
1812R
SERIES
Unshielded Surface Mount Inductors
Ph
ysi
cal
P
ar
amet
I
nc
hes
A
0.
166
B
0.
118
C
0.
118
D
0.
015
E
0.
054
F
0.
118
G
0.
066
D
imens
ions
“
A”
and
O
per
at
i
ng
T
emper
C
ur
r
ent
R
at
i
ng
at
Maxi
m
um
Pow
er
I
r
on
and
Fer
rit
e:
0.
Phenolic
*
c
Mar
dat
indic
Exa
Pa
13
Made In the U.S.A.
:
0.
210 W
N
ot
e
Self
R
es
onant
alc
ulat
ed
and
for
ki
ng API
/
SMD
e
c
ode
(
YYWWL)
at
es
a
R
oH
S
mp
le
: 1
8
1
2
R
API/SMD
1mH
±5%
R
0
6
29
ck
aging T
"
ree
l, 25
00
a
p
e & ree
pie
Optional Tolerances: J = 5% H = 3% G = 2% F = 1%
*Complete part # must include series # PLUS the dash #
For surface finish information,
refer to www.delevanfinishes.com
er
s
t
o
0.
190
t
o
0.
134
t
o
0.
134
Min.
t
o
0.
078
(
R
ef.
only
(
R
ef.
only
“
C
”
at
ur
e
90°
C
D
i
ssi
278 W
F
r
efer
enc
;
induc
.
N
ot
c
omponent
1
0
5
J
A
l (1
ces ma
1812
)
)
ar
e
o
v
R
ange
A
mbi
pat
i
on
r
equenc
e
only
t
anc
e
e:
An
.
2mm): 7"
x.
Millimet
4.
22
3.
00
3.
00
0.
38
1.
37
3.
00
1.
68
er
t
er
–55°
ent
at
90°
y
(
SR
.
w
it
h
R
befor
t
o
t
o
t
o
Min.
t
o
(
R
(
R
minals
C
35°
C
C
F)
unit
e
re
el, 6
Actual Size
er
s
4.
83
3.
40
3.
40
1.
98
ef.
only
ef.
only
t
o
+
R
is
e
v
alues
s
and
t
he
dat
5
0
)
)
125°
t
p
ie
ar
oleranc
e
C
e
c
ode
ces max.;
T
EST
IN
D
A
S
e;
D
U
C
U
M
B
E
R
*
-100M
-120M
-150M
-180M
-220M
-270M
-330M
-390M
-470M
-560M
-680M
-820M
-101K
-121K
-151K
-181K
-221K
-271K
-331K
-391K
-471K
-561K
-681K
-821K
-102J
-122J
-152J
-182J
-222J
-272J
-332J
-392J
-472J
-562J
-682J
-822J
-103J
-123J
-153J
-183J
-223J
-273J
-333J
-393J
-473J
-563J
-683J
-823J
-104J
-124J
-154J
-184J
-224J
-274J
-334J
-394J
-474J
-564J
-684J
-824J
-105J
T
A
H
N
N
C
E (µ
0.010
0.012
0.015
0.018
0.022
0.027
0.033
0.039
0.047
0.056
0.068
0.082
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
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
390
470
560
680
820
1000
T
O
L
ER
H
)
F
Q
MIN
A
IMU
N
C
E
SERIES 1812 PHENOLIC CORE
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
SERIES 1812 IRON CORE
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
SERIES 1812 FERRITE CORE
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
SR
R
EQ
U
EN
C
Y (MH
M
40
40
40
40
40
40
40
30
30
30
25
25
30
30
30
30
30
30
30
30
30
30
30
30
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
40
40
40
40
40
40
40
40
30
30
30
30
F
MIN
z)
IMU
M (MH
50
50
50
50
50
50
50
50
50
50
50
50
25
25
25
25
25
25
25
25
25
25
25
25
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
MA
XIMU
z
)*
1000*
1000*
1000*
1000*
1000*
1000*
1000*
1000*
1000*
850*
750*
750*
650
600
500
400
350
300
250
220
190
170
150
140
100
80
70
60
55
50
45
40
35
33
27
25
20
18
17
15
13
12
11
10
10
9
9
8
8
6
6
5
4
4
3.5
3.0
3.0
3.0
3.0
2.5
2.5
D
C
R
M (O
CURRENT RATING
MAXIMUM (mA)
ESISTANCE
H
M
S)
0.10
0.10
0.10
0.10
0.10
0.15
0.15
0.20
0.20
0.25
0.25
0.25
0.30
0.30
0.30
0.35
0.40
0.45
0.55
0.70
0.80
1.20
1.40
1.60
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.90
1.00
1.10
1.20
1.40
1.60
2.00
2.50
2.80
3.20
3.60
4.00
4.50
5.00
5.50
6.00
7.00
8.00
8.0
9.0
9.5
10.0
12.0
14.0
20.0
26.0
30.0
30.0
45.0
60.0
RF Inductors
1230
1230
1230
1230
1230
1000
1000
870
870
770
770
700
818
818
818
757
708
668
604
535
501
409
379
354
634
604
578
556
535
517
501
472
448
427
409
375
354
317
283
268
250
236
224
211
200
191
183
169
158
158
149
145
142
129
120
100
88
82
82
67
55
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
1/2009