Mag Layers MSCDRI-4D18 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-4D18-SERIES

PRODUCT INDENTIFICATION
MSCDRI-4D18-100 M

① ② ③ ④

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

A: 4.70±0.3 mm
B: 4.70±0.3 mm
C: 2.00 Max. mm
D: 4.50 Typ. mm
E: 4.50 Typ. mm
F: 1.50 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-4D18-1R0□

Inductance Percent Test Resistance Rated DC Current

L(μH) Tolerance Frequency RDC(Ω)Max.

1.0 N 100kHz/0.25V 45m 1R0

IDC(A)

1.72

Marking

MSCDRI-4D18-2R2□
MSCDRI-4D18-2R7□
MSCDRI-4D18-3R3□
MSCDRI-4D18-3R9□
MSCDRI-4D18-4R7□
MSCDRI-4D18-5R6□
MSCDRI-4D18-6R8□
MSCDRI-4D18-8R2□
MSCDRI-4D18-100□
MSCDRI-4D18-120□
MSCDRI-4D18-150□
MSCDRI-4D18-180□
MSCDRI-4D18-220□
MSCDRI-4D18-270□
MSCDRI-4D18-330□
MSCDRI-4D18-390□
MSCDRI-4D18-101□
MSCDRI-4D18-221□

2.2 N 100kHz/0.25V 75m 2R2

2.7 N 100kHz/0.25V 0.105 2R7

3.3 N 100kHz/0.25V 0.110 3R3

3.9 N 100kHz/0.25V 0.155 3R9

4.7 M,N 100kHz/0.25V 0.162 4R7

5.6 M,N 100kHz/0.25V 0.170 5R6

6.8 M,N 100kHz/0.25V 0.200 6R8

8.2 M,N 100kHz/0.25V 0.245 8R2
10 M,N 100kHz/0.25V 0.260 100
12 M,N 100kHz/0.25V 0.280 120
15 M,N 100kHz/0.25V 0.310 150
18 M,N 100kHz/0.25V 0.338 180
22 M,N 100kHz/0.25V 0.397 220
27 M,N 100kHz/0.25V 0.441 270
33 M,N 100kHz/0.25V 0.694 330
39 M,N 100kHz/0.25V 0.709 390

100 M,N 100kHz/0.25V 1.400 101

220 M,N 100kHz/0.25V 2.400 221

1.32

1.28

1.04

0.88

0.84

0.80

0.76

0.68

0.61

0.56

0.50

0.48

0.41

0.35

0.32

0.30

0.20

0.15

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

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

MAG.LAYERS

MSCDRI-4D18-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-4D18-SERIES

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