Mag Layers MNR-4026 User Manual

SCOPE

：

(1) SHAPES AND DIMENSIONS

(2) ELECTRICAL SPECIFICATIONS

(3) CHARACTERISTICS

This specification applies to the Pb Free high current type SMD inductors for
MNR-4026-SERIES

PRODUCT INDENTIFICATION
MNR - 4026 - 4R7 M

① ② ③ ④

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

A: 4.0±0.2 mm
B: 4.0±0.2 mm
C: 2.6Max. mm
D: 1.8Typ. mm
E: 1.1Typ. 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.
MNR-4026-3R5□
MNR-4026-4R7□
MNR-4026-6R6□

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

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

Inductance Percent L Test Resistance

L(μH) Tolerance Frequency RDC(Ω)±30% IDC1(A) IDC2(A)

3.5 M,N 100KHz/0.1V 50m 1.70 1.70 3R5

4.7 M,N 100KHz/0.1V 55m 1.60 1.60 4R7

6.6 M,N 100KHz/0.1V 65m 1.50 1.50 6R6

Rated DC Current

Marking

MAG.LAYERS

MNR-4026-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

MNR-4026-SERIES

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