Mag Layers MSCDRI-4D28C User Manual

SCOPE

：

This specification applies to the Pb Free high current type SMD inductors for

(1) SHAPES AND DIMENSIONS

(2) ELECTRICAL SPECIFICATIONS

(3) CHARACTERISTICS

MSCDRI-4D28C-SERIES

PRODUCT INDENTIFICATION
MSCDRI - 4D28C - 100 M

① ② ③ ④

① Product Code
② Dimensions Code
③ Inductance Code
④ Tolerance Code

A: 5.10 Max. mm
B: 5.10 Max. mm
C: 3.00 Max. mm
D: 4.40 Typ. mm
E: 6.20 Max. mm
F: 1.40 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

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TABLE 1

MAGLAYERS

PT/NO.
MSCDRI-4D28C-1R1□
MSCDRI-4D28C-2R0□
MSCDRI-4D28C-3R2□
MSCDRI-4D28C-4R7□
MSCDRI-4D28C-6R3□
MSCDRI-4D28C-100□
MSCDRI-4D28C-150□
MSCDRI-4D28C-220□
MSCDRI-4D28C-330□
MSCDRI-4D28C-470□
MSCDRI-4D28C-680□
MSCDRI-4D28C-101□

※ □ specify the inductance tolerance,M(±20%),N(±30%)
※IDC : Based on inductance change (△L/Lo： drop 35% max) @ ambient temp. 25℃ and

Based on temperature rise (△T： 40℃ TYP.)

Inductance Percent Test Resistance Rated DC Current

L(μH) Tolerance Frequency RDC(Ω)Max.

1.1 N 100kHz/0.25V 22m 1R1

2.0 M,N 100kHz/0.25V 29m 2R0

3.2 N 100kHz/0.25V 42m 3R2

4.7 M,N 100kHz/0.25V 63m 4R7

6.3 N 100kHz/0.25V 94m 6R3
10 M,N 100kHz/0.25V 0.106 100
15 M,N 100kHz/0.25V 0.137 150
22 M,N 100kHz/0.25V 0.207 220
33 M,N 100kHz/0.25V 0.331 330
47 M,N 100kHz/0.25V 0.510 470
68 M,N 100kHz/0.25V 0.625 680

100 M,N 100kHz/0.25V 0.948 101

IDC(A)

3.80

2.60

2.30

1.80

1.30

1.26

1.05

0.85

0.70

0.54

0.49

0.40

Marking

MAG.LAYERS

MSCDRI-4D28C-SERIES

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(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-4D28C-SERIES

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