Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998 FAX: (805) 522-9989
E-mail: frontiersales@frontierusa.com
Web:
http://www.frontierusa.com
SMD Square Drum Ferrite-core Inductors—
1210SDF series
A. Electrical specifications:
Part No.
1210SDF-1R0
1210SDF-2R2
1210SDF-4R7
1210SDF-100
1210SDF-150
1210SDF-220
1210SDF-470
1210SDF-101
1210SDF-221
1210SDF-331
1210SDF-391
1210SDF-471
1210SDF-561
Mark
1R0
2R2
4R7
100
150
220
470
101
221
331
391
471
561
L (uH)
1.0
2.2
4.7
10
15
22
47
100
220
330
390
470
560
Tolerance
M
M
M, K
M, K
M, K
M, K
K, J
K, J
K, J
K, J
K, J
K, J
K, J
Test Freq.
(@ 0.1V rms.)
SRF Min
(MHz)
DCR Max.
(Ω)
IDC Max.
(mA)
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
180.0
170.0
98.0
77.0
64.0
32.0
24.0
18.0
11.0
10.5
9.0
7.5
5.5
0.078
0.126
0.195
0.572
0.754
0.923
2.20
4.55
10.92
13.00
22.10
24.70
28.60
1000
790
650
450
300
250
170
100
70
60
60
60
60
B. Mechanical dimensions: (Unit: mm)
SERIES
1210SDF
A
3.2 ± 0.30
B
2.5 ± 0.20
C
2.0 ± 0.25
D
1.3 ± 0.20
E
0.9 ± 0.30
F
2.3 Ref.
Type
2
Type 2
C. Feature:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Tolerance: J = ± 5%, K = ± 10%, M = ± 20%.
Operating temperature: -25ºC TO +85ºC.
Electrical specifications at +25ºC.
Inductance measured on the HP4284A LCR meter.
DCR measured on the 502BC milli-ohm meter.
Inductance drops no more than 10% at rated I sat.
Temperature rises
Δ
t < 15ºC (Typical) at rated I rms.
Suitable for IR re-flows soldering.
Tape and reel packing.
10. Murata P/N LQH32CN_53 series compatible.
11.
RoHS
compliant.
D. Applications:
Power supply line choke.
DC-DC Converters.
Notebooks.
Filters.
Telecommunications devices.
Special specifications are available for customer’s requirement.
SMD Power Choke: P/N 1210SDF series
Rev. A
Jan. 01, 2006. Page: 1 of 1
stm32/stm8
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