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