Mag Layers MSCDB-1807H User Manual

SCOPE

：

⑤ Tolerance Code

(1) SHAPES AND DIMENSIONS

(2) ELECTRICAL SPECIFICATIONS

(3) CHARACTERISTICS

This specification applies to the Pb Free high current type SMD inductors for
MSCDB-1807H-SERIES

PRODUCT INDENTIFICATION
MSCDB-1807 H-680 M

① ② ③ ④ ⑤

① Product Code
② Dimensions Code
③ High Current
④ Inductance Code

A: 19.40 Max. mm
B: 13.30 Max. mm
C: 6.80 Max. mm
D: 12.2 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.
MSCDB-1807H-4R7□
MSCDB-1807H-6R8□

MSCDB-1807H-680□

※ □ specify the inductance tolerance,M(±20%),N(±30%)
※ IDC1： Based on inductance change (△L/Lo： drop 10%Max. )

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

Inductance Percent Test Resistance Rated DC Current

L(μH) Tolerance Frequency RDC(Ω)Max. IDC1(A) IDC2(A)

4.7 N 100kHz,0.25V 12m 6.5 7.0 4R7

6.8 N 100kHz,0.25V 19m 5.8 5.5 6R8
68 M,N 100kHz,0.25V 0.156 1.6 2.0 680

Marking

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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±2℃.
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

MSCDB-1807H-SERIES

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