SERIES SP1812 FERRITE CORE
1.00
0.081
1580
1.20
0.088
1510
1.50
0.098
1430
1.80
0.11
1360
2.20
0.15
1170
2.70
0.16
1110
3.30
0.18
1060
3.90
0.20
1000
4.70
0.21
969
5.60
0.24
920
6.80
0.26
878
8.20
0.28
842
10.0
0.31
802
12.0
0.34
767
15.0
0.49
640
18.0
0.68
613
22.0
0.75
509
27.0
1.0
430
33.0
1.2
408
39.0
1.6
354
47.0
1.8
335
56.0
1.9
323
68.0
2.7
275
82.0
2.9
262
100
3.2
250
120
4.6
210
150
5.1
198
180
6.7
172
220
7.5
164
270
9.8
143
330
10.9
136
s
or
ct
du
In
-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
er
w
Po
Physical Parameters
Inches
Millimeters
A
0.166 to 0.190
4.22 to 4.83
B
0.118 to 1.34
3.00 to 3.40
C
0.118 to 1.34
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.
L
TA
EN C)
EM A D
CR m
IN NT (
E
RR
CU
NG
TI )
RA C
T D
EN (mA
RR M
CU MU
XI
MA
CE
AN )
ST S
SI HM
RE M (O
DC MU
XI
MA
H)
(µ
CE kHz
AN 1
CT @
DU 0%
IN ±1
Actual Size
R*
Shielded Surface Mount Power Inductors
E
MB
NU
SP1812R
SP1812
SH
DA
SERIES
2060
1890
1690
1540
1390
1270
1150
1000
959
866
789
724
657
602
530
486
438
400
359
332
296
275
250
228
206
188
168
154
139
125
113
Operating Temperature Range –55°C to +125°C
Current Rating at 90°C Ambient 35°C Rise
Maximum Power Dissipation at 90°C 0.287 W
Optional Tolerances: J = 5% H = 3% G = 2%
*Complete part # must include series # PLUS the dash #
Inductance Measured at 1V with no DC current
Incremental Current The current at which the
inductance will be decreased by a maximum of 10% from
its initial DC value
Marking Delevan; dash number followed by SP; date code
(YYWWL). Note: An R before the date code indicates a
RoHS component.
Example: SP1812R-182K
DELEVAN
182 SP
R 1804A
Packaging Tape & reel (12mm): 7" reel, 650 pieces max.;
13" reel, 2500 pieces max.
Coupling 5% Typical (Ref. M83446, 1mm spacing)
Made In the U.S.A.
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
8/2021
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