This specification applies to the Pb Free high current type SMD inductors for
(1) SHAPES AND DIMENSIONS
(2) ELECTRICAL SPECIFICATIONS
MNR-3012-SERIES
PRODUCT INDENTIFICATION
MNR - 3012 - 3R3 N
① ② ③ ④
① Product Code
② Dimensions Code
③ Inductance Code
④ Tolerance Code
A: 3.0±0.1 mm
B: 3.0±0.1 mm
C: 1.20Max. mm
D: 1.30Typ. mm
E: 0.85Typ. mm
SEE TABLE 1
TEST INSTRUMENTS
L : HP 4284A PRECISION LCR METER (or equivalent)
SRF : HP 4291B IMPEDANCE ANALYZER (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
MNR-3012-SERIES Page 1/8
MAGLAYERS
PT/NO.
MNR-3012-1R0□
MNR-3012-1R5□
MNR-3012-2R2□
MNR-3012-3R3□
MNR-3012-4R7□
MNR-3012-6R8□
MNR-3012-100□
MNR-3012-150□
MNR-3012-330□
MNR-3012-470□
※ □ specify the inductance tolerance,M(±20%),N(±30%)
※ IDC1: Based on inductance change (△L/Lo: drop 30% Max.) @ ambient temp. 25℃
IDC2: Based on temperature rise (△ T: 40℃ Typ.)
Rated DC Current: The less value whith is IDC1 or IDC2.
Inductance Percent L Test SRF(MHz) Resistance
L(μH) Tolerance Frequency Min. RDC(Ω)±20% IDC1(A) IDC2(A)
1.0 N 100KHz/0.25V 110 50m 1.50 1.49
1.5 N 100KHz/0.25V 92 60m 1.36 1.40
2.2 M,N 100KHz/0.25V 70 80m 1.10 1.20
3.3 M,N 100KHz/0.25V 55 0.10 0.91 1.05
4.7 M,N 100KHz/0.25V 48 0.13 0.77 0.98
6.8 M,N 100KHz/0.25V 40 0.19 0.60 0.74
10 M,N 100KHz/0.25V 32 0.29 0.54 0.63
15 M,N 100KHz/0.25V 27 0.45 0.44 0.485
33 M,N 100KHz/0.25V 19 1.03 0.31 0.33
47 M,N 100KHz/0.25V 17 1.45 0.25 0.28
Rated DC Current
MAG.LAYERS
MNR-3012-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
MNR-3012-SERIES
Page-3/8