This specification applies to the Pb Free high current type SMD inductors for
(1) SHAPES AND DIMENSIONS
(2) ELECTRICAL SPECIFICATIONS
MSI-110708-SERIES
Warn:It is here not to use synchronous rectification curcuit!
PRODUCT INDENTIFICATION
MSI-110708-R15 L
① ② ③ ④
① Product Code
② Dimensions Code
③ Inductance Code
④ Tolerance Code
SEE TABLE 1
TEST INSTRUMENTS
L : HP 4284A PRECISION LCR METER (or equivalent)
RDC : CHROMA MODEL 16502 MILLIOHMMETER (or equivalent)
IDC1 : CH3302/G LCR METER
CH1320,CH1320S BIAS CURRENT SOURCE(or equivalent)
(3)-1 Ambient temperature ……......... +60℃ Max.
(3)-2 Operate temperature range ...... -40℃~+125℃
(Including self temp. rise)
(3)-3 Storage temperature range ...... -40℃~+125℃
A: 11.0 Max. mm
B: 7.2 Max. mm
C: 7.8 Max. mm
D: 2.54 Typ. mm
E: 1.55 Typ. mm
MAG.LAYERS
MSI-110708-SERIES
Page 1/8
MAGLAYERS
PT/NO.
Inductance Percent Test Resistance Rated DC Current
Marking
L(μH) Tolerance Frequency RDC(mΩ) IDC1(A) IDC2(A)
MSI-110708-70N□
MSI-110708-R10□
MSI-110708-R12□
MSI-110708-R15□
MSI-110708-R22□
MSI-110708-R23□
MSI-110708-R30□
MSI-110708-R40□
MSI-110708-R51□
※ □ specify the inductance tolerance,K(±10%),L(±15%),M(±20%)
※ IDC1: Based on inductance change (△L/Lo: drop 20% Max.)@ ambient temp. 25℃
IDC2: Based on temperature rise (△T: 50℃ TYP.)
Rated DC Current: The less value which is IDC1 or IDC2 .
0.07 L,M 100kHz/1.0V 0.29 ±10%
0.10 L,M 100kHz/1.0V 0.29 ±10%
0.12 L,M 100kHz/1.0V 0.29 ±10%
0.15 L,M 100kHz/1.0V 0.29 ±10% 70 48 R15
0.22 L,M 100kHz/1.0V 0.29 ±10% 47 48 R22
0.23 K,L,M 100kHz/1.0V 0.29 ±10% 44 48 R23
0.30 L,M 100kHz/1.0V 0.29 ±10% 32 48 R30
0.40 L,M 100kHz/1.0V 0.29 ±10% 23 48 R40
0.51 L,M 100kHz/1.0V 0.29 ±10% 17 48 R51
>70
>70
>70
RDC TEST POINT
48 70N
48 R10
48 R12
The nominal DCR is measured from point 〝a〞to point〝b〞.
a
b
MAG.LAYERS
MSI-110708-SERIES Page-2/8
(4) RELIABILITY TEST METHOD
MECHANICAL
TEST ITEM SPECIFICATION TEST DETAILS
Substrate bending
△L/Lo≦±5%
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.
The sample shall be soldered onto the printed circuit board
in figure 1 and a load applied unitil the figure in the arrow
PRESSURE ROD
figure-1
Vibration
Solderability
△L/Lo≦±5%
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)
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
The sample shall be soldered onto the printed circuit board
and when a vibration having an amplitude of 1.52mm
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.
MAG.LAYERS
MSI-110708-SERIES
Page-3/8