SPECIFICATION FOR APPROVAL
REF :
PAGE: 6
CM4532□□□□L□-□□□
20070813-E
PROD.
NAME
ABC'S DWG NO.
ABC'S ITEM NO.
WOUND CHIP INDUCTOR
Ⅸ RELIABILITY TEST:
Test item
Specification
Test condition / Test method
Electrical performance test
Inductance L
□HP4194A with HP-16034E test fixture
Q
Self resonance
□HP4291A with HP-16093A test fixture
frequency SRF
Refer to standard
electrical
CH-502AC
DC Resistance RDC
Rated current IDC
characteristic list
Applied the current to coils,The
Inductance change shall be less than 10%
to initial value & temperature rise shall
not be more than 20℃
1
Applied the allowed DC current for
Temperature
rise test
10 minutes
20℃ max.
2
Temperature measure by digital
surface thermometer
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
100 VDC applied between inductor terminal and coating
1000 MΩ min
resistance test
Mechanical performance test
1
Inductors shall be
no evidence of
1
2
3
4
Amplitude:1.5 m/m
Vibration test
Frequency:10 -- 55 -- 10 Hz / 1min.
Direction:X,Y,Z
( Low frequency )
electrical and
mechanical damage
Duration:2 hrs / X,Y,Z
2
3
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
Q Shall not change
more than ±20%
Temp:260±5℃
Time:10±1.0 sec.
AR-001A