Mag Layers MSCDRI-8D28 User Manual

SCOPE

：

(1) SHAPES AND DIMENSIONS

A: 8.00±0.3

C: 3.00 Max.

D: 2.50 Typ.

E: 6.30 Typ.

F: 1.20 Typ.

(2) ELECTRICAL SPECIFICATIONS

(3) CHARACTERISTICS

This specification applies to the Pb Free high current type SMD inductors for
MSCDRI-8D28-SERIES

PRODUCT INDENTIFICATION
MSCDRI - 8D28 - 100 M

① ② ③ ④

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

B: 8.00±0.3 mm

mm

mm
mm
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-8D28-SERIES

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TABLE 1

MAGLAYERS

PT/NO.

Inductance Percent Test Resistance Rated DC Current

Marking

L(μH) Tolerance Frequency RDC(Ω) Max. IDC1(A) IDC2(A)
MSCDRI-8D28-2R5□
MSCDRI-8D28-3R3□
MSCDRI-8D28-3R6□
MSCDRI-8D28-4R7□
MSCDRI-8D28-7R3□

MSCDRI-8D28-100□
MSCDRI-8D28-150□
MSCDRI-8D28-220□
MSCDRI-8D28-330□
MSCDRI-8D28-470□
MSCDRI-8D28-680□
MSCDRI-8D28-101□

※ □ specify the inductance tolerance,M(±20%),N(±30%)
※ IDC1： Based on inductance change (△L/Lo： ≦ drop 35%) @Ambient Temperature : 25℃

IDC2： Based on temperature rise (△T： 40℃ TYP.)
Rated DC Current： The less value which is IDC1 or IDC2.

2.5 N 100kHz/0.25V 15.6m 4.50 6.40 2R5

3.3 M,N 100kHz/0.25V 18.2m 4.00 6.00 3R3

3.6 M,N 100kHz/0.25V 24.0m 3.80 4.60 3R6

4.7 M,N 100kHz/0.25V 24.7m 3.40 4.50 4R7

7.3 N 100kHz/0.25V 39.0m 2.80 3.40 7R3
10 M,N 100kHz/0.25V 47.0m 2.50 3.20 100
15 M,N 100kHz/0.25V 69.0m 1.90 2.35 150
22 M,N 100kHz/0.25V 99.0m 1.60 1.85 220
33 M,N 100kHz/0.25V 0.156 1.30 1.45 330
47 M,N 100kHz/0.25V 0.195 1.15 1.30 470
68 M,N 100kHz/0.25V 0.286 0.92 0.98 680

100 M,N 100kHz/0.25V 0.430 0.75 0.80 101

MAG.LAYERS

MSCDRI-8D28-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-8D28-SERIES

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