Power Inductors
M
I
L
I
T
A
R
Y
A
P
P
R
O
V
E
D
1/2009
SERIES
MILP1812
MIL-PRF-27/368 Qualified
Surface Mount Power Inductors
Actual Size
Physical Parameters
Inches Millimeters
A 0.166 to 0.190 4.22 to 4.83
B 0.118 to 0.134 3.00 to 3.40
C 0.118 to 0.134 3.00 to 3.40
D 0.015 Min. 0.38 Min.
E 0.054 to 0.078 1.37 to 1.98
F 0.118 (Ref. only) 3.00 (Ref. only)
G 0.066 (Ref. only) 1.68 (Ref. only)
Dimensions “A” and “C” are over terminals
–
Operating Temperature Range
Current Rating at 90°C Ambient 40°C Rise
Maximum Power Dissipation at 90°C 0.278 W
Inductance Measured at 1V with no DC current
Incremental Current The current at which the
inductance will decrease by a maximum of 5% from
its inductance at zero DC current.
Marking Military Part Number; MP1812 followed by
the dash number with tolerance letter; date code
(YYWWL).
Example: MILP1812-103K
M27/368-13
MP1812-103K
0905A
Packaging Tape & reel (12mm): 7" reel, 650 pieces
max.; 13" reel, 2500 pieces max.
Lead Finish Sn63Pb37
(Tin-Lead) Hot Solder Dipped
Made In the U.S.A.
55°C to +130°C
MA
ESIST
O
H
MS)
A
N
C
XIMU
C
E
0.113
0.199
0.222
0.240
0.268
0.288
0.323
0.347
0.401
0.437
0.472
0.548
0.608
0.670
0.780
0.875
1.200
1.404
1.578
1.848
2.064
2.268
3.408
3.648
4.320
6.000
6.432
8.400
9.680
12.720
15.240
D
U
0
% @ 1
MA
D
C
XIMU
C
T
A
N
C
k
H
R
M (
E (
µ
H
z
)
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
D
A
S
H
N
U
MB
-102K
-122K
-152K
-182K
-222K
-272K
-332K
-392K
-472K
-562K
-682K
-822K
-103K
-123K
-153K
-183K
-223K
-273K
-333K
-393K
-473K
-563K
-683K
-823K
-104K
-124K
-154K
-184K
-224K
-274K
-334K
MIL
E
R
*
IN
±
1
D
A
SH
M27/368 - SERIES MILP1812 FERRITE CORE
-01
-02
-03
-04
-05
-06
-07
-08
-09
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-28
-29
-30
-31
*Complete part # must include series # PLUS the dash #
C
R
M (
U
R
IN
EN
mA
R
EN
C
R
T
G
1050
1000
950
900
850
800
750
700
650
650
600
600
550
550
450
400
370
330
300
280
260
240
220
200
180
160
140
120
120
100
90
(
mA DC)
EMENTAL
2400
2158
1980
1828
1697
1513
1397
1250
1131
1060
990
871
772
752
693
614
515
465
425
376
366
336
297
267
238
208
183
158
143
129
118
T
R
AT
D
IN
C
)
R
U
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
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