278LF-20.000MHZ-BBF10010 datasheet, PDF

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278LF-20.000MHZ-BBF10010: DescriptionParallel - Fundamental Quartz Crystal, 20MHz Nom, ROHS COMPLIANT, SMD, 2 PIN; CategoryPassive components Crystal/resonator; File Size162KB，2 Pages; ManufacturerFOX [Fox Electronics]; Environmental Compliance

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278LF-20.000MHZ-BBF10010 Overview

Parallel - Fundamental Quartz Crystal, 20MHz Nom, ROHS COMPLIANT, SMD, 2 PIN

278LF-20.000MHZ-BBF10010 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	ROHS COMPLIANT, SMD, 2 PIN
Reach Compliance Code	compli
Other features	TAPE AND REEL
Ageing	5 PPM/YEAR
Crystal/Resonator Type	PARALLEL - FUNDAMENTAL
Drive level	0.5 µW
frequency stability	0.005%
frequency tolerance	50 ppm
JESD-609 code	e1
load capacitance	10 pF
Installation features	SURFACE MOUNT
Nominal operating frequency	20 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-20 °C
physical size	L11.7XB5.0XH4.5 (mm)/L0.461XB0.197XH0.177 (inch)
Series resistance	30 Ω
surface mount	YES
Terminal surface	Tin/Silver/Copper (Sn/Ag/Cu)
Base Number Matches	1

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Resistance Weld SMD Crystal

Model: HC49SDLF

Page 1 of 2

RoHS Compliant / Pb Free

Rev. 12/4/2006

http://www.foxonline.com/need_a_sample.htm

FEATURES

OPTIONS

1 0 .3 M ax

• Stock Standard

(see page 2)

• Tolerances to 10 PPM

• Fundamental to 50 MHz

• Stabilities to 5 PPM

• Tape and Reel

(1,000 pcs. STD)

• Temperatures to -40ºC ~ +105ºC

• 3.2mm Height Max

(HC49SSDLF)

4 .5 M ax

• PART NUMBER

Learn More - Internet Required

Part Number

278LF-Frequency-xxxxx

Model Number

HC49SDLF

Frequency Range (MHz)

3.200 ~ 70.000

3 .8 M ax

• STANDARD SPECIFICATIONS

PARAMETERS

Frequency Range

Frequency Tolerance @ 25ºC

Frequency Stability, ref @ 25ºC

Over Operating Temp Range

Temperature Range

Operating

OPR

)

Storage

STG

)

Shunt Capacitance (Co)

Load Capacitance

)

Drive Level

Aging per year

Maximum Soldering Temp / Time

Moisture Sensitivity Level (MSL)

MAX

(unless otherwise noted)

3.200 ~ 70.000 MHz

±50 PPM

1,2

±50 PPM

-20ºC ~ +70ºC

-40ºC ~ +85ºC

7pF

10 pF ~ Series

(Customer Specified)

0.5 mW

±5 PPM

260ºC / 10 Seconds

0 .7 5 ±0 .35

1 3 .9 M ax

1 1 .7 M ax

5 .0 M ax

Recommended

HC49SD Solder Pad Layout

1 5 .0 ±0 .1

2 .0 ±0 .1

4 .0 ±0 .1

Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer

Service for specific requirements.

Crystal has a

±30ppm tolerance specification for all standard part numbers. These part numbers

are listed on page 2 of this datasheet.

All specifications subject to change without notice.

All dimensions are in millimeters.

TERMINATION FINISH: Sn/3.0Ag/0.5Cu

Frequency Range

(MHz)

3.200 ~ 3.500

3.500+ ~ 4.000

4.000+ ~ 5.000

5.000+ ~ 6.000

6.000+ ~ 7.000

7.000+ ~ 9.000

9.000+ ~ 13.000

13.000+ ~ 20.000

20.000+ ~ 50.000

27.000 ~ 70.000

Operating Mode

Fundamental

3rd OT

Max ESR

Ω

300

200

150

120

100

FOXElectronics

5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554

http://www.foxonline.com

EMEA

Tel/Fax: +44 .1767.312632 |

Asia

Hong Kong Tel: +852.2854.4285 Fax +852.2854.4282 |

Japan

Tel: +81.3.3374.2079 Fax: +81.3.3374.5221

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