Frontier Electronics Corp.
685 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998 FAX: (805) 522-9989
E-mail: frontiersales@frontierusa.com
Web: frontierusa.com
SMD Molded Wire Wound Ferrite Chip Inductors—
1812F series
A. Electrical specifications:
Part
No.
1812F-R10M
1812F-R12M
1812F-R15M
1812F-R18M
1812F-R22M
1812F-R27M
1812F-R33M
1812F-R39M
1812F-R47M
1812F-R56M
1812F-R68M
1812F-R82M
1812F-1R0K
1812F-1R2K
1812F-1R5K
1812F-1R8K
1812F-2R2K
1812F-2R7K
1812F-3R3K
1812F-3R9K
1812F-4R7K
1812F-5R6K
1812F-6R8K
1812F-8R2K
1812F-100K
1812F-120K
1812F-150K
1812F-180K
1812F-220K
1812F-270K
1812F-330K
1812F-390K
1812F-470K
1812F-560K
1812F-680K
1812F-820K
1812F-101K
1812F-121K
1812F-151K
1812F-181K
1812F-221K
1812F-271K
1812F-331K
1812F-391K
1812F-471K
1812F-561K
1812F-681K
1812F-821K
1812F-102K
L
(uH)
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.00
1.20
1.50
1.80
2.20
2.70
3.30
3.90
4.70
5.60
6.80
8.20
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100
120
150
180
220
270
330
390
470
560
680
820
1000
Tolerance
M, K
M, K
M, K
M, K
M, K
M, K
M, K
M, K
M, K
M, K
M, K
M, K
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
Q
(min.)
35
35
35
35
40
40
40
40
40
40
40
40
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
40
30
30
30
20
TEST FREQ.
(MHz)
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
SRF (min.)
(MHz)
300
280
250
220
200
180
165
150
145
140
135
130
100
80
70
60
55
50
45
40
35
33
27
25
20
18
17
15
13
12
11
10
10
9.0
9.0
8.0
8.0
6.0
5.0
5.0
4.0
4.0
3.5
3.0
3.0
3.0
3.0
2.5
2.5
DCR
Ω
(Max)
0.18
0.20
0.22
0.24
0.25
0.26
0.28
0.30
0.32
0.36
0.40
0.45
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
8.00
9.00
9.50
10.00
12.00
14.00
18.00
26.00
30.00
30.00
35.00
40.00
I dc
(mA)
800
770
730
700
665
635
605
575
545
520
500
475
450
430
410
390
380
370
355
330
315
300
285
270
250
225
200
190
180
170
160
150
140
135
130
120
110
110
105
102
100
92
85
80
62
50
50
30
30
SMD Molded wire wound Ferrite Chip Inductor: P/N 1812F-series
Mar. 01, 2002. Page: 1 of 2
Frontier Electronics Corp.
685 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998 FAX: (805) 522-9989
E-mail: frontiersales@frontierusa.com
Web: frontierusa.com
SMD Molded Wire Wound Ferrite Chip Inductors—
1812F series
B. Dimensions: (Unit: mm)
SERIES
1812F
A (Max.)
5.0
B (Max.)
3.80
C (Max.)
2.9
D (Max.)
3.6
E
0.6
C. Mechanical Drawing:
D. Color coding:
1.
2.
3.
These parts are marked with 3 color dots. The table at below shows the significance of each color.
Dots 1 and 2 indicate the inductance in nano-Henries.
Dots 3 indicate number of zeroes to be added.
2nd: inductance
1st : Inductance
3rd Multiplier
0 = Black
1 =
Brown
2 =
Red
3 =
Orange
4 =
Yellow
5=Green
6=Blue
7 =
Violet
8 =
Gray
9 =
White
Color code table
Top view
E.
General information:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
Tolerance: K:
±10%,
J:±5%.
Operating temperature: -40°C TO +125°C.
Electrical specifications at 25°C.
For 15°C Temperature Rise.
Small and light weight surface mounting type.
Coil body made of ferrite material in chip form.
High Q at high frequency.
High self-resonance frequency.
Inductance & Q measured using the HP4291B.
SRF measured using the HP8720D or HP8753E.
Rdc measured using the 502BC.
Applicable to 252KHz~25.2MHz.
Inductance & current Range: From 0.1uH (800mA) to 1000uH (30mA).
F.
Applications:
â
Pagers.
â
Mobile communication units.
â
Portable telephone.
â
Hybrid.
.
Special specifications are available for customer’s requirement.
SMD Molded wire wound Ferrite Chip Inductor: P/N 1812F-series
Mar. 01, 2002. Page: 2 of 2
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