Ⅰ. SCOPE：
This specification applies to the Pb Free high current type SMD inductors for
MSI-900608-SERIES-□
PRODUCT INDENTIFICATION
MSI-900608-R15 K - 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: 9.4±0.2 mm
B: 6.2±0.2 mm
C: 8.0 Max. mm
D: 2.30±0.2 mm
E: 2.14±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-900608-SERIES-□
Page 1/8
IDC1 :WK3255B+3265B (or equivalent)
MAG.LAYERS
TABLE
Inductance Percent Test Resistance Rated DC Current
L(μH) Tolerance Frequency RDC(mΩ) IDC1(A) IDC2(A)
0.15 K,M 100kHz/1.0V
0.29±5%
65 51 R15
0.18 K,M 100kHz/1.0V
0.29±5%
54 51 R18
0.22 K,M 100kHz/1.0V 0.29±5% 44 51 R22
0.30 K,M 100kHz/1.0V 0.29±5% 32.5 51 R30
※ □ specify the inductance tolerance,K(±10%),M(±20%)
※ IDC1： Based on inductance change (△L/Lo：drop 20% Typ.)@ 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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Marking
MAGLAYERS
PT/NO.
MSI-900608-R15□-E
MSI-900608-R18□-E
MSI-900608-R22□-E
MSI-900608-R30□-E
MSI-900608-SERIES-□
RDC TEST POINT
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.
Page-3/8
MSI-900608-SERIES-□
PRESSURE ROD
figure-1
MAG.LAYERS
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