PA
RT
Unshielded Surface Mount Inductors
NU
MB
ER
1812-100M
1812-120M
1812-150M
1812-180M
1812-220M
1812-270M
1812-330M
1812-390M
1812-470M
1812-560M
1812-680M
1812-820M
1812-101K
1812-121K
1812-151K
1812-181K
1812-221K
1812-271K
1812-331K
1812-391K
1812-471K
1812-561K
1812-681K
1812-821K
1812-102J
1812-122J
1812-152J
1812-182J
1812-222J
1812-272J
1812-332J
1812-392J
1812-472J
1812-562J
1812-682J
1812-822J
1812-103J
1812-123J
1812-153J
1812-183J
1812-223J
1812-273J
1812-333J
1812-393J
1812-473J
1812-563J
1812-683J
1812-823J
1812-104J
1812-124J
1812-154J
1812-184J
1812-224J
1812-274J
1812-334J
1812-394J
1812-474J
1812-564J
1812-684J
1812-824J
1812-105J
Series 1812
SERIES 1812 PHENOLIC CORE
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
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±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%
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
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
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
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
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
IN
DU
CT
AN
CE
(µ
TO
H)
LE
RA
NC
Q
E
MI
NI
MU
M
TE
ST
FR
EQ
UE
SR
NC
F
Y
MI
(M
NI
Hz
MU
)
DC
M
(M
RE
MA S
Hz
XI IST
)
MU A
*
NC
CU M
(O E
R
HM
MA RE
S
X. NT
(m RA )
A) TI
NG
RF INDUCTORS
SERIES 1812 IRON CORE
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
Iron and Ferrite: 0.278 W
Phenolic: 0.210 W
Self Resonant Frequency (SRF) values are
calculated and for reference only.
Packaging
Tape & reel (12mm): 7" reel, 650 pieces
max.; 13" reel, 2500 pieces max.
Made In the U.S.A.
Patent Protected
SERIES 1812 FERRITE CORE
*
Note
Optional Tolerances: K = 10% J = 5% H = 3% G = 2% F = 1%
www
.
delevan
.
com
E-mail: apisales@delevan.com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
11/2002
PAGE
22
Series 1812
Performance Graphs
100K
IMPEDANCE vs. FREQUENCY
1812-104J
10
INDUCTANCE CHANGE vs. TEMPERATURE
1812-103J
(10µH)
1812-564J
(560µH)
RF INDUCTORS
% CHANGE IN L
5
0
–5
IMPEDANCE (Ohms)
10K
1812-564J
1812-103J
1812-102J
(1.0µH)
1812-104J 1812-471K
(100µH)
(0.47µH)
1812-102J
1K
–10
–40
[–40]
–20
[–4]
0
[32]
20
[68]
40
60
80
100 120
[104] [140] [176] [212] [248]
TEMPERATURE
°C
[°F]
100
100
1
10
100
1000
80
Q vs. FREQUENCY
1.0µH
FREQUENCY (MHz)
Q FACTOR
For more detailed graphs, contact factory
39µH
10µH
3.9µH
60
100µH
0.47µH 0.1µH
10K
IMPEDANCE vs. FREQUENCY
40
470µH
20
0.1
1.0
10
100
IMPEDANCE (Ohms)
FREQUENCY (MHz)
1K
1000
1812-471K
INDUCTANCE vs. FREQUENCY
1812-104J
INDUCTANCE (Microhenries)
100
100
1812-103J
1812-101K
10
1
10
100
1000
10
1812-102J
1812-101K
1.0
FREQUENCY (MHz)
0.10
1
10
100
1000
FREQUENCY (MHz)
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
PAGE
23
Microchip MCU
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