suitable of the reflow.
|
PN
|
Item
|
Specification
|
Test Method
|
|
|
1
|
Appearance Dimensions
|
No fail
|
Microtelescope of
20 or 30
|
|
|
2
|
L value
Q value
|
suitable of the product elctrical
specification
|
measured by using HP4291A RF Impedance & material
Analyzer with fixture HP16193A under the applied
frequency
|
|
|
3
|
Rdc
|
suitable of the product elctrical
specification
|
measured by using HP4291A RF Impedance & material
Analyzer with fixture HP16193A under the gived
frequency. The current is 10mA.
|
|
|
4
|
SRF
|
suitable of the product elctrical
specification
|
Measured by using R3767AH Network Analyzer.
|
|
|
5
|
Allowable DC Current
|
suitable of the product elctrical
specification
|
When the allowable current is applied
,the self temperature
rise shall be limited to 25 degree max.
|
|
|
6
|
Dielectric withstanding
Voltage
|
No Evidence of
voltage breakdown
|
Test to be made with 200VAC loaded
on the tow terminals of inductor for at most 1 minute.
|
|
|
7
|
Insulation
resistance
|
Not less than 1G ohms.
|
Test to be made with 100 VDC loaded on the
two terminals of inductor
|
|
|
8
|
Solderability
|
The metalized are must be
have 80% min solder coverage
|
The inductor to be kept dipping
in solder(60Sn/40Pb) at 235+/-5 degree for 5 seconds.
|
|
|
9
|
Risistance to soldering heat
|
There shall be no case deformation or
change in apperance.
Inductance shall not change more than 5%.
Q value shall not change
more than 10%.
|
Inductors shall be reflowed onto
P.C board using 63Sn/37Pb solder paste.Solder process
shall be 230C for 2 seconds and 260C for 5 seconds.
|
|
|
10
|
Bonding strength
|
For 1008 and 0805 serise:20N
For 0603 serise:10N
|
To solder the inductor onto the test board,and
to impose sepcified static thrust onto it as shown.The
inductor should be free of damage.
|
|
|
11
|
Thermal shock
|
There shall be no case deformation or
change in appearance.
Inductance shall not be change more than 5%
Q shall not be change more than 10%.
|
The inductor shall be processed for 10 cycles of following
steps:
1:To be kept at -40 degree fro 15 minutes.
2:To be kept at +125 degree for 15 minutes.
To be recovered at room temperature for 1 hour after
testing then to measure it.
|
|
|
12
|
Low temperature storage
|
There shall be no case deformation or
change in appearnce.
Inductance shall not be change more than 5%.
Q shall not be change more than 10%.
|
Inductors shall be subjected to -40C for 48+2 hours.
Inductors shall be tested after 24 hours at room
temperature and shall be no case deformation or
change in appearance.
|
|
|
13
|
Risistance to humidity
|
There shall be no case deformation or
change in appearance.
Inductance shall not change more than 5%.
Q shall not be change more than 10%.
|
As per MIl-STD202-106,the inductor to be processed
for 10 cycles
(24 hour per cycle) at the temperature of 25 degree
to 65 degree and the humidity of 80% to 95%.In any
of the preceding 9 cycles,the inductor should be stored
at -10 degree for 3 hours.After test,the inductor
to be recovered at romm temperature for 2 hours for
measurement.
|
|
|
14
|
High temperature
|
There shall be no case deformation or
change in appearance.
Inductance shall not be change more than 5%.
Q shall not be change more than 10%.
|
Inductors shall be subjected to 125C for 48+2 hours.
Inductors shall be tested after 24 hours at room
temperature and shall be no case deformation or
change in appearance
|
|
|
15
|
Viabration
|
There shall be no case deformation or
change in appearance.
Inductance shall not be change more than 5%.
Q shall not be change more than 10%.
|
Inductors shall be randomly vibrated per GJB360.13
for frequency of 10~55 Hz ,magnitute of 0.75mm ,
2 hours per axis,for each for 3 axes
|
|
|
16
|
Life
|
There shall be no case deformation
or change in appearance.
|
Inductors shall be stored at 85+2C for 1000 hours
with rated current applied.
|
|
