PA
RT
Surface Mount Power Inductors
NU
MB
ER
Series P1812
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
–55°C to +125°C
Current Rating at 90°C Ambient
35°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 be decreased by a maximum of 5%
from its initial zero DC value.
Packaging
Tape & reel (16mm): 7" reel, 500 pieces
max.; 13" reel, 2200 pieces max.
Made In the U.S.A.
Patent Protected
P1812-102K
P1812-122K
P1812-152K
P1812-182K
P1812-222K
P1812-272K
P1812-332K
P1812-392K
P1812-472K
P1812-562K
P1812-682K
P1812-822K
P1812-103K
P1812-123K
P1812-153K
P1812-183K
P1812-223K
P1812-273K
P1812-333K
P1812-393K
P1812-473K
P1812-563K
P1812-683K
P1812-823K
P1812-104K
P1812-124K
P1812-154K
P1812-184K
P1812-224K
P1812-274K
P1812-334K
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
OPTIONAL TOLERANCES: J=5% H=3% G=2%
www
.
delevan
.
com
E-mail: apisales@delevan.com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
2/ 2002
IN
D
±1 UCT
0% A
@ NCE
1 K (µ
Hz H)
DC
MA RES
XI IST
MU A
M NC
(O E
HM
S)
CU
R
MA RE
X. NT
(m RA
A TI
DC NG
)
IN
CR
CU EM
RR EN
EN TA
T L
(m
A
DC
)
SERIES P1812
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
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
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
POWER INDUCTORS
PAGE
64
API [ API Delevan ]
