This specification applies to the Pb Free high current type SMD Coupled inductors for
(1) SHAPES AND DIMENSIONS
MSI-101004PF-SERIES-□
Warn : It is here not to use synchronous rectification curcuit!
PRODUCT INDENTIFICATION
MSI - 101004PF - R20 M -E
① ② ③ ④ ⑤
① Product Code
② Dimensions Code
③ Inductance Code
④ Tolerance Code
⑤ Inner Control Code
A: 9.7±0.3 mm
R24
EPOXY
(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 Ambient temperature ……......... +60℃ Max.
(3)-2 Operate temperature range ...... -40℃~+125℃
(Including self temp. rise)
B: 9.7±0.3 mm
C: 3.7±0.3 mm
D: 2.5±0.3 mm
E: 1.8±0.3 mm
F: 1.55±0.3 mm
G: 5.3±0.3 mm
(3)-3 Storage temperature range ...... -40℃~+125℃
MAG.LAYERS
MSI-101004PF-SERIES-□
Page 1/8
MAGLAYERS
MSI-101004PF-R20M-E
Inductance (μH)
L(1-2),L(4-3)
0.20±20% 100±20%
2Lk (nH)
(1-4@2-3 short)
Resistance
RDC(mΩ)
(1-2,4-3)
0.252±8%
Rated DC Current (Max.)
IDC1(A )
(1-2,4-3)
20 55
IDC2(A)
(1-4)@2-3
short
IDC3(A)
(1-4)@2-3
short
33
Marking
R20
MSI-101004PF-R24M-E
Test Frequency : 100KHz/0.1V
※ IDC1: Based on inductance change (△L/Lo:drop 20% Typ.) @ ambient temp. 25℃
IDC2:Based on inductance change (△L/Lo: drop 20% Typ.) @ ambient temp. 25℃
IDC3: Based on temperature rise (△T: 40℃ TYP.)
0.24±20%
100±20%
0.252±8% 20 55 33 R24
RDC TEST POINT
SCHEMATIC
MAG.LAYERS
MSI-101004PF-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-101004PF-SERIES-□
Page 3/8