page 1 of 7
CRYSTAL SEPECIFICATION
Customer
Customer P/N
Part Name
Product Description
Issue Date
:
:
:
:
:
49SMD 4M 15PF 20PPM
49SMD-4.000000M-15PF-20PPM
2017.10.20
CUSTOMER’S APPROVAL
(PLEASE
RETURN A COPY WITH APPOVAL
Hubei TKD Electronic Technology Co.,LTD
湖北泰晶电子科技股½有限公司
APPROVED
黄祥秒
DESIGNER
代伟
SALE：TEL
：0722-3309660
QCD：TEL
：0722-3308231
FAE：TEL
：0755-27328651
FAX
：0722-3309768
FAX
：0722-3309768
FAX
：0755-27328001
page 2 of 7
REV.
A
Description of Revision History
New revision
Date
2015-11-25
Designer
DaiWei
Checked By
Huangx m
page 3 of 7
CRYSTAL SEPECIFICATION
1.
2.
3.
4.
5.
6.
Description:
Quartz Crystal
Nominal Frequency:
4.000000MHz
Oscillation Mode:
Fundamental
Cutting Mode:
AT cut
Measurement Instrument: S&A 250B(Measured FL)
Electrical Characteristics:
[1]Operation Conditions:
Item
Operating Temperature Range
Storage Temperature Range
Load Capacitance
Drive Level
[2]Frequency Stability:
Item
Tolerance
Stability Over Temperature
Aging
Symbol
dF/Fo
dF/F25
dF/F25
MIN.
-20
-30
-5
TYP.
MAX.
20
30
5
Unit
ppm
ppm
ppm
Condition
Refer to Center Frequency@25±3℃
Refer to Operating Temperature
Per Year
Symbol
Topt
Tstg
CL
DL
0.1
MIN.
-20
-40
15
100
TYP.
MAX.
75
85
Unit
℃
℃
pF
uW
Condition
dF/Fo:Frequency Deviation Refer to Center Frequency
dF/F25:Frequency Deviation Refer to 25℃ Frequency
[3]Electrical Performance:
Item
Equivalent Series Resistance
Shunt Capacitance
Insulation Resistance
7.
Marking:Laser
4.00 :Nominal Frequency
Symbol
ESR
C0
IR
500
MIN.
TYP.
MAX.
30
7
Unit
Ω
pF
MΩ
@DC 100 Volt
@Series
Condition
4.00
page 4 of 7
8.
Outline drawing (unit：mm)
page 5 of 7
9.
Reliability Specification
Test Item
Condition of test
The unit’s lead wire should withstand a tensile force applied to the
termination in the direction of its draw-out axis of up to 1000g
maintained as is for 10±2s
The lead is immersed in a 235±5℃ solder bath within 2±0.5
seconds.
Performance
Requirements
There should be no
abnormalities detected on
the unit
A new uniform coating of
solder shall cover min
mun 95% of the surface
being immersed.
(1).Frequency
Change:±5ppm
(2).Resistance:±15%
Tensile Strength
Termination
Solder ability
Vibration
Endurance condition by a frequency sweep shall be made. The
entire frequency range from 10HZ to 50HZ and return to
10HZ,shall be transverseb in 1min. Amplitude(total
excursion):1.5mm this motion shall be applied for a period of 2h
each of 3 mutually perpendicular axes(a total of 6h)
Form 70cm height 3 times on 3cm hard wooden floor
Drop
(1).Frequency
Change:±5ppm
(2).Resistance:±15%
(1).Frequency
Change:±5ppm
(2).Resistance:±15%
(1).Frequency
Change:±5ppm
(2).Resistance:±15%
(1).Frequency
Change:±5ppm
(2).Resistance:±15%
(1).Frequency
Change:±5ppm
(2).Resistance:±15%
Refer
to
specification
Refer
to
specification
verdict
Shock
Peak acceleration:981m/s
2
duration of the pulse :6ms three
successive shocks shall be applied in both direction of 3 mutually
perpendicular axes(a total of 18 shocks)
The unit shall be stored at a temperature of 40±2℃with relative
humidity of 90%to95% for 48h, then it shall be subjected to
standard atmospheric conditions for 1
½
2h after which
measurement shall be made.
The unit shall be stored at a temperature of 100℃±5℃ for 24h,
then it shall be subjected to standard atmospheric conditions for
1½2h after which measurement shall be made.
The unit shall be stored at a temperature of-40℃±5℃ for 48h, then
it shall be subjected to standard atmospheric conditions for 1½2h
after which measurement shall be made.
The unit shall be stored at a temperature of 85℃±5℃ for 7d then it
shall be subjected to standard atmospheric conditions for 1½2h
after which measurement shall be made.
The unit shall be subjected to 5 successive change of temperature
cycles, each as show in table below,then it shall be subjected to
standard atmospheric conditions for 1
½
2h after which
measurement shall be made
Temperature
1
2
3
4
-40℃±3℃
Standard atmospheric
conditions
100℃±3℃
Standard atmospheric
conditions
Duration
30min
Within 30s
30min
Within 30s
Damp heat
Dry heat
Cold
Aging
Temperature
cycling
verdict
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