Ⅰ
. SCOPE
：
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
TABLE
MAGLAYERS
Coupling
Inductance
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
MECHANICAL
(230
℃)
TEST ITEM SPECIFICATION
Resistance to There shall be Temperature profile of reflow soldering
Soldering heat no damage or
(reflow soldering) problems.
300
250
soldering
(Peak temperature 260±3℃ 10 sec
200
150
100
Sodering temperature (℃)
50
Pre-heating
150 ~ 180℃
2 min
30 sec Min
+0
10
sec.
Slow cooling
(Stored at room
temperature)
2 min. or more
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%.
MAG.LAYERS
MSI-101004PF-SERIES-□
Page 4/8
ENVIROMENT CHARACTERISTICS
TEST ITEM SPECIFICATION
High temperature
storage
△L/Lo≦±5%
There shall be Upon completion of the measurement shall be made after the
no mechanical sample has been left in a normal temperature and normal
damage. humidity for 1 hour.
The sample shall be left for 96±4 hours in an atmospere with
a temperature of 125℃ and a normal humidity.
Low temperature
storage
Change of
temperature in the table 2 below and then it shall be subjected to standard
△L/Lo≦±5%
There shall be Upon completion of the test, the measurement shall be made
no mechanical after the sample has been left in a normal temperature and
damage. normal humidity for 1 hour.
△L/Lo≦±5%
There shall be atmospheric conditions for 1 hour, after which measurement
no other dama- shall be made.
ge of problems
The sample shall be left for 96±4 hours in an atmosphere with
a temperature of -25±3℃.
The sample shall be subject to 5 continuos cycles, such as shown
table 2
Temperature Duration
1
(Themostat No.1)
2
atmospheric
3
(Themostat No.2)
4
atmospheric
－25±3℃
Standard
85±2℃
Standard
30 min.
No.1→No.2
30 min.
No.2→No.1
Moisture storage
Test conditions：
The sample shall be reflow soldered onto the printed circuit board in every test.
△L/Lo≦±5%
There shall be Upon completion of the test, the measurement shall be made
no mechanical after the sample has been left in a normal temperature and
damage. normal humidity more than 1 hour.
MAG.LAYERS
The sample shall be left for 96±4 hours in a temperature of
40±2℃ and a humidity(RH) of 90～95%.
MSI-101004PF-SERIES-□
Page 5/8
(5) LAND DIMENSION (Ref.)
PCB: GLASS EPOXY t＝1.6mm
(5)-1 LAND PATTERN DIMENSIONS(mm)
(STANDARD PATTERN) Unit:mm
(5)-2 SUBSTRATE BENDING TEST BENDING TEST BOARD
MAG.LAYERS
Page-7/9 Page 6/8
MSI-101004PF-SERIES-□
(6) PACKAGING
(6)-1 CARRIER TAPE DIMENSIONS (mm)
(6)-2 TAPING DIMENSIONS (mm)
Unreeling
Direction
MAG.LAYERS
MSI-101004PF-SERIES-□
Page 7/8
(6)-3 REEL DIMENSIONS (mm)
(6)-4 QUANTITY
900 pcs/Reel
The products are packaged so that no damage will be sustained.
Page-9/9
MAG.LAYERS
MSI-101004PF-SERIES-□
Page 9/8
TYPICAL ELECTRICAL CHARACTERISTICS
Temperature Rise vs. DC Current
【
L1 , L2
】
INDUCTANCE vs. DC CURRENT@100kHz/1.0V 【2LK】
Ambient Temperature : 25℃
MSI-101004PF-SERIES-□
0.14
0.12
0.10
0.08
0.06
Inductance(uH)
0.04
0.02
0.00
0 10 20 30 40 50 60 70 80
DC Current(A)
MSI-101004PF-SERIES-□
60
50
)
40
℃
30
20
Temperature(
10
0
0 10 20 30 40
DC Current(A)
MAG.LAYERS
MSI-101004PF-SERIES-□
ATTACHMENT-1
Loading...