SPECIFICATION FOR APPROVAL
REF. :
ABC'S DWG NO.
REV.
CM3225□□□□L□-□□□
PAGE 5-1
PROD.
NAME
Wound Chip Inductor
20121109-L
Ⅶ-1﹒Reliability test:
Test item
Specification
Test condition / Test method
Electrical performance test
Inductance L
Q
□HP4194A with HP-16034E test fixture
Self resonance
frequency SRF
□HP4291A with HP-16093A test fixture
Refer to standard
electrical
characteristic list
CH-502AC
DC Resistance RDC
Applied the current to coils,The
Inductance change shall be less than 10%
to initial value & temperature rise shall
not be more than 20℃
Rated current IDC
1﹒Applied the allowed DC current for
10 minutes
2﹒Temperature measure by digital
surface thermometer
Temperature
rise test
20℃ max.
After test,Inductors
shall be no evidence
of electrical and
Applied 2 times of rated allowed DC
current to inductor for a period of
5 minutes
Over load test
mechanical damage
After tset,Inductors
shall be no evidence
of electrical and
Withstanding
voltage test
AC voltage of 1000VAC applied between
inductors terminal and coating for 5 seconds
mechanical damage
Insulation
resistance test
100 VDC applied between inductor terminal and coating
1000 MΩ min﹒
Mechanical performance test
1﹒Inductors shall be
no evidence of
1﹒Amplitude:1.5 m/m
2﹒Frequency:10 -- 55 -- 10 Hz / 1min.
3﹒Direction:X,Y,Z
Vibration test
( Low frequency )
electrical and
mechanical damage
4﹒Duration:2 hrs / X,Y,Z
2﹒Inductance shall
not change more
than±5%
Inductors shall be dropped 10 times from
a height of 1m onto 3cm wooden board
Shock test
Resistance to
soldering heat
3﹒Q Shall not change
more than ±20%
Temp:260±5℃
Time:10±1.0 sec.
AR-001C