SCOPE
：
This specification applies to the Pb Free high current type SMD inductors
(1) SHAPES AND DIMENSIONS
(2) ELECTRICAL SPECIFICATIONS
(3) CHARACTERISTICS
for MSCD-73-SERIES
PRODUCT INDENTIFICATION
MSCD - 73 - 220 M
① ② ③ ④
① Product Code
② Dimensions Code
③ Inductance Code
④ Tolerance Code
A: 7.8 ± 0.3 mm
B: 7.2 ± 0.3 mm
C: 4.0 Max. mm
D: 2.6 Typ. 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
MSCD-73-SERIES Page 1/8
TABLE 1
MAGLAYERS
PT/NO.
MSCD-73-1R0□
MSCD-73-3R3□
MSCD-73-4R7□
MSCD-73-6R8□
MSCD-73-100□
MSCD-73-120□
MSCD-73-150□
MSCD-73-180□
MSCD-73-220□
MSCD-73-270□
MSCD-73-330□
MSCD-73-390□
MSCD-73-470□
MSCD-73-560□
MSCD-73-680□
MSCD-73-820□
MSCD-73-101□
MSCD-73-121□
MSCD-73-151□
MSCD-73-181□
MSCD-73-221□
MSCD-73-271□
MSCD-73-331□
MSCD-73-391□
MSCD-73-471□
Inductance Percent Test Resistance Rated DC Current
L(μH) Tolerance Frequency
1.0 M,N 100kHz/0.25V 10.0m 1R0
3.3 M,N 100kHz/0.25V 20.0m 3R3
4.7 M,N 100kHz/0.25V 23.4m 4R7
6.8 M,N 100kHz/0.25V 36.0m 6R8
10 M,N 100kHz/0.25V 80.3m 100
12 M,N 100kHz/0.25V 89.7m 120
15 M,N 100kHz/0.25V 0.104 150
18 M,N 100kHz/0.25V 0.111 180
22 M,N 100kHz/0.25V 0.129 220
27 M,N 100kHz/0.25V 0.153 270
33 M,N 100kHz/0.25V 0.170 330
39 M,N 100kHz/0.25V 0.217 390
47 M,N 100kHz/0.25V 0.252 470
56 K,M 100kHz/0.25V 0.282 560
68 K,M 100kHz/0.25V 0.332 680
82 K,M 100kHz/0.25V 0.406 820
100 K,M 100kHz/0.25V 0.481 101
120 K,M 100kHz/0.25V 0.536 121
150 K,M 100kHz/0.25V 0.755 151
180 K,M 100kHz/0.25V 1.022 181
220 K,M 100kHz/0.25V 1.200 221
270 K,M 100kHz/0.25V 1.306 271
330 K,M 100kHz/0.25V 1.495 331
390 K,M 100kHz/0.25V 2.70 391
470 K,M 100kHz/0.25V 3.00 471
RDC(Ω)Max.
IDC(A)
4.60
4.00
3.70
3.00
1.44
1.39
1.24
1.12
1.07
0.94
0.85
0.74
0.68
0.64
0.59
0.54
0.51
0.49
0.40
0.36
0.31
0.29
0.28
0.27
0.25
Marking
※ □ Specify the inductance tolerance, K(±10%),M(±20%),N(±30%)
※ IDC : Based on inductance change (△L/Lo：drop 10% Max.) @ ambient temperature 25℃
and Based on temperature rise (△T： 40℃ TYP.)
MAG.LAYERS
MSCD-73-SERIES
Page-3/9
(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
MSCD-73-SERIES
Page-3/8
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