SCOPE
：
(1) SHAPES AND DIMENSIONS
A: 7.5± 0.4
(2) ELECTRICAL SPECIFICATIONS
(3) CHARACTERISTICS
This specification applies to the Pb Free high current type SMD inductors for
MSCDRI-74B-SERIES
PRODUCT INDENTIFICATION
MSCDRI-74B-100 M
① ② ③ ④
① Product Code
② Dimensions Code
③ Inductance Code
④ Tolerance Code
CA
B: 7.0± 0.4 mm
B
C: 4.5± 0.5 mm
D: 2.5 Typ.mm
E: 2.5 Typ.mm
mm
SEE TABLE 1
TEST INSTRUMENTS
L : HP 4284A PRECISION LCR METER (or equivalent)
RDC : CHROMA MODEL 16502 MILLIOHMMETER (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℃
MAG.LAYERS
MSCDRI-74B-SERIES Page 1/8
TABLE 1
MAGLAYERS
PT/NO. IDC(A)
MSCDRI-74B-100□
MSCDRI-74B-120□
MSCDRI-74B-150□
MSCDRI-74B-180□
MSCDRI-74B-220□
MSCDRI-74B-270□
MSCDRI-74B-330□
MSCDRI-74B-390□
MSCDRI-74B-470□
MSCDRI-74B-560□
MSCDRI-74B-680□
MSCDRI-74B-820□
MSCDRI-74B-101□
MSCDRI-74B-121□
MSCDRI-74B-151□
MSCDRI-74B-181□
MSCDRI-74B-221□
MSCDRI-74B-271□
Inductance Percent Test Resistance Rated DC Current
L(μH) Tolerance Frequency RDC(Ω) Max.
10 M,N 100kHz,0.25V 70m 100
12 M,N 100kHz,0.25V 70m 120
15 M,N 100kHz,0.25V 80m 150
18 M,N 100kHz,0.25V 0.10 180
22 M,N 100kHz,0.25V 0.12 220
27 M,N 100kHz,0.25V 0.16 270
33 M,N 100kHz,0.25V 0.18 330
39 M,N 100kHz,0.25V 0.18 390
47 M,N 100kHz,0.25V 0.27 470
56 M,N 100kHz,0.25V 0.29 560
68 M,N 100kHz,0.25V 0.33 680
82 M,N 100kHz,0.25V 0.43 820
100 M,N 100kHz,0.25V 0.49 101
120 M,N 100kHz,0.25V 0.68 121
150 M,N 100kHz,0.25V 0.94 151
180 M,N 100kHz,0.25V 1.00 181
220 M,N 100kHz,0.25V 1.18 221
270 M,N 100kHz,0.25V 1.30 271
Marking
1.50
1.30
1.22
1.13
1.08
0.84
0.78
0.74
0.66
0.64
0.54
0.52
0.42
0.40
0.35
0.33
0.32
0.28
※ □ specify the inductance tolerance,M(±20%),N(±30%)
※IDC : Based on inductance change (△L/Lo： drop 10% max) and
Based on temperature rise (△T： 40℃ TYP.)
MAG.LAYERS
MSCDRI-74B-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
MSCDRI-74B-SERIES
Page-3/8
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