Mag Layers MSI-400404 User Manual
Ⅰ. SCOPE：
This specification applies to the Pb Free high current type SMD inductors for
MSI-400404-SERIES-□
PRODUCT INDENTIFICATION
MSI-400404-65N N - E
① ② ③ ④ ⑤
① Product Code
② Dimensions Code
③ Inductance Code
④ Tolerance Code
⑤ Inner Control Code
(1) SHAPES AND DIMENSIONS
A: 4.0 Max. mm
B: 4.0 Max. mm
C: 4.0 Max. mm
D: 1.0 ±0.2 mm
E: 1.4 ±0.2 mm
(2) ELECTRICAL SPECIFICATIONS
SEE TABLE 1
TEST INSTRUMENTS
L : HP 4284A PRECISION LCR METER (or equivalent)
RDC : CHROMA MODEL 16502 MILLIOHMMETER (or equivalent)
(3) CHARACTERISTICS
(3)-1 Operate temperature range ...... －40℃～＋125℃
(Including self temp. rise)
(3)-2 Storage temperature range ...... －40℃～＋125℃
MSI-400404-SERIES-□
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MAG.LAYERS
TABLE
Inductance Percent Test Rated DC Current
L(nH) Tolerance Frequency IDC1(A) IDC2(A)
22
L、M、N
100kHz/0.1V 32 22 22N
50
L、M、N
100kHz/0.1V 29 19 50N
65
L、M、N
100kHz/1.0V 0.32 Typ 0.4 Max. 24 19 65N
※ □ specify the inductance tolerance,L(±15%)、M(±20%)、N(±30%)
※ IDC1： Based on inductance change (△L/Lo：drop 20% Max.)@ ambient temp. 25℃
IDC2： Based on temperature rise (△T： 40℃ TYP.)
Rated DC Current： The less value which is IDC1 or IDC2 .
The nominal DCR is measured from point 〝a〞to point〝b〞.
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0.23±8.5%
0.32±9.0%
MSI-400404-SERIES-□
RDC TEST POINT
Marking
MAGLAYERS
PT/NO.
MSI-400404-22N□-E
MSI-400404-50N□-E
MSI-400404-65N□-E
Resistance
RDC(mΩ)
MAG.LAYERS
a b
(4) RELIABILITY TEST METHOD
MECHANICAL
TEST ITEM SPECIFICATION TEST DETAILS
Substrate bending
△L/Lo≦±5%
The sample shall be soldered onto the printed circuit board
in figure 1 and a load applied unitil the figure in the arrow
There shall be direction is made approximately 3mm.(keep time 30 seconds)
no mechanical PCB dimension shall the page 7/9
damage or elec- F(Pressurization)
trical damege.
Vibration
△L/Lo≦±5%
The sample shall be soldered onto the printed circuit board
and when a vibration having an amplitude of 1.52mm
There shall be and a frequency of from 10 to 55Hz/1 minute repeated should
no mechanical be applied to the 3 directions (X,Y,Z) for 2 hours each.
damage. (A total of 6 hours)
Solderability
New solder Flux (rosin, isopropyl alcohol{JIS-K-1522}) shall be coated
More than 90% over the whole of the sample before hard, the sample shall
then be preheated for about 2 minutes in a temperature of
130～150℃ and after it has been immersed to a depth 0.5mm
below for 3±0.2 seconds fully in molten solder M705 with
a temperature of 245±5℃.
More than 90% of the electrode sections shall be couered
with new solder smoothly when the sample is taken out of
the solder bath.
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MSI-400404-SERIES-□
PRESSURE ROD
figure-1
MAG.LAYERS
MECHANICAL
TEST ITEM SPECIFICATION
Resistance to There shall be Temperature profile of reflow soldering
Soldering heat no damage or
(reflow soldering) problems.
The specimen shall be passed through the reflow oven with the
condition shown in the above profile for 1 time.
The specimen shall be stored at standard atmospheric conditions
for 1 hour, after which the measurement shall be made.
ELECTRICAL
TEST ITEM SPECIFICATION TEST DETAILS
Temperature
△L/L20℃≦±10%
The test shall be performed after the sample has stabilized in
characteristics
0～2000 ppm/℃ an ambient temperature of -20 to +85℃,and the value
calculated based on the value applicable in a normal
temperature and narmal humidity shall be △L/L20℃≦±10%.
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MSI-400404-SERIES-□
Sodering temperature (℃)
soldering
(Peak temperature 260±3℃ 10 sec
Slow cooling
(Stored at room
temperature)
30 sec Min
(230
+0
℃)
300
250
200
150
100
50
2 min
10
sec.
2 min. or more
Pre-heating
150 ~ 180℃
MAG.LAYERS
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