QESM49H4350LO301675.000MHZ datasheet, PDF

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QESM49H4350LO301675.000MHZ: DescriptionParallel - 3Rd Overtone Quartz Crystal, 75MHz Nom, HC49, SMD, 2 PIN; CategoryPassive components Crystal/resonator; File Size375KB，5 Pages; ManufacturerRakon Limited; Environmental Compliance

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QESM49H4350LO301675.000MHZ Overview

Parallel - 3Rd Overtone Quartz Crystal, 75MHz Nom, HC49, SMD, 2 PIN

QESM49H4350LO301675.000MHZ Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	145207487926
package instruction	HC49, SMD, 2 PIN
Reach Compliance Code	unknown
YTEOL	2
Other features	AT CUT
Ageing	5 PPM/FIRST YEAR
Crystal/Resonator Type	PARALLEL - 3RD OVERTONE
Drive level	100 µW
frequency stability	0.003%
frequency tolerance	50 ppm
load capacitance	16 pF
Installation features	SURFACE MOUNT
Nominal operating frequency	75 MHz
Maximum operating temperature	60 °C
Minimum operating temperature
physical size	11.4mm x 4.7mm x 5mm
Series resistance	80 Ω
surface mount	YES

QESM49H4350LO301675.000MHZ Preview

FREQUENCY

QESM49H4 / H2 / H32

HC49 SMD Crystal – SMD packaged

Specification (Rev-F)

Electrical Characteristics ......................................................P01

ESR vs. frequency range and Mode of vibration ..................P01

Mechanical Characteristics ...................................................P01

Ordering Information .............................................................P02

Suggested Reflow Soldering Profile .....................................P03

Tape and Reel Drawing ........................................................P03/P04

Frequency

QESM49H4 / H2 / H32

HC49 SMD Crystal – SMD packaged

Specification (rev-F)

June 30

, 2006

Electrical Characteristics

Electrical Parameters

Frequency range

(see Note 1)

Temperature Stability

Operating Temperature Range

Storage temperature range

Shunt capacitance C

Load capacitance

Drive level

Ageing (First Year)

Insulator resistance

Unit

MHz

± ppm

°C

µW

± ppm

MΩ

500

100

-40

3.200

-20/+70

Customized specification upon request

Minimum Typical Maximum

75.000

-40/+85

+85

7.0

10pF ~ 32pF or series

500

Ref at 25°C

At 100V

Refer to Ordering Information

Test conditions

Frequency Tolerance

(at 25°C) ± ppm

Note 1 :

8 MHz is the minimum frequency for package QESM49H32

ESR vs. frequency range and Mode of vibration

Frequency range

(MHz)

3.200 to 4.499

4.500 to 5.999

6.000 to 6.999

7.000 to 7.999

8.000 to 8.999

Mode of vibration Max ESR (Ω)

Fund. / AT

150

120

100

Frequency range

(MHz)

9.000 to 9.999

10.000 to 12.999

13.000 to 30.000

30.000 to 75.000

27.000 to 40.000

Mode of vibration

Fund. / AT

/ AT

/ BT

Max ESR (Ω)

Mechanical Characteristics

TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.

Frequency

QESM49H4 / H2 / H32

HC49 SMD Crystal – SMD packaged

Specification (rev-F)

June 30

, 2006

Heights (mm)

49H4

H = 5.0 max

49H2

H = 4.0 max

49H32

H = 3.2 max

Marking for SM94H4 / H2 / H32

Frequency in MHz (6 digits on the top)

ex: 10.000

Mechanical Conditions

Vibration 10g, 10 H to 2 kHz

according to standard

CEI68-2-63

Shocks

100g, 6 ms according to

standard CEI68-2-27

Note 1 :

QESM49H serie is fully RoHS compliant.

Ordering Information

QESM49H4

Part numbering system

25.000MHZ

Package type

Vibration

mode

1 = Fundamental

3 = 3

Overtone

Frequency

tolerance

Operating

temperature

range

Frequency

stability

Load

Capacitance

16=16pF

Please, enter the

value of load

capacitance

Nominal

Frequency

(MHz)

Please enter the

nominal

frequency

QESM49H4 :

QESM49H2 :

QESM49H32 :

HC49 SMD packaged

10=±10ppm

30=±30ppm

50=±50ppm

D=-40°C

F= -30°C

H=-20°C

J=-10°C

L=0°C

M=+50°C

N=+55°C

O=+60°C

Q=+70°C

T=+85°C

10=±10ppm

30=±30ppm

50=±50ppm

TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.

Frequency

QESM49H4 / H2 / H32

HC49 SMD Crystal – SMD packaged

Specification (rev-F)

June 30

, 2006

Suggested Reflow Soldering Profile

Tape Drawing

TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.

Frequency

QESM49H4 / H2 / H32

HC49 SMD Crystal – SMD packaged

Specification (rev-F)

June 30

, 2006

Reel Drawing

Multiple

1000pcs per reel

TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.

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