www.fastrongroup.com
Engineer’s Kit : EK-1812AF-X
3.80 max
3.65 max
1.14
3.05
1812 AF
0.55
4.90 max
3.20
4.30
Chip Inductors for RF Applications
(Wire wound -open)
1.14
0.55
Epoxy
flat top
3.0
Irms derating
120
110
100
90
80
70
60
50
40
30
20
10
0
-40
2.50
0.10~0.40
2.00 Ref
recommended layout
for solder pads
Percentage of rated Irms
Part No
1812AF-3R9K-YY
1812AF-100K-YY
1812AF-120K-YY
1812AF-150K-YY
1812AF-180K-YY
1812AF-220K-YY
1812AF-270K-YY
1812AF-330K-YY
1812AF-390K-YY
1812AF-470K-YY
1812AF-560K-YY
1812AF-680K-YY
1812AF-820K-YY
1812AF-101K-YY
1812AF-121K-YY
1812AF-151K-YY
1812AF-181K-YY
1812AF-221K-YY
1812AF-271K-YY
1812AF-331K-YY
1812AF-391K-YY
1812AF-471K-YY
1812AF-561K-YY
1812AF-681K-YY
1812AF-821K-YY
1812AF-102K-YY
1812AF-122K-YY
1812AF-222K-YY
Inductance
L (µH)
3.9
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
1200
2200
f
L
(MHz)
2.5
2.5
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
0.252
0.252
Tol
± (%)
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
Q
min
30
42
42
42
45
45
45
45
45
42
42
40
40
40
33
36
36
38
38
38
38
33
33
27
27
26
18
18
f
Q
(MHz)
SRF
(MHz)
DCR
max
(Ω)
0.59
1.8
2.0
2.5
2.8
3.2
3.6
4.0
4.5
5.0
5.5
6.0
7.0
8.0
11.5
13.0
14.2
16.2
20.5
22.5
24.5
26.5
28.5
38.0
41.0
44.0
60.0
84.0
Rated DC
Current
(mA)
410
310
310
290
270
260
240
230
210
200
190
180
170
150
135
125
120
115
105
100
90
85
75
60
55
50
42
32
25°C
-20
0
20
40
60
80
100 120
Ambient temperature (°C)
Current carrying capacity dependent on the ambient
temperature
10000
Typical Ls vs Frequency (ƒ)
2200
µH
1000
µH
220
µH
120
µH
22
µH
Inductance (µH)
1000
100
10
12
µH
1
0.1
1
10
Frequency (MHz)
100
80
70
60
Q Factor
50
40
30
20
10
0
Typical Q vs Frequency (ƒ)
22
µH
12
µH
220
µH
1000
µH
2200
µH
0.1
1
10
Frequency (MHz)
100
120
µH
2.5 145 min
23 typ
2.5
40 typ
2.5
40 typ
2.5
40 typ
2.5
40 typ
2.5
36 typ
2.5
34 typ
2.5
32 typ
2.5
30 typ
2.5
27 typ
2.5
23 typ
2.5
19 typ
2.5
13 typ
2.5
11 typ
0.79
10 typ
0.79
0.79 9.0 typ
0.79 6.0 typ
0.79 4.5 typ
0.79 3.5 typ
0.79 3.0 typ
0.79 2.1 typ
0.79 2.0 typ
0.79 1.8 typ
0.79 1.7 typ
0.79 1.6 typ
0.252 0.8 typ
0.252 0.62 typ
Core Material :
Ceramic & Ferrite
SPQ :
Taped / Reel 600 [-01]
2200 [-04]
Revision date : 23 Jul 2015
Remarks:
- For not listed inductance values please check availability with us.
- 2% and 5% tolerance available on request.
100000
10000
1000
100
10
Typical Ls vs Current (I)
2200
µH
Inductance (µH)
1000
µH
220
µH
120
µH
22
µH
12
µH
0.1
1
10
1
0.01
Current (A)
•
All dimensions in mm
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