SPECIFICATION FOR APPROVAL
20080718-A
REF :
PAGE: 5
PROD.
NAME
ABC'S DWG NO.
ABC'S ITEM NO.
CM2520□□□□3□-□□□
WOUND CHIP INDUCTOR
Ⅷ﹒RELIABILITY TEST：
Test item
Specification
Test condition / Test method
Electrical performance test
Inductance L
□HP4194A with HP-16034E test fixture
Q
Self resonance
frequency SRF
□HP4291A with HP-16093A test fixture
Refer to standard
electrical
characteristic list
CH-502AC
DC Resistance RDC
Rated current IDC
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
10 minutes
2﹒Temperature measure by digital
Temperature
rise test
20℃ max.
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
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-001A
ABC [ ABC Taiwan Electronics Corp ]
