductor Corporation (Diodes Incorporated); Websitehttps://www.diodes.com/; Environmental Compliance

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NKS3NEK1-20.0000-18(T) Overview

Parallel - Fundamental Quartz Crystal, 20MHz Nom

NKS3NEK1-20.0000-18(T) Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	TAPE AND REEL; AT-CUT CRYSTAL
Ageing	5 PPM/FIRST YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	10 µW
frequency stability	0.005%
frequency tolerance	30 ppm
JESD-609 code	e4
load capacitance	18 pF
Manufacturer's serial number	NKS3
Installation features	SURFACE MOUNT
Nominal operating frequency	20 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
physical size	L3.25XB2.55XH0.75 (mm)/L0.128XB0.1XH0.03 (inch)
Series resistance	60 Ω
surface mount	YES
Terminal surface	Gold (Au)
Base Number Matches	1

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NKS3 Series

Miniature Quartz Crystal

Ceramic SMD

Actual Size

Product Description

The 4-pad NKS3 Series devices incorporate a

sub-miniature AT-cut crystal resonator housed in

a standard 3.2x2.5mm ceramic package. These

compact crystals are ideal for surface mounting

in densely populated or small form-factor PCB

applications.

Frequency Range:

• 14.3181 MHz to 54.0000 MHz (Fundamental)

Temperature Range:

• Operating: –20 to +70°C or –40 to +85°C (as specified)

• Storage: –40 to +85°C

Temperature Stability (as specified):

Product Features

•

Rugged AT-cut crystal construction

Miniature 3.2x2.5mm ceramic package

Available on tape & reel; 16mm tape, 1000/reel

Pb-free and Green/ROHS compliant

• ±10, ±20, ±30, ±50ppm (–20 to +70°C)

• ±30, ±50ppm (–40 to +85°C)

Characteristics at 25°C ±2°C:

• Frequency Calibration Tolerance: ±10ppm, ±20ppm, ±30ppm

• Load Capacitance: 14 to 20pF

• Effective Series Resistance:

80Ω max (14 to 19.9 MHz)

60Ω max (20 to 29.9 MHz)

40Ω max (30 to 54 MHz)

• Drive Level: 10µW typ. (100µW max)

• Shunt Capacitance: 5pF Max.

•

Typical Applications

Disc Drives

PCMCIA Cards

Portable / hand-held PCs

Notebook PC

GPS

Bluetooth

Wireless LAN

Aging at 25°C, First Year:

• ±3ppm Typ., ±5ppm Max.

Common Frequencies (MHz):

14.3181

15.3600

16.0000

16.3840

19.2000

20.0000

20.4800

22.1184

24.0000

24.5760

25.0000

26.0000

27.0000

28.6363

31.2500

32.0000

32.7680

33.0000

37.5000

39.0625

40.0000

48.0000

53.1250

54.0000

Mechanical:

• Shock: MIL-STD-883, Method 2002 (Condition B)

• Solderability: JESD22-B102-D Method 2 (Preconditioning E)

• Vibration: MIL-STD-883, Method 2007 (Condition A)

• Solvent Resistance: MIL-STD-202, Method 215

• Resistance to Soldering Heat: J-STD-020C Table 5-2 Pb-free

devices (2 cycles max)

Environmental:

• Gross Test Leak: MIL-STD-883, Method 1014 (Condition C)

• Fine Test Leak: MIL-STD-883, Method 1014 (Condition A2)

• Thermal Shock: MIL-STD-883, Method 1011 (Condition A)

• Moisture Resistance: MIL-STD-883, Method 1004

Reflow Temperature:

• 260°C Max

Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix

All specifications are subject to change without notice.

DS-211 Rev A | 11/16/2005

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