RF INDUCTORS
2/ 2002
PAGE
24
www
.
delevan
.
com
E-mail: apisales@delevan.com
270 Quaker Rd., East Aurora NY 14052 Phone 716-652-3600 Fax 716-652-4814
SRF MINIMUM (MHz)
0.1
0.5
INDUCTANCE (
H)
% COUPLING
1.0
1.5
2.0
2.5
3.0
3.5
1.0
10
100
0
% COUPLING vs. INDUCTANCE
@ .060"
@ .040"
1000
DCR RESIST
ANCE
MAXIMUM (OHMS)
TEST FREQ
UENCY (MHz)
Q MINIMUM
INDUCT
ANCE
(H) 10%
PA
RT
NUMBER
CURRENT RA
TING
MAX. (mA)
Series S1812
Shielded Surface Mount Inductors
1490
1412
1347
1290
1154
1053
952
876
802
735
675
614
755
725
706
681
658
638
534
487
471
447
408
372
333
315
301
288
277
267
258
250
242
235
215
196
169
163
158
153
149
135
129
105
91
84
79
71
60
0.09
0.10
0.11
0.12
0.15
0.18
0.22
0.26
0.31
0.37
0.44
0.53
0.35
0.38
0.40
0.43
0.46
0.49
0.70
0.84
0.90
1.00
1.20
1.44
1.80
2.00
2.20
2.40
2.60
2.80
3.00
3.20
3.40
3.60
4.30
5.20
7.00
7.50
8.00
8.50
9.00
11.0
12.0
18.0
24.0
28.0
32.0
40.0
55.0
460
400
390
350
310
280
240
215
205
185
166
155
160
140
110
100
90
67
61
56
50
40
32
30
25
22
18
15
14
13
12
11
9.0
8.0
7.6
7.2
7.0
6.0
5.0
4.5
4.2
4.0
3.7
3.5
3.3
2.8
2.6
2.2
2.0
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
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
0.79
50
50
50
50
50
50
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
50
50
50
50
50
50
50
50
50
50
50
50
40
40
40
40
40
40
40
40
40
40
40
40
40
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
Physical Parameters
Inches
Millimeters
A
0.166 to 0.190
4.2 to 4.8
B
0.118 to 0.134
3.0 to 3.4
C
0.118 to 0.134
3.0 to 3.4
D
0.038 Min.
0.97 Min.
E
0.041 to 0.061
1.0 to 1.5
F
0.118 (Ref. only)
3.0 (Ref. only)
G
0.066 (Ref. only)
1.7 (Ref. only)
Dimensions "A" and "C" are over terminals
Weight Max. (Grams) 0.15
Operating Temperature Range 55C to +125C
Current Rating at 90C Ambient 35C Rise
Maximum Power Dissipation at 90C 0.278 W
Packaging Tape & reel (12mm): 7" reel, 650 pieces
max.; 13" reel, 2500 pieces max.
Made In the U.S.A.
Patent Protected
SERIES S1812 IRON CORE
S1812-101K
S1812-121K
S1812-151K
S1812-181K
S1812-221K
S1812-271K
S1812-331K
S1812-391K
S1812-471K
S1812-561K
S1812-681K
S1812-821K
SERIES S1812 FERRITE CORE
S1812-102K
S1812-122K
S1812-152K
S1812-182K
S1812-222K
S1812-272K
S1812-332K
S1812-392K
S1812-472K
S1812-562K
S1812-682K
S1812-822K
S1812-103K
S1812-123K
S1812-153K
S1812-183K
S1812-223K
S1812-273K
S1812-333K
S1812-393K
S1812-473K
S1812-563K
S1812-683K
S1812-823K
S1812-104K
S1812-124K
S1812-154K
S1812-184K
S1812-224K
S1812-274K
S1812-334K
S1812-394K
S1812-474K
S1812-564K
S1812-684K
S1812-824K
S1812-105K
Optional Tolerances:
J = 5%
H = 3%
G = 2%
F = 1%
For more detailed graphs, contact factory
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